Important Safety Notes - Mercedes-Benz 2015 M-Class Operator's Manual

Setting the air vents
152
Switching on/off
To activate: press the Ì / Á button.
X
The indicator lamp in the Ì/Á but-
ton lights up.
i
The blower will run at a low speed regard-
less of the airflow setting.
i
If you activate the residual heat function
at high temperatures, only the ventilation
will be activated. The blower runs at
medium speed.
To deactivate: press the Ì/Á but-
X
ton.
The indicator lamp in the Ì/Á but-
ton goes out.
Residual heat is deactivated automatically:
after approximately 30 minutes
R
when the ignition is switched on
R
if the battery voltage drops
R
Setting the air vents

Important safety notes

WARNING
G
Very hot or very cold air can flow from the air
vents. This could result in burns or frostbite in
the immediate vicinity of the air vents. There
is a risk of injury.
Make sure that all vehicle occupants always
maintain a sufficient distance to the air out-
lets. If necessary, redirect the airflow to
another area of the vehicle interior.
In order to ensure the direct flow of fresh air
through the air vents into the vehicle interior,
please observe the following notes:
keep the air inlet grille on the hood and in
R
the engine compartment on the front-
passenger side free of blockages, such as
ice, snow or leaves.
never cover the air vents or air intake grilles
R
in the vehicle interior.
i
For virtually draft-free ventilation, adjust
the sliders of the air vents to the center
position.
Setting the center air vents
Center air vent, left
:
Center air vent, right
;
Center vent thumbwheel, right
=
Center vent thumbwheel, left
?
To open/close: turn thumbwheels =
X
and ? to the right or left.