2003 Mercedes-Benz C-Class

Problems, recalls and owner-reported issues

Engine and engine cooling is the leading concern among 106 owner complaints filed for this model year. This is the 16th highest complaint count among 23 C-Class model years with reports.

Complaints by model year
  1. 106

Of the 2003 reports, 4 involved a crash and 5 involved a fire. 5 people were injured.

Primary concernEngine and engine cooling24 reports · 23% of complaints
Owner complaints106Filed with NHTSA
Recall relationshipNo recalls on fileNHTSA campaign records

What owners report most often

  1. Engine and engine cooling24
  2. Electrical system22
  3. Power train15
  4. Air bags13
  5. Fuel/propulsion system10
  6. Fuel system9
  7. Exterior lighting8
  8. Gasoline8

Recalls and investigations

No safety recalls on file.

Representative owner complaints: gasoline

8 reports, newest first. Show all

  1. Fuel system, Gasoline, Power train, Engine, Dec 14, 2013

    FUEL IS LEAKING FROM THE SENDING UNIT OF THE VEHICLE AND DOWN ONTO THE REAR WHEELS DIFFERENTIAL, THE VEHICLES FUEL TANK AND SENDER UNIT HAD BEEN REPLACED BY MERCEDES UNDER WARRANTY ON 11/25/03 MILEAGE IN 43088 MILEAGE OUT 43092 AT THE HOEHN CARLSBAD CA DEALER SHIP: INVOICE NUMBER 465553. THIS HAS NOW HAPPENED AGAIN AND I HAVE FOUND THAT THIS ISSUE IS NOT A LIMITED ISSUE TO MY VEHICLE BUT ONE THAT HAS IMPACTED ALL C CLASS AND E CLASS VEHICLES AND HAS AN ESTIMATED REPAIR COST OF $2,073.30. HOW IS DAIMLER AG ALLOWED TO SELL THESE VEHICLES THAT POSE AN EXTREME RICK THE PUBLIC AND PROPERTY IN THE US. I HAVE BEEN TOLD MY VEHICLE IS NOW NO LONGER COVERED UNDER ANY WARRANTY AND I WILL HAVE TO FOOT THE BILL TO REPAIR THIS OBVIOUS DESIGN FLOOR AND SUBSEQUENT MALFUNCTION THAT POSSES A LIFE THREATENING RISK TO ME AND MY FAMILY IF NOT RESOLVED ASAP. I DREAD TO THINK ABOUT ALL THE PRESENT MERCEDES C-CLASS AND E-CLASS OWNERS DRIVING AROUND IN A TICKING TIME BOMB JUST WAITING TO GO OFF, THERE MUST BE HUNDREDS OF THOUSANDS OF VEHICLES THAT HAVE DEFECTIVE FUEL SENDING UNITS/GAS TANKS LEAKING GAS DOWN AND AROUND HOT EXHAUST PIPES OF THEIR VEHICLES AND THEY ARE NOT AWARE OF THIS PERENNIALLY LIFE THREATENING MALFUNCTION BECAUSE DAIMLER AG HAS NOT RECALLED ALL VEHICLES OUTFITTED WITH RECOGNIZED DEFECTIVE FUEL SENDING UNITS/GAS TANKS AND RESOLVED THE TICKING TIME BOMBS. IT'S OBVIOUS TO ME WHATEVER ATTEMPT DAIMLER AG HAS TAKEN IS NOT ENOUGH TO MITIGATE ANY FURTHER DEFECTIVE FUEL SENDING UNITS/GAS TANKS. PLEASE ADVISE ON ANY WHETHER WE HAVE ANY RE-CAUSE WITH DAIMLER AG OR MERCEDES U.S.A TO GET THIS FRIGHTENING ISSUE RESOLVED FOR NOT ONLY ME BUT ALSO THE HUNDREDS OF THOUSANDS OF AMERICAN MOTORIST PRESENTLY DRIVING TICKING BOMBS. YOU MAY CONTACT ME ON DAYTIME PHONE NUMBER TO DISCUSS THIS ISSUE. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

  2. Fuel system, Gasoline, Oct 1, 2013

    THE FUEL TANK ON MY 2003 C32 LEAKED. THE SYMPTOM WAS A STRONG GAS ODOR INSIDE THE VEHICLE. UPON FURTHER INSPECTION, THERE WAS FUEL LEAKING FROM UNDER THE VEHICLE. I TOOK IT TO THE MECHANIC, AND HE DIAGNOSED IT AS A LEAKING FUEL TANK. WHEN HE REMOVED IT, HE SHOWED IT TO ME AND I SAW THE PART THAT WAS CRACKED, WHICH WAS BELOW THE REAR SEAT OF THE CAR. THERE APPEARS TO BE A WIDELY KNOWN MALFUNCTION WITH FUEL TANKS FOR MERCEDES. THIS WAS A VERY STRESSFUL EVENT, ESPECIALLY WITH FUEL LEAKING OUTSIDE THE CAR AND NOT KNOWING WHAT COULD HAPPEN (FIRE RISK, ETC). *TR

