Operation Manual

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 ESP
®
and the PRE-SAFE
®
are also switched off.
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 274).
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. The ABS indicator lamp should go out.
X
If the ABS indicator lamp does not go out: Have the alternator
and the battery checked.
!
The yellow ABS
indicator lamp
comes on while
the engine is
running.
The self-diagnosis has not been completed yet.
The indicator lamp will go out after driving a short distance at a
vehicle speed of above 12 mph
(20 km/h).
300
What to do if …
Practical hints
251_AKB; 4; 52, en-US
d2ureepe, Version: 2.11.8.1
2009-03-23T09:22:52+01:00 - Seite 300