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Practical hints
What to do if ...
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
486
Possible cause/consequence
The selected vehicle level cannot adjust-
ed, because
you are driving too fast for the desired
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.
Possible solution
Reduce vehicle speed.
Set the desired vehicle level again
( page 279).
Do not drive faster than 50 mph
(80 km/h) depending on the set vehi-
cle level.
Have the vehicle checked at an autho-
rized 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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