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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 adjust-
ed, because
ț you are driving too fast for the desired
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 279).
Malfunction
The air suspension is malfunctioning. ̈ 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.
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.
164.boo Seite 486 Freitag, 30. März 2007 12:54 12