TL* THE CONTACT OWNS A 2005 MERCEDES BENZ C230. THE CONTACT WAS DRIVING APPROXIMATELY 60 MPH WHEN THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE WARNING LIGHT REMAINED ILLUMINATED UNTIL THE ENGINE WAS SHUT OFF. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR DIAGNOSIS. THE TECHNICIAN INFORMED THE CONTACT THAT THE CAMSHAFT SOLENOID HAD LEAKED OIL INTO THE ENGINE WIRING HARNESS AND CONTROL MODULE…
2005 Mercedes-Benz C-Class engine problems
severe 18 complaints filed with NHTSA · avg repair $3,100
Complaints
18
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 3 most recent
VEHICLE WAS LEAKING TRANSMISSION FLUID, AND AIR PRESSURE WAS DEFECTIVE ALL OF THESE DEFECTS WERE DISCOVERED BY THE DEALER. AFTER THE VEHICLE WAS SERVICED IT WOULD NOT START.*AK
I HAVE HAD 2 INSTANCES WHERE I START DRIVING AND THE CAR LOSES POWER AND THEN WILL REGAIN POWER. IT IS WITHIN THE FIRST 5-10 MINUTES OF DRIVING AND IS EXTREMELY DANGEROUS AND COULD CAUSE ACCIDENTS. SERVICE HAS NOT BEEN ABLE TO FIND PROBLEM. 4 OTHER FRIENDS HAVE INDICATED THEY ARE HAVING THE SAME PROBLEM WITH LOSS OF POWER. MOST ARE THE SAME MODEL. *JB
Common questions
How serious is the engine problem on the 2005 Mercedes-Benz C-Class?
It's a meaningful issue. 18 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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