2011 Mercedes GLK-Class Owner's Manual - Page 199

Warning and indicator lamps in the instrument cluster Safety systems Problem Possible causes/consequences and M Solutions 197 ! G Risk of accident The yellow ABS warning ABS (Anti-lock Brake System) is deactivated due to a malfunction. lamp is lit while the Therefore, ESP® (Electronic Stability Program), BAS (Brake Assist), engine is running. EBD (Electronic Brake force Distribution), hill start assist and ESP® trailer stabilization are also deactivated. The brake system continues to function normally, but without the functions listed above. The wheels could therefore lock if you brake hard, for example. X Observe the additional display messages in the multifunction display. X Drive on carefully. X Visit a qualified specialist workshop. If the ABS control unit is faulty, there is also a possibility that other systems, such as the navigation system or AUTOTRONIC, will not be available. ! G Risk of accident The yellow ABS warning ABS is temporarily unavailable. ESP®, BAS and EBD, for example, lamp is lit while the are therefore not available either. engine is running. Self diagnosis is not yet complete. The brake system continues to function normally, but without the functions listed above. The wheels could therefore lock if you brake hard, for example. X Carefully drive a suitable distance making slight steering movements at a speed above 12 mph (20 km/h). The functions mentioned above are available again when the warning lamp goes out. If the warning lamp is still on: X Observe the additional display messages in the multifunction display. X Drive on carefully. X Visit a qualified specialist workshop. Z On-board computer and displays