Mercedes-Benz M-Class 2009 Owners Manual - Manual (Page 306)

Vehicle status messages in the multifunction display
304
Text messages
Safety systems
Display messages Possible cause/consequence Possible solution
ABS ABS, ESP
Inoperative
See Operator’s
Manual
The brake system is still functioning
normally but due to a malfunction, the
ABS, the BAS and the ESP
® are
unavailable.
X Continue driving with added caution. Wheels
may lock during hard braking, reducing
steering capability.
X Have the system checked at an authorized
Mercedes-Benz Center as soon as possible.
Failure to follow these instructions increases the
risk of an accident.
ABS ABS, ESP
Unavailable
See Operator’s
Manual
The self-diagnosis may not be completed
yet. The display will clear after driving a short distance
at a vehicle speed of above 12 mph (20 km/h).
ABS ABS, ESP
Unavailable
See Operator’s
Manual
The brake system still functions normally
but due to insufficient power supply, the
ABS, the BAS and the ESP
® are
unavailable.
When the voltage is above the required value
again, the ABS is operational again and the
message should disappear.
X If the message does not disappear: Have the
system checked at an authorized Mercedes-
Benz Center as soon as possible.
Practical hints