Mercedes-Benz S 450 4MATIC Operator's Manual page 674

Display
Turn On the Ignition
to Release the
Parking Brake
(USA only)
(Canada only)
Inoperative
See Oper. Manual
Possible cause/consequence
The yellow indicator lamp for the electronic
parking brake comes on.
You have tried to release the electronic
parking brake, but the ignition was not
switched on.
® ®
ESP as well as PRE-SAFE are switched off
due to a malfunction. In addition, the v
warning lamp in the instrument cluster
comes on.
The ABS may not be operational and the fol-
lowing systems are not available:
BAS and BAS Plus*
®
PRE-SAFE Brake*
Distronic Plus*
Cruise control
Hill start assist system
Practical hints
What to do if ...?
Possible solution
Switch on the ignition ( page 370).
Continue driving with added caution.
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.
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