2021 MERCEDES-BENZ GLC 300

9 recalls — 84 complaints

EXTERIOR LIGHTING:HEADLIGHTS

Defect Description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2022 GLC 300, 2020 GLC 350e, and 2020-2022 AMG GLC 43 vehicles. The headlights may be incorrectly adjusted too high and create a glare for oncoming traffic. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicl... Read more

Consequence

Incorrectly aimed headlights can reduce the visibility of oncoming traffic, increasing the risk of a crash.

Remedy

Dealers will inspect the headlight adjustment and correct it if necessary, free of charge. Owner notification letters were mailed February 23, 2024. Owners may contact MBUSA customer service at 1-800-367-6372.

15,502 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Defect Description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.

Consequence

A loss of drive power can increase the risk of a crash.

Remedy

Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070012.

143,551 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC

COMMUNICATION: AUTO CRASH NOTIFICATION

Defect Description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model de... Read more

Consequence

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

Remedy

The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Ow... Read more

242,722 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC

EXTERIOR LIGHTING:HEADLIGHTS

Defect Description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 GLC 300, GLC 300 4Matic, AMG GLC 63 4Matic, AMG GLC 63 S 4Matic, and AMG GLC 43 4Matic vehicles. The electrical connection for the headlights may not be watertight, which can result in headlight failure.

Consequence

Headlight failure can decrease visibility for both the driver and surrounding traffic, increasing the risk of a crash.

Remedy

Dealers will inspect and replace the headlight sealing plugs, as necessary, free of charge. Owner notification letters were mailed June 3, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022050005.

129 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC

AIR BAGS:SENSOR:SIDE IMPACT

Defect Description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 CLS450, AMG E53, AMG CLS53, E350, E450, AMG GT43, AMG GT53, 2020 S450, S560, G550, AMG GLC63, 2020-2021 GLC300, and AMG G63 vehicles. The side crash sensor connectors may come loose, which could delay the activation of air bags and seatbelts ... Read more

Consequence

Air bags and seatbelts that don't function as intended can increase the risk of injury during a crash.

Remedy

Dealers will inspect and replace as necessary, the side impact crash sensors, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021070032/33.

542 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC

ELECTRICAL SYSTEM:SOFTWARE

Defect Description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLA-Class, GLE/GLS-Class, A-Class, E-Class, E-Class Coupe and Convertible, GLA/GLB-Class, GLC-Class, CLS-Class, and AMG GT-Class 4-door Coupe vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The MBUX m... Read more

Consequence

A backup camera that displays a blank image reduces the driver's rear view, increasing the risk of a crash or injury.

Remedy

The multimedia system software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed beginning June 28, 2021. Owners may contact MBUSA customer service at 1-800-367-6373. MBUSA's number for this recall is 2021050012.

343,191 vehicles affected

Manufacturer: Mercedes-Benz USA, LLC

SEATS

Defect Description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C-Class, E-Class, E-Class Coupe and Convertible, GLC, CLS, AMG GT 4-door Coupe and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. A faulty electrical contact within the seat position switch may pr... Read more

Consequence

Air bags and seat belts that do not perform properly in a crash can increase the risk of injury.

Remedy

MBUSA will notify owners, and dealers will replace the seat position switches, free of charge. Owner letters were mailed May 21, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021040016.

8,634 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

Complaint Statistics

84 total complaints 3 crashes 2 fires 3 injuries

Top Reported Components

Component	Complaints
ENGINE	12
UNKNOWN OR OTHER	8
POWER TRAIN	8
ELECTRICAL SYSTEM	7
FUEL/PROPULSION SYSTEM	6
STEERING	4
STRUCTURE:BODY	3
VISIBILITY/WIPER	3
ENGINE AND ENGINE COOLING	3
AIR BAGS	3

Incident date: Jan 2, 2025

While driving in my neighborhood at 25 MPH, my Mercedes GLC300 suddenly lost power and the check engine light illuminated. My car would no longer exceed 25-30 MPH, but I drove it straight to the dealership and they said it was a faulty cylinder head and will cost $10,000 to fix! After intense negoti... Read more

Incident date: Apr 29, 2026

The contact owns a 2026 TOYOTA CAMRY HYBRID. The contact received notification of NHTSA Campaign Number: (25V869000 (HYBRID PROPULSION SYSTEM) 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 rea... Read more

Incident date: Mar 15, 2026

I leased a 2023 Ioniq 6 electric car on September 2023. Since leasing the vehicle, the vehicle has been towed four times for the same problem, the parking brake malfunctions rendering the vehicle unusable. I have multiple photos and videos documenting this. This has happened either after parking th... Read more

