Mercedes-Benz 2009 CLK-Class Operator's Manual page 284

Practical hints
Vehicle status messages in the multifunction display
Display messages
ESP Unavailable
See Operator's
Manual
ESP Unavailable
See Operator's
Manual
282
Possible cause/consequence
The brake system still functions normally
but due to insufficient power supply the
®
ESP is unavailable.
The ABS and the BAS may not be
operational.
®
The ESP is temporarily not available.
The self-diagnosis may not be completed
yet.
The ABS and the BAS may not be
operational.
The brake system is still functioning
normally but without the systems
specified above available.
Possible solution
X
Continue driving with added caution. Wheels
may lock during hard braking, reducing
steering capability.
When the voltage is above the required value
again, the ESP ® is operational again and the
message in the multifunction display should
disappear.
If the message in the multifunction display does
not disappear:
X
Have the alternator and the battery checked.
X
Have the system checked at an authorized
Mercedes-Benz Center as soon as possible.
X
Drive a short distance with added caution at a
vehicle speed of above 12 mph (20 km/h).
When the message disappears, the ESP
available again.
If the message does not disappear:
X
Continue driving with added caution. Wheels
may lock during hard braking, reducing
steering capability.
X
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.
®
is