climate control MERCEDES-BENZ M-CLASS SUV 2011 Owner's Manual

Displa
ymessages Possible causes/consequences and
M Solutions
If th
eauxiliar yheating is faulty:
X Hav ethe auxil iaryh eatin gchecked at aqualified specialist
workshop. Adjusting th
eair vents Important safet
ynotes G
WARNING
Ver yhot or ver ycold ai rcan flo wfromt he air
vents. This coul dcause burns or frostbite to
bare skin in the immediate vicinity of the
vents. Keep bare skin away from these air
outlets. If necessary, direct the airflow away
to ad ifferent area of the vehicle interior.
In order to ensure the direct flow of fresh air
through the air vent sinto the vehicl einterior,
please observe the following notes:
R keep the air inlet grill eonthe bonnet and
in the engin ecompartmen tonthe front-
passenger side free of blockages, such as
ice, snow or leaves.
R never cover the ven tsor ven tilation grilles
in the vehicle interior.
i For virtually draught-free ventilation,
adjust the sliders of the air vent stothe
cen treposition. Setting the centre air vents
:
Centr eair vent ,left
; Centre air ven t, right =
Centre ven tthumbwheel, right
? Centre ven tthumbwheel, left
X To open/close: turnthumbwheels =
and ?to the right or left. Setting th
eside air vents X
To open/close: turnthumbwheel =up or
down. Setting th
eglove compartment air
vent
When automatic climate control is activated,
the glove compartmen tcan be cooled, for
instance to cool its con tents.The level of air-
flo wd epends on the airflow and air distribu-
tion settings.
At high outside temperatures, open the air
ven tand activate the "cooling with air dehu-
midification" function.
! Clos ethe air ven tifyou do not wish to
cool the glove compartmen toryou have
not switched on coolin gwith air dehumidi-
fication. Adjusting the air vents
135Climate control Z

Moisture-sensitive item
sstored in the
glove compartmen tcould otherwise be
damaged. :
Air ven tthumbwheel
; Air vent
X To open: turnthumbwheel :anti-cloc k-
wise.
X To close: turn thumbwheel :clockwise. Setting the rear-compartment air
vents
Setting the centre vents in the rear com-
partment Centre vent
sinthe rea rcompart ment with rear
control panel (example)
: Rear-compartment air vent thumbwheel
; Rear-compartment air vent, right
= Rear control panel
? Rear-compartment air vent, left
X To open/close: turn thumbwheel :up or
down. Setting the rear-compartment side air
vents Thes
erear-compartmen tside air vents are
only available if you have THERMOTRONIC
automatic climate control. :
Rear-compartment side air vent
; Thumbwheel for rear -compar tment side
air vent
X To open/close: turnthumbwheel ;to the
lef torr ight. 136
Adjusting the air ventsClimate control

X
Fold the piece of cut carpet ;in the direc-
tio noft he arrow.
X Adjust the right-hand front seat to its high-
est position.
X Position the right-hand front seat as far for-
wards as possible. Vehicle with THERMATIC automatic climate con-
trol
Removing the rear footwell outlet
(THERMATIC)
X Pull the head of expanding alignment
rivet ?up.
X Pull complete expanding alignment
rivet ?up and remove it.
X Pull rear footwell outlet =from the air duct
in the direction of the arrow and remove it. Vehicle with THERMOTRONIC automatic climate
control
Removing the air deflector
(THERMOTRONIC)
X
To disconnect the cable from air deflector
=,p ull the plug out of the socket.
X Pull the cable together with retaining
clip ?out of the battery cover.
X Slide air deflector =to the left towards the
centre of the vehicle. The right-hand air
deflector nozzle is no longer connected to
the air duct.
X Lift air deflector =up to the right.
X Pull air deflector =to the right in the direc-
tion of the arrow until the left-hand nozzle
is disconnected from the air duct.
X Remove air deflector =. X
Lift battery cover Aand remove it from
battery B. Battery
345Breakdown assistanc e Z