MERCEDES-BENZ M-Class 2012 W166 Manual Online

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Unlocking
andopening doorsfrom
the inside
You canopen adoor from inside thevehicle
even ifit has been locked.You canonly open
the rear doors frominside thevehicle ifthey
are not secured bythe child- proof locks
(Y page 59).
Only open thedoor when thetrafficsituation
permit s.
If the vehicle waspreviously lockedwith the
Smar tKeyorwith KEYL ESS-GO, openin gthe
vehicle fromtheinside willactiv atethe anti-
thef talarm system .Switc hoff the alarm
(Y page 68). X
Pull door handle ;.
If the door islock ed,lock ingknob : pops
up. The door isunlock edand canbe
opened. Centra
llylocking andunlocking the
vehicle fromtheinside
You cancentrally lockorunlock thevehicle
from theinside.
The central lock ing/ unlock ingbutt ondoes
not lock orunlock thefuel filler flap.
The buttons arelocate don both frontdoors. i
You
cann otunlock thevehicle centrally
from theinside ifthe vehicle hasbeen
locked withtheSmart KeyorKEYLE SS-GO. i
It
is only possible tolock thevehicle
cent rally ifthe front -passenger dooris
closed. X
To unlock: pressbutton :.
X To lock: press button ;.
If all the doors andthetailgate areclosed,
the vehicle locks.
You canopen afront doorfrom inside the
vehicle evenifit has been locked. Onlyopen
the door when thetraffic situation permits.
If the vehicle hasbeen locked withthecent ral
lockin gbutton :
R and theSmart Keyisset toits factor y
sett ing, theentire vehicle isunlocked ifa
front doorisopened fromtheinside
R and theSmart Keyisset toan individual
sett ing, only thefront doorthatisopened
from inside thevehicle isunlocked.
If the vehicle hasbeen locked centrally with
the Smart Keyorwith KEYLE SS-GO, itis not
unlocked whentherelease buttonforthe
cent rallockin gis used. Automa
ticlocking feature
The vehicle locksautomatically whenthe
ignition isswitched onand thewheels ofthe
vehicle areturnin gat as peed ofmore than
9 mph (15km/ h).
You could therefore belock edout when:
R the vehicle isbeing pushed.
R the vehicle isbeing towed.
R the vehicle isbeing testedon a
dynamomet er. Doors
79Opening/closing Z

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X
To dea ctivate :pre ssand holdbu tton :
for abou tfive seco ndsuntila ton esoun ds.
X To act ivat e:press andhold button; for
about fiveseco ndsuntila ton esoun ds. i
If
you press oneofthe two buttons and
do not hear aton e,the relev antsettinghas
already beenselected.
You canalso switc hthe autom aticlocking
func tion onand offusing theon-board
com puter (Ypage 235). Unlocking
thedr iver' sdoor
(mecha nicalkey)
If the vehic lecan nolong erbe unloc kedwith
the SmartKey, usethemec hanic alkey.
If you usethemec hanic alkey tounloc kand
op en the driver 'sdo or, the anti-thef talarm
syst emwill betriggere d(Y page 68).
X Take themec hanic alkey outofthe
Sm artKey (Ypage 75).
X Insert themec hanic alkey intothe lock of
the drive r'sdoor asfar asitwill go. X
Turn themec hanic alkey coun tercloc kwise
to posit ion1.
The door isunloc ked.
X Turn themec hanic alkey back andremo ve
it.
X Insert themec hanic alkey intothe
Sm artKey. Locking
thevehicle (mechanicalkey)
If the vehic lecan nolong erbe lock edwith the
Sm artKey, usethemec hanic alkey.
X Open thedrive r'sdoor.
X Close thefront-pass engerdoor, therear
doors andthetailgat e.
X Press thelock ingbutt on(Ypage 79).
X Check whetherthelock ingknobs onthe
fro nt-pass engerdoor andtherear doors
are still visible. Pressdownthelock ing
kn obs byhand, ifnec essary.
X Close thedrive r'sdoor.
X Take themec hanic alkey outofthe
Sm artKey (Ypage 75).
X Insert themec hanic alkey intothe lock of
the drive r'sdoor asfar asitwill go. X
Turn themec hanic alkey cloc kwise asfar
as itwill gotoposit ion1.
X Turn themec hanic alkey back andremo ve
it.
X Make surethatthedoors andthetailgat e
are lock ed.
X Insert themec hanic alkey intothe
Sm artKey. 80
DoorsOpening/closing

