2017 MERCEDES-BENZ GLC300

12 recalls — 135 complaints — 130 TSBs

STRUCTURE:BODY:ROOF AND PILLARS

Defect Description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles. Please refer to MBUSA's recall report for specific vehicle details. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to t... Read more

Consequence

A detached roof panel can become a road hazard, increasing the risk of a crash.

Remedy

Dealers will replace the front panel, free of charge. Owner notification letters were mailed on August 2, 2024. Owner notification letters will be mailed in phases, on, March 22,2024, and August 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of N... Read more

2,976 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC

STRUCTURE:BODY:ROOF AND PILLARS

Defect Description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300, 2017-2019 GLC43 AMG, GLE43 Coupe AMG, 2014-2019 C... Read more

Consequence

The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.

Remedy

Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021. Owners may contac... Read more

15,096 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC

COMMUNICATION

Defect Description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2019 C300, E300, 2018-2020 CLA250, 2020 CLS450, AMG E53, AMG GT53, GLE450, 2018 AMG E63, AMG GTA, 2017-2020 GLA250, GLC300, 2019 GLC350, AMG GLC43, 2017-2018 GLE350, 2019 AMG GLC 43, GLC350, GLE400, 2017 GLS450, S550, C300 Cabrio, and 2018-201... Read more

Consequence

A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.

Remedy

MBUSA will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began March 31, 2021. Letters for the owners of the 9 additional vehicles were mailed July 9, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. M... Read more

67 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC

ELECTRICAL SYSTEM:SOFTWARE

Defect Description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle mod... Read more

Consequence

Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.

Remedy

MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.

1,292,258 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC

STRUCTURE:BODY:ROOF AND PILLARS

Defect Description

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2016-2018 Mercedes-Benz GLC300 and GLC300 4Matic, 2018 GLC350e and GLC63 AMG 4Matic and 2017-2018 GLC43 AMG 4Matic vehicles. The seat belt latch plates (the parts that insert into the buckles) for the outboard rear seats may retract into the inte... Read more

Consequence

If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.

Remedy

MBUSA will notify owners, and dealers will install felt strips between the C-pillar and rear side paneling, free of charge. The recall began November 2, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018100002.

4,702 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC.

STRUCTURE:BODY:ROOF AND PILLARS

Defect Description

Mercedes Benz USA LLC (MBUSA) is recalling certain 2017-2018 GLC43 AMG, 2016-2018 GLC300 4Matic, 2016-2018 GLC300, 2018 GLC63 AMG 4Matic, and 2018 GLC350e 4Matic vehicles. The seat belt latch plates (the parts that insert into the buckles) for the outboard rear seats may retract into the interior p... Read more

Consequence

If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.

Remedy

MBUSA will notify owners, and dealers will install a buffer to the c-pillar paneling, free of charge. The recall is expected to begin May 14, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018030012.

121,858 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC.

EXTERIOR LIGHTING:HEADLIGHTS

Defect Description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016-2017 GLC300, GLC300 4MATIC and GLC43 4MATIC vehicles. These vehicles may have misadjusted headlights, possibly resulting in the low beam headlights insufficiently illuminating the roadway. As such, these vehicles fail to comply with the requ... Read more

Consequence

An insufficiently illuminated roadway may increase the risk of a crash.

Remedy

MBUSA will notify owners, and dealers will inspect the headlamp adjustment, adjusting it as necessary, free of charge. The recall began on January 12, 2018. Owners may contact MBUSA customer service at 1-877-496-3691.

8,134 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC.

VISIBILITY:SUN/MOON ROOF ASSEMBLY

Defect Description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2018 GLC300, GLC300 4Matic, and GLC43 AMG vehicles. The fixed panoramic sun roof frontal and side plastic panels may have insufficient bonding, allowing the panels to separate during vehicle operation.

Consequence

If the sun roof panels detach from the vehicle, it can increase the risk of a crash or injury for following traffic.

Remedy

MBUSA will notify owners, and dealers will inspect the bonding on the sun roof panels, correcting it as necessary, free of charge. The recall is expected to begin December 2017. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2017110009.

9,379 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC.

AIR BAGS:FRONTAL

Defect Description

Mercedes-Benz USA, LLC. (MBUSA) is recalling these vehicles: 2014-2018 CLA250, CLA250 4Matic, CLA45 AMG 4Matic, 2015-2018 GLA250, GLA250 4Matic, GLA45 AMG 4Matic, C300 4Matic, C63S AMG, 2012-2014 C250, C350, C300 4Matic, E550 4Matic, 2013-2014 C63 AMG, 2012-2015 C250 Coupe, C350 Coupe, C63 AMG Coupe... Read more

Consequence

If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.

