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Practical hints
What to do if …
Display symbol Display messages Possible cause/consequence Possible solution
k
Diff. lock system malfunct.
Visit workshop
The differential locks* are
malfunctioning.
̈ Do not drive faster than 50 mph
(80 km/h).
̈ Have the vehicle checked at an autho-
rized Mercedes-Benz Light Truck
Center.
Diff. Lock System
overheated. Wait briefly.
The differential locks* are too hot
and have been deactivated as a re-
sult.
̈ Continue driving with added caution.
The lock function is unavailable.
̈ Wait for the lock system to cool down.
The differential locks will be reactivat-
ed as soon as they have cooled off.
m
Stop vehicle
Engage parking brake
A shifting procedure could not be
completed. LOW RANGE* is in neu-
tral position. There is no connection
between the engine and the drive
wheels.
̈ Do not attempt to continue driving.
You could otherwise damage the
vehicle’s drivetrain.
̈ Let the vehicle coast to a halt.
̈ Engage the parking brake.
̈ Perform the shifting procedure again
(
୴ page 204).