Home · 2012 Mercedes-benz C-class Coupe · Complaints

What 584 owners told NHTSA about the 2012 Mercedes-benz C-class Coupe

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (584)Crash / fire / injury (18)Airbags (312)Suspension (73)Engine (69)Body & structure (62)Fuel system (34)Electrical system (27)Brakes (26)Steering (15)Transmission & drivetrain (12)Lights (8)

2 of 584 complaints match · Electrical system · crash/fire/injury only · clear filters

Apr 26, 2021Electrical systemLightsFire

TL* THE CONTACT OWNS A 2012 MERCEDES BENZ C300. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 45 MPH, A BURNING TYPE ODOR WAS PRESENT INSIDE THE VEHICLE. WHILING INSPECTING THE VEHICLE IT WAS DISCOVERED THAT REAR DRIVER AND PASSENGER SIDE TAIL LIGHT PLUGS HAD MELTED. ALSO, AFTER TURNING THE FRONT DRIVER SEAT HEATER ON A BURNING ODOR WAS PRESENT AND THE SEAT FELT EXTREMELY HOTTER THE NORMAL. THE CAUSE OF THE FAILURES WERE NOT DETERMINED. THE MANUFACTURER AND LOCAL DEALER WERE NOT YET NOTIFIED OF THE FAILURES. THE FAILURE MILEAGE WAS 70,000. ## VIN PASSED ## MERCEDES-BENZ 2012 C300 ##

NHTSA ODI 11413896

Feb 1, 2018Electrical systemWheelsBrakesFire

MY VEHICLE WAS DAMAGED BY K AND H AUTO. THE ELECTRICAL UNIT IS MALFUNCTIONING, THE LIGHT IS BROKEN ON THE RIGHT SIDE, AND THE ROTORS AND BRAKES HAVE BEEN RUSTED, PLEASE HAVE SOMEONE ATTEND TO THIS MATTER. THANKS, AND HAVE A VERY BLESSED DAY. ANOTHER COMPANY BY THE NAME OF ANS TOWING, TOWED MY VEHICLE WITHOUT CARE AND I AM NOW HAVING ACCELERATION ISSUES WITH MY VEHICLE. THE VEHICLE WAS DRAGGED THROUGH WATER ON OCTOBER 17-18, 2018.

NHTSA ODI 11066436

Working with the data? Download all 584 complaints as CSV · fetched from NHTSA July 14, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2012 Mercedes-benz C-class Coupe verdict →