Remedy

MBUSA will notify owners, and dealers will add sufficient grounding to the steering components, free of charge. The recall began in December 6, 2017. Owners may contact MBUSA customer service at 1-877-496-3691.

495,290 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC.

STEERING:ELECTRIC POWER ASSIST SYSTEM

Defect Description

Mercedes-Benz USA, LLC. (MBUSA) is recalling one 2017 C43 AMG, one E300 4Matic sedan, one GLC300, and one E43 AMG 4Matic sedan. These vehicles have electrical power steering control units with improperly welded contact pins.

Consequence

The improperly welded pins may lose contact, deactivating the power steering assist and increasing the risk of a crash.

Remedy

MBUSA will notify owners, and dealers will replace the electric power steering rack, free of charge. The recall is expected to begin November 10, 2017. Owners may contact MBUSA customer service at 1-877-496-3691.

4 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC.

SEAT BELTS:PRETENSIONER

Defect Description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 C300, C300 4Matic, C300 Coupe, C300 Coupe 4Matic, C43 AMG, C43 AMG Coupe, C43 AMG Cabrio, C63 AMG, C63 AMG Coupe, C63S AMG, C63S AMG Coupe, C63S Cabrio, GLC300, GLC300 4Matic, GLC43 AMG, S550, S550 4Matic, S550e, S600, S63 AMG 4Matic, S65, Mer... Read more

Consequence

If the front seat seatbelt pretensioners do not function properly, the seat occupants may not be adequately restrained in the event of a crash, increasing the risk of injury.

Remedy

MBUSA will notify owners, and dealers will replace the front seat belts, free of charge. The recall began October 13, 2017. Owners may contact MBUSA customer service at 1-800-367-6372.

12,743 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC.

ENGINE AND ENGINE COOLING:ENGINE

Defect Description

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2015-2017 C300 4Matic, C300, CLA250, CLA250 4Matic and CLA45 AMG vehicles, 2017 C300 4Matic Cabrio, C300 4Matic Coupe, C300 Cabrio, C300 Coupe, E300, E300 4Matic, E400 4Matic Wagon, E43 AMG 4Matic, GLA250, GLA250 4Matic and GLC300 4Matic Coupe veh... Read more

Consequence

If the starting current limiter overheats, the surrounding components can melt, increasing the risk of a fire.

Remedy

MBUSA will notify owners, and dealers will install an additional fuse in the electrical line to the starter, free of charge. The recall began August 31, 2017. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2017080002.

307,629 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC.

Complaint Statistics

135 total complaints 8 crashes 3 fires 6 injuries

Top Reported Components

Component	Complaints
ENGINE	29
POWER TRAIN	12
ELECTRICAL SYSTEM	12
FUEL/PROPULSION SYSTEM	11
UNKNOWN OR OTHER	10
AIR BAGS	9
STEERING	8
SERVICE BRAKES	7
STRUCTURE:BODY	4
SEAT BELTS	4

Incident date: Feb 5, 2026

My premium plug-in hybrid SUV (RAV4 Prime XSE) has been continuously grounded at my local authorized Toyota Service Center since December 29, 2025, due to Safety Recall 25TA08 (NHTSA Campaign 25V-595). The 12.3-inch digital instrument panel in my vehicle had failed completely, removing access to the... Read more

Incident date: Nov 3, 2025

The contact owns a 2017 Mercedes-Benz GLC300. The contact stated while driving at an undisclosed speed, the messages "Driver’s Air Bag Malfunction - Service Required" and "Collision Prevention Assist Unavailable" were displayed. The vehicle was taken to an independent mechanic who diagnosed and de... Read more

Incident date: Nov 3, 2025

While driving on a highway, the vehicle intermittently suffers a sudden loss of engine power during acceleration, accompanied by a flashing check engine light. The most serious event occurred while merging into traffic when the vehicle failed to accelerate normally and briefly lost power, creating a... Read more

Incident date: Dec 15, 2025

The front cab over is getting loose and separating worried it will fall off, have huge water leak coming into the cab from the top through auxiliary buttons and driver side. Have been reading forums and lots of people have the same issues this is very concerning that it's not being taken seriously.

