Mercedes-Benz GL-Class 2007 Owners Manual - Manual (Page 454)

453
Practical hints
What to do if …
Text messages
Display message Possible cause/consequence Possible solution
ABS inoperative
See Operator’s Manual The ABS has detected a malfunction
and has switched off.
The ESP ® and the BAS are also
deactivated.
The brake system is still functioning
normally but without the ABS avail-
able.
̈ Continue driving with added caution.
Wheels may lock during hard braking,
reducing steering capability.
̈ Have the system checked at an authorized
Mercedes-Benz Light Truck Center as soon
as possible.
Failure to follow these instructions increases
the risk of accident.
unavailable
See Operator’s Manual The ABS was deactivated because of
insufficient power supply. The charg-
ing voltage has fallen below 10 volts.
The brake system is still functioning
normally but without the ABS
available.
When the voltage is above this value again, the
ABS is operational again and the message in
the multifunction display should disappear.
If the message in the multifunction display
does not disappear:
̈ Have the generator (alternator) and the
battery checked.