2021 MERCEDES-BENZ C 300
7 recalls, 16 complaints
23V445000 Jun 26, 2023
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.
22V365000 May 20, 2022
ELECTRICAL SYSTEM:SOFTWARE
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
22V232000 Apr 8, 2022
BACK OVER PREVENTION:DISPLAY FUNCTION
Defect Description
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The rearview camera may not disp... Read more
Consequence
An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.
Remedy
Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022060007.
21V406000 May 28, 2021
SEATS:MID/REAR ASSEMBLY:HEAD RESTRAINT
Defect Description
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C300 Cabriolet, C43 AMG Cabriolet, C63 AMG Cabriolet, C63 AMG S Cabriolet, E450 Cabriolet, and E53 AMG Cabriolet vehicles. The rear headrests may be incorrectly mounted to the seatbacks.
Consequence
Incorrectly mounted headrests could move or detach from the seat during a crash, increasing the risk of injury.
Remedy
Dealers will inspect the rear seatback guide bushings and replace them if necessary, free of charge. Owner notification letters were mailed July 16, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021060010.
21V230000 Apr 1, 2021
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.
21V058000 Feb 5, 2021
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.
21V032000 Jan 29, 2021
SEAT BELTS:FRONT:RETRACTOR
Defect Description
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2021 C300, 2017-2020 AMG C43, and AMG C63 vehicles. The front seat belts might not fully retract to their stowed position. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 2... Read more
Consequence
If the seat belt does not fully retract, the occupant may find the operation of the seat belt inconvenient and not wear it, increasing the risk of injury in the event of a crash.
Remedy
MBUSA will notify owners, and dealers will check the retraction function of the front seat belts and adjust the damping foam within the B-pillars, as necessary, free of charge. The recall began February 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this... Read more
Complaint Statistics
16 total complaints
Top Reported Components
| Component | Complaints |
|---|---|
| FUEL/PROPULSION SYSTEM | 3 |
| ENGINE | 3 |
| AIR BAGS | 2 |
| FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING | 2 |
| UNKNOWN OR OTHER | 2 |
| STRUCTURE:BODY | 1 |
| LANE DEPARTURE: WARNING | 1 |
| ENGINE AND ENGINE COOLING | 1 |
| FUEL SYSTEM, GASOLINE | 1 |
ENGINE
Aug 7, 2026
Incident date: Aug 7, 2024
The contact owns a 2021 Mercedes-Benz C 300. The contact stated that while depressing the accelerator pedal, there was a loud knocking sound coming from the engine compartment while accelerating. There were no warning lights illuminated. The vehicle was taken to the dealer to be diagnosed, and it wa... Read more
FUEL SYSTEM, GASOLINE
May 19, 2026
Incident date: Mar 11, 2026
The contact owns a 2021 Mercedes Benz C. The contact stated that while driving on the highway, the vehicle began to lose power, riding rough. The check engine light illuminated. The vehicle was towed to the dealer where it was diagnosed with a fuel injection failure. The vehicle read diagnostic ... Read more
ENGINE
Jan 20, 2026
Incident date: Oct 6, 2025
To Whom It May Concern, I am submitting this formal safety complaint regarding my 2021 BMW X3, which is currently subject to an active safety recall involving a potential engine starter defect that may result in a vehicle fire.BMW of North America has notified me that water may enter the engine star... Read more
UNKNOWN OR OTHER
Dec 22, 2025
Incident date: Dec 22, 2025
My 2022 Chevrolet Malibu is experiencing the known “Shift to Park” defect and an “Air Induction System” fault. The vehicle repeatedly refuses to recognize the Park position even after moving the shifter into Park. This causes the vehicle to stay powered on, prevents it from shutting off, and... Read more
ENGINE
Nov 25, 2025
Incident date: Nov 23, 2025
