2016 Mercedes-Benz C300 power train problems
18 owner complaints filed with NHTSA name the power train on the 2016 Mercedes-Benz C300 — 6% of all complaints for this model year.
What owners report
“My C300 MBZ, 2016 is experiencing the same symptoms as indicated in a recall, but my vehicle is not included in that recall. Camshaft: GENERAL REPAIR A cam is a rotating or sliding piece in a mechanical linkage used especially in transforming rotary motion into linear motion or vice versa. Cams act…”
filed Apr 24, 2026
“I am reporting a structural failure of the rear subframe (axle carrier) on my 2016 Mercedes-Benz C300 (W205). The component is exhibiting significant internal-to-external corrosion (perforation), specifically at the suspension mounting points. Safety Impact: The vehicle is currently exhibiting…”
filed Apr 22, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
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
Power Train problems in other C300 years
| Year | Reports | Share |
|---|---|---|
| 2015 C300 | 20 | 5% |
| 2014 C300 | 1 | 1% |
| 2013 C300 | 3 | 1% |
| 2012 C300 | 5 | 2% |
| 2011 C300 | 10 | 2% |
| 2010 C300 | 15 | 3% |
| 2009 C300 | 5 | 1% |
| 2008 C300 | 16 | 2% |
Other reported problem areas on the 2016 Mercedes-Benz C300
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.