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Practical hints
What to do if ...
What to do if ...
Lamps in instrument cluster
Problem
-
The yellow ABS malfunction
indicator lamp comes on while
driving.
258
General information:
If a bulb in the instrument cluster fails to
come on during the bulb self-check when
Possible cause
The ABS has detected a malfunction and has
switched off. The BAS and the ESP are also
switched off (see messages in display).
The brake system is still functioning normally
but without the ABS available.
The charging voltage has fallen below ten
volts. The ABS has switched off.
turning the SmartKey in the starter switch
to position 2, have it checked and replaced
if necessary.
Suggested solution
Continue driving with added caution.
Wheels may lock during hard braking,
reducing steering capability.
Have the system checked at an autho-
rized Mercedes-Benz Center as soon
as possible.
Failure to follow these instructions
increases the risk of an accident.
Read and observe messages in the
display ( page 264).
When the voltage is above this value
again, the ABS is operational again.
If necessary, have the generator
(alternator) and battery checked.
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