2004 Mercedes Benz C230 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
31 owner complaints analyzed
3 distinct recall campaigns
65,500 mi median reported failure mileage
Scope: 2004 model year. Data snapshot: . 22 complaints include usable failure mileage.
Most common problems
Electrical System is the most frequently named component, appearing in 7 of 31 complaints (22.6%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 6 | 19.4% |
| Transmission and shifting | 3 | 9.7% |
| Braking behavior | 3 | 9.7% |
| Engine operation | 1 | 3.2% |
| Steering behavior | 1 | 3.2% |
| Fuel system concerns | 1 | 3.2% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Electrical System | 7 |
| Seat Belts | 5 |
| Engine | 4 |
| Engine And Engine Cooling | 4 |
| Fuel/Propulsion System | 3 |
| Fuel System, Gasoline | 2 |
| Power Train | 2 |
| Structure:Body | 2 |
Electrical System: 7; Seat Belts: 5; Engine: 4; Engine And Engine Cooling: 4; Fuel/Propulsion System: 3; Fuel System, Gasoline: 2; Power Train: 2; Structure:Body: 2
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 2 |
| 25,000 to 49,999 | 4 |
| 50,000 to 74,999 | 8 |
| 75,000 to 99,999 | 3 |
| 100,000 to 149,999 | 4 |
| 150,000 and above | 1 |
Under 25,000: 2; 25,000 to 49,999: 4; 50,000 to 74,999: 8; 75,000 to 99,999: 3; 100,000 to 149,999: 4; 150,000 and above: 1
50,000 to 74,999 miles has the most reports with usable mileage (8). 9 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2007 | 2 |
| 2008 | 3 |
| 2009 | 1 |
| 2010 | 6 |
| 2011 | 1 |
| 2012 | 3 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
2007: 2; 2008: 3; 2009: 1; 2010: 6; 2011: 1; 2012: 3; 2013: 1; 2014: 1; 2015: 3; 2016: 1; 2017: 2; 2018: 2; 2019: 1; 2020: 3; 2021: 1
Pattern summary
Electrical System leads the component reports. Electrical and battery issues appears in 6 complaint narratives. Transmission and shifting appears in 3 complaint narratives. Braking behavior appears in 3 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10250881 · 2008-12-05 (December 5, 2008)
MERCEDES BENZ C230 KOMPRESSOR SPORT SEDAN BEGAN TO LEAK OIL INTO THE CAM MAGNET SENSOR WHICH LEAD TO THE FAILURE OF THE ENGINE WIRING HARNESS, COSTING HUNDREDS OF DOLLARS TO REPLACE. MB HAS KNOWN OF THIS PROBLEM IN THE 111 AND 271 SERIES OF ENGINE FOR MANY YEARS. COSTING THE CONSUMER HUGE AMOUNTS OF MONEY FOR A PROBLEM THEY HAVE KNOWN ABOUT. NO PROBLEMS WITH THE CAR FLAKING OR SHOWING SIGNS OF LEAKING OIL UNTIL ITS TOO LATE. *TR
Owner-reported narrative. 46,000 miles reported. Look up ODI 10250881 at NHTSA ↗
Owner report 10267393 · 2009-04-30 (April 30, 2009)
THIS IS A 2004 MERCEDES C230. CHECK ENGINE LIGHT WENT ON. I WENT TO DEALER WITHIN 5 MILES OF WARNING LIGHT COMING ON. I WAS TOLD THAT THERE WAS AN OIL LEAK AND THAT IT HAD DRIPPED OVER SEVERAL COMPONENTS AND THE WIRING HARNESS. I WOULD COST $3,500 TO REPAIR BUT THEY ABSORBED THE LABOR COST AND IT SHOULD COST ABOUT $2,000. I HAVE NEVER MISSED A MAINTENANCE ON THIS CAR. THEY SAID THE THIS HAPPENS BECAUSE OF WHERE THE O2 SENSOR THAT LEAKED IS. IT SEEMS ODD TO HAVE MINOR ISSUE CAUSE SUCH ENORMOUS DAMAGE. *TR
Owner-reported narrative. 55,150 miles reported. Look up ODI 10267393 at NHTSA ↗
Owner report 10212438 · 2007-12-20 (December 20, 2007)
