2011 MERCEDES-BENZ M-CLASS SUV roof

X
Tur nthe key to position 1or 2in the ignition
lock.
X Press or pull the 2switchinthe corre-
sponding direction.
i If you press the 2switchbeyond the
point of resistance, an automatic opening/
closing process is star tedint he corre-
sponding direction .You can stop automatic
operation by pressin gagain.
The sun protection cover automatically opens
along with the slidin gsunroof. You can open
or close the sun protection cover manually
when the sliding sunroof is raised or closed.
Rain closin gfeature When the key is in position
0in the ignition
lock or is removed, the sliding sunroof closes
automatically:
R if it start storain
R at extreme outside temperatures
R after six hours
R if there is amalfunction in the power supply
The rear of the sliding sunroof is then raised
in order to ventilate the vehicle interior.
i If the sliding sunroof is obstructed when
being closed by the rain closing feature, it
opens again slightly. The rain closing fea-
ture is then deactivated.
The sliding sunroof does not close if:
R it is raised at the rear.
R it is blocked.
R no rain is falling on the area of the wind-
screen being monitored by the rain sensor
(e.g. because the vehicle is under abridge
or in acarport).
Resetting Reset the sliding sunroof if it does not move
smoothly. X
Turn the key to position 1or 2in the ignition
lock.
X Raise the sliding sunroof fully at the rear
(Y page 86).
X Keep the 2switch presse dfor another
second.
X Make sure that the slidin gsunroof can be
fully opened and closed again (Y page 86).
X If this is not the case, repeat the steps
above again.
! If the sliding sunroof still cannot be
opened or closed fully after resetting, con-
tact aqualified specialist workshop. Operating the panorama slidin
gsun-
roof
Opening and closi ng Overhead con
trol panel
: To raise
; To open
= To close/lower
X Turn the key to position 1or 2in the ignition
lock.
X Push or pull the 2switch in the corre-
sponding direction.
i If you press the 2switch beyond the
point of resistan ce,ana utomatic opening/
closing process is started in the corre-
sponding direction. You can stop automatic
operation by pressing again. Sliding sunroof
87Openingand closing Z

Rain closin
gfeature Whe
nthe key is in position 0in the ignition
lock or is removed ,the panorama slidin gsun-
roof closes automatically:
R if it starts to rain
R at extreme outsid etemperatures
R after six hours
R if there is amalfunction in the power supply
The panorama sliding sunroof remains raised
at the rear in order to allow ventilation of the
vehicle interior.
i If the panorama sliding sunroof is obstruc-
ted when being closed by the rain closing
feature, it opens again slightly. The rain
closing feature is then deactivated.
The panorama sliding sunroof does not close
if:
R it is raised at the rear.
R it is blocked.
R no rain is falling on the area of the wind-
screen being monitored by the rain sensor
(e.g. because the vehicle is under abridge
or in acarport). Operating the panoram
asliding sun-
roof roller sunblinds
Genera lnotes The roller sunblinds shield the vehicle interior
from sunlight. The two roller sunblinds can
only be opened and closed together when the
panoram asliding sunroof is closed. G
WARNING
Make sure that nobody can become trapped
as you open or close the roller sunblinds. Opening and closing Overhead control panel
:
To open
; To open
= To close
X Turn the key to position 1or 2in the ignition
lock.
X Press or pull the 2switch in the corre-
sponding direction.
i If you press the 2switch beyond the
point of resistance, an automatic opening/
closing process is started in the corre-
sponding direction. You can stop automatic
operation by pressing again.
Resetting the panora masliding sunroof
and th eroller sunblinds Reset the panorama sliding sunroof and the
roller sunblinds if the panorama sliding sun-
roof or the roller sunblinds do not move
smoothly.
X Turn the key to position 1or 2in the ignition
lock.
X Pull the 2switchrepeatedly to the point
of resistanc einthe direction of arrow =
until the pano rama sliding sunroof is fully
closed.
X Kee pswitch 2pulled for an additional
second.
X Pull the 2switchrepeatedly to the point
of resistanc einthe direction of arrow =
until the roller sunblinds ar efully closed. 88
Sliding sunroofOpenin
gand closing

