2011 Mercedes C-Class Owner's Manual - Page 205
2011 Mercedes C-Class Manual
Page 205 highlights
Warning and indicator lamps in the instrument cluster Display messages Possible causes/consequences and M Solutions The KEYLESS-GO key has been detected inside the vehicle during locking. X Remove the KEYLESS-GO key from the vehicle. KEYLESS-GO is temporarily malfunctioning or is defective. A warning tone also sounds. X Insert the SmartKey into the ignition lock and turn it to the desired position. X Visit a qualified specialist workshop. At least one door is open. A warning tone also sounds. X Close all doors and lock the vehicle again. 203 + Key Detected in Vehicle + Remove 'Start' Button and Insert Key + Close Doors to Lock Vehicle Warning and indicator lamps in the instrument cluster Brakes Problem Possible causes/consequences and M Solutions $ (USA only) You are driving with the parking brake engaged. J (Canada only) X Release the parking brake. The warning lamp goes out and the warning tone ceases. The red brake system warning lamp comes on while the vehicle is moving. A warning tone also sounds. $ (USA only) G Risk of accident J (Canada only) There is insufficient brake fluid in the fluid reservoir. The red brake system X Pull over and stop the vehicle safely as soon as possible, paying warning lamp comes on attention to road and traffic conditions. Do not continue driving while the engine is under any circumstances. running. A warning tone X Engage the parking brake. also sounds. X Consult a qualified specialist workshop immediately. X Observe the additional display messages in the multifunction display. Do not add brake fluid. This will not rectify the problem. Z On-board computer and displays