Mercedes-Benz 2010 M-Class Operator's Manual page 176

3-zone automatic climate control
174
Function
: Temperature control, driver's
side
; Air distribution and air volume
(automatic mode)
= Front defroster
? Increasing air volume
A Air distribution (directs air
through the windshield and side
air vents)
B AC cooling on/off
Residual heat/ventilation
C Temperature control, passenger
side
D Operating the rear climate
control from the front
E Air distribution (directs air
through center and side air
vents)
F Air distribution (directs air
through the footwells and side
air vents)
G Air volume display
H Decreasing air volume
I Rear window defroster
J Air recirculation
Recommendation/Notes
i Set the temperature to 72‡
(22†).
i Switches on the automatic
mode. The indicator lamp in
button à comes on.
i Keep this setting selected
only until the windshield or the
side windows are clear again.
i
Switches on the air
conditioning. The indicator
lamp in button Á comes
on.
i With the engine turned off, it
is possible to continue to heat
or ventilate the interior.
i Set the temperature to 72‡
(22†).
i Only use this function for a
short time, e.g. in a tunnel.
Otherwise, the windows can
fog up due to lack of fresh air.
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