Mercedes-Benz 2009 GL320 BlueTEC Operator's Manual page 223

Adjusting air volume
USA only
X
Decrease/increase: Press button
Q.
The automatic mode is switched off. The
selected blower speed is shown in air
volume display ( Y page 210).
b
Canada only
X
Decrease/increase: Press button
Q.
The automatic mode is switched off. The
selected blower speed appears in display
( Y page 213).
e
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 button |.
The indicator lamp in the button comes on.
or
·
The climate control switches to the
following functions automatically:
most efficient blower speed and heating
R
power, depending on outside
temperature
air flows onto the windshield and the
R
or
front door windows (side air vents must
·
be open)
the air conditioning compressor
R
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 button
Ï
to increase air volume to the desired
Q
level.
The air volume decreases/increases to the
next lower/higher blower speed and
heating switches to the temperature that
3-zone automatic climate control
was set before the front defroster was
switched on.
The indicator lamp in button
The indicator lamp in button
on.
or
X
Turn temperature control
(USA only) (
(Canada only) (
direction.
Heating switches to the temperature that
was set before the front defroster was
switched on.
The indicator lamp in button
The indicator lamp in button
on.
i
on even if the indicator lamp in button
|
windshield from fogging.
to decrease or button
Deactivating
X
Press button
The indicator lamp in the button goes out.
Defrosting is turned off.
Controls in detail
|
9
and/or
1
Y page 210) or and/or
1
Y page 213) slightly in any
|
9
The air conditioning compressor remains
goes out. This helps to prevent the
once more.
|
goes out.
comes
7
9
goes out.
comes
Z
221