Mercedes Benz 2009 M-Class User Manual
227
Controls in detail
3-zone automatic climate control*
Adjusting air volume
Five blower speeds are available.
왘
Press button
to decrease or
button
Q to increase air volume
(
컄
page 222) to the desired level.
The indicator lamp on button
U
goes out.
The
AUTO
display disappears in the
display
e (
컄
page 222) and the auto-
matic mode is switched off. The select-
ed blower speed appears in the
display
ed blower speed appears in the
display
e (
컄
page 222).
Front defroster
You can use this setting to defrost the
windshield, such as when it is iced up. You
can also use it to defog the windshield and
side windows.
windshield, such as when it is iced up. You
can also use it to defog the windshield and
side windows.
Activating
왘
Press button
0 (
컄
page 222).
The indicator lamp on the button
comes on.
comes on.
The automatic climate control switches to
the following functions automatically:
the following functions automatically:
앫
maximum blower speed and heating
power
power
앫
air flows onto the windshield and the
front side windows (side air vents must
be open)
front side windows (side air vents must
be open)
앫
the air conditioning compressor
switches on at outside temperatures
above approximately 41°F (5°C) for
air-drying
switches on at outside temperatures
above approximately 41°F (5°C) for
air-drying
Deactivating
왘
Press button
0 (
컄
page 222).
The indicator lamp on the button goes
out. Defrosting is turned off.
out. Defrosting is turned off.
The previous settings are once again in
effect.
effect.
i
Keep this setting selected only until the
windshield or the side windows are clear again.
When the defrost setting has been selected, only
the rear window defroster can be switched on.
No other settings are possible.
the rear window defroster can be switched on.
No other settings are possible.
i
To switch off, you can also press
button
´ or U (
컄
page 222).