The vehicle has experienced multiple serious safety failures involving the steering, electrical system, and powertrain. Most recently, while driving, the steering wheel locked unexpectedly, causing a temporary loss of control. Multiple dashboard warning lights began flashing, and the EPC light turne... Read more
UNKNOWN OR OTHER
Nov 25, 2025
Incident date: Oct 10, 2025
My 2013 White Four door Ford Explorer incidents occurred twice on the highway. The end pieces of the front windshield came off while driving on Hwy. 70 in Durham/Raleigh NC and on hwy somewhere in Raleigh! There was a Sherriff behind me the first time. My concern is the wind noise in my vehicle whil... Read more
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
Oct 6, 2025
Incident date: Oct 5, 2025
I have taken my car to the dealership now 3 times for the same recall issue. This time, they are telling me Hyundai will not repair my car on their end because of "sludge buildup" to which i was not aware. I submitted all records of maintenance and they are refusing to fix my vehicle. I now have an... Read more
ENGINE AND ENGINE COOLING
Aug 6, 2025
Incident date: Jun 9, 2025
The contact owns a 2020 Kia Telluride. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to the dealer; however, the failure was not duplicated. The contact stated that the dealer was performing an oil consumption test. ... Read more
AIR BAGS
Aug 6, 2025
Incident date: Jun 9, 2025
I had just gotten off work and turned on my car. I put my seatbelt on and that's when a message popped up on my dash saying "SRS Airbag System Malfunction. Visit Your Dealer". I was a bit concerned and worried and so when I started driving home, it still displayed that message and it started to beep... Read more
LANE DEPARTURE: WARNING
Feb 17, 2025
Incident date: Feb 13, 2025
Upon starting the vehicle, the following all fail: Adaptive Cruise Control Forward Collision Warning Lane Departure Warning Lane Keeping Assistance
FUEL/PROPULSION SYSTEM
Nov 4, 2024
Incident date: Nov 2, 2024
Reached out to Hill Country Honda, San Antonio Texas since the inception of this recall, approximately 2 years ago, and when I received Honda notifications to contact dealer for scheduling. Received another notification from Honda, today, November 4, 2024 and Service Advisor at Hill Country Honda st... Read more
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
Mar 26, 2024
Incident date: Jul 1, 2023
The contact owns a 2023 Land Rover Defender. The contact stated that while driving 35 MPH with no other vehicles or objects nearby, the Forward Collision Avoidance system activated with the Automictic Emergency Braking function drastically slowing the vehicle nearly causing a crash. The vehicle was ... Read more
STRUCTURE:BODY
Jan 28, 2024
Incident date: Jan 28, 2024
The T shaped frame mount where the fuel tank strap hooks to rusted out and the strap pulled through the frame letting the fuel tank drop.
FUEL/PROPULSION SYSTEM
Jan 28, 2024
Incident date: Jan 28, 2024
The T shaped frame mount where the fuel tank strap hooks to rusted out and the strap pulled through the frame letting the fuel tank drop.
FUEL/PROPULSION SYSTEM
Jun 2, 2023
Incident date: May 21, 2023
Hybrid system shut down while driving. Cleared at deal ship twice. happened two more time. Dealership claims they were unable to recreate the issue.
AIR BAGS
Feb 23, 2022
Incident date: Nov 1, 2021
The contact owns a 2021 Mercedes-Benz C300. The contact stated while driving at an unknown speed, there was a burning odor inside the vehicle. The contact stated the passenger side air bags was enabled warning light was illuminated. The contact also stated the vehicle made an abnormal noise. The con... Read more
MERCEDES-BENZ C 300 - All Years Overview
Complete safety history for the MERCEDES-BENZ C 300 across all model years (2017, 2026).
90
Total Recalls
383
Total Complaints
0
Investigations
30
Reported Crashes
6
Reported Fires
0
Reported Deaths
MERCEDES-BENZ C 300 - Year by Year
Compare recalls and complaints across model years. Click any year to see full details.