*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.
Electrical system
All of the lights in my rear driver side taillight stopped working. I had it looked at and there was oxidation at the ground connection which caused overheating and melted the plastic, leaving burn marks on the gray plastic piece. I see a safety bulletin for this exact issue for model years 2008-2011, but not my 2013. This is dangerous.
Oct 9, 2026Forward collision avoidance › Automatic emergency braking
E brake mechanisms
Sep 29, 2026Structure
The contact owns a 2013 Mercedes-Benz C300. The contact stated that while driving at an undisclosed speed, the vehicle felt like it had shifted sideways. The contact stated that it seemed as if the steering wheel and the front driver's seat had shifted. In addition, the contact stated that while the vehicle was parked, the trunk latch was enabled; however the trunk failed to open or close. The dealer was made aware of the failure. The vehicle was taken to the dealer, where it was diagnosed with a failed subframe and brake line. The contact was informed that the vehicle was not being released because the vehicle was deemed unsafe. The contact was informed that the subframe repair was covered…
Aug 11, 2026 · 47,574 milesSteering
I am filing this complaint regarding a serious and recurring steering system defect involving my Mercedes-Benz vehicle and Recall Campaign No. 2017120022 (steering column defect). Mercedes-Benz corporate representatives provided conflicting information regarding whether the recall repair was completed in 2018. One representative stated it was performed; another stated no record exists. I was never notified that a recall repair had been completed. This inconsistency raises immediate concerns regarding recall documentation integrity and owner notification compliance. The identical steering column system has now failed again, resulting in a complete steering column lock and vehicle…
Oct 21, 2024Air bags
I had just gotten off the highway it was a rainy day and pulled into my driveway when airbag deployed on its own. I am lucky to be alive. I purchased this vehicle about 2 yrs or so ago and ran carfax that showed recall was fixed by manufacturer. I contacted Mercedes corporate office and itâs been almost two weeks with me calling and emailing w no call backs or any resolution. I donât have a car and could have been seriously injured. Please help.
Oct 19, 2025Structure › Body › Door › Handle › Interior
Vehicle Information: Year: 2013 Make: Mercedes-Benz Model: C300 (4MATIC) Approximate Mileage: 126,026 Component: Latches/Locks/Linkages â Interior Door Handle Summary of Issue: On October 10, 2025, the interior driver-side door handle on my 2013 Mercedes-Benz C300 broke, making it impossible to open the driverâs door from the inside. The handle broke through normal use upon trying to open the car door from the drivers side. The only way to exit the vehicle now is to roll down the window and reach around to use the exterior handle. On October 14, 2025, I spoke to two Mercedes-Benz dealerships in my area. They both confirmed this is a recurring problem on this model but stated there is no…
Oct 10, 2025Structure › Body
The interior door handle of the driver's side door snapped, which does not allow the driver to open the door at all. In the event of a crash, fire, or emergency, the door can only be opened from the exterior. This is a widespread issue with this model of car, which Mercedes-Benz is very aware of. There are hundreds of videos and online discussions of this common saferty issue that Mercedes refuses to make right. This is a risk for the safety of all drivers of these vehicles. The car has been inspected and confirmed by a MB dealer. There were no warning indications before or after this happened. Mercedes Benz wants $1200 to fix this obvious defect.
Aug 1, 2024Engine
The contact owns a 2013 Mercedes-Benz C300. The contact stated that while attempting to start the vehicle, the vehicle failed to respond as intended. No warning light was illuminated. A dealer was contacted. The vehicle was taken to the dealer where it was diagnosed and determined that engine oil had traveled through the wiring harness causing the ECU to fail. The vehicle was not repaired. The manufacturer was notified of the failure and offered to cover a portion of the repair cost. The approximate failure mileage was 160,000.
Aug 7, 2025 · 160,000 miles
Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.