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Brake
Problem
Possible causes/consequences and X Solutions
!
The yellow ABS
indicator lamp
comes on while
the engine is
running.
The ABS has detected a malfunction and switched off. The BAS,
the EBB, the ESP
®
and the 4-ETS are also switched off (see
messages in multifunction display).
The brake system is still functioning normally but without the
systems specified above available.
If the ABS control unit is malfunctioning, other systems such as
the navigation system or the automatic transmission may also be
malfunctioning.
X
Continue driving with added caution. Wheels may lock during
hard braking, reducing steering capability.
X
Read and observe messages that may appear in the
multifunction display (Y page 196).
X
Have the system checked at an authorized Mercedes-Benz
Center as soon as possible.
Failure to follow these instructions increases the risk of an
accident.
!
The yellow ABS
indicator lamp
comes on while
the engine is
running.
The ABS has switched off due to insufficient power supply.
The battery might not be charged sufficiently.
When the voltage is above the required value again, the ABS is
operational again and the ABS indicator lamp should go out.
X
If the ABS indicator lamp does not go out: Have the alternator
and the battery checked.
X
If necessary, have the alternator and battery checked.
!
The yellow ABS
indicator lamp
comes on while
the engine is
running.
You have engaged the differential locks. The ABS, the BAS, the
EBB, the ESP
®
and the 4-ETS are switched off.
X
The driving systems will switch on again after the differential
locks have been disengaged.
214
What to do if …
Practical hints
463_AKB; 2; 52, en-US
d2ureepe, Version: 2.11.7.1
2008-12-02T10:52:11+01:00 - Seite 214