Adjusting Air Distribution - Mercedes-Benz 2010 M-Class Operator's Manual

in small increments, preferably starting at
72‡ (22†).
X
Increasing/decreasing: Turn
temperature control : and/or C
( Y page 167) slightly clockwise or
counterclockwise.

Adjusting air distribution

The air distribution can be adjusted manually.
The symbols on the buttons represent the
following functions:
Symbol Function
Directs air to the windshield and
¯
side air vents
Directs air through the center
P
and side air vents
Directs air to the footwells and
O
side air vents
X
Press the desired air distribution button
¯, P, or O.
The indicator lamp in button à goes out.
The automatic mode is switched off. Air
distribution is controlled according to the
desired button.
Adjusting air volume
X
Decreasing/increasing: Press button
I or K.
The automatic mode is switched off. The
selected blower speed is shown in air
volume display G (
When using the Voice Control System, the
blower speed reduces automatically. When
the Voice Control System is not used
anymore, the blower speed increases to the
previously selected level.
Y page 167).
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.
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
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 I to decrease or button
K to increase air volume to the desired
level.
The air volume decreases/increases to the
next lower/higher blower speed and
heating switches to the temperature that
was set before the front defroster was
switched on.
Climate control
Z
171