warning MERCEDES-BENZ M-CLASS SUV 2011 Service Manual

G
WARNING
If the engine is running and the tai lgate is
open, exhaust gase scan enter the vehicle
interior. This coul dresult in poisoning. There-
fore, mak esure that the tailgate is always
closed when the engine is running.
! The tailgate swings upwards and to the
rear when opene d. Therefore, mak esure
that there is sufficient clearance above and
behind the tailgate.
i You will find details on the tailgate open-
ing dimensions in the Technical data sec-
tion (Y page 378).
For vehicle swithou tEASY-PACK tailgate
you can:
R open and close the tailgate manually from
outside
R unlock the tailgate from inside with the
emergency release
For vehicle swith EASY-PACK tailgate you
can:
R close the tailgate manually from outside
R open and close the tailgate automatically
from outside
R open and close the tailgate automatically
from inside
R limit the opening angle of the tailgate
R unlock the tailgate from inside with the
emergency release Opening/closing from the outside
Opening X
Press the %button on the key. X
Pull handle :.
X Raise the tailgate.
Vehicles with the EASY-PACK tailgate: if
you pull handle :and then release it, the
tailgate opens automatically.
Closing G
WARNING
Make sure that nobody can become trapped
as you close the tailgate. X
Pull the tailgate down using recess :.
X Push the tailgate closed from outside the
vehicle.
X If necessary, lock the vehicle with
the & button on the key (Y page 72)or
with KEYL ESS-GO (Ypage 73).
i IfaK EYLESS-GO key is detected in the
lugg age compartment, the tailgate wil lnot
lock. 80
Luggage compa
rtmentOpening and closing

Opening/closing au
tomatically from
outside
Important safet ynotes G
WARNING
Only for the United Kingdom: if the vehicle
has been locked with the key or with KEY-
LESS-GO, the double lock function is activa-
ted as standard. It is then not possible to open
the doors from inside the vehicle.
Therefore, do not leave any people behind in
the vehicle, particularly children ,elderly peo-
ple or people requirin gspecial assistance. As
ar esult, they may not be able to free them-
selves in the event of an emergency. They
could be seriously or even fatally inju redby
prolonged exposure to extremely high or low
temperatures, for example. In this case, res-
cuin gpeople from outside the vehicle is diffi-
cult.
Deac tivate th einterior motion sensor before
you lock the vehicle. The doors can then be
opened from the inside after the vehicl ehas
been locked from the outside. G
WARNING
Monitor the tailgate opening and closing pro-
cedures to make sure that nobody can
become trapped. To stop the opening or clos-
ing procedure, press the closing button on the
tailgate again or pull the handle on the outside
of the tailgate.
! The tailgate swings upwards and to the
rear when opened .Therefore, make sure
that ther eiss ufficien tclearance above and
behind the tailgate.
i You will fin ddetails on the tailga teopen-
ing dimension sinthe Technical data sec-
tion (Y page 37 8). Opening You can open the tailgat
eautomatically with
the key or the handle in the tailgate.
X Press and hold the Fbutton on the key
until the tailgate opens.
or
X When the tailgate is unlocked, pull the han-
dle and let it go again immediately.
Closing You can close the tailgate automatically using
the key, the closin
gbutton 4
or the locking
button 5
. Closing butto
nand locking button (example :vehi-
cle with the EASY-PACK tailgat eand KEYLESS-GO)
X To close: pressclosing button :on the
tailgate.
or
X Press and hold the Fbutton on the key
until the tailgate closes.
X To close and lock simultaneously:
Press lockin gbutton ;on the tailgate.
i Simultaneously closing and lockin gthe
tailgat eisonly possible if all doors are shut
and the key is locate dinthe vicinit yofthe
tailgate.
i The tailgat ecan only be opened and
closed with the key if there is no key in the
ignition lock.
4 For vehicles with the EASY-PACK tailgate only.
5 For vehicles with the EASY-PACK tailgate and KEYL ESS-GO only. Luggag
ecompa rtment
81Opening and closi ng Z

