2011 MERCEDES-BENZ M-CLASS SUV engine

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).Key
Key functions
Locking and unlocking centr ally The key centrally locks/unlocks:
R the doors
R the tailgate
R the fuel filler flap G
WAR
NING
Only for the Unite dKingdom: 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
If children are left unsupervised in the vehicle,
they could:
R open adoor from inside the vehicle at any
time, even if it has been locked
R star tthe vehicle usin gakey which has been
left in the vehicle
R release the electric parking brake
They could thereby endanger themselves and
others. Never leave children unsupervised in
the vehicle. Alway stake the key with you
when leaving the vehicle, even if you are only
leaving it for ashort time. G
WARNING
If ak ey rin gistoo heavy or too large, the
weight actin gonthe key coul dcause it to turn
in the ignition lock or catc honthe steering
wheel. This coul dcause the engine to be
switched off suddenly. You may lose control
of the vehicle and cause an accident. Do not
attac hany heavy or large key rings to the key
that is inserted in the ignition. :
& To lock the vehicle
; F To open/clos ethe tailgate
= % To unlock the vehicle
When unlocking, the tur nsignals flash once.
When locking, they flash three times.
When it is dark, the surroun dlighting also
comes on if it is activated in the on-board
computer (Y page 248).
You can also set an audible signal to confirm
that the vehicle has been locked. The audible 72
KeyOpening and clos
ing

signa
lcan be activated and deactivated using
the on-board computer (Y page 249).
X To unlock centrally: press the%but-
ton.
If you do not open the vehicle within approx-
imately 40 seconds of unlocking:
R the vehicle is locked again.
R the anti-theft system is primed again.
X To lock centrally: press the&button. KEYLESS-GO
You can start, lock or unlock the vehicle using
KEYLE SS-GO. To do this ,you only need carry
the key with you. When you touc hthe surface
of the sensor sonthe vehicle' soutside door
handles ,KEYLESS-GO establishes aradio
connection between the vehicle and the key.
When the engine is started and whils tyou are
driving, KEYLE SS-GO also checks whether a
valid key is in the vehicl ebyperiodically
establishing radi ocontact.
When locking or unlockin gwith KEYLESS-GO,
the distance between the key and the door
handle you wish to lock or unlock must not
be greater than 1m. X
To unlock the vehicle: touch the inner
surface of the doo rhandle.
X To lock the vehicle: touch sensorsur-
face :.
X Convenienc eclosing feature: touch
recessed sensor surface ;for an exten-
ded period (Y page 85). If you pull on the handle of the tailgate, only
the luggage compartmen
tofthe vehicle is
unlocked. Changing th
esettings of the locking
system
You can change the setting of the locking
system in such away that only the driver's
door and the fuel filler flap are unlocked. This
is useful if you frequently travel on your own.
X To change the setting: press and hold
down the %and& buttons simulta-
neously for approximately six seconds until
the battery check lamp (Y page 74)
flashes twice.
i If the setting of the locking system is
changed within the signal range of the vehi-
cle, pressing the &or% button locks
or unlocks the vehicle.
The key now function sasfollows:
X To unlock th edriver's door: press the
% button once.
X To unlock centrally: press the%but-
ton twice.
X To lock centrally: press the&button.
The KEYLESS-GO function is change dasfol-
lows:
X To unlock th edriver's door: touch the
inner surface of the doo rhandle on the
driver' sdoor.
X To unlock centrally: touchthe inner sur-
face of the door handl eonthe front-
passenger door or the rea rdoor.
X To lock centrally: touchthe outer sensor
surface on one of the door handles. Restoring th
efactory settings
X Press the %and& button ssimulta-
neously for approximately six seconds until
the battery check lamp flashes twice. Key
73Opening and closing Z

Problem Possible causes/consequences and
M Solutions
The engin
ecannot be
started using the key. The on-board voltage is too low.
X Switch off non-essential consumers, e.g. seat heating or interior
lighting ,and try to start the engine again.
If this doe snot work:
X Check the starter battery and charge it if necessary
(Y page 343).
or
X Jump-start the vehicle (Y page 348).
or
X Consult aqualified specialist workshop. The engine cannot be
started using KEYLESS-
GO. The key is in the
vehicle. Ad
oor is open. Therefore, the key can notb ed etected as easily.
X Close the door and tr ytostart the vehicle again. There is interferenc
efrom apowerfu lsource of radio waves.
X Start your vehicle with the key in the ignition lock. Doors
Important safety notes
G
WARNING
Only fo rthe Unite dKingdom: if the vehicle
has been locked with the key or with KEY-
LESS-GO, the double lock func tion is activa-
ted as standard. It is then not possible to open
the doors from inside the vehicle.
Therefore, do not leav eany people behind in
the vehicle, particularly children, elderly peo-
ple or people requiring special 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 injured by
prolonged exposur etoextremely hig horlow
tempera tures, for example. In this case ,res-
cuin gpeople from outside the vehicle is diffi-
cult.
Deac tivate the interior motion sensor before
you lock the vehicle .The doors can then be
opened from the insid eafter the vehicl ehas
been locked from the outside. G
WARNING
If children are left unsupervised in the vehicle,
they could:
R open adoor from inside the vehicle at any
time, even if it has been locked
R star tthe vehicle usin gakey which has been
left in the vehicle
R release the electric parking brake
They could thereby endanger themselves and
others. Never leave children unsupervised in
the vehicle. Alway stake the key with you
when leaving the vehicle, even if you are only
leaving it for ashort time. Unlocking and opening th
edoors
from the inside
For all countries except the United King-
dom: you can open adoor from inside the
vehicle even if it has been locked.
Only for th eUnited Kingdom: if the vehicle
has been locked with the key or with KEY-
LE SS-G O, the doubl elock function is activa-
ted as standard. It is then not possible to open Doors
77Opening and closing Z

