Mercedes-Benz M-Class 2015 Owners Manual - Manual (Page 151)

Switching the ZONE function on/off
X To switch on: 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 tem-
perature setting for the driver's side is not
adopted for the front-passenger side and
the rear compartment.
X
To switch off: 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 tem-
perature setting for the driver's side is
adopted for the front-passenger side and
the rear compartment.
Defrosting the windshield
General notes
You can use this function to defrost the wind-
shield or to defrost the inside of the wind-
shield and the side windows.
Switch off the "Windshield defrosting" func-
tion as soon as the windshield is clear again.
Switching on/off
X
Turn the SmartKey to position 2 in the igni-
tion 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 coun-
ter-clockwise:
Dual-zone 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.
Operating the climate control systems
149
Climate
control