2011 Mercedes ML-Class Owner's Manual - Page 230

228 Display messages Brakes Display messages ABS ABS, ESP Unavailable See Operator's Manual Possible causes/consequences and M Solutions On-board computer and displays G Risk of accident ABS (Anti-lock Brake System) and ESP® (Electronic Stability Program) and therefore also PRE-SAFE® are temporarily unavailable. The self-diagnosis function might not be complete, for example. 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 short distance making slight steering movements at a speed above 12 mph (20 km/h) If the display message disappears, the functions mentioned above are available again. If the display message continues to be displayed: X X Drive on carefully. Visit a qualified specialist workshop. G Risk of accident ABS, ESP® and therefore also PRE-SAFE® are not available due to undervoltage. BAS has also been 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 Drive on carefully. X Visit a qualified specialist workshop immediately. ABS ABS, ESP Inoperative See Operator's Manual G Risk of accident ABS, ESP® and therefore also PRE-SAFE® are not available due to a malfunction. BAS has also been 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 Drive on carefully. X Visit a qualified specialist workshop immediately.