2009 Mercedes-Benz C300 exterior lighting problems
118 owner complaints filed with NHTSA name the exterior lighting on the 2009 Mercedes-Benz C300 — 20% of all complaints for this model year.
What owners report
“I have messages on my instrument panel stating I have airbag malfunction going on I also have tail lights that are not working and after trying to replace the bulbs it still don't work so obviously it's the light bulb panel so I went and looked at recalls and says that these are all recalls on my…”
filed May 8, 2026
“Check Right Tail and Brake Lamps warning light will not go off for months. They are working fine but the light won't go off. Googling on MB World, it shows Mercedes is aware of this problem and a recall is needed to get it corrected being safety issue with warning lights not working properly. See…”
filed Jan 6, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- In the affected vehicles, a poor electrical ground connection may result in the dimming…Campaign 14V177000 · Apr 11, 2014
Related service bulletins
Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the…
LI82.10-P-078301 · Service Bulletin/Repair Instructions · issued Apr 16, 2026Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp…
LI82.10-P-078301 · Service Bulletin/Repair Instructions · issued Mar 9, 2026Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp…
LI82.10-P-078301 · Service Bulletin/Repair Instructions · issued Feb 24, 2026
Exterior Lighting problems in other C300 years
| Year | Reports | Share |
|---|---|---|
| 2016 C300 | 4 | 1% |
| 2015 C300 | 1 | 0% |
| 2013 C300 | 3 | 1% |
| 2012 C300 | 4 | 2% |
| 2011 C300 | 20 | 4% |
| 2010 C300 | 48 | 11% |
| 2008 C300 | 108 | 16% |
Other reported problem areas on the 2009 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.