Mercedes-Benz 2010 M-Class Operator's Manual page 177

Function
K Interior temperature sensor
L Climate control on/off
Canada only
Function
: Temperature control, driver's
side
; Air distribution and air volume
(automatic mode)
= Air distribution, driver's side
(directs air through the
windshield and side air vents)
? Front defroster
A Increasing air volume
B Rear window defroster
3-zone automatic climate control
Recommendation/Notes
i Switches on the climate
control system. The indicator
lamp in button ^ goes out.
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.
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