2008 Mercedes-Benz C300 service brakes problems
15 owner complaints filed with NHTSA name the service brakes on the 2008 Mercedes-Benz C300 — 2% of all complaints for this model year.
What owners report
“Certified Mercedes dealership confirmed that the subframe of my 2008 C300 is rusted and needs to be replaced which is under warranty. However, they are unwilling and do not acknowledge that the brake lines are also rusted and need to be replaced which is CAUSED by the rusted subframe. I first…”
filed Jul 27, 2025
“I honestly don’t know how Mercedes could have used such a cheap metal mix in their brake lines. Every single c300 made before 2012 is at extreme risk of brake failure every winter, the lines rust very easily and cause ruptures to happen as soon as you need to use your brakes in emergency. If you…”
filed Nov 20, 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% |
| 2012 C300 | 12 | 5% |
| 2011 C300 | 9 | 2% |
| 2010 C300 | 6 | 1% |
| 2009 C300 | 19 | 3% |
Other reported problem areas on the 2008 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.