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Practical hints
What to do if …
왔 What to do if …
Lamps in instrument cluster General information:
If a bulb in the instrument cluster fails to
light up during the bulb self-check when
turning the key in steering lock to
position 2, have it checked and replaced if
necessary.
Problem Possible cause Suggested solution
- The yellow ABS warning lamp
comes on while driving.
ABS has detected a malfunction and has
switched off. The BAS, ESP, 4-ETS and EBP
are also switched off.
The brake system is still functioning normally
but without ABS available.
왘 Continue driving with added caution.
Wheels may lock during hard braking
reducing steering capability.
왘 Have the system checked at an autho-
rized Mercedes-Benz Light Truck Cen-
ter as soon as possible.
Failure to follow these instructions in-
creases the risk of an accident.
The charging voltage has fallen below
10 volts. The ABS has switched off.
When the voltage is above this value
again, the ABS is operational again.
왘 If necessary, have the generator
(alternator) and the battery checked.
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