Incident date: Mar 10, 2026

The contact owns a 2025 Cadillac Lyriq. The contact stated that after starting the vehicle, there was a cracking sound inside the vehicle. The contact looked up and saw that the moon roof glass was cracking. The contact stated that the crack had extended several feet. There was no impact on the moon... Read more

Incident date: Dec 31, 2025

The contact owns a 2002 Isuzu Rodeo. The contact recently became aware of severe corrosion on the frame of the vehicle. The contact stated that the vehicle was repaired under NHTSA Campaign Number: 10V436000 (Suspension) approximately 10 years ago. The contact believed that the recall repair should ... Read more

Incident date: Feb 15, 2026

Transmission has failed twice in 2023, dealer carried out repairs but still the Transmission started shuddering after every 1000 miles, truck has been in service centre for almost 12 times for the repeated issue but no permanent solution, after my bumper to bumper warranty got over in 2025 September... Read more

Incident date: Feb 15, 2026

This is a well-known issue with these engines. See TSB (Service Bulletin) The 2021 Mercedes-Benz GLC 300 has 42,000 miles and the warranty ran out 2 weeks ago. The vehicle is up-to-date on service. Fault code P06DA00 Engine Oil Pressure Control Circuit/Open. The Yellow Check Engine Light came on and... Read more

Incident date: Jan 9, 2026

The contact owns a 2017 Ford Explorer. The contact stated that while the vehicle was parked, the contact noticed that the front driver's side B-Pillar trim had detached. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The dealer was made aware of the failure. The cont... Read more

Incident date: Dec 5, 2025

The Lane Keeping Assist works well and is very useful. Unfortunately it is combined with the infrared eye monitor system, which is very flaky and does not work well with prescription glasses when sunlight comes in from the front or side. It provides many false warnings, but cannot be turned off with... Read more

Incident date: Jan 7, 2026

In November 2025, while traveling at highway speeds, the High-Pressure Fuel Pump (HPFP)—the very component installed to satisfy the Z46 recall—suffered a catastrophic failure. This resulted in an immediate loss of fuel pressure, smoke, and a total engine stall. The failure caused a loss of power... Read more

Incident date: Dec 5, 2025

Vehicle Information: Year: 2021 Make: Mercedes-Benz Model: GLC 300 Engine: M264 Mileage at time of failure: Approximately 65,000 miles Complaint Description: While driving, my 2021 Mercedes-Benz GLC 300 began experiencing repeated engine misfires and rough running, accompanied by a persistent chec... Read more

Incident date: Nov 13, 2025

I bought a 2021 Ascent - Touring , lately there was an ever increasing amount of wind noise. It sounded like it was coming from the sunroof, but I couldn't see anything from the inside that looked out of place and there were no signs of water leaking. I finally looked up on the roof from the outside... Read more

Incident date: Oct 29, 2025

The contact owns a 2015 Land Rover Range Rover Sport. The contact received notification of NHTSA Campaign Number: 25V514000 (STEERING); 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 re... Read more

Incident date: Oct 29, 2025

The truck I bought last November 2024..was running kinda bad.. by may of 2025 the tranmission was stalling I call the dealership..and explain my problem. I was told that someone would call me back but that never happened...July of 2025 the car was running hot I had my service work done oil change..t... Read more

Incident date: Oct 9, 2025

The contact owns a 2021 Honda Civic. The contact received notification of NHTSA Campaign Number: 24V064000 (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 time fo... Read more

Incident date: Oct 16, 2025

I was driving with family to a family trip up to the mountains to enjoy the snow when at a rest area I noticed the odyssey just had a slight delay to turning on before continuing the trip. No lights no signs of anything going wrong. As we continued our trip back onto the freeway on a curvy road and ... Read more

Incident date: Sep 22, 2025

rear view camera display when vehicle is in reverse will intermittently turn blue or black which renders the rear view camera useless. and at times will state camera unavailable. vehicle is a 2021 ford bronco built on june 15, 2021 at ford Michigan build plant. i have contacted ford related to this... Read more

Incident date: Aug 8, 2025

The roof-mounted antenna (shark fin style) detached from my 2025 Chevrolet Traverse (approx mileage:7,500) during normal use. This should not occur on a new vehicle, and I have seen multiple other owners of the same model year reporting the same issue. If the antenna were to detach while driving, it... Read more

Incident date: Jan 1, 2024

The contact owns a 2014 Jeep Compass. The contact stated that while driving, a ticking noise was present coming from the engine, and the vehicle suddenly stalled. Moments later, smoke and flames were present coming from the engine compartment. The fire department was called to the scene and extingui... Read more

Fire

Incident date: May 7, 2025

Have been getting condensate inside vehicle headlights inwhich have cause the headlight to completely not work anymore.. There is no damage to headlight which means to be cause due to a problem with the seal. Checked with local and also statewide Mercedes advisors which was told there isn’t a reca... Read more

Incident date: May 7, 2025

The contact owns a 2023 Harley-Davidson FLHCS. The contact received notification of NHTSA Campaign Number: 25V375000 (Suspension); 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 repair.... Read more

Incident date: May 7, 2025

Vehicle shudders and shakes at low speeds. Been doing this since 43k miles and it now reflects it as a possible torque converter problem.