Incident date: Nov 15, 2024

I was driving and my car has a certain jerking motion to it, as I tried to break and accelerate the car wasn’t able to stop or move properly. As a result I rear ended the car in front of me. In addition to that my airbag wouldn’t go off after the accident so it seems like there was a malfunction... Read more

Crash

Incident date: Jun 27, 2025

The contact owns a 2019 Honda CR-V. The contact stated that the tire pressure warning light was illuminated. The contact had taken the vehicle to a dealer to have the tires checked and was advised that both rear tires had abnormal wear on the inside treads. The contact had the tires replaced; howeve... Read more

Incident date: Jun 28, 2025

As I was attempting to merge onto Interstate 75, I noticed that steering became unexpectedly difficult. Consequently, I decided not to enter the highway. I then crossed the highway and pulled into a parking lot, where I turned off the vehicle. Upon restarting the vehicle, the issue seemed to have re... Read more

Incident date: Jun 28, 2025

Steering gear in rack in pinion grinding and felt like car stalled and steering went hard..no warnings or indications prior to..67,000 miles on Car …now there is a continuous grinding sound coming from steering wheel and Ford had a recall on 2014 Fusion but my car doesn’t show any …afraid stee... Read more

Incident date: May 31, 2023

Driving at highway speed (70 mph) the vehicle repeatedly has flashed a warning : Stop Safely Vehicle Will Shut Off Soon The engine cuts power and the vehicle must be pulled over and turned off and cannot keep driving. It leads to very unsafe conditions at highway speed. The vehicle was repaired ... Read more

Incident date: Jun 10, 2025

Component: Power Transfer Unit (PTU) [XXX] , but my VIN is not included. The power transfer unit has failed. This appears to be a manufacturing defect identical to those listed under the recall. I am requesting immediate inclusion and repair under the recall provisions.”2. Contact Jeep (Stellantis... Read more

Incident date: Jun 10, 2025

I am writing to report a persistent powertrain issue with my 2016 Honda Pilot, specifically regarding hard shifting between first and second gear when accelerating from a stop. Honda has acknowledged this issue and released an ECU software update intended to resolve it; however, in my case, as well ... Read more

Incident date: Jun 10, 2025

Vehicle has previous recalls done and still has the same issues with recall. Srs code no air bag will deploy. Dealer ship refused to service vehicle due to miscommunication and I'm driving a defective vehicle without an airbag which could lead to a bad accident waiting to happened. I will like to fi... Read more

Incident date: Mar 1, 2025

No incident my vehicle has a front left malfunction service required light and issues with the passenger seatbelt not proper latching. Upon checking I notice my car had previous recalls done. It seems as if the same issues has come about. NHTSA: 18v177- seat belt not retracting properly. NHTSA: 17V... Read more

Incident date: Mar 1, 2025

I was driving close to a vehicle and brake sensor came on when I got too close. I was braking before sensor initiated and after the sensor appeared my brakes no longer were stiff and I heard rattling from brakes and felt loose/unable to brake properly. This has happened twice since the first inciden... Read more

Incident date: Mar 1, 2025

Incident date: May 30, 2025

The contact owns a 2017 Ford Fusion. The contact stated while driving 30 MPH, the vehicle lost motive power. The vehicle was towed to a dealer however, the vehicle was not diagnosed. The vehicle was then towed to an independent mechanic and the contact was informed that the failure might be associat... Read more

Incident date: Sep 15, 2024

The contact's sister owns a 2020 Cadillac CT5. The contact stated that while his sister was driving at an undisclosed speed, the rear wheels locked up. The driver was able to pull over to the side of the road. The vehicle was towed to the dealer, where it was diagnosed and determined that the rear w... Read more

Incident date: Sep 15, 2024

The contact's friend owns a 2024 Grand Design Momentum Recreational trailer equipped with an Insignia gas range stove, Model Number: NS-RNG24SS9. The contact stated that after lighting the pilot light inside the oven, the contact closed the oven door and turned the oven knob. The contact stated that... Read more

Incident date: Mar 24, 2025

The contact owns a 2024 Ford Bronco Sport. The contact stated that while driving 75 MPH, the vehicle started to lose power. The WRENCH symbol warning light was illuminated with a message of a failure with the power train displayed. The vehicle was taken to a dealer however, the dealer was unable to ... Read more

