What To Do If; Lamps In Instrument Cluster - Mercedes-Benz S 430 Operator's Manual

Practical hints

What to do if ...?

Lamps in instrument cluster

General information:
Problem
-
The yellow Antilock Brake
System (ABS) indicator lamp
comes on while driving.
340
If any of the following lamps in the instru-
ment cluster fails to come on during the
bulb self-check when switching on the
Possible cause
The ABS has detected a malfunction and
has switched off. The BAS and the ESP are
also switched off (see messages in multi-
function display).
The brake system is still functioning nor-
mally but without the ABS available.
If the ABS control unit is malfunctioning,
other systems such as Parktronic*,
Distronic*, and the automatic transmission
may also be malfunctioning.
The charging voltage has fallen below
10 volts and the ABS has switched off.
The battery may not be charged sufficiently.
ignition, have the respective bulb checked
and replaced if necessary.
Suggested solution
Continue driving with added caution.
Wheels may lock during hard braking,
reducing steering capability.
Read and observe messages in the mul-
tifunction display ( page 353).
Have the system checked at an autho-
rized Mercedes-Benz Center as soon as
possible.
Failure to follow these instructions increas-
es the risk of an accident.
Switch off electrical consumers that are
currently not needed, e.g. seat heat-
ing*.
If necessary, have the generator
(alternator) and battery checked.
When the voltage is above this value again,
the ABS is operational again.