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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.
27 of 584 complaints match · Electrical system · clear filters · page 2 of 2
Jun 3, 2017Electrical system
THE BLOWER OF THE CLIMATE CONTROL DOES NOT WORK WHEN THE CAR IS PARKED OUTSIDE IN THE SUN. AS A RESULT THE CAR AIR CONDITIONING SYSTEM IS IMPACTED WITH THE RISE IN TEMPERATURE. WHEN THE CAR IS PARKED IN THE GARAGE OR IN SHADE, THE BLOWER AND AIR CONDITIONING SYSTEM WORKS FINE. IT APPEARS THAT THERE IS A SHORT CIRCUIT AS A RESULT OF HIGH TEMPERATURE WHICH PREVENTS THE BLOWER / AIR CONDITIONER FROM OPERATING. PLEASE CHECK IF THIS IS A SAFETY RECALL ISSUE.
NHTSA ODI 10993019
May 4, 2012LightsElectrical system
TL* THE CONTACT OWNS A 2012 MERCEDES BENZ C250. WHILE DRIVING, THE TURN SIGNAL WAS ACTIVATED WHEN A WARNING INDICATOR LIGHT SLIGHTLY ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR INSPECTION, WHERE THE CONTACT WAS ADVISED THAT THE DIMNESS OF THE TURN SIGNAL WAS COMMON FOR THE MODEL YEAR VEHICLE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE FAILURE MILEAGE WAS 320. UPDATED 07/25/12*LJ THE CONSUMER STATED THE PROBLEM WAS WITH THE TURN SIGNAL CONTROL LIGHT. IT WAS HARDLY VISIBLE IN THE DAY LIGHT AND IN THE SUN. THE SERVICE DEPT STATED THE NEW MODEL HAS A NEW ELECTRONIC DASH WHICH COMES IN ONE NEW CIRCUIT PANEL . UPDATED 07/25/12
NHTSA ODI 10457486
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Working with the data? Download all 584 complaints as CSV · fetched from NHTSA July 14, 2026