Incident date: Mar 24, 2025

2107 Santa fe ultimate engine went to limp mode. I have 92k miles. The Vin shows no recalls. The warranty says 1st buyer. I am 2nd buyer, bought at 33k miles. I need help!!! There is no reason other than defect that my engine should have gone out! I've read plenty of things. Excessive oil consumpt... Read more

Incident date: Mar 18, 2025

3 weeks after picking up our Kia EV9, I noticed a thunking sound from the passenger side front tire. When we reached home, we opened the car cover and noticed that the lug nut had come off and was rattling behind the cover. We called the dealership and the asked us to bring the car in. Since we did... Read more

Incident date: Jan 22, 2023

When turning the wheel there is Clicking sounds from the front axle, turning 90 degrees right or left. Dealer has been informed and said it sounds like an axle issue and that others have complained about this. Started almost immediately after taking delivery. Also rear camera failed after 1 hour ... Read more

Incident date: Dec 18, 2024

Tesla has told me the AP4 computer has failed in my car which has resulted in them having to replace it. I had this issue start right around December 7, 2024. I scheduled the soonest appointment available for December 24, 2024 however Tesla contacted me and moved my appointment because they stated t... Read more

Incident date: Oct 21, 2024

The contact owns a 2017 Mercedes-Benz GLC300. The contact stated while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken back to the dealer and the contact was informed that the vehicle was repaired. The contact stated that the dealer had only reset t... Read more

Incident date: Oct 21, 2024

The contact owns a 2008 Toyota Prius. The contact stated while driving at various speeds, the instrument panel went blank. The contact stated that the failure was intermittent at first but had become a permanent failure. The vehicle was taken to the dealer and the contact was referred to the manufac... Read more

Incident date: Oct 21, 2024

The contact owns a 2019 Honda Ridgeline. The contact stated while driving at an undisclosed speed, the vehicle stalled with several unknown warning lights illuminated. The vehicle was restarted; however, the failure recurred. The contact was able to inspect the vehicle with a scanner and received DT... Read more

Incident date: Dec 16, 2023

The contact owns a 2012 Jeep Wrangler. The contact stated that while operating the vehicle the ABS, Traction Control and check engine warning lights had remained illuminated. The contact indicated that while pressing the brake pedal to stop, the brake pedal extended to the floor causing the braking ... Read more

Incident date: Dec 16, 2023

Incident date: Aug 2, 2024

On going issue since 2016 with the failure of the rubber coupling in the motor driven power steering (MDPS) assembly. Loose steering, knocking noise, worsening overtime. Known issue with the Hyundai Elantra and recall issued for the same part and issue on the Elantra. But not for the Veloster, servi... Read more

Incident date: Jan 24, 2024

On [XXX], I purchased 2 Brand New Tires for my vehicle from (Howie's Tires (No. Miami Fl) This company is a DBA Walter James Investments LLC These tires was to be placed on the rear and moved the rear tire (Mercedes) to the front On [XXX], the passenger front tire (Mercedes) blow out due to a nail... Read more

Incident date: Jun 21, 2024

The contact owns a 2015 Nissan Versa. The contact stated that the vehicle was previously taken to the dealer, where the fuel pump assembly, the lower control arm, and the electronic parking switch were replaced. Additionally, the contact stated while starting the vehicle, the vehicle made an abnorma... Read more

Incident date: Jun 8, 2024

ABS hydraulic control unit: Warning light and audible "ding" on the dashboard notes there is an issue with the ABS system. After taking this truck to several RAM service centers, the service tech says that it is part of a recall and that parts are not available. I cannot find any such recall, on... Read more

Incident date: Jun 8, 2024

The contact owns a 2021 Ford EcoSport. The contact received notification of NHTSA Campaign Number: 23V905000 (Engine and Engine Cooling) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall r... Read more

Incident date: Mar 1, 2024

On May 12, 2024 I placed my vehicle in Park. As I exited, it rolled back. The door knocked me down and the car rolled over my left leg, injuring my lower leg, ankle, and foot. Problem has not been reproduced. Vehicle has not been inspected. I phoned the dealer, who denied any knowledge of the proble... Read more

1 injured

Incident date: Jul 18, 2017

No warning lights have appeared; after an oil change, the technician said there is some oil seepage; at start up, the vehicle smells like gas and clicks and start up. The fumes are overwhelming at times. Off and on driving the vehicle clicks 2-4 times then stops. No warning lights are illuminat... Read more

Incident date: Mar 11, 2024

Purchased car in early January 2024 and on February 18th the vehicle wouldn't start. Got the vehicle to start after jumping it and drove straight to the dealership to have it checked / repaired. The car has been in the dealership service bay ever since. I worked with dealership and then escalated... Read more

Incident date: Mar 11, 2024

Error message of collision prevention assist inoperable. Mercedes dealer wants $400 to look at it only.

