2012 Mercedes-Benz C300 service brakes problems
12 owner complaints filed with NHTSA name the service brakes on the 2012 Mercedes-Benz C300 — 5% of all complaints for this model year.
What owners report
“The subframe has developed extensive rust and corrosion, which I believe is a result of faulty manufacturing. This corrosion has severely compromised the structural integrity of the subframe, posing a serious safety risk. The corrosion appears to be inherent to the materials or design used in the…”
filed Sep 1, 2024
“Took my car for a doorknob repair and was told the whole subframe is rotted. They told me not to drive the car on the highway. The car brakes very hard to the right and always goes right while making cranking noises. Car feels very unsafe. I paid a lot of money for this and own a 2012 c300 4matic.”
filed Jun 4, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Service Brakes problems in other C300 years
| Year | Reports | Share |
|---|---|---|
| 2016 C300 | 9 | 3% |
| 2015 C300 | 9 | 2% |
| 2014 C300 | 2 | 2% |
| 2013 C300 | 14 | 5% |
| 2011 C300 | 9 | 2% |
| 2010 C300 | 6 | 1% |
| 2009 C300 | 19 | 3% |
| 2008 C300 | 15 | 2% |
Other reported problem areas on the 2012 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.