2011 Mercedes C-Class Owner's Manual - Page 206

204 Warning and indicator lamps in the instrument cluster G Warning On-board computer and displays Driving with the brake warning lamp illuminated can result in an accident. Have your brake system checked immediately if the brake warning lamp stays on. Do not add brake fluid before checking the brake system. Overfilling the brake fluid reservoir can result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be seriously burned. Seat belts Problem Possible causes/consequences and M Solutions 7 The seat belt warning lamp reminds the driver and front passenger to fasten their seat belts. After starting the engine, the red seat X Fasten your seat belt (Y page 50). belt warning lamp lights up for 6 seconds. 7 G Risk of injury After starting the The driver's seat belt is not fastened. engine, the red seat belt warning lamp lights X Fasten your seat belt (Y page 50). The warning tone ceases. up. In addition, a warning tone sounds for up to 6 seconds. 7 G Risk of injury The red seat belt The driver or front passenger has not fastened their seat belt. warning lamp lights up after the engine starts, X Fasten your seat belt (Y page 50). The warning lamp goes out. as soon as the driver's or the front-passenger G Risk of injury door is closed. There are objects on the front-passenger seat. X Remove the objects from the front-passenger seat and stow them in a secure place. The warning lamp goes out.