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2004 Mercedes Benz C Class

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 7 of 15 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine And Engine Cooling. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

2 crash reports2 fire reports2 injury reports

What owners actually said

15 reports
123,000 miles · Oct 17, 2013
Fuel/propulsion System

I SMELLED STRONG VAPORS OF GAS INSIDE MY CAR AND OUTSIDE THE AREA. I LOOKED UNDER CAR GAS WAS POURING OUT FROM UNDER FUEL TANK . TOOK IT TO ( TOWED THAT IS) THE SHOP FIND FUEL TANK WAS DEFECTIVE ! FOUND HOLE IN THE TANK ON THE TAB IF THAT MAKES SENSE . THE SHOP CALLED AROUND FOR SAFETY RECALL AND MERCEDES SEE IF ANY OTHER INF…

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I SMELLED STRONG VAPORS OF GAS INSIDE MY CAR AND OUTSIDE THE AREA. I LOOKED UNDER CAR GAS WAS POURING OUT FROM UNDER FUEL TANK . TOOK IT TO ( TOWED THAT IS) THE SHOP FIND FUEL TANK WAS DEFECTIVE ! FOUND HOLE IN THE TANK ON THE TAB IF THAT MAKES SENSE . THE SHOP CALLED AROUND FOR SAFETY RECALL AND MERCEDES SEE IF ANY OTHER INFORMATION. I AM AWARE MERCEDES HAS HAD PROBLEM IN PAST WITH FUEL TANKS . THE SOP INFORMED ME IF I DROVE THIS CAR WITH HEAT FROM EXHAUST WOULD HAVE CAUGHT FIRE ., I AM TRYING TO CONTACT MERCEDES CORPORATE HEAD QUARTERS WITH NO LUCK . IS THERE ANYWAY I CAN REPORT FILE HAVE RECOURSE .THIS CAME TO 3000.00 OUT OF POCKET ! NOT MENTION IT COULD HAVE HAD SERIOUS CONSEQUENCES ! *TR

NHTSA ODI #10548199

58,000 miles · Jul 8, 2012
Electrical SystemPower TrainFireInjury

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 A…

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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

NHTSA ODI #10464581

Mileage unknown · Nov 21, 2011
Engine And Engine CoolingPower Train

2004 MERCEDES BENZ C- CLASS WAGON. CONSUMER WRITES IN REGARDS TO DEFECT THAT ALLOWS COOLANT TO LEAK INTO THE TRANSMISSION, REQUIRING REPLACEMENT OF THE TRANSMISSION, TORQUE CONVERTER AND RADIATOR *TGW THE CONSUMER STATED HE WAS FORCED TO SPEND OVER SIX THOUSAND DOLLARS TO HAVE THE TRANSMISSION REPLACED, TO CORRECT A DEFECT MERC…

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2004 MERCEDES BENZ C- CLASS WAGON. CONSUMER WRITES IN REGARDS TO DEFECT THAT ALLOWS COOLANT TO LEAK INTO THE TRANSMISSION, REQUIRING REPLACEMENT OF THE TRANSMISSION, TORQUE CONVERTER AND RADIATOR *TGW THE CONSUMER STATED HE WAS FORCED TO SPEND OVER SIX THOUSAND DOLLARS TO HAVE THE TRANSMISSION REPLACED, TO CORRECT A DEFECT MERCEDES BENZ WAS AWARE OF. *JB

NHTSA ODI #10437010

Mileage unknown · Jun 27, 2007
Air BagsCrashInjury

VEHICLE IS A C 320 AND WAS TRAVELING AT APPROXIMATELY 30 MILES PER HOUR WHEN ACCIDENT OCCURRED, RECEIVING SIGNIFICANT FRONT END COLLISION BY OTHER VEHICLE AND THEREAFTER HITTING A CONCRETE STREET DIVIDER.DRIVER RECEIVED INJURIES TO HEAD,UPPER AND LOWER BODY AND LEGS.

NHTSA ODI #10194822

Mileage unknown · Apr 10, 2007
Electrical SystemFire

I HAVE A 2004 MERCEDES C230 COMPRESSOR. YESTERDAY, I DROVE THE VEHICLE HOME AND AFTERWARDS LEFT IT PARKED. ALL OF A SUDDEN, THERE WAS SMOKE COMING FROM THE INTERIOR OF THE CAR. IT ENGULFED THE WHOLE VEHICLE IN SMOKE AND DAMAGED MOST OF THE INTERIOR. THE FIRE INVESTIGATOR CAME ,AND STATED THAT IT WAS FROM THE ELECTRICAL WIRES INS…

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I HAVE A 2004 MERCEDES C230 COMPRESSOR. YESTERDAY, I DROVE THE VEHICLE HOME AND AFTERWARDS LEFT IT PARKED. ALL OF A SUDDEN, THERE WAS SMOKE COMING FROM THE INTERIOR OF THE CAR. IT ENGULFED THE WHOLE VEHICLE IN SMOKE AND DAMAGED MOST OF THE INTERIOR. THE FIRE INVESTIGATOR CAME ,AND STATED THAT IT WAS FROM THE ELECTRICAL WIRES INSIDE THE DASHBOARD. *AK

NHTSA ODI #10187454

28,553 miles · Apr 24, 2006
Tires

THE SIDEWALL OF ONE OF THE TIRES MOUNTED ON THE CONSUMER'S 2004 MERCEDES BENZ C320W RIPPED AND CRACKED THE RIM. *NM AFTER THE SERVICE DEPARTMENT INSPECTED THE TIRE AND RIM, THEY DETERMINED DAMAGED TO BE ATTRIBUTED TO ROAD DAMAGE FROM IMPACT. *JB

