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Practical hints
What to do if …
Display symbol Display message Possible cause/consequence Possible solution
n
Level Selection
Not Permitted
The selected vehicle level cannot ad-
justed, because
ț you are driving too fast for the de-
sired vehicle level
ț you are towing a trailer
ț you are using accessories that are
connected to the trailer power
socket, e.g. a bicycle rack
̈ Reduce vehicle speed.
̈ Set the desired vehicle level again
(
୴ page 257).
Malfunction
The air suspension* is malfunctioning. ̈ Do not drive faster than 50 mph
(80 km/h) depending on the set
vehicle level.
̈ Have the vehicle checked at an au-
thorized Mercedes-Benz Light
Truck Center.
Compressor
Cooling Down
You have selected a higher vehicle
level*. Due to frequent level changes
within a short period, the compressor
must first cool down.
̈ Let the compressor cool until the
message disappears.
The selected level will be set once
the compressor has cooled down.
!
When the message
Compressor Cooling
Down
appears in the multifunction display,
driving is still possible. Keep in mind that the
ride height of the vehicle is not yet reached, so
you can damage the underbody of the vehicle.
The selected level will be set once the compres-
sor has cooled.