HESITATION (JERKING) UPON ACCELERATION, USUALLY DURING TURNS OR WHILE IN HEAVY TRAFFIC. THIS HAS BEEN AN ONGOING PROBLEM SINCE PURCHASE OF VEHICLE (NEW). I HAVE TAKEN IT IN FOR REPAIR FOR THIS PROBLEM NO LESS THAN SEVEN (7) TIMES, BUT THE PROBLEM STILL REMAINS. THERE IS ALSO A POPPING NOISE COMING FROM THE EXHAUST SYSTEM THAT OCCURS WHEN THE BRAKE IS ENGAGED AND THE VEHICLE IS IDLING. ATTEMPTS TO FIX THESE PROBLEMS CONSISTS OF THE FOLLOWING: CHARCOAL CANISTER SHUT OFF VALVE REPLACEMENT, LEAK IN CODUCTOR SLEEVE REPAIRED, PERFORMED ADAPTATION …
Owner-reported narrative. 12,444 miles reported. Look up ODI 10212438 at NHTSA ↗
Owner report 10508345 · 2013-04-15 (April 15, 2013)
NUMEROUS THINGS HAVE HAPPENED. THE CAR HAS 124,000 RIGHT NOW. THIS IS THE BIGGEST LEMON EVER!! -CAR CAUGHT FIRE AT MERCEDES - A/C BLOWER SHORTED OUT, CAUSING FUSE BOX TO CATCH FIRE AND BURNT UNDERNEATH DASH. THEY INFORMED ME THE TECHNICIAN RECEIVED MINOR BURNS WHEN TRYING TO PUT OUT THE FIRE. -NEW ALARM SIREN (IT WOULD GO OFF RANDOMLY) -2 ALTERNATORS (VOLTAGE REGULATOR GOES BAD) -NEW DOOR LOCK ON DRIVER AND PASSENGER SIDE DOORS -NEW RF SENSOR ON DRIVER DOOR FOR THE KEY-LESS REMOTE -2 NEW THERMOSTATS -1 DRIVER SIDE DOOR HANDLE -2 PASS…
Owner-reported narrative. 124,000 miles reported. Look up ODI 10508345 at NHTSA ↗
Owner report 10191314 · 2007-05-21 (May 21, 2007)
TL*THE CONTACT OWNS A 2004 MERCEDES BENZ C230. WHILE DRIVING 65 MPH, THE VEHICLE'S CHECK ENGINE LIGHT ILLUMINATED. THIS FAILURE OCCURRED ON FOUR OCCASIONS. AFTER THE FIRST FAILURE, THE VEHICLE WAS TAKEN TO THE DEALER WHO WAS UNABLE TO FIND ANY FAILURE. AFTER THE SECOND FAILURE, THE DEALER CHANGED THE BRAKES. DURING THE THIRD FAILURE, THE CONTACT WAS ALMOST INVOLVED IN A CRASH. THE VEHICLE SKID IN THE MIDDLE OF THE STREET AND WOULD NOT STOP. THE DEALER WAS TAKEN BACK TO THE DEALER AND SOME PARTS WERE REPLACED. DURING THE FOURTH FAILURE, …
Owner-reported narrative. 17,000 miles reported. Look up ODI 10191314 at NHTSA ↗
Owner report 10559504 · 2014-01-12 (January 12, 2014)
ENGINE STALLED WHILE WAITING FOR A LEFT TURN. HAVE A QUARTER TANK OF GAS. CHECK ENGINE LIGHT WAS ON. FAULT LIGHT DID NOT COME ON. CAR WAS PUSHED WHILE IN NEUTRAL BUT BREAKS DID NOT FUNCTION. ALMOST HIT A PARKED CAR. THIS IS THE SECOND TIME OF OCCURRENCE. REPAIR IS MORE THAN $1000. MECHANIC FOUND MOTOR OIL LEAKING ON ENGINE PARTS. IN 2003 ENGINE STALLED WHILE I WAS DRIVING ON A FWY. REPAIR WAS A FEW THOUSAND DOLLARS. *TR
Owner-reported narrative. 204,600 miles reported. Look up ODI 10559504 at NHTSA ↗
Owner report 10351492 · 2010-08-24 (August 24, 2010)
MERCEDES C230 KOMPRESSOR. THE BOLT THAT HOLDS THE ALTERNATOR BELT HAS BROKE 3 TIMES! WHEN THE BELT SLIPPED IT AFFECTED THE POWER STEERING AND I WAS UNABLE TO STEER! VERY SCARY, LUCKILY I WAS DRIVING UNDER 25 MPH AT THE TIME. THERE MUST BE A DEFAULT IN THE DESIGN FOR THIS TO KEEP HAPPENING! *TR
Owner-reported narrative. 55,000 miles reported. Look up ODI 10351492 at NHTSA ↗
Owner report 10672778 · 2015-01-15 (January 15, 2015)
THE FUEL TANK WILL ONLY FILL TO 3/4 AND THE VEHICLE HAS AN ODOR OF GASOLINE INSIDE AND OUTSIDE THE VEHICLE WHEN ATTEMPTING TO FILL THE TANK. THE VEHICLE WAS BROUGHT TO MERCEDES BENZ FOR SERVICE FOR THIS ISSUE AND THEY STATE THEY DO NOT KNOW HOW TO FIX IT AND HAVING SPENT APPROXIMATELY $1.000 FOR MERCEDES TO TRY AND DIAGNOSE THE PROBLEM THEY ADVISED THEY DON'T KNOW HOW TO FIX. I HAVE NOTED A RECALL FOR FUEL LEAK PROBE ON MERCEDES 2003-2008 E CLASS MODELS THAT HAS NOW BEEN CLOSED AFTER MERCEDES HAS AGREED TO FIX THE ISSUE. I CONTACTED MERCEDES NO…
Owner-reported narrative. 55,247 miles reported. Look up ODI 10672778 at NHTSA ↗