One problem related to brake light has been reported for the 2009 Mercedes Benz C350. The most recently reported issues are listed below.
Passenger side rear brake light, directional signal, side marker, and rear light not operational. It started with the directional signal working on and off, it would work for a week or two and then once in a while it would malfunction. Now none of the lights are operational. Upon inspecting the inside of the socket assembly one of the wires looked completely corroded and upon touching it was very hot when the lights were on.
| Exterior Lighting problems | |
| Tail Light Switch problems | |
| Headlights problems | |
| Brake Light problems | |
| Headlight Switch problems |