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Climate control system
391
Front defroster
You can use this setting to defrost the
windshield, for example if it is iced up.
You can also defog the windshield and the
side windows.
i
Keep this setting selected only until the
windshield or the side windows are clear
again.
Activating
X
Press rocker switch y up or down.
The indicator lamp in the rocker switch
comes on.
The climate control switches to the following
functions automatically:
R
most efficient blower speed and heating
power, depending on outside temperature
R
air flows onto the windshield and the front
side windows
R
the air conditioning compressor switches
on at outside temperatures above
approximately 41‡ (5†) for air-drying
Adjustments
You can adjust the air volume and the
temperature when the front defroster is
switched on. The air flow will remain on the
windshield and front door windows.
X
Press rocker switch Q up or down to
increase or decrease air volume to the
desired level.
The air volume increases/decreases to the
next higher/lower blower speed and
heating switches to the temperature that
was set before the front defroster was
switched on.
The indicator lamp in rocker switch y
goes out.
or
X
Press rocker switches ® 2 and a
(Y page 385) up or down.
Heating switches to the temperature that
was set before the front defroster was
switched on.
The indicator lamp in rocker switch y
goes out.
i
The air conditioning compressor remains
on even with the indicator lamp in button
y goes out. This helps to prevent
windshield from fogging.
Deactivating
X
Press rocker switch y up or down.
The indicator lamp in the rocker switch
goes out.
The previous settings are once again in
effect, except air recirculation mode stays
off.
Windshield fogged on the outside
X
Switch the windshield wipers on
(Y page 323).
X
Press rocker switch U up or down.
The indicator lamp in the rocker switch
comes on.
Maximum cooling MAX COOL
MAX COOL is only operational when the
engine is running.
MAX COOL is only available in U.S. vehicles.
If U is selected on both the left and right
side and there is a high demand for cooling,
the display MAXCOOL appears in the COMAND
display.
This provides the fastest possible cooling of
the vehicle interior (when windows and tilt/
Controls in detail
Z