If th
etailgate touches an object whil eclos-
ing, the closing procedure is interrupted
and the tailgate reopens.
i If you leave aKEYLESS-GO key in the lug-
gage compartment, the tailgate wil lnot
lock.
The tail gate is not close dunles saK EY-
LESS-GO key is detected. Opening/closing automatically from
the ins ide G
WARNING
Monito rthe tailgate openin gand closing pro-
cedures to make sure that nobody can
become trappe d. To halt the opening or clos-
ing procedure, press or pull the tailgate's
remote operating button from the driver's
seat again.
You can open and close the tailgate from the
driver's seat when the vehicle is stationary
and unlocked. X
To open: pull remote operating switch :
for the tailgate until the tailgate opens.
X To close: turn the key to position 1or 2in
the ignition lock.
X Press remote operating switch for tail-
gate :until the tailgate is closed. Limiting the opening angle of the tail-
gate
Important safety notes You can limit the opening angle of the tail-
gate. This is possible in the top half of its
opening range, up to approximately 10 cm
before the stop.
!
Make sure there is sufficien tclearanc eto
open the tailgate fully when setting the
openin gangle .The tailgat ecould otherwise
be damaged. Ideally, set the openin gangle
outside.
Activating X
To open the tailgate: pull the handle on
the tailgate.
X To stop the opening procedur eatthe
desire dposition: press the closing button
(Y page 81) in the tailgate or pull the handle
on the outside of the tailgate again.
X To store the position: press and hold the
closing button in the tailgate until you hear
as hort tone.
The opening angl elimiter is activated. The
tailgate will now stop in the stored position
when opening.
Deactivating X
Press and hold the closing button
(Y page 81) in the tailgate until you hear
two short tones. Tailgat
eemergency release
If the tailgate can no longe rbeo pened from
outside the vehicle, use the emergency
release on the inside of the tailgate.
X Take the emergenc ykey elemen tout of the
key (Y page 74).
i You will find details on the tailgate open-
ing dimensions in the Technical data sec-
tion (Y page 378). 82
Luggage compartmentOpenin
gand closing

!
When opening, the tailgate swings up and
out. Therefore, mak esure that there is suf-
ficient clearance above and behind the tail-
gate.
X Insert emergency key element ;into
opening in trim :.
X Turn emergency key element ;90° clock-
wise.
X Push emergency key element ;in the
direction of the arrow and open the tail-
gate. Side windows
Important safety notes
G
WARNING
Make sure that nobody can become trapped
between the side window and the door frame
when aside window is opened. Do not touch
or lean against the side window during the
opening procedure. You could become trap-
ped between the side window and the door
frame as the side window moves down. If
there is arisk of becoming trapped, release
the switch or pull the switch upwards to close
the side window again. G
WARNING
Make sure that nobody can become trapped
as you close aside window. If there is arisk
of becoming trapped, release the switch or
press it agai ntoopen the side window again. G
WARNING
Children may injur ethemselves if they open
or close the side windows.
Never leav echildren unsupervised in the vehi-
cle. Always tak ethe key with you when leaving
the vehicle, even if you ar eonly leaving it for
as hort time. G
WARNING
Do not leav echildren unsupervised in the
vehicle, even if they ar esecured in achild
restraint system .The children could:
R be seriously or even fatall yinjured on parts
of the vehicle
R be seriously or even fatally injured by pro-
longed exposure to extremely hig hor
extremely low temperatures
If children open adoor, they could:
R seriously or even fatally injure other people
R get out of the vehicle and injure them-
selves, or be seriously or even fatally
injure dbya passing vehicle
Activat ethe child-proof locks/overrid efea-
tur eifc hildren ar etravelling in th evehicle.
They could otherwise open doors or side win-
dows while the vehicle is in motion and
thereby injure themselves or others. Opening and closing the side win-
dows :
Fron tleft
; Fron tright Side windows
83Openingand closing Z