X
Kee pswitch 2pulled for an additional
second.
X Make sure that the panorama sliding sun-
roof (Y page 87) and the rolle rsunblinds
(Y page 88 )can be fully opened again.
X If this is no tthe case ,repeat the steps
above again.
! If the panorama sliding sunroof and the
roller sunblin dcannot be fully opened or
closed after resetting, contact aqualified
specialist workshop. Problems with the slidin
gsunroof
Your vehicl emay be fitted with asliding sun-
roof or apanorama sliding sunroof. In the fol-
lowing section, the term "sliding sunroof"
refers to both types of sliding sunroof.
Problem: the sunroof cannot be closed
and you cannot see the cause. G
WARNING
You could be severely or even fatally injured
when closing the sliding sunroof with
increased closing force or if the anti-entrap-
ment feature is deactivated. Make sure that
nobody can become trapped when closing the
sliding sunroof.
If the sliding sunroof is obstructed during
closing and reopens again slightly:
X Immediately after the sliding sunroof
blocks, pull the 2switch in the over-
head control panel down to the point of
resistance and hold it until the sliding sun-
roof is closed.
The sliding sunroof is closed with increased
force.
If the sliding sunroof is obstructed again dur-
ing closing and reopens again slightly:
X Immediately after the sliding sunroof
blocks, pull the 2switch in the over-
head control panel down to the point of resistance and hold it until the sliding sun-
roof is closed.
The sliding sunroof is closed without the
anti-entrapment feature. Sliding sunroof
89Openingand closing Z

i
If th ebattery voltage is too low, the seat
heating may switch off. Driver's and front-passenger seat
Rear-compartment seats
The system automaticall
yswitches down
from level 3to level 2after approximately
eight minutes.
The system automaticall yswitches down
from level 2to level 1after approximately ten
minutes.
The system automatically switches off
approximately 35 minutes after it is set to
level 1.
X Make sure that the key is in position 1or
2 in the ignition lock.
X To switch on: press button:repeatedly
until the desire dheatin glevel is set.
X To switch off: press button:repeatedly
until all the indicator lam psgo out. Problems with th
eseat heating The seat heating has switched off prema-
turely or cannot be switched on. The vehicle's
electrical system voltage is too low because
too many electrical consumer sare switched
on.
X Switch off electrica lconsumers that you do
not need, such as the rea rwindow heating
or interior lighting. Switching the seat ventilation on/off
Activating/deactivating The three blu
eindicato rlamps in the buttons
indicate the ventilation level you have selec-
ted.
i If the battery voltage is too low, the seat
ventilation may switch off. X
Make sure that the key is in position 1or
2 in the ignition lock.
X To switch on: press button:repeatedly
until the desire dventilation level is set.
i You can open the side windows and the
sliding sunroof using the "Convenience
opening" featur e(Ypage 84). The seat ven-
tilation of the driver' sseat automatically
switches to the highest level.
X To switc hoff:press button :repeatedly
until all th eindicato rlamps go out. Seats
97Seats,steeri ngwheel and mirrors Z

Usefu
linfor mati on
i This Owner's Manual describes all models
and all standard and optional equipment
available to your vehicle at the time of pub-
lication of the Owner's Manual. Country-
specific deviation sare possible .Please
not ethat your vehicle ma ynot be equipped
with all featur es described. This also
applies to safety-releva ntsystems and
functions.
i Please read the information on qualified
specialist workshops (Y page 24).Ove
rview of climat econtro lsystems Im
portan tsafety notes G
WA
RNING
Observ ethe setting srecommended on the
following pages. Otherwise ,the wind ows
coul dmist up. This may obstruct your view of
the traffic situation and, as aresult ,you may
cause an accident.
THERMATI Cautomatic climat econtrol/
THERMOTRON ICautomatic climat econtrol
controls the tempera tureand the humidit yof
the vehicle interior and filters out undesirable
subs tances fro mthe air.
THERMATIC/T HERMOTRONIC automatic cli-
mate control is only operational when the
engine is running. 9
Optimum operatio nisonly
achieved if you drive with the sid ewindows
and sliding sunroof/panoram asliding sun-
roof closed.
i Ventilate the vehicle for abriefp eriod
during war mweather ,e.g. using the con-
venience opening feature (Y page84). This
wil lspeed up the cooling process and the
desired vehicle interior temperatur ewill be
reached more quickly.
i The integrated filter can filter out most
particles of dust and completely filter sout pollen.
Aclogged filter reduces the amount
of air supplied to the vehicle interior .For
this reason, you should always observ ethe
interval for replacing the filter ,which is
specifie dinthe Servic eBooklet .Asit
depends on environmental conditions, e.g.
heavy air pollution, the interval may be
shorter than stated in the Servic eBooklet.
9 The residual heat function can only be activated/deactivate dwhen the ignition is switched off. 120
Overview of climat
econtrol systemsClimate control

