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354
Practical hints
What to do if …?
Lamps in instrument cluster General information:
If any of the following lamps in the instru-
ment cluster fails to come on during the
bulb self-check when switching on ignition,
have the respective bulb checked and re-
placed if necessary.
Problem Possible cause Suggested solution
- The yellow ABS malfunction
indicator lamp comes on while
driving.
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.
̈ Continue driving with added caution.
Wheels will 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 in-
creases the risk of an accident.
̈ Read and observe messages in the
display (
୴ page 364).
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.
̈ If necessary, have the generator (al-
ternator) and battery checked.