Incident date: Feb 12, 2024

It has been observed that the antifreeze and oil are intermixing in the antifreeze reservoir, causing the check engine light to illuminate and the system to register a code of PC304. This particular code is indicative of a cylinder misfire, which can cause the car to stop functioning properly and ev... Read more

Incident date: Jan 1, 2024

The driver door starting making a loud popping sound. I found out the check arm/hinge broke. Now the door has 3 holes in it, the window will not roll up or down, and the popping sound is still present.

Incident date: Nov 30, 2023

No a pasado nada están encendidas las luces de advertencia del airbag solo eso

Incident date: Jan 12, 2024

The contact owns a 1998 Chevrolet Corvette. The contact stated that while the vehicle was with a local transmission mechanic for service, the technician was reversing out of the service bay when the Service Column warning light illuminated. No other warning lights were illuminated. The vehicle was t... Read more

Incident date: Aug 21, 2023

Frozen door latches. When its cold and you open the door, then close the door it does not latch.

Incident date: Aug 21, 2023

1. Gear shifter module. 2. Gear shifter remained stuck in drive and wouldn’t not go into neutral/park/reverse etc. Had I not been able to keep my foot on the brake and cut my car off while it was stuck in drive I would’ve crashed and/or hit an object or pedestrian. 3. My vehicle was towed to ... Read more

Incident date: Aug 21, 2023

After noticing my engine light come on, I had my vehicle checked out, the dealer informed (after spending $250.00) that the problem is the crankcase ventilation and it's a common problem. It seems the oh so familiar crankcase ventilation system is not working. This is a common problem with the GLC... Read more

Incident date: Nov 25, 2023

In December, 2022, the airbag warning light activated. AT a cost to us of over $1500, the Infiniti dealer replaced the failed sensor. What we did not know is that this did not fix the problem and the air bag on the passenger side would never have deployed in the event of an accident. In November, ... Read more

Incident date: Sep 20, 2022

"Engine Maintaince Soon" light continues to go off while driving the car making the dashboard impossible to use. Took the Rav4 to the dealership and said it would be $536 to replace the coolant bypass valve. It is a know issue on 2019 and newer Rav4 Toyota vehicles and needs to be recalled.

Incident date: Sep 3, 2023

The contact owns a 2016 Chevrolet Traverse. The contact received notification of NHTSA Campaign Number: 23V334000 (Air Bags) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of t... Read more

Incident date: Feb 25, 2023

Steering wheel sticks and you are not able to change direction without using excessive force. This happens when driving at highway speeds and seems to be worse (more force needed to turn wheel) at higher temperatures, 80+. The sticking steering causes you to oversteer and may cause you to lose cont... Read more

Incident date: Feb 25, 2023

at 45.000 miles all of my fuel injectors was replaced due to emission system problem appear on my dash board for free. At 97,000 miles we were on vacation in Houston TX, when the same emission system problem pop up on my dash board. I went to Honda dealership for engine diagnosis-"faulty fuel inject... Read more

Showing 50 of 135 complaints.

EPA Fuel Economy — 2017 MERCEDES-BENZ GLC300

Trim / Engine	City MPG	Highway MPG	Combined MPG	Fuel Type	Annual Fuel Cost
2.0L 4-cyl, Automatic 9-spd (Rear-Wheel Drive)	22.0	28.0	24.0	Premium	$3,400

CO2 Emissions: 364.0 g/mile (Small Sport Utility Vehicle 2WD)

Source: U.S. Environmental Protection Agency (EPA). Actual fuel economy may vary based on driving conditions.

Technical Service Bulletins — 2017 MERCEDES-BENZ GLC300

130 manufacturer communications from 81 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

Component	Bulletins
110000 ELECTRICAL SYSTEM	26
350000 EQUIPMENT	10
353000 EQUIPMENT:ELECTRICAL	9
010000 STEERING	9
353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)	8
118000 ELECTRICAL SYSTEM:SOFTWARE	7
060000 ENGINE AND ENGINE COOLING	7
117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL	4

060000 ENGINE AND ENGINE COOLING

Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase ventilation has a malfunction The partial-load ventilation valve (a part

110000 ELECTRICAL SYSTEM

i?? Always use the latest XENTRY Diagnosis software release with all available add-ons. i?? Make sure to follow the operation steps exactly as described in XENTRY Diagnosis. i?? Use a battery charger to ensure sufficient power supply of t

118000 ELECTRICAL SYSTEM:SOFTWARE

110000 ELECTRICAL SYSTEM

The radio station favorites list is no longer present after bus idle Saving process during download Perform software update in control unit HU6 in the head unit (A26/17) to version E871.1 (A 247 904 53 00).

