2008 Mercedes CL-Class Owner's Manual - Page 643

Practical hints What to do if ...? Display Possible cause/consequence ABS and ESP ABS, ESP as well as PRE-SAFE are not Currently Unavailable available due to a malfunction. BAS is also See Oper. Manual switched off. It is possible that the self-diagnostics have not yet been completed. The brake system still functions normally. BAS Plus* and PRE-SAFE® Brake* are also not available. The ABS, ESP® as well as PRE-SAFE® were deactivated because of insufficient power supply. The charging voltage has fallen below 10 volts. ® ® Possible solution Drive a short distance with gentle turns above a speed of 12 mph (20 km/h). The message disappears when ABS and ESP® are again available. When the voltage is above this value again, the ABS, ESP® and PRE-SAFE® are operational again and the message in the multifunction display should disappear. The brake system still functions normally If the message in the multifunction display does but without the ABS, ESP® and PRE-SAFE® not disappear: available. Have the generator (alternator) and the batBAS Plus* and PRE-SAFE® Brake* are also tery checked. not available. 642