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Practical hints
What to do if …
Display Possible cause Suggested solution
BAS BRAKE ASSIST
NOT AVAILABLE!
The charging voltage has fallen below
10 volts and the BAS has switched off.
̈ When the voltage is above this value
again, the BAS is operational again.
̈ If necessary, have the generator and
battery checked.
BRAKE ASSIST
VISIT WORKSHOP!
The BAS has detected a malfunction and
switched off. The brake system is still func-
tioning normally but without the BAS avail-
able.
̈ Continue driving with added caution.
̈ Have the system checked at an au-
thorized Mercedes-Benz Center as
soon as possible.
Failure to follow these instructions in-
creases the risk of accident.
DISPLAY DEFECTIVE
VISIT WORKSHOP!
BAS or the BAS display is malfunctioning. ̈ Continue driving with added caution.
̈ Have the system checked at an au-
thorized Mercedes-Benz Center as
soon as possible.
Failure to follow these instructions in-
creases the risk of accident.