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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.
왘 Press button °.
AC
OFF
in the display comes on.
Activating
Moist air can fog up the windows. You can
dehumidify the air with the air condition-
ing.
왘 Press ° again.
AC
OFF
in the display goes out.
The air conditioning uses the refrigerant
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
왘 Turn the SmartKey in the starter switch
to position 0 or 1, or remove it from
the starter switch.
왘 Press button °.
REST in the display comes on.
Deactivating
왘 Press button °.
REST in the display goes out.
i
Condensation may drip out from under-
neath the vehicle. This is normal and
not an indication of a malfunction.
!
If the air conditioning cannot be turned
on again, this indicates that the air con-
ditioning is losing refrigerant. The com-
pressor has turned itself off.
Have the air conditioning checked at
the nearest authorized Mercedes-Benz
Center.
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