IllustrationFUEL SYSTEM IS LEAKING GETTING CHECK ENGINE LIGHTS CAN'T PASS SMOG AND EGR HOSES THAT RUN DOWN BY THE SUPER CHARGER ARE LEAKING CAUSE THE RUBBER THEY USED KNOWING THIS WOULD HAPPEN ALL HAVE TO DO WITH THE CHECK ENGINE LIGHT ON
2004 Mercedes Benz C230
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2004 Mercedes Benz C230 do not stand out strongly from the model-year median of 39.
About this comparison →How this year compares
Owner complaints by model year
Compare all C230 years →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
20–25K
425–50K
850–75K
375–100K
4100–150K
1150K+
22 reports with mileage · 9 unknown
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.
- Electrical System. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Seat Belts. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports4 fire reports0 injury reports
Engine complaints
4 reportsTL* 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 MANUFACT…
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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
TL* THE CONTACT OWNS A 2004 MERCEDES BENZ C230. WHILE STARTING THE VEHICLE, THERE WAS A KNOCKING SOUND COMING FROM THE ENGINE COMPARTMENT AND THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER WHO DIAGNOSED THAT IF THE SOUND BECAME PROGRESSIVELY WORSE, THE INTAKE AND EXHAUST CAM SHAFT ADJUSTER, THE CEN…
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TL* THE CONTACT OWNS A 2004 MERCEDES BENZ C230. WHILE STARTING THE VEHICLE, THERE WAS A KNOCKING SOUND COMING FROM THE ENGINE COMPARTMENT AND THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER WHO DIAGNOSED THAT IF THE SOUND BECAME PROGRESSIVELY WORSE, THE INTAKE AND EXHAUST CAM SHAFT ADJUSTER, THE CENTER BOLTS FOR THE CAM SHAFT, AND THE CHAIN TENSIONER WOULD NEED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE RECURRED ON NUMEROUS OCCASIONS. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 59,000.
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…
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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
Official recalls
324V874000 · Visibility:sun/moon Roof Assembly
Nov 19, 2024
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please see the recall report for a complete list of models and model years. The glass sunroof panel may not be properly secured and can detach.
Consequence & remedy
Consequence: A detached sunroof panel can become a road hazard, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the sunroof panel as necessary, free of charge. Owner notification letters were mailed January 10, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of previous NHTSA recall number 22V-954. MBUSA's number for this recall is 2024120001/2/3.
22V954000 · Visibility:sun/moon Roof Assembly
Dec 23, 2022
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The glass sunroof panel may not be properly secured and may detach.
Consequence & remedy
Consequence: A detached sunroof panel may become a road hazard, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the sunroof panel as necessary free of charge. Owner notification letters were mailed February 3, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. This recall expands NHTSA recall number 19V-918. MBUSA's numbers for this recall are 2023010004, 2023010005, and 2023010006.
19V918000 · Visibility:sun/moon Roof Assembly
Dec 20, 2019
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2001-2011 vehicles. The bonding between the glass panel and the sliding roof frame may deteriorate, possibly resulting in the glass panel detaching from the vehicle. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V918-4126.pdf
Consequence & remedy
Consequence: A detached glass panel can separate from the vehicle and become a road hazard, increasing the risk of a crash.
Remedy: MBUSA will notify owners, and dealers will inspect the glass panel bonding and replace the sliding roof, as necessary, free of charge. The recall began July 10, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020040011.
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
0No exact-year investigations in this snapshot.