Incident date: Apr 1, 2025

The power steering system lost it's fluid and pump is cavitating. It's available for inspection. The vehicles can be steered at the moment, but if it were to fail completely, it could cause loss of control at highway speeds. The problem is ongoing but hasn't been presented to a dealer or independen... Read more

Incident date: May 13, 2025

I was driving my car like normal when a handful of warning signs popped up on the front screen and the brakes went out. I could only stop by pushing on the pedal with all my force, and it eventually slowed the car to a stop, but took an incredibly long distance to do so. A handful of warning light... Read more

Incident date: Apr 28, 2025

Headrest exploded while my wife was driving home yesterday. It is definitely broke.

Incident date: Mar 20, 2025

The contact owns a 2017 Jeep Wrangler. The contact stated that on two occasions while driving approximately 10 MPH, there was an abnormal burning odor inside the cabin of the vehicle. The vehicle was steered to the side of the road and turned off. The vehicle was restarted, and when the gear shifter... Read more

Incident date: Mar 20, 2025

Power steering stopped working - understand there is a recall on manufacture years 2015 and newer - mine falls in the date range but my VIN is not a part of the issued recall "S19"

Incident date: Mar 28, 2025

On 4/24/25 I noticed a pungent odor (like rotten eggs). The odor is worse today. I did research and it appears there may be a problem and or leak with the catalytic converter. The emissions are making me and my kids feel sick, nauseous, headache, irritated eyes, etc.

Incident date: Mar 6, 2025

The gray tank to the kitchen is sagging and will not appropriately empty. It appears to be falling out of the underbelly of the vehicle. The same is for the freshwater tank as well in the rear it appears to be coming down and is separating from the foam. It has a slight leak. The black tank in the ... Read more

Incident date: Mar 3, 2025

The contact owns a 2015 BMW 528I. The contact stated that while driving at various speeds, the vehicle stalled with the check engine warning light illuminated. The vehicle was initially taken to a dealer where a diagnostic test was performed, and the diagnostic test showed that the fuel rail system ... Read more

Incident date: Dec 2, 2024

Unknown

Crash Fire

Incident date: Dec 2, 2024

I was driving in the fast lane and all of a sudden my car went into neutral. Thankfully, my children were not in the car and I was able to merge over safely to the side of the freeway. after as I barely pulled off the car completely shut off. I tried to turn back on several times but would not start... Read more

Incident date: Dec 2, 2024

High beam can't auto dim Fuel pump fail to operate, misfires, and shut down while driving

Incident date: Feb 10, 2025

Cam phasers sensors have failed three times and repaired each time. Caused the engine to stall and accelerate poorly.The third time they failed a part was defected the dealer claimed. All this work was covered under the powertrain warranty. My safety could have been at risk as my vehicle did sputter... Read more

Incident date: Feb 10, 2025

The contact owns a 2015 Ram 1500. The contact stated that while his wife was driving 40 MPH, the vehicle started to stall and started running rough. The contact's wife turned off the vehicle; however, while attempting to restart the vehicle, the vehicle failed to restart. There was no warning light ... Read more

Incident date: Dec 23, 2024

THE TRUCK FAILED GO SHIFT INTO REVERSE. HAD TO PUSH THE VEHICLE OUT OF THE PARKING SPACE. WHEN I TRIED TO GO FORWARD THE VEHICLE SHUTTERED AND THEN SHIFTED INTO LIMP MODE. DEALERSHIP HAS HAD THE TRUCK FOR OVER 8 WEEKS NOW AND I AM TOLD THERE IS A NATIONAL BACK-ORDER ON THE NEW VALVE BODY BECAUSE ... Read more

Incident date: Nov 30, 2024

Started my 2021 Grand Cherokee Jeep started to drive light on dash transmission service and my vehicle would not go over 35 had to get off highway and get towed .10pm on 12/18/2024

Incident date: Nov 29, 2024

The contact owns a 2017 Ford Escape. The contact stated while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to the dealer where it was diagnosed that coolant was leaking into the engine, causing head gasket failure. The contact was informed that t... Read more

Incident date: Aug 15, 2023

At 3,700 miles, check engine light came on; went to the dealership; diagnosed as Auxiliary Waterpump; Waterpump was leaking coolant. Vehicle sat at the dealership from Oct 1 until Nov 1 2024. Vehicle is still losing coolant. Taking to a different dealership tomorrow.

