2010 Mercedes-Benz C300 power train problems

15 owner complaints filed with NHTSA name the power train on the 2010 Mercedes-Benz C300 — 3% of all complaints for this model year.

Power Train complaints

share of all complaints

51,000 mi

median reported incident mileage

2 / 0

crash / fire reports

What owners report

“Tl* the contact owns a 2010 mercedes-benz c300. The contact stated that the vehicle stalled at start-up and while driving at various speeds. The battery failure warning light illuminated on the instrument panel. The vehicle was not taken to an independent mechanic nor a dealer to be diagnosed nor…”
filed Oct 26, 2020
“Tl* the contact owns a 2010 mercedes benz c300. The contact stated that while driving at slower speeds, an abnormal grinding sound was coming from engine without warning. The contact took the vehicle to mercedes-benz of fort washington located at (404 pennsylvania ave, fort washington, pa 19034)…”
filed Mar 12, 2020

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of travel. Note: Sound file in attachment Cause…
LI35.30-P-058566 · Service Bulletin/Repair Instructions · issued Jul 14, 2026
Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Note: Sound file in…
LI33.30-P-056665 · Service Bulletin/Repair Instructions · issued Nov 15, 2025