=
Rear right
? Rear left
The switches for all side windows are located
on the driver's door. There is also aswitch on
eac hdoorfor the corresponding side window.
The switches on the driver's door tak eprec-
edence.
i Thes ide windows cannot be operated
from the rear when the override featur efor
the side window sisactivate d(Ypage 60).
X Turn the key to position 1or 2in the ignition
lock.
X To open: press the corresponding switch.
X To close: pull the corresponding switch.
i If you press the switch beyond the point
of resistan ce,ana utomatic opening /clos-
ing process is started in the corresponding
direction .You can stop automatic opera-
tion by pressin gagain.
i You can con tinue to operate the sid ewin-
dows after switching off the engine or
removing the key. This func tion remains
active for fiv eminutes or until the driver's
or front-passenger door is opened. Convenience opening feature
You can ventilate the vehicle before you start
driving. To do this, the key is used to carr yout
the following functions simultaneously:
R unlock the vehicle
R open the side windows
R open the sliding sunroof or the panorama
sliding sunroof and the roller sunblinds
R switch on the seat ventilation for the driv-
er's seat
i The convenience opening feature can
only be operated using the key. The key
must be close to the driver' sdoor handle. X
Point the tip of the key at the driver's door
handle.
X Press and hold the %button until the
side window sand the sliding sunroo forthe
panorama slidin gsunroof are in the desired
position.
If the roller sunblinds of the panorama sliding
sunroof are closed ,the roller sunblinds are
opened first.
X Press and hold the %button again until
the panorama slidin gsunroof is in the
desired position.
X To interrupt convenience opening:
release the %button. Convenience closin
gfeature
General notes When you lock the vehicle, you can simulta-
neously:
R
close the side windows
R close the sliding sunroof or the panorama
sliding sunroof
On vehicles with apanorama sliding sunroof,
you can then close the roller sunblinds. G
WARNING
When using the convenienc eclosing feature,
make sure that nobody can become trapped.
Proceed as follows if there is arisk of entrap-
ment:
With the key:
R release the &button.
R press and hold the %button until the
side windows and the sliding sunroof or the
panoram asliding sunroof open again.
With KEYL ESS-GO:
R release the senso rsurface on the door han-
dle.
R pull the door handle immediately and hold
it.
The side windows and the sliding sunroof
or the panorama sliding sunroof open. 84
Side windowsOpenin
gand closing

Using th
ekey i
The key must be close to the driver 'sdoor
handle.
X Point the tip of the key at the driver' sdoor
handle.
X Press and hold the &button until the
side window sand the sliding sunroof or the
panorama sliding sunroof are fully closed.
X Make sure that all the side windows and the
sliding sunroof or panorama sliding sunroof
are closed.
On vehicles with apanorama sliding sunroof:
X Press and hold the &button again until
the roller sunblinds of the panorama sliding
sunroof close.
X To interrupt convenienc eclosing:
release the &button.
Using KEYLESS-GO The KEYL
ESS-GOkey must be outside the
vehicle .All the doors must be closed. X
Touch recessed sensor surface :on the
door handle until the side windows and the
sliding sunroof or the panoram asliding
sunroof are fully closed.
i Make sure you only touch recessed sen-
sor surface :.
X Make sure that all the side windows and the
sliding sunroof or panoram asliding sunroof
are closed. On vehicles with
apanorama sliding sunroof:
X Touch recessed senso rsurface :on the
door handle again until the roller sunblinds
of the panorama sliding sunroof close.
X To interrupt convenienc eclosing:
release recessed sensor surface :on the
door handle. Resetting the side windows
If as ide window can no longer be closed fully,
you must reset it.
X Close all the doors.
X Turn the key to position 1or 2in the ignition
lock.
X Pull the corresponding switch on the door
control panel until the side window is com-
pletely closed. (Y page 83)
X Hold the switch for an additional second.
If the side window opens again slightly:
X Immediately pull the corresponding switch
on the door control panel until the side win-
dow is completely closed (Y page 83).
X Hold the switch for an additional second.
X If the corresponding side window remains
closed after the button has been released,
the side window has been reset correctly.
If this is not the case, repeat the steps
above again. Problems with the side windows
Problem: aside window cannot be closed
because it is blocked by objects, e.g.
leaves in th ewindow guide.
X Remov ethe objects.
X Close the side window.
Problem :aside window cannot be closed
and you cannot see th ecause. G
WARNING
Closing the side windows wit hincrease dforce
or withou tthe anti-entrapmen tfeature could Side windows
85Openingand closing
Z

