Mercedes-Benz 2007 S 550 Automobile User Manual


 
572
Practical hints
What to do if …?
Display Possible cause/consequence Possible solution
ABS and ESP
inoperative
See Oper. Manual
ABS, ESP
®
as well as PRE-SAFE
®
are
switched off due to a malfunction. BAS is
also switched off.
The brake system is still functioning nor-
mally but without the ABS available.
̈ Continue driving with added caution. Wheels
may lock during hard braking, reducing steer-
ing capability.
̈ Have the system checked at an authorized
Mercedes-Benz Center as soon as possible.
Failure to follow these instructions increases the
risk of an accident.
ABS and ESP
currently unavailable
See Oper. Manual
ABS, ESP
®
as well as PRE-SAFE
®
are not
available due to a malfunction. BAS is also
switched off. It is possible that the self-diag-
nostics have not yet been completed.
The brake system still functions normally.
̈ 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.
The ABS, ESP
®
as well as PRE-SAFE
®
were
deactivated because of insufficient power
supply. The charging voltage has fallen be-
low 10 volts.
The brake system still functions normally
but without the ABS, ESP
®
and PRE-SAFE
®
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.
If the message in the multifunction display does
not disappear:
̈ Have the generator (alternator) and the bat-
tery checked.