matically
,the indicator lam pint he d
button is not lit.
Outside air is added after about 30
minutes.
X To switch off: press thedbutton.
The indicator lam pint he d button goes
out.
i Air-recirculation mode deactivates auto-
matically:
R after approximately fiv eminutes at out-
side temperatures below approximately
5†
R after approximately five minutes if cool-
ing with air dehumidification is deactiva-
ted
R after approximately 30 minutes at out-
sid etemperatures above approximately
5†
R if you press the ¿/Ábutton and
switch on cooling with air dehumidifica-
tion Convenienc
eopening/closin gusing
th ea ir-recirculation button G
WARNING
Make sure that nobody can become trapped
between the side window and the door frame
as the side windows are opened and closed.
Make sure that all object sand bod yparts are
clear of the side windows when they are being
opened or closed. You or the objects could be
drawn in or become trapped between the side
window and the door fram easthe window
moves. If ther eisariskofe ntrapment, oper-
ate the Wswitchto move the side window
in the opposite direction.
Make sure that nobody can become trapped
as the sliding sunroof/panorama sliding sun-
roof is ope neda nd closed. If there is arisk of
entrapment, operat ethe 3 switchtom ove
the sliding sunroof/panorama sliding sunroof
in the opposit edirection. X
Convenience closing feature: press and
hold the dbutton until the side win-
dows and the sliding sunroof/panorama
sliding sunroof are closed.
The indicator lamp in the dbutton lights
up. Air-recirculation mode is activated.
X Convenience opening feature: press and
hold the dbutton until the side win-
dows and the sliding sunroof/panorama
sliding sunroof are opened. The side win-
dows and the sliding sunroof/panorama
sliding sunroof move back to their original
position.
The indicator lamp in the dbutton goes
out. Air-recirculation mode is deactivated.
i If you open the side windows or the sliding
sunroof/panorama sliding sunroof man-
ually after closin gthemw ith the conveni-
enc eclosing feature, they will remain in this
position when opened using the conveni-
enc eopening feature. Activating/deact
ivatingthe residual
heat function
It is possibl etomakeu se of the residual heat
of the engine to continue heatin gthe station-
ar yv ehicle for up to 30 minutes after the
engine has been switched off .The heating
tim edepends on the temperature that has
been set.
i The blower will run at alow speed regard-
less of the airflow setting.
i If you activate the residual heat func tion
at high temperatures, only the ven tilation
will be activated. The blower runs at
medium speed.
X Turn the key to position 0in the ignition
lock or remov eit.
X To activate: press theÌ/Á button.
The indicato rlamp in the Ì/Á but-
ton lights up. Operating the climate control system
129Climate control Z

