There are 4 owner-reported powertrain & transmission complaints for the 2004 Mercedes-Benz C-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I WAS DRIVING TO WORK FROM PARKVILLE TO BALTIMORE CITY AND MY CAR BEGAN AGGRESSIVELY JERKING. I DROVE MY CAR ON FRIDAY MORNING THROUGH THE TUNNEL AND THE JERKING WAS NOT AS AGGRESSIVE. I DROVE HOME ON FRIDAY AFTERNOON FROM WORK AND I COULD TELL THAT SOMETHING WAS STILL JERKING BUT CONTINUOUSLY. SATURDAY MORNING MY CAR WAS JERKING SO AGGRESSIVELY, I CALLED OWINGS MILLS MERCEDES AND LEFT IT THERE. I WAS NOTIFIED TODAY, MAY 27, 2015, THAT MY CAR NEEDED BETWEEN $1900 AND $7500 WORTH OF WORK. MY COOLANT IS LEAKING ON THE TRANSMISSION. IF MY RADIATOR CAN NOT BE FIXED, I WILL NEED A NEW RADIATOR AS WELL AS TRANSMISSION. I HAVE DOING RESEARCH AND THIS SEEMS TO BE A COMMON PROBLEM WITH THE C CLASS MERCEDES. I FEEL THIS SHOULD BE A RECALL ISSUE.
TL* THE CONTACT OWNS A 2004 MERCEDES BENZ C230. WHILE DRIVING BETWEEN 25-30 MPH, THE ACCELERATOR PEDAL WAS DEPRESSED BUT THE VEHICLE FAILED TO RESPOND. THE VEHICLE WAS TAKEN TO THE DEALER TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE TRANSMISSION AND RADIATOR NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 70,000. UPDATED 02/05/16*LJ UPDATED 02/11/16 *JB
I HAVE BLACK MERCEDES C230 KOMPRESSOR SPORTS SEDAN 2004 MODEL. CAR WAS PURCHASED BRAND NEW AT MERCEDES AUTHORIZED DEALER. THERE IS NO MODIFICATION MADE TO THIS CAR AND ALL THE SERVICING DONE AT MERCEDES AUTHORIZED DEALER SINCE I BOUGHT THIS CAR. IT HAD ONLY 58000 MILES. LAST B SERVICING WHICH CHECKED ANY SAFETY RELATED ISSUES AND INCLUDES REGULAR MAINTENANCE, WAS DONE AT AUTHORIZED DEALER ON 02/18/2012. NO ISSUE WAS INFORMED ON 02/18/2012 TO US BY MERCEDES AUTHORIZED DEALER SERVICING DEPARTMENT. ON 06/21/2012, WHEN I WAS DRIVING THIS CAR FROM WORK TO HOME, I TURNED ON A/C, A/C SHUTDOWN AND I STARTED SMELLING SMOKE. ON LEFT SIDE OF MY CAR THERE IS A/C VENT AND I SAW FIRE INSIDE THE HOOD THROUGH THAT VENT.I PULLED OVER CAR RIGHT AWAY AND ELECTRICITY WENT OUT WITH IN 1 MIN OF MY PULLING OVER AND WITHIN 4 MIN, WHOLE CAR WAS BURNING. MY CAR IS NOW TOTALED. THIS POSES FOLLOWING SECURITY CONCERNS: 1. MERCEDES C230 2004 IS MADE OF HIGHLY INFLAMMABLE MATERIAL AND DRIVER AND USERS OF CAR HAS VERY LESS CHANCE TO SURVIVE IF THERE IS FIRE. 2. MERCEDES C230 2004 MODEL A/C UNIT IS NOT OF HIGHEST QUALITY AND ELECTRICAL SYSTEM IS FAULTY. BOTH OF ABOVE ISSUES POSES VERY SERIOUS SECURITY RISKS TO PUBLIC AND IT NEEDS THROUGH INVESTIGATION. I CONTACTED MERCEDES HEAD QUARTER FOR INVESTIGATION AND MERCEDES DECLINED TO INVESTIGATE. GEICO STATED IN REPORT THAT HOOD IS STUCK AND CAUSE OF FIRE IS UNKNOWN. GEICO INSURANCE COMPANY AUTHORIZED MERCEDES ENGINEERS TO INVESTIGATE FURTHER UPON MY REQUEST AND MERCEDES USA DOES NOT WANT TO INVESTIGATE FURTHER. I HAVE PICTURES OF BURNT CAR AND CAN SHARE IF IT HELPS IN INVESTIGATION TO RULE OUT ABOVE 2 CONCERNS. WE DO NOT WANT OTHERS TO GO THROUGH SAME ORDEAL AS WE WENT THROUGH. *TR UPDATED 06/13/13*LJ UPDATED 06/17/2013 *JS
DT*: THE CONTACT STATED THERE WAS AN ODOR COMING FROM THE TRANSMISSION AREA. THE CONTACT BELIEVED THE ODOR WAS COMING FROM EITHER AN OIL OR TRANSMISSION LEAK. THE DEALERSHIP WAS UNABLE TO DETERMINE THE SOURCE OF THE ODOR. THE CONTACT WAS CONCERNED THIS WAS A POTENTIAL FIRE HAZARD. THE VEHICLE IS A 2004 MERCEDES-BENZ C230. *AK
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026