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Practical hints
What to do if …
What to do if …
Lamps in instrument cluster General information:
If a bulb in the instrument cluster fails to
light up during the bulb self-check when
turning the SmartKey in starter switch to
position 2, have it checked and replaced if
necessary.
Problem Possible cause Suggested solution
v The yellow ESP warning lamp
lights up and remains on while
driving.
You engaged the differential locks. The ABS,
ESP, BAS, EBB and 4-ETS are switched off.
̈ The driving systems will switch on
again after the differential locks have
been disengaged.
̈ Also note the messages in the multi-
function display (
୴ page 246).
The ESP is deactivated. Risk of accident!
Adapt your speed and driving to the prevail-
ing road conditions.
̈ Turn the ESP back on (୴ page 78).
If the ESP cannot be turned back on, have
the system checked at an authorized
Mercedes-Benz Light Truck Center as
soon as possible.
The ESP is deactivated because of interrupt-
ed power supply. The ABS may still be opera-
tional. The ESP has to be synchronized.
̈ Note the messages in the multifunc-
tion display (
୴ page 246).
The ESP, ABS, BAS, EBB or 4-ETS has detect-
ed a malfunction. All driving systems are
switched off. Risk of accident! Adapt your
speed and driving to the prevailing road con-
ditions.
̈ Note the messages in the multifunc-
tion display (
୴ page 246).