Incident date: Aug 15, 2023

The tailgate fell open while in motion. Now it won't latch closed unless I hold it up and lock it with the mechanical key or the keyfob. Online research indicates that recal # U74 should have included this truck but I was never notified. I am the second owner and acquired this truck 05/05/2018.

Incident date: Nov 14, 2024

I noticed wall movement against installed cabinets in the front of the RV. Movement was indicated by the shaving of the wall material leaving "sawdust" all over the front RV bedroom area. Upon inspection half of the required lag bolts were installed and those installed were too small for the pre-d... Read more

Incident date: Oct 27, 2024

Recall SC223 Brake master cylinder. Rough metal edges can pinatrate Seals causing leaks poor braking functionality. NHTSA Capaign ID# 21V936000. Nov.30th.2021, 87 vehicles effected. Clay Cooley kia refused to honor the recall and fix the problem with my vehicle on 10/25/2024. Recall on the cataly... Read more

Incident date: Oct 3, 2024

driving @ nite on[XXX] [XXX] doing 70mph on cruise control all of a sudden my 2016 kia sorento loss power! then the instrument cluster lit up like a x-mas tree. check oil, check engine, and everything else in between was blinking on and off. very lucky there was an exit ramp up ahead and no vehicles... Read more

Incident date: Sep 18, 2024

The transmission lock sensor is defective in this car design- the spring in the gearshift assembly that contacts the transmission lock sensor has a faulty design and is prone to breaking. This leads to a warning in the car that the transmission lock has not occurred when the car is in park (althou... Read more

Incident date: Sep 18, 2024

We purchased this 2018 Ford Escape new. The headlights have burned out many times, and much sooner than normal. What is really a mystery is that many times the low beams will burn out together. This is typically rare as one will burn out and then the other will continue to work for a while. We ... Read more

Incident date: Aug 1, 2022

On February 16, 2024, The vehicle (F150 XLT Super Crew) that was being driven was going approximately 40 miles ph when an other vehicle came out of a side street who had a traffic stop sign. There were two school buses blocking their view and my view of anyone coming out of the development. My vehi... Read more

Crash 2 injured

Incident date: Jun 3, 2024

The contact owns a 2018 Honda Accord. The contact stated that the vehicle failed to start as intended with the check engine warning light illuminated. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline) however, the part to do the recall repair was not yet a... Read more

Incident date: Jan 22, 2024

Upon buying my Honda Passport 11/28/2023, I have been experiencing problems with the radio/electrical connections in my vehicle. There are times I have crackling noises in front speakers and a complete failure of sound altogether. Daily stop and start in the sound system with blank moments and com... Read more

Incident date: Mar 3, 2023

On 10/26/23 at 5:00 pm I was involved in an accident I was hit on the front passenger side and none of the airbags deployed I do remember that right on impact immediately my chest started hurting I also hit my head on the driver side window now i dont know how fast i should be going or how hard do i... Read more

Crash 1 injured

Incident date: Jan 10, 2024

My CR-V Lane Keep Assist will pull my vehicle one way or the other jarringly violently, and will overcorrect itself the rest of the time. The result being that I have nearly totally stopped using the feature. Recently, though, I have noticed a sticking point just off of dead center when steering in... Read more

Showing 50 of 84 complaints.

NHTSA Safety Investigations — MERCEDES-BENZ GLC 300

Investigations opened by NHTSA into potential safety defects. These are separate from recalls and may or may not result in a recall.

DP — Closed — Model Year: 2023

Malfunction Indicator Light / No-Start

In a letter dated July 2, 2023, Aldelberto A. Cordova (the petitioner) submitted a petition requesting that NHTSA initiate an investigation of an alleged defect within the “ISG 48-volt on-board electrical system,” which resulted in warning light illumination as well as an inability to start the ... Read more

MERCEDES-BENZ GLC 300 — All Years Overview

Complete safety history for the MERCEDES-BENZ GLC 300 across all model years (2018–2026).

75 Total Recalls

596 Total Complaints

1 Investigations

34 Reported Crashes

11 Reported Fires

1 Reported Deaths

MERCEDES-BENZ GLC 300 — Year by Year

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

Year	Recalls	Complaints
2026	3	0	View
2025	3	28	View
2024	7	33	View
2023	11	99	View
2022	2	79	View
2021 (current)	9	84
2020	16	86	View
2019	12	64	View
2018	12	123	View

Other MERCEDES-BENZ Models

Model	Recalls	Complaints
GLA 250	1,219	416	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
AMG GLE63	903	11	View