Mercedes-Benz 2008 M-Class Operator's Manual page 448

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