!
The depth of water must not exceed the
value specified in the table. Not ethat the
possible fording depth is less in flowing
water.
R Establish how deep the water is and the
characteristic softhe body of water before
fording.
R Select the highest possible vehicle level.
R Restrict the shift range to 1or 2.
R Avoid high engin espeeds.
R Enter and exit the water at aflat place and
at as teady walking pace.
! Under no circumstances should you
accelerate before entering the water. The
bow wave could cause water to enter and
damage the engine and neighbouring
assemblies.
R Drive slowl yand at aconstant speed
through the water.
R Do not stop.
! Do not open any of the vehicle' sdoors
while fording. Otherwise, wate rcould get
int ot he vehicle interior and damage the
vehicle' selectronics and interior equip-
ment.
R Water offer sahigh degree of resistance,
and the ground is slippery and in some
cases unstable. Therefore, it is difficult and
dangerous to pull away in the water.
R Ensure that abow wav edoes not for mas
you drive.
R Clea nany mud from the tyre tread after
fording.
R Appl ythe brakes to dry them after fording. Winter driving
Genera lnotes G
WARNING
If the vehicle becomes trapped in snow,
ensure that snow is kept away from the
exhaust pipe and from around the vehicle as long as the engine is running. Otherwise, poi-
sonous carbon monoxide (CO) may enter the
vehicle, resulting in loss of consciousness and
even death.
To assure sufficient fresh air ventilation, open
aw indow slightly on the side of the vehicle
not facin gthe wind.
At the onset of winter, have your vehicle win-
terproofed at aqualified special istworkshop,
e.g. at aMercedes-Ben zService Centre.
Vehicles with the ON&OFFROAD package: if
driving in snow or with snow chains, select
the snow program (Y page 219) with the off-
road program selector wheel in the centre
console.
Driving with summer tyres Observ
ethe notes in the "Winter operation"
section (Y page 357).
Slippery roa dsurfaces G
WARNING
Do not shift down for additiona lengine brak-
ing on aslippery road surface. This could
cause the drive wheels to lose their grip and
the vehicle could skid.
You should drive particularly carefully on slip-
pery road surfaces. Avoid sudden accelera-
tion, steering and braking manoeuvres.
If the vehicle threatens to skid or cannot be
stopped when moving at low speed:
X Shift the transmission to position N.
X Try to bring the vehicle under control by
using corrective steering.
i For more information on drivin gwith
snow chains, see (Y page 358). Drivin
gtips
165Driving and park ing Z

safety reasons, get out of the vehicle first
and survey the off-road route.
R chec kthe depth of water before fording
river sand streams.
R loo kout for obstacle ssuch as rocks, holes,
tree stumps and furrows.
R take care when turning on an uphil lor
downhill slope and when turning at sharp
angles. The vehicle could otherwise tip
over.
R always keep the side windows and the pan-
oram asliding sunroof closed during the
journey.
R do not stray from marked routes or paths.
i Information abou tretrofitting special all-
ter rain tyres is available from any
Mercedes-Benz Service Centre. H
Environmental note
Protection of the environmen tisofprimary
importance .Trea tnature with respect.
Observe all prohibiting signs.
Checklist before drivin goff-road X
Engine oi llevel: checkthe engin eoil and
top it up if necessary.
When drivin gonsteep gradients, the oil
level must be sufficiently hig htoensure a
correct oil supply in the vehicle.
X AdBlue ®
tank (BlueTEC vehicl es):check
the fluid leve land, if necessary, refill to the
maximum (13 l) (Y page157).
X Tyre-chang etool kit: check that the jack
is working and make sure you have the
wheelbrace, arobust tow cabl eand afold-
ing spade in the vehicle.
X Wheels and tyres: checkthe tyr etread
depth and tyre pressure.
X Check for damag eand remove any foreign
objects, e.g. small stones, from the
wheels/tyres.
X Repl acea ny missing valve caps. X
Repl aced ented or damaged wheels.
X Wheels: dented or bent wheels can lead to
al oss of tyr epressure and damag etot he
tyr eb ead. Before driving off-road, check
the wheels and replace them if necessary.
Checklist after driving off-road !
If you detect damage to the vehicle after
driving off-road, have the vehicle checked
immediately at aqualified specialist work-
shop.
Driving over rough terrain places greater
demands on your vehicle than driving on nor-
mal roads. After driving off-road, check the
vehicle. This allow syou to detec tdamage
promptly and reduce the risk of an accident
to yourself and other road users.
X Vehicles with the ON&OFFROAD pack-
age: activate the on-road program
(Y page 222).
X Vehicles without the ON&OFFROAD
package: deactivate the on-road program
(Y page 222).
X Deactivate the LOW RANGE off-road gear
(Y page 223).
X Deactivate DSR (Y page 220).
X Lower the vehicle level again to alevel suit-
able to the road conditions, e.g. to the high-
way/high-speed level.
X Clean the headlamps and rear lights and
check for damage.
X Clean the front and rear licence plates.
X Clean the wheels/tyres with awater jet and
remove any foreign objects.
X Clea nthe wheels, wheel arches and the
vehicle underside with awater jet; check
for any foreign objects and damage.
X Check whethe rtwigs or other parts of
plants have become trapped. These
increase the risk of fire and can damage
fuel pipes, brake hose sorthe rubber bel-
lows of the axl ejoint sand propeller shafts.
X After the trip, examine without fail the
entire undercarriage, wheels ,tyres, brakes, Driving tips
167Drivingand park ing Z