lead to serious or even fatal injury. Make sure
that nobody can becom etrapped when clos-
ing the side windows.
If as ide window is obstructed during closing
and reopen sagain slightly:
X Im me diately after the window blocks, pull
the correspondin gswitc hagain until the
side window has closed.
The side window is close dwith increased
force.
If as ide window is obstructed again during
closing and reopen sagain slightly:
X Im me diately after the window blocks, pull
the correspondin gswitc hagain until the
side window has closed.
The side window is close dwithout the anti-
entrapmen tfeature. Sliding sunroof
Important safet
ynotes
Your vehicle may be fitted with asliding sun-
roof or apanorama sliding sunroof. In the fol-
lowing section, the ter m"slidin gsunroof"
refers to both types of sliding sunroof. G
WARNING
Make sure that nobody can become trapped
when opening and closing the sliding sunroof.
If there is arisk of entrapment ,release the
switch immediately. Durin gautomatic opera-
tion ,push the switc hbriefly in any direction
to stop the sliding sunroof. G
WARNING
Th eg lass in th epanoram asunroof could
brea kinana ccident. If yo uare not wearin ga
seat belt ,there is arisk that you could be
thrown through the opening in the event of the
vehicle overturning. Therefore, always wear a
seat belt to reduce the risk of injuries. G
WARNING
Children could injur ethemselves if they oper-
ate the slidin gsunroof.
Never leave children unsupervised in the vehi-
cle. Always take the key with you when leaving
the vehicle, even if you are only leaving it for
as hort time.
! Only open the panoram asliding sunroof
if it is free of snow and ice. Otherwise, mal-
func tions ma yoccur.
Do not allo wanything to protrude from the
sliding sunroof. Otherwise, the seals could
be damaged.
i Resonance noises can occur in addition
to the usual airflow noises whe nthe sliding
sunroof is open. They ar ecaused by minor
pressure fluctuations in the vehicle interior.
Change the position of the sliding sunroof
or open aside window slightly to reduce or
eliminat ethese noises. Operating th
esliding sunroof
Opening and closing i
You can continue to operate the sliding
sunroof after switching off the engine or
removing the key. This function remains
activ efor fiv eminutes or until the driver's
or front-passenger door is opened. Overhead control panel
:
To raise
; To open
= To close/lower 86
Slidin
gsunroofOpenin gand closing

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

in such
away that you have agood view of
roa dand traffic conditions.
X Vehicles with amemory function: save
the seat, steerin gwheel and exterior mirror
settings (Y page 103). Sea
ts Important safety notes
G
WARNING
The seats can still be adjusted when ther eis
no key in the ignition lock. For this reaso n,
children shoul dnever be left unsupervised in
the vehicle. They could adjust the seat sand
become trapped. G
WARNING
Only adjus tthe driver' sseat when the vehicle
is stationary. You will otherwise be distrac ted
from the road and traffic conditions and you
could lose control of the vehicle as aresult of
the seat moving. This could cause an acci-
dent. G
WAR
NING
If you adjus tthe seat height car elessly, you or
others could be trapped and thereb yinjured.
Children in particular could unintentionally
pres sthe buttons to electrically adjust the
seat sand become trapped.
Take care that:
R whil emoving the seats, your hands do not
get under the lever assembly of the seat
adjustmen tsystem.
R children in the vehicl edonot slidetheir
hands unde rthe levers. G
WARNING
Make sur ethat nobody can becom etrapped
when adjusting the seats.
Observe the notes on airbags.
Secure children as recomm ended; see the
"Children in the vehicle" section. G
WAR
NING
Make sure that the back of your head is sup-
ported at eye level by the central area of the
head restraint .Ifyour head is not supported
correctly by the head restraint ,you coul dsuf-
fer asever eneck injury in the event of an
accident .Never driv eifthe head rest raints are
not engaged and set correctly. G
WARNING
As eat belt can only offer its intended degree
of protection when the back rest is almost ver-
tical and the occupan tiss itting upright. Avoid
seat positions that do not allow the seat belt
to be routed correctly. Adjust the backrest so
that it is as upright as possible .Never travel
with the back rest reclined too fa rbackwards.
You could otherwise be seriousl yoreven
fatally injured in th eevent of an accident or
sudden braking.
! To avoid damag etothe seats and the seat
heating, observe the followin ginformation:
R do not spill any liquids on the seats. If
liquid is spilled on the seats, dry them as
soon as possible.
R if the sea tcover sare damp or wet, do not
switc hont he seat heating. The seat
heating should also not to be used to dry
the seats.
R clea nthe seat cover sasrecommended;
see the "In terior care" section.
R do not transport heav yloads on the
seats. Do not plac eshar pobjects on the
seat cushions ,e.g. knives, nails or tools.
Th es eats should only be occupied by
passengers, if possible.
R when the seat heatin gisinoperation ,do
not cover the seats with insulating mate-
rials, e.g. blanke ts,c oats, bags, seat cov-
ers, child seats or booster seats.
! When you mov ethe seats, make sur ethat
ther eare no objects in th efootwell or
behind the seats. Otherwise, you could
damage the seats and the objects. Seats
93Seats,steering wheeland mirrors Z