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Practical hints
What to do if …
¿ The yellow malfunction indicator
lamp comes on while driving.
The BAS or ESP is malfunctioning.
It is possible that the engine output will be re-
duced.
̈ Have the BAS/ESP checked at an au-
thorized Mercedes-Benz Light Truck
Center as soon as possible.
{ The yellow malfunction indicator
lamp comes on while driving.
4-ETS has switched off to prevent overheat-
ing of the brakes. Also see 4-ETS/ESP warn-
ing lamp (
୴ page 224).
As soon as the brakes have cooled off,
4-ETS switches on again.
The indicator lamp goes out.
4-ETS is malfunctioning and has switched off. ̈ Have the 4-ETS checked at your au-
thorized Mercedes-Benz Light Truck
Center as soon as possible.
ê The yellow LOW RANGE indicator
lamp blinks after one or more
switching conditions.
The gear selection conditions have not been
adhered to.
̈ Repeat the gear selection process
(
୴ page 118).
ê The yellow LOW RANGE indicator
lamp blinks after switching the
ignition on.
LOW RANGE mode is malfunctioning. Have the LOW RANGE mode checked at
your authorized Mercedes-Benz Light
Truck Center.
Problem Possible cause Suggested solution