  3. Suspension, Fuel system, Gasoline, Power train, Exterior lighting, Visibility, Structure, Sep 11, 2008

    I PURCHASE MY 2003 MERCEDES FROM CARMAX IN 2 YEARS AGO. IT HAD 45,000 MILES WHEN I PURCHASED IT. FROM THE TIME I PURCHASE THIS CAR I HAD TO REPLACE THE SUNROOF MOTOR, REPLACE THE SHOCKS, REPLACE THE TRUCK LOCK, REPLACE THE FUEL TANK, AND I HAD SOME TRANSMISSION WORK DONE. MY BIGGEST PROBLEM IS HAVING TO REPLACE THE LOW BEAM LIGHTS EVERY 6 MONTHS. I SUSPECT THERE IS AN ELECTRICAL PROBLEM, BUT CANNOT COMPLETELY PROVE IT WITH THE MANUFACTURER. WITH 1 YEAR, I HAD TO REPLACE THE BULBS 3 TIMES. I HAD TO REPLACE THE FRONT LOW BEAM BULBS AND THE BRAKE LIGHTS. THIS IS SURPRISING SINCE THIS CAR (UNDER MY OWNERSHIP) HAS NEVER BEEN IN AN ACCIDENT. I AM SO DISAPPOINTED I PURCHASED THIS CAR! *TR

  4. Engine and engine cooling, Fuel system, Gasoline, Mar 27, 2008

    TL*THE CONTACT OWNS A 2003 MERCEDES BENZ C230. THE VEHICLE WOULD ONLY START AFTER SEVERAL ATTEMPTS. SOMETIMES AFTER THE VEHICLE WAS STARTED, IT WOULD FAIL AND NOT RESTART. THE DEALER STATED THAT THERE WAS A CRACK IN THE PCV HOSE. THE COST FOR THE REPAIR WAS $404.27. THE SAME DAY THE VEHICLE WAS REPAIRED, IT FAILED WHILE APPROACHING A RED LIGHT. THE FOLLOWING DAY, SHE RETURNED TO THE DEALER AND THEY STATED THAT THE FUEL PUMP NEEDED TO BE REPLACED. THE REPAIR COST WAS $389.82. THE CURRENT MILEAGE WAS 47,022 AND FAILURE MILEAGE WAS 46,646. UPDATED 05/05/08. *LJ UPDATED 05/05/08 *JB

  5. Fuel system, Gasoline, Air bags, Oct 25, 2005

    DT: THE CONTACT STATES THE AIRBAG SYSTEM FAILED TWICE IN THE PAST TEN MONTHS. THE ONBOARD COMPUTER SAID SRS WARNING DID NOT DRIVE AT THAT TIME,. THE VEHICLE HAD TO BE TOWED TO THE DEALERSHIP. THERE WAS A CODE RESET IN THE COMPUTER. THIS HAPPENED AGAIN, AND THEY REPLACED A FUSE BOX IN THE DASHBOARD. THE GAS GAUGE HAS ALSO GONE OUT TWICE IN ONE MONTH. THE DEALERSHIP DRAINED THE GAS AND RESET A COMPUTER CODE. WHEN IT HAPPENED AGAIN THEY HAD TO REPLACE A PART IN THE GAS TANK AND RESET THE COMPUTER CODE AGAIN. BOTH ITEMS WERE WORKING CORRECTLY AT THIS TIME.*AK

  6. Fuel system, Gasoline, Electrical system, Vehicle speed control, Oct 3, 2003

    THE FUEL GAUGE FAILED TO FUNCTION. IT DIDN'T REGISTER THE CORRECT GAS LEVEL IN THE TANK. THE DIGITAL CONSOLE LIGHT MALFUNCTIONED. IT WOULD EITHER NOT ILLUMINATE WHEN THE VEHICLE WAS STARTED OR WHEN ILLUMINATED IT WILL SUDDENLY GO OUT. THE VEHICLE HESITATED UPON ACCELERATION WHEN DRIVEN FOR LONG DISTANCES. *NLM

  7. Fuel system, Gasoline, Power train, Equipment, Aug 6, 2003

    VEHILE IS AN AUTOMATIC. VEHICLE "JERKS" HARD WHEN LIGHTLY APPLYING GAS. THIS CAN BE COMPARED TO STARTING IN FIRST GEAR (MANUAL TRANSMISSION) WHEN NOT FULLY DEPRESSING THE CORRECT COMBINATION OF GAS AND CLUTCH. THIS HAPPENS WHEN TRAVELING FROM A DEAD STOP AT A TRAFFIC LIGHT OR PULLING INTO A PARKING SPACE. HAVE HAD SEVERAL NEAR MISSES IN HITTING OTHER VEHICLES.*AK

  8. Fuel system, Gasoline, Oct 10, 2002

    CONSUMER STATES THAT VEHICLE IS TWO WEEKS OLD AND HAS A FUEL TANK PROBLEM. THE ENGINE LIGHT STAYS ILLUMNIATED. THE DEALER STATES A PART NEEDS TO BE REPLACED IN THE PLASTIC GAS TANK. PLEASE PROVIDE MORE INFORMATION. MR