353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

110000 ELECTRICAL SYSTEM

Mercedes-Benz AG (??A?A?MBAG??A?A?), the manufacturer of Mercedes-Benz, has determined that in certain MY 2017-2021 C-Class, CLA, CLS, E-Class, GLC, GLE, GLS, AMG GT, S-Class, SL, and SLC (205, 117, 257, 213/238, 253, 166/292, 190/290,217/2

220000 SEATS

Crease formation on genuine leather seat covers in vehicles with low mileage ??A?A? Objects left on the seats for extended periods of time (pressure marks). ??A?A? Objects wedged between the seat backrest and seat cushion (e.g. seat bel

110000 ELECTRICAL SYSTEM

The "SOS nonfunctional" message appears sporadically in the instrument cluster of the vehicle. The fault code B129C00 is stored in the control unit log. The message occurs in particular after the vehicle has been non-operational for an ext

117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

060000 ENGINE AND ENGINE COOLING

In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA (a??MBUSAa??) is extending the coverage for the intake line assembly on your vehicle

060000 ENGINE AND ENGINE COOLING

Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 a?? Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase ventilation has a malfunction The partial-load ventilation valve (a

063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

060000 ENGINE AND ENGINE COOLING

In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (a??MBUSAa??) is extending the warranty coverage on the intake line assembly in ce

061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

110000 ELECTRICAL SYSTEM

The Mercedes me connect services cannot be activated. The remote status data does not update. Error in N112/9 - control unit for telematics services (HERMES). In the HERMES control unit log, under the "URL" tab, the value DEFAULT is st

350000 EQUIPMENT

110000 ELECTRICAL SYSTEM

Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (a??MYa??) 2016 a?? 2021 C-Class (205 platform), E-Class (213 platform) and GLC (253 platform) vehicles, the air conditioning contro

130000 VISIBILITY

118000 ELECTRICAL SYSTEM:SOFTWARE

110000 ELECTRICAL SYSTEM

In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of A?C, or vice versa). Temperature setting in Mmc mobile application settings incorrect Remedy Adjust the setting in the Mercedes me connect

980000 UNKNOWN OR OTHER

346000 COMMUNICATION:MANUFACTURER TELEMATICS

353610 EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

020000 SUSPENSION

Complaint - AIRMATIC fault message in instrument cluster - Compressor inoperative, 40A compressor fuse possibly triggered. - Vehicle level is not adjusted correctly, the vehicle possibly leans at an angle Cause Moisture in the compress

160000 STRUCTURE

Complaint Staining on door trim strips and top and bottom trim elements on rear side windows Cause Damage to protective coating (due to poor original optimization of coating) of door beltline trim strips, door upper trim strips and side

010000 STEERING

Complaint 1. Vibrations noticeable at steering wheel when front axle is excited when driving at a speed between 65 km/h and 130 km/h over an obstacle. a?? Driving over deeply recessed manhole covers a?? Driving over cross joints a?? Dr

160000 STRUCTURE

Complaint Staining on door trim strips and top and bottom trim elements on rear side windows Cause Damage to protective coating of door beltline trim strips, door upper trim strips and side window trim element due to strong alkaline det

010000 STEERING

Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function). Cause Height adjustment moves to the top/bottom limit stop and jams. Remedy There are 2 re

010000 STEERING

Complaint Malfunction of the electric steering column adjustment. The adjustment application by the driver does not correspond to the adjustment direction of the steering column. Cause Polarity reversal of the lines M20/1 (steering colu

110000 ELECTRICAL SYSTEM

Complaint Customer states after a bus sleep the SiriusXM category changes from "My Favorites" to "All Stations" or a different category. Sometimes, the "My Favorites" category will be unavailable for the entire dri

110000 ELECTRICAL SYSTEM

Complaint In an initial quick test, DTC B238A00 "Fan 2 of the control unit has malfunctioned" may be active and/or stored in the MBUX Multimedia System (A26/17) Cause Current MBUX Multimedia System (A26/17) software release Rem

