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Display messages
k
Diff. lock system malfunct.
Visit workshop
Diff. Lock System
overheated. Wait briefly.
m
Stop vehicle
Engage parking brake
Possible cause/consequence
The differential locks* are
malfunctioning.
The differential locks* are too hot
and have been deactivated as a re-
sult.
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.
Practical hints
What to do if ...
Possible solution
Do not drive faster than 50 mph
(80 km/h).
Have the vehicle checked at an autho-
rized Mercedes-Benz Light Truck
Center.
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.
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
( page 204).
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