2011 Mercedes C-Class Owner's Manual - Page 196
2011 Mercedes C-Class Manual
Page 196 highlights
194 Display messages Display messages Possible causes/consequences and M Solutions The rear left or right side marker lamp is faulty. X Check whether you are permitted to change the bulb yourself (Y page 111). or X Visit a qualified specialist workshop. The left or right-hand daytime running light is defective. X Check whether you are permitted to change the bulb yourself (Y page 111). or X Visit a qualified specialist workshop. On-board computer and displays b Check Rear Sidemarker or Check Rear Sidemarker Left Lamp Right Lamp b Check Left Daytime Running Light or Check Right Daytime Running Light b Active Headlamps Inoperative The active light function is faulty. X Visit a qualified specialist workshop. The exterior lighting is faulty. X Visit a qualified specialist workshop. The light sensor is faulty. X Visit a qualified specialist workshop. The lights are still switched on when you leave the vehicle. A warning tone also sounds. X Turn the light switch to c. b Malfunction See Operator's Manual b Auto Lamp Function Inoperative b Switch Off Lights Engine Display messages Possible causes/consequences and M Solutions The coolant level is too low. X Add coolant, observing the warning notes when doing so (Y page 240). X If coolant needs adding more often than usual, have the engine coolant system checked at a qualified specialist workshop. + Check Coolant Level See Operator's Manual