2008 Mercedes-Benz C300 electrical system problems
228 owner complaints filed with NHTSA name the electrical system on the 2008 Mercedes-Benz C300 — 34% of all complaints for this model year.
What owners report
“The contact owns a 2008 Mercedes-Benz C300. The contact stated while at the car wash and attempting to wash the vehicle, there was popping sound coming from the vehicle, and the contact saw smoke coming from the speakers and called the Fire Department however, no damages were found. The vehicle was…”
filed Aug 1, 2025
“The contact owns a 2008 Mercedes-Benz C300. The contact stated that upon turning off the vehicle, there was an abnormal clicking sound coming from the vehicle. There was no warning light illuminated. The contact stated that the following day, the vehicle failed to start after several attempts and…”
filed Jul 23, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Various control units on these vehicles may have been updated with incorrect software…Campaign 17V177000 · Mar 14, 2017
Electrical System problems in other C300 years
| Year | Reports | Share |
|---|---|---|
| 2016 C300 | 32 | 11% |
| 2015 C300 | 50 | 13% |
| 2014 C300 | 9 | 10% |
| 2013 C300 | 18 | 7% |
| 2012 C300 | 12 | 5% |
| 2011 C300 | 43 | 9% |
| 2010 C300 | 84 | 19% |
| 2009 C300 | 198 | 34% |
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.