Mercedes-Benz 2013 M Class - Manual (Page 150)

Switching the ZONE function on/off
X To activate: press the á button.
The indicator lamp above the á button
lights up.
Dual-zone automatic climate control: the
temperature setting for the driver's side is
not adopted for the front-passenger side.
3-zone automatic climate control: the
temperature setting for the driver's side is
not adopted for the front-passenger side
and the rear compartment.
X To deactivate: press the á button.
The indicator lamp above the á button
goes out.
Dual-zone automatic climate control: the
temperature setting for the driver's side is
adopted for the front-passenger side.
3-zone automatic climate control: the
temperature setting for the driver's side is
adopted for the front-passenger side and
the rear compartment.
Defrosting the windshield
You can use this function to defrost the
windshield or to defrost the inside of the
windshield and the side windows.
Switch off the "defrosting" function as soon
as the windshield is clear again.
X Turn the SmartKey to position 2 in the
ignition lock ( Y page 157).
X To activate: press the ¬ button.
The indicator lamp in the ¬ button lights
up.
The climate control system switches to the
following functions:
R
high airflow
R
high temperature
R
air distribution to the windshield and
front side windows
R
air-recirculation mode off
X To deactivate: press the ¬ button.
The indicator lamp in the ¬ button goes
out. The previously selected settings are
restored. Air-recirculation mode remains
deactivated.
or
X Press the à button.
The indicator lamp in the ¬ button goes
out. Airflow and air distribution are set to
automatic mode.
or
X Turn controls : or B clockwise or
counter-clockwise:
Dual-zone automatic climate control
(
Y page 139)
3-zone automatic climate control
(
Y page 142)
or
X Press the K or I button.
MAX COOL maximum cooling
The MAX COOL function is only available in
vehicles for the USA.
MAX COOL is only operational when the
engine is running.
148
Operating the climate control systems
Climate control