What To Do If; Lamps In Instrument Cluster - Mercedes-Benz GL450 Operator's Manual

Practical hints

What to do if ...

Lamps in instrument cluster

Problem
-
The yellow ABS indicator lamp
comes on while the engine is
running.
430
General information:
If any of the following lamps in the instru-
ment cluster fails to come on during the
Possible cause/consequence
ABS has detected a malfunction and has
®
switched off. The BAS, ESP
are also switched off (see messages in multi-
function display).
The brake system is still functioning normally
but without the ABS available.
If the ABS control unit is malfunctioning,
other systems such as the navigation
system* or the automatic transmission may
also be malfunctioning.
The charging voltage has fallen below
10 volts. The ABS has switched off.
The battery might not be charged sufficiently.
bulb self-check when switching on the
ignition, have the respective bulb checked
and replaced if necessary.
Suggested solution
Continue driving with added caution.
, EBP and 4-ETS Wheels may lock during hard braking,
reducing steering capability.
Read and observe messages in the
multifunction display ( page 444).
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 an accident.
When the voltage is above this value
again, the ABS is operational again and
the ABS indicator lamp should go out.
If the ABS indicator lamp should go out:
Have the generator (alternator) and
the battery checked.