Mercedes-Benz GL-Class 2012 Owners Manual - Manual (Page 147)

i Residual heat is deactivated
automatically:
R
after about 30 minutes
R
when the ignition is switched on
R if the battery voltage drops
R if the coolant temperature is too low
Setting the air vents
Important safety notes
G WARNING
When operating the climate control, the air
that enters the passenger compartment
through the air vents can be very hot or very
cold (depending on the set temperature). This
could cause burns or frostbite to unprotected
skin in the immediate area of the air vents.
Always keep sufficient distance between
unprotected parts of the body and the air
vents. If necessary, use the air distribution
adjustment to direct the air to air vents in the
vehicle interior that are not in the immediate
area of unprotected skin.
In order to ensure the direct flow of fresh air
through the air vents into the vehicle interior,
please observe the following notes:
R keep the air intake grille on the hood free
of blockages, such as ice, snow or leaves
R
never cover the air vents or air intake grille
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
X To open/close: turn thumbwheels =
and ? to the right or left.
Setting the side air vents
X To open/close: turn thumbwheel = to the
left or right.
i Side window defroster vent : is never
completely shut, even if side air vent ; is
shut.
Setting the air vents
145
Climate control
Z