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

=
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

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

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).Exterior lighting
Important safet
ynotes
Fo rreasons of safety, Mercedes-Ben zrecom-
mends that you driv ewith the lights switched
on even during the daytime. In some coun-
tries, operation of the headlamps varies due
to legal requirement sand self-imposed obli-
gations. Notes on driving abroad
Convert to symmetrical dipped beam
when driving abroad: switch the headlamps
to symmetrical dipped beam in countries in
which traffic drives on the opposite sid eofthe
roa dtot he country wher ethe vehicle is reg-
istered. This prevents glar etooncoming traf-
fic. Symmetrical lights do not illuminate as
large an area of the edg eofthe carriageway.
Convert the headlamps as close to the border
as possible before drivin ginthese countries
(Y page 24 7).
Convert to asymmetrical dipped beam
after returning: convert the headlamps back
to asymmetrical dipped beam as soon as pos-
sible after crossing the border when returning
(Y page 247).
If the headlamps are converted to symmetri-
cal dipped beam, the "motorway mode" and "extended range foglamps" function
s(Intelli-
gent Light Syste m)are not available. Light switch
Operation 1W
Left-hand parkin glamps
2X Right-hand parkin glamps
3T Side lamps, licenc eplate and instru-
ment cluster lighting
4Ã Automatic headlamp mode/daytime
drivinglights
5L Dipped-beam/main-beam head-
lamps
BR Rear foglamp
The turn signals, main-beam headlamps and
the headlamp flasher are operated using the
combination switch (Y page 108).
! If the batter yhas been excessively dis-
charged, the side lamps or parkin glamps
are automatically switched off to enable
the nex tengine start. Alway sparky our
vehicl esafely and sufficiently li taccording
to lega lstandards. Avoi dthe contin uous
us eoft heT sidelam ps for several
hours. If possible, switch on the Xright
or the Wleft parking lamp.
The exter iorl igh ting (except the sid elam ps/
parking lamps )switches off automaticall yif
you:
R remove the key from the ignitio nlock
R ope nthe driver's door with the key in posi-
tion 0 106
Exterior lightingLights and windscreen wipers

If yo
uhear awarning tone when you leave the
vehicle ,the lights ma ystill be switched on.
X Turn the ligh tswitc htoà .
Dipped-beam headlamps X
To switch on th edipped-bea mhead-
lamps: turnthe ke yinthe ignition lock to
po sition 2or star tthe engine.
X Tur nthe li ght switch to L.
The L indicator lam pinthe instrument
clus terlight sup.
Day time driving lights You can activat
eordeactiva tethe daytime
driving ligh tsfunctio nusingthe on-board
compute r(Ypage 247).
X Day time drivin glights: activat ethe day-
ti me driving light sfunction using the on-
board computer.
X Turn the light switch to Ã.
When the engine is on: depe nding on the
ambien tlight conditions, the daytime driv-
ing lights or the parking and dipped-beam
headlamps are switched on.
When the dipped-beam headlamps are
switched on, the Lindicator lamp in the
instrumen tcluster lights up.
Automatic headlam pmode X
To switch on automatic headlamp
mode: turnthe light switc htoÃ.
Key in position 1in th eignition lock :the
side lamps ar eswitched on or off automat-
ically depending on the brightness of the
ambien tlight.
With the engin erunning: depe nding on the
brightness of the ambien tlight, the daytime
drivin glights 6
or the dipped-beam head-
lamps are switched on or off automatically.
When the dipped-beam headlamps are
switched on, the Lindicator lamp in the
instrumen tcluster lights up. G
WAR
NING
If the ligh tswitc hiss et to Ã,t he dipped-
beam headlamps will not com eonautomati-
cally if it is foggy. This could endanger you and
others. Therefore, tur nthe light switc hto
Lin fog.
The automatic headlamp featur eisonly an
aid. The driver is responsible for the vehicle's
lighting at all times.
Rear foglamp X
To switc honthe rear foglamp: turn the
key in th eignition lock to position 2or start
the engine.
X Tur nthe light switc htoLorÃ.
X Press the Rbutton.
The yellow Rindicator lam pint he
instrumen tcluster lights up.
X To switch off th erear foglamp: press the
R button.
The yellow Rindicator lamp in the
inst rument cluster goes out.
i If you switch the engine off (ke yinposi-
tion 1in the ignition lock )and then restart
it, the previous rear fogla mpsettings are
restored.
Rea rfoglamp X
To switch on th erearfoglamp: turnthe
key in the igni tion lock to position 2or start
the engine.
X Tur nthe light switc htoLorÃ.
X Press the Rbutton.
The yellow Rindicator lam pinthe
instrumen tcluster lights up.
X To switch off th erear foglamp: press the
R button.
The yellow Rindicator lamp in the
inst rument cluster goes out.
i If you switch the engine off (ke yinposi-
tion 1in the ignition lock )and then restart
6 Only if daytime driving ligh tshave been activa tedv ia the on-board computer. Exterior lighting
107Lightsand windscr een wipers Z