2008 Mercedes CLS-Class Owner's Manual - Page 345

Practical hints What to do if ... Lamps in instrument cluster General information: If any of the following lamps in the instrument cluster fails to come on during the Possible cause/consequence The yellow ABS indicator lamp The ABS has detected a malfunction and has comes on while the engine is switched off. The BAS, EBP, ESP® and running. PRE-SAFE® are also switched off (see messages in multifunction display). The brake system is still functioning normally but without the ABS available. bulb self-check when switching on the 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 multifunction display ( page 358). Problem - Have the system checked at an authoIf the ABS control unit is malfunctioning, other rized Mercedes-Benz Center as soon systems such as the Parktronic system*, Disas possible. tronic*, navigation system*, or the automatic Failure to follow these instructions intransmission may also be malfunctioning. creases the risk of an accident. The charging voltage has fallen below 10 volts. When the voltage is above this value The ABS has switched off. again, the ABS is operational again and the ABS indicator lamp should go out. The battery may not be sufficiently charged. If the ABS indicator lamp does not go out: Have the generator (alternator) and battery checked. 344