Mercedes-Benz 2003 S 430 Operator's Manual page 291

Problem
- The yellow ABS malfunction indi-
cator lamp comes on while driv-
ing.
l The red Distronic warning lamp
lights up while driving.
l The red Distronic warning lamp
comes on while driving and you
hear a warning sound.
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.
If the ABS control unit is malfunctioning, oth-
er systems such as Parktronic*, Distronic*,
the navigation system, and the automatic
transmission can also malfunction.
The charging voltage has fallen below
10 volts and the ABS has switched off.
You are too close to the vehicle in front of you
to maintain selected speed.
You are gaining too rapidly on the vehicle
ahead of you.
The distance warning system has recog-
nized a stationary obstacle on your prob-
able line of travel.
Practical hints
What to do if ...?
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 in-
creases the risk of an accident.
When the voltage is above this value
again, the ABS is operational again.
If necessary, have the generator and
battery checked.
Apply the brakes immediately to in-
crease the following distance.
Apply the brakes immediately.
Carefully observe the traffic situation.
You may need to brake or maneuver
to avoid hitting an obstacle.
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