Mercedes-Benz C-CLASS WAGON C 240 Operator's Manual page 362

Practical hints
What to do if ...
Display message
ESP
unavailable
See Operator's Manual
360
Possible cause
The ESP was deactivated because of a
malfunction or interrupted power supply.
The ABS might not be operational.
The brake system is still functioning
normally but without the ESP available.
If the yellow ESP warning lamp v
flashes while driving and this message
appears, the electronic traction system
has switched off to prevent overheating
of the drive wheel brakes.
The self-diagnosis has not been
completed yet.
The brake system is still functioning
normally but without the ESP available.
The charging voltage has fallen below ten
volts. The ESP has switched off.
The battery might not be charged
sufficiently.
Possible solution
Continue driving with added caution.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Failure to follow these instructions
increases the risk of an accident.
As soon as the brakes have cooled off, the
electronic traction system switches on
again.
The display will clear after driving a short
distance at more than 12 mph (20 km/h).
Continue driving with added caution.
If necessary, have the generator and
battery checked.
When the voltage is above this value
again, the ESP is operational again.