2005 Mercedes SL-Class Owner's Manual - Page 327

Practical hints What to do if ... Problem Possible cause The yellow ABS indicator lamp comes on while driving. The ABS has detected a malfunction and has switched off. The BAS and the ESP are also switched off (see messages in display). The SBC brake system is still functioning normally but without ABS available. Suggested solution Continue driving with added caution. Wheels may lock during hard braking, reducing steering capability. Have the system checked at an authorized Mercedes-Benz Center as soon as possible. - If the ABS control unit is malfunctioning, other systems such as Parktronic*, Distronic*, Failure to follow these instructions inor the automatic transmission may also be creases the risk of an accident. malfunctioning. Read and observe messages in the display ( page 335). The charging voltage has fallen below 10 volts and the ABS was switched off. The battery may not be sufficiently charged. Switch off electrical consumers that are currently not needed, e.g. seat heating. If necessary, have the generator and battery checked. When the voltage is above this value again, the ABS is operational again. 325