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Controls in detail
Climate control
Deactivating the climate control
system
Deactivating
̈ Set the air volume control switch to
position 0.
Reactivating
̈ Set the air volume control switch to any
speed.
Air conditioning
The air conditioning is operational while
the engine is running and cools the interior
air to the temperature set by the operator.
Deactivating
It is possible to deactivate the air condi-
tioning (cooling) function of the climate
control system. The air in the vehicle will
then no longer be cooled or dehumidified.
̈ Press button °.
The indicator lamp on the button °
comes on.
Activating
Moist air can fog up the windows. You can
dehumidify the air with the air conditioner.
̈ Press button ° again.
The indicator lamp on the button °
goes out.
The air conditioner uses the refrigerant
R134a. This refrigerant is free of CFCs
which are harmful to the ozone layer.
i
Condensation may drip out from under-
neath the vehicle. This is normal and
not an indication of a malfunction.
!
If the ° button on the climate con-
trol panel starts to blink, this indicates
that the air conditioner is losing refrig-
erant. The compressor has turned itself
off. The air conditioner cannot be
turned on again.
ț Have the air conditioner checked at
the nearest authorized
Mercedes-Benz Light Truck Center.