2006 Mercedes-Benz C280 engine problems
13 owner complaints filed with NHTSA name the engine on the 2006 Mercedes-Benz C280 — 45% of all complaints for this model year.
What owners report
“The balance shaft sprocket in this car needs to be recalled. It has has known issues since it came out nearly 20 years ago. It can cause your whole engine to blow if not fixed. The fix is often more than the value of the car, around $7000. It is ridiculous. The part was not properly heat treated…”
filed May 29, 2025
“Our car was recalled on 07/03/2008, recall #08V303000, for problems relating to a number of types of mechanical and electrical malfunctions. One was the "(3) OBD SYSTEM MAY CAUSE THE CHECK ENGINE LIGHT TO ILLUMINATE INCORRECTLY; AND (4) THE SPEEDODOMETER MAY BE OUT OF TOLERANCE" This vehicle has…”
filed Dec 13, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Complaint Vehicle with atypical reduced heat output. Cause Silicate granulate may have escaped from a damaged bag in the expansion reservoir (not visible), reducing the coolant flow in the heater heat exchanger (see…
LI83.20-P-051802 · Service Bulletin/Repair Instructions · issued Apr 1, 2025
Other reported problem areas on the 2006 Mercedes-Benz C280
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.