NHTSA ODI #10157288

21,000 miles · Dec 30, 2005
Power Train

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

NHTSA ODI #10146555

Mileage unknown · Jul 25, 2005
Visibility

I WAS TRAVELING ON THE FREEWAY (APPROXIMATE SPEED 60 MPH) WHEN I HEARD SOMETHING HIT THE WINDSHIELD OF MY 2004 MERCEDES C240. THERE WAS NO IMMEDIATE SIGNS OF DAMAGE. HOWEVER, ABOUT 30 MINUTES LATER AFTER I HAD MADE STOP AND LATER RETURNED TO THE CAR I NOTICED A 12 INCH CRACK IN THE WINDSHIELD. I BELIEVE THERE IS A SERIOUS DESIG…

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I WAS TRAVELING ON THE FREEWAY (APPROXIMATE SPEED 60 MPH) WHEN I HEARD SOMETHING HIT THE WINDSHIELD OF MY 2004 MERCEDES C240. THERE WAS NO IMMEDIATE SIGNS OF DAMAGE. HOWEVER, ABOUT 30 MINUTES LATER AFTER I HAD MADE STOP AND LATER RETURNED TO THE CAR I NOTICED A 12 INCH CRACK IN THE WINDSHIELD. I BELIEVE THERE IS A SERIOUS DESIGN DEFECT WITH THE WINDSHIELDS IN MERCEDES. A CO-WORKER OF MINE HAS HAD TO REPLACE THE WINDSHIELD IN HER 2004 C320 MERCEDES TWICE WITHIN THE PAST 18 MONTHS. THE SERVICE REPS HAVE TOLD HER THAT THIS HAPPENS ON THE TIME, ESPECIALLY FOR COMMUTERS WHO TRAVEL THE 91 FREEWAY HERE IN SOUTHERN CALIFORNIA. I WOULD THINK THAT R&D WOULD HAVE DONE SUFFICIENT TESTING TO ENSURE THAT A WINDSHIELD COULD WITHSTAND CONTACT WITH A ROCK OR PEBBLE.

NHTSA ODI #10129944

Mileage unknown · Nov 27, 2004
SeatsSteeringVisibility

EVER SINCE I PURCHASED THIS VEHICLE I HAVA HAD PROBLEMS WITH IS FEATURES. POWER SEATS THAT MOVE BY THEMSELVES, AUTOMATIC DIMMING MIRRORS THAT TURN PITCH BLACK IN MIDDLE OF DAY, POWER TILT STEERING WHEEL THAT HAS UNPREDICITIBLE MOVES. AUTO WINDSHIELD WIPERS THAT DONT FUCNTION PROPERLY IN HEAVY DOWN POURS. THE SEATS ARE POWER AN…

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EVER SINCE I PURCHASED THIS VEHICLE I HAVA HAD PROBLEMS WITH IS FEATURES. POWER SEATS THAT MOVE BY THEMSELVES, AUTOMATIC DIMMING MIRRORS THAT TURN PITCH BLACK IN MIDDLE OF DAY, POWER TILT STEERING WHEEL THAT HAS UNPREDICITIBLE MOVES. AUTO WINDSHIELD WIPERS THAT DONT FUCNTION PROPERLY IN HEAVY DOWN POURS. THE SEATS ARE POWER AND THEY WILL MOVE ALL BY THEMSLEVES AND MOVE THE DRIVER EITHER INTO THE STEERING WHEEL OR PULL THE DRIVER BACK FROM THE WHEEL AND PEDALS. THE RAIN WIPERS DO NOT FUNCTION PROPERLY, DURNING HEAVY DOWNPOURS THEY JUST STOP WORKING MAKING DRIVING NEXT TO IMPOSSIBLE. THE AUTO DIMMING REAVIEW MIRROR TURNS ITCH BLACK FOR NO REASON IN MIDDLE OF DAY SO YOU CAN NOT USE MIRROR TO LOOK BEHIND YOU. I HAVE REPORTED ALL THESE PROBLEMS TO THE DEALER AND THEY SAY THEY ARE NORMAL, THEY CHECKED THEM OUT AND SAID THAT IF THEY ARE INTERMITTENT THEY WILL NEVER FIND ANY PROBLEMS AND THEY REFUSE TO TAKE CARE OF THE PROBLEM. THESE ARE MAJOR SAFETY HAZARDS TO DRIVERS AND SOMETHING NEEDS TO BE DONE.*AK

NHTSA ODI #10100612

Mileage unknown · Aug 25, 2004
Engine And Engine Cooling

WHILE DRIVING CONSUMER NOTICED STEAM COMING FROM UNDERNEATH THE VEHICLE. CONSUMER WAS ABLE TO PULL OVER TO SHOULDER, LIFTED UP THE HOOD, AND SMOKE CAME FROM THE ENGINE. CONSUMER HAD THE VEHICLE TOWED TO THE DEALER FOR INSPECTION. *AK

NHTSA ODI #10089776

Official recalls

1

03V534000 · Seat Belts

Dec 19, 2003

ON CERTAIN PASSENGER VEHICLES, SOME SEAT BELT BUCKLES MAY HAVE A BURR ON A METAL COMPONENT OF THE LOCKING MECHANISM. THE PRESENCE OF THE BURR COULD PREVENT THE SEAT BELT FROM LOCKING UNDER CERTAIN CIRCUMSTANCES.

Consequence & remedy

Consequence: IN THE EVENT OF A CRASH, THE SEAT OCCUPANT MAY NOT BE PROPERLY RESTRAINED, INCREASING THE RISK OF INJURY.

Remedy: DEALERS WILL REPLACE THE SEAT BELTS. OWNER NOTIFICATION BEGAN ON DECEMBER 22, 2003. OWNERS SHOULD CONTACT MERCEDES-BENZ AT 1-800-367-6372.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.