Setting the air distribution, Setting the airflow, To set the air distribution – Mercedes-Benz 2013 M Class User Manual
Page 149: To increase the airflow, To reduce the airflow, To direct the airflow through the rear air vents, To direct the airflow through the footwell vents, Climate control, Operating the climate control systems

Only change the temperature setting in
small increments. Start at 72 ‡ (22 †).
The temperature setting for the driver's
side is adopted for the rear compartment
and the front-passenger side.
X
To increase/decrease the rear
compartment temperature using the
rear control panel: turn control M
clockwise or counter-clockwise on the rear
control panel (
Only change the temperature setting in
small increments. Start at 72 ‡ (22 †).
Setting the air distribution
Air distribution settings
Front control panel
P
Directs the airflow through the center
vents
O
Directs air through the footwell air
vents
S
Directs the airflow through the center
and footwell vents
¯
Directs air through the defroster vents
b
Directs the airflow through the
defroster and center vents (Canada
only)
a
Directs air through the defroster and
footwell vents
_
Directs the airflow through the
defroster, center and footwell air vents
(Canada only)
Rear control panel
M
Directs the airflow through the rear
center and rear side air vents
O
Directs air through the footwell air
vents
i
Using the rear control panel, you can also
activate both air distribution positions
simultaneously. In order to do this, press
both air distribution buttons. The air is then
routed through all rear air vents.
i
Regardless of the air distribution setting,
airflow is always directed through the side
air vents. The side air vents can only be
closed when the controls on the side air
vents are turned downwards.
Adjusting
X
Turn the SmartKey to position
2 in the
X
Press the _ button repeatedly until the
desired symbol appears in the display.
Setting the airflow
X
Turn the SmartKey to position
2 in the
X
To increase: press the K button.
X
To reduce: press the I button.
i
You can use 3-zone automatic climate
control to set the airflow in the rear
compartment separately.
Operating the climate control systems
147
Climate control