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Practical hints
What to do if ...
Display message
ESP
unavailable
See Operator's Manual
442
Possible cause/consequence
®
The ESP
was deactivated because
of insufficient power supply. The
charging voltage has fallen below
10 volts.
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 electron-
ic traction system has switched off
to prevent overheating of the drive
wheel brakes.
The self-diagnosis has not been
completed yet.
Possible solution
When the voltage is above this value again, the
®
ESP
is operational again and the message in
the multifunction display should disappear.
If the message in the multifunction display
does disappear:
®
Have the generator (alternator) and the
battery checked.
As soon as the brakes have cooled off, the
electronic traction system switches on again.
The message in the multifunction display disap-
®
pears and the ESP
out.
The display will clear after driving a short
distance at a vehicle speed of above
12 mph (20 km/h).
warning lamp v goes
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