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Practical hints
What to do if …
Text messages
Display message Possible cause/consequence Possible solution
ABS
ABS, ESP
Inoperative
See Operator’s Man.
The ABS, ESP
®
as well as PRE-SAFE
®
have
switched off due to a malfunction.
BAS is also switched off.
The brake system is still functioning nor-
mally but without the ABS, BAS, ESP
®
and
PRE-SAFE
®
available.
̈ Continue driving with added caution. Wheels
will lock during hard braking, reducing steering
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
ABS, ESP
Unavailable
See Operator’s Man.
The ABS, ESP
®
as well as PRE-SAFE
®
were
deactivated because of insufficient power
supply. The charging voltage has fallen be-
low 10 volts.
BAS is also switched off.
The brake system still functions normally
but without ABS, BAS, 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 should disappear.
If the message does not disappear:
̈ Have the system checked at an authorized
Mercedes-Benz Center as soon as possible.