010000 STEERING

350000 EQUIPMENT

118000 ELECTRICAL SYSTEM:SOFTWARE

020000 SUSPENSION

Complaint Thumping noise on rear axle shock absorber on rough road. Cause Until now the rear axle shock absorber support bushing was only available together with the rear axle shock absorber as a replacement part. In future, the rear ax

350000 EQUIPMENT

110000 ELECTRICAL SYSTEM

Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has extended the warranty for the accelerator pedal wiring harness and connectors from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 10 years

010000 STEERING

Complaint 1. Vibrations noticeable in steering wheel when front axle is excited while driving at a speed above 40 mph over an obstacle. a?? Driving over deeply recessed manhole covers a?? Driving over cross joints a?? Driving over extr

110000 ELECTRICAL SYSTEM

Complaint The result from the XENTRY battery test does not match the current state of the battery. Cause The XENTRY battery tester uses the stored on-board electrical system data in the SAM module to access the health of the 12 volt bat

060000 ENGINE AND ENGINE COOLING

Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz, has determined that on certain MY 2015-2018 C-Class and GLC-Class (205 and 253 platform) vehicles, the software for the powertrain control unit may not correspond to the cu

110000 ELECTRICAL SYSTEM

Complaint The following complaints may be noted by the customer: a?? Upon selecting navigation, the central display may show the following message: "Map data does not match with your system. Please insert a medium containing the correspo

110000 ELECTRICAL SYSTEM

Complaint The garage door hand transmitter cannot be initialized with the integrated garage door opener in the inside rearview mirror. Cause 1. The integrated garage door opener (GDO) is not compatible with the opening system installed

110000 ELECTRICAL SYSTEM

Complaint The range of the integrated garage door opener (GTO) is too short. Cause 1. Vehicles equipped with infrared windows and/or a heated windshield may suffer from complaints involving low transmission power. 2. When comparing the

110000 ELECTRICAL SYSTEM

Complaint Seat heating on driver's seat and front passenger seat nonfunctional. The LEDs on the switches for the seat heating illuminate, but the seat heating mats do not get warm. Cause Faulty SCN coding of rear SAM. Remedy a?? Perfo

220000 SEATS

221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

060000 ENGINE AND ENGINE COOLING

"MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 a?? Boost Pressure is Too High"" "

110000 ELECTRICAL SYSTEM

MBUX multimedia system: Map data does not match with your system/the navigation system cannot be activated

353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

MBUX multimedia system: Map data does not match with your system/the navigation system cannot be activated

353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

Upon selecting navigation, the central display may show the following message: "Map data does not match with your system. Please insert a medium containing the corresponding map data". the navigation menu cannot be opened.

353000 EQUIPMENT:ELECTRICAL

The mobile phone address book may not be transferred completely to the multimedia system COMAND, Audio 20, or MBUX. The contact list may not be fully populated and in some instances, the call list will display telephone numbers but no names

110000 ELECTRICAL SYSTEM

On vehicles with code 077 HERMES dummy module the following functions are restricted, unavailable.

070000 FUEL SYSTEM, GASOLINE

Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning

071000 FUEL SYSTEM, GASOLINE:STORAGE

Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning

353000 EQUIPMENT:ELECTRICAL

The customer may note that the Dashcam feature is inoperable with one of the following complaints.

353000 EQUIPMENT:ELECTRICAL

The customer may note that the Dashcam feature is inoperable with one of the following complaints.

353000 EQUIPMENT:ELECTRICAL

The customer may note that the Dashcam feature is inoperable with one of the following complaints:

070000 FUEL SYSTEM, GASOLINE

Launch EW NCU - Low Pressure Fuel Hose MY 15-17 205 213 253 172

110000 ELECTRICAL SYSTEM

Vehicle does not start after charging process

060000 ENGINE (PWS)

Vehicle does not start after charging process

060000 ENGINE AND ENGINE COOLING

Remote start causing CEL and U012600.

350000 EQUIPMENT

Remote start causing CEL and U012600.

118000 ELECTRICAL SYSTEM:SOFTWARE

Remote start causing CEL and U012600.

110000 ELECTRICAL SYSTEM

For plug in hybrid and electric variants: Complaints about the electric range

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Model indicator index.

