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Controls in detail
Automatic climate control
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 automatic
climate control system. The air in the vehi-
cle will then no longer be cooled or dehu-
midified.
̈ Press button ° (୴ page 173).
The indicator lamp on the button °
comes on.
Activating
Moist air can fog up the windows. You can
dehumidify the air with the air condition-
ing.
̈ Press ° again (୴ page 173).
The indicator lamp on the button °
goes out.
The air conditioning system uses the refrig-
erant R134a. This refrigerant is free of
CFCs which are harmful to the ozone layer.
Residual heat and ventilation*
With the engine switched off, it is possible
to continue to heat or ventilate the interior
for up to 30 minutes. This feature makes
use of the residual heat produced by the
engine.
Activating
̈ Turn the SmartKey in the starter switch
to position 1 or 0, or remove it from
the starter switch.
̈ Press button ° (୴ page 173).
The indicator lamp on button °
comes on.
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 automatic cli-
mate control panel starts to flash, this
indicates that the air conditioning sys-
tem is losing refrigerant. The compres-
sor has turned itself off. The air
conditioning cannot be turned on
again.
Have the air conditioning system
checked at the nearest authorized
Mercedes-Benz Center.