Mercedes-Benz M-Class 2010 Owners Manual - Manual (Page 276)

Display messages Possible causes/consequences and M Solutions
ESP Unavailabl
e See
Operator’s
Manual
The brake system still functions normally but due to
insufficient power supply the ESP
® , the BAS, and the
PRE-SAFE ® system are unavailable.
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
® , the BAS, and the PRE-SAFE ® system are 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.
ESP Unavailabl
e See
Operator’s
Manual
If the yellow ESP ® warning lamp d flashes while driving
and this message appears, the Electronic Traction System
(ETS/4-ETS) has switched off to prevent overheating of the
drive wheel brakes.
As soon as the brakes have cooled off, the Electronic Traction
System (ETS/4-ETS) switches on again.
The message in the multifunction display disappears and the
ESP
® warning lamp d goes out.
ESP Unavailabl
e See
Operator’s
Manual
The self-diagnosis may not be completed yet.
The display will clear after driving a short distance at a vehicle
speed of above 12 mph (20 km/h).
PRE-SAFE Inoperativ
e See
Operator’s
Manual
The PRE-SAFE ® system has failed. All other occupant safety
systems, such as the air bags, are still available.
X Contact an authorized Mercedes-Benz Center as soon as
possible.
274
Vehicle status messages in the multifunction display
Practical hints
164_AKB; 7; 31, en-US
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Version: 2.11.8.1
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