353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (?MY?) 2013-2017 B-Class, C-Class, CLA-Class, CLS-Class, E-Class, G-Class, GL-Class, GLA-Class, GLC-Class, GLE-Class, GLK-Class, GLS-Cla

118000 ELECTRICAL SYSTEM:SOFTWARE

110000 ELECTRICAL SYSTEM

The following complaints may be noted by the customer: - The MBUX multimedia system (A26/17) starts route guidance without user input and does not provide any audio notification. - The MBUX multimedia system (A26/17) does not give any spoke

350000 EQUIPMENT

340000 COMMUNICATION

010000 STEERING

Cracking/Creaking Noises Coming From The Area Of The Mechanical Steering Column

111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

Xentry Battery Tester results disagree with workshop assessment

119320 ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER

Xentry Battery Tester results disagree with workshop assessment

353610 EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

Mobile phone Apple iPhone 11/11Pro/11ProMax/SE 2020: The Bluetooth connection between the MBUX multimedia system and the mobile phone is briefly lost

353630 EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI

Mobile phone Apple iPhone 11/11Pro/11ProMax/SE 2020: The Bluetooth connection between the MBUX multimedia system and the mobile phone is briefly lost

011000 STEERING: STEERING WHEEL/HANDLE BAR

Steering wheel heater and/or Distronic function limited

012000 STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER

Steering wheel heater and/or Distronic function limited

353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional

340000 COMMUNICATION

Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional

118000 ELECTRICAL SYSTEM:SOFTWARE

MBUX multimedia system: "Favorites" and "Recent destinations" not available

110000 ELECTRICAL SYSTEM

Fault code B223209 is logged in the parking control unit

350000 EQUIPMENT

To enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its core businesses, Mercedes-Benz USA, LLC (MBUSA) has entered into a settlement regarding claims relating to alleged mold and mildew type

110000 ELECTRICAL SYSTEM

Event memory in the instrument cluster mileage readings intermittently inaccurate

190000 TIRES

Information Label on Tire Sealant

355100 EQUIPMENT:OTHER:LABELS

Information Label on Tire Sealant

350000 EQUIPMENT

Audible fan noise from area of center console

350000 EQUIPMENT

MBUX multimedia system: Mercedes-Benz service stations not available in Navigation menu

020000 SUSPENSION

Update AMG Suspension Control Unit Software

251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

Update AMG Suspension Control Unit Software

010000 STEERING

Assessment of actuating and operating noise from steering

353000 EQUIPMENT:ELECTRICAL

MBUX multimedia system: No vehicle image in menu settings

117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

"High-voltage battery warning message" in instrument cluster

100001 HYBRID PROPULSION SYSTEM

Electric range is reduced after brief period

117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

COMAND Online (code 531): Wrong date in system settings, incorrect time in instrument cluster

350000 EQUIPMENT

Audio 20: Playback stops when a track is changed.

353000 EQUIPMENT:ELECTRICAL

Audio 20: Playback stops when a track is changed.

350000 EQUIPMENT

Audio 20: SD card with audio files is not read

353000 EQUIPMENT:ELECTRICAL

Audio 20: SD card with audio files is not read

Showing 100 of 130 bulletins.

MERCEDES-BENZ GLC300 — All Years Overview

Complete safety history for the MERCEDES-BENZ GLC300 across all model years (2016–2017).

24 Total Recalls

304 Total Complaints

0 Investigations

22 Reported Crashes

7 Reported Fires

0 Reported Deaths

MERCEDES-BENZ GLC300 — Year by Year

Compare recalls and complaints across model years. Click any year to see full details.

Year	Recalls	Complaints
2017 (current)	12	135
2016	12	169	View

Other MERCEDES-BENZ Models

Model	Recalls	Complaints
GLA 250	1,219	416	View
GLC 300	1,143	568	View
GLE 350	1,116	311	View
C 300	1,074	360	View
AMG GLS63	963	12	View
AMG C43	944	74	View
CLA 250	923	130	View
AMG GLC43	920	42	View

Vehicle Safety

Consumer Safety

Infrastructure

Public Health

2017 MERCEDES-BENZ GLC300

Complaint Statistics

Top Reported Components

EPA Fuel Economy — 2017 MERCEDES-BENZ GLC300

Technical Service Bulletins — 2017 MERCEDES-BENZ GLC300

Most Affected Components

MERCEDES-BENZ GLC300 — All Years Overview

MERCEDES-BENZ GLC300 — Year by Year

Other MERCEDES-BENZ Models