Page 83 of 396


i
If
you lock thevehicle asdescribe dabove ,
the fuel filler flap isnot locked. Theanti-
theft alarm system isnot armed. Cargo
compartment Important
safetynotes
Do not leavethe SmartKey inthe cargo
compartment. Youcould otherwis elock
you rself out. G
WARNING When
leaving thevehicle ,alw aysremove the
SmartKey fromtheignition lock.Alway stake
the SmartKey withyouand lock thevehicle .
Do not leavechildre nunsu pervised inthe
veh icle, eve nifthey aresecured inachild
restraint system,anddonot give them access
to an unlocked vehicle.Achild's unsupervised
access toavehicle couldresult inan accident
and/or serious personal injury.Theycould:
R injure themselves onvehicle parts
R be seriously orfatally injured byextrem e
heat orcold
R injure themselves orhave anaccident with
vehicle equipment thatmay stillbein
operation evenaftertheSmartKey has
been removed fromtheignition, suchasthe
seat adjustment ,steering wheel
adjustment ormemory function.
If children openadoor, theycould cause
severe oreven fatalinjury toother persons; if
they getout ofthe vehicle, theycould injure
themselves whendoing soorbe seriously or
even fatally injured byany passing traffic.
Do not expose thechild restraint systemto
direct sunlight. Thechild restraint system's
metal parts, forexample, couldbecome very
hot, andachild could beburned onthese
parts. G
WARNING Do
not carry heavy orhard object sin the
passenger compartmen tor cargo compartmen
tunle ssthey arefirmly secu red
in place .
Unse curedorimp roperlypo sitio ned cargo
incre ases achi ld's ris kof inju ryinthe event
of
R stro ngbra king maneu vers
R sudd en cha nges ofdirecti on
R an acci dent G
WAR
NING Ma
kesure the tailgate isclo sed when the
engi neisrunning andwhiled riving. Among
other dange rs,dea dlycarbon monoxide (CO)
gase smay enter vehicleinterior resultingin
unconsciou snessanddeath.
! The tailgate swings upwards andtothe
rear when opened .Therefore, makesure
that there issufficient clearance aboveand
behind thetailgate.
To open thetailgate completely, aminimum
clearance of7.20 ft(2.20 m)above the
gro und isneces sary.
Fo rv ehicles withoutEASY-PACK tailgat e
you can:
R open andcloseth etailg ateman ually from
outs ide
R unloc kthe tailgate frominside withthe
emergency release
For vehicle swith EASY -PACK tailgate you
can:
R close thetailgate manually fromoutside
R open andclose thetailgate automatically
from outside
R open andclose thetailgate automatically
from inside
R limit theopening angleofthe tailgate
R unlock thetailgate frominside withthe
emergency release Cargo
compar tment
81Opening/closing Z

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Opening/closing
fromoutsid e
Opening X
Press the% button onthe Smart Key. X
Pull handle :.
X Raise thetailgate.
Vehicles withtheEASY-PACK tailgate:if
you pull handle :and then release it,the
tailgate opensautomatic ally.
Closing G
WARN
ING To
preven tpossible personal injury,always
keep hands andfingers awayfromthecargo
compartm entopening whenclosing the
tailgate. Beespecially carefulwhensmall
children arearound. X
Pull thetailgate downusingrecess :.
X Push thetailgate closedfromoutside the
vehicle.
X Ifnecessary, lockthevehicle with
the & button onthe Smart Key (Y
page 72)orwith KEYLE SS-GO
(Y page 73). i
If
aKEYLE SS-GO key isdetect edinthe
cargo compartm ent,thetailgate willnot
lock. Opening/cl
osingautomat ically from
outside
Import antsafety notes G
WARNING Make
surethetailgate isclosed whenthe
engine isrunnin gand while driving. Among
other dangers, deadlycarbon monoxide(CO)
gases mayenter vehicle interior resulting in
uncons ciousness anddeath.
! The tailgate swingsupwards andtothe
rear when opened. Therefore, makesure
that there issufficient clearance aboveand
behind thetailgate.
To open thetailgate completely, aminimum
clearance of7.20 ft(2.20 m)above the
gro und isneces sary.
Ope ning Yo
ucan openthe tailgate automatically using
the SmartK eyorthe handle inthe tailgate.
X Press andhold theF button onthe
SmartK eyuntil thetailgate opens.
or
X When thetailgate isunlocked, pullthe
handle andletitgo again immediately.
Closi ng G
WARNING Monitor
theclosing procedure carefullyto
make surenoone isin danger ofbeing
injured. Toprevent possible personal injury,
alwa yskeep hands andfingers awayfromthe
cargo compartmen topenin gwhen closing the
tailgate. Beespecially carefulwhensmall 82
Cargo
compar tmentOpening/closing

Page 85 of 396


chil
drenarearou nd.Tostop theclosing
procedu re,doone ofthe follo wing:
R Press orpul lthe remote tailgate opening/
closing switchonthe driver' sdoor.
R Press thetailgate closing switch.
R Press theKEYLESS-GO locking/closing
switch.
R Pul loutsid ehandl eon the tailgate.
R When noSmartKey isinserted inthe starter
switch (vehicleswith KEYLESS-GO: Make
sure thevehicl e'son-board electronics
have status 0):Press button Fonthe
SmartKey.
You canclose thetailgate automatical lyusi ng
the SmartKey, theclosi ngbutton 4
or the
locking button5
. Clo
sing button andlocking button(examp le:
vehicl ewith theEASY-PACK tailgateand KEYLESS-
GO)
X To clo se: press closingbutton :onthe
tail gate.
or
X Press andhold theF button onthe
SmartKey untilthetailgate closes .
X To clo seand locksimu ltaneously:
Press lockingbutt on; onthe tailgat e. i
Simult
aneously closingand lockingthe
tailgat eis only possible ifall doors areshut
and theSmar tKey islocat edinthe vicin ity
of the tailgat e. i
The
tailgat ecan only beopene dand
close dwith theSmar tKey ifther eis no
Smar tKey inthe ignit ionlock .
If the tailgat etouc hesanobjec twhile
closing, theclosing procedure is
interrupted andthetailgate reopens. i
If
you leave aKEYLE SS-GO key inthe
cargo compartmen t,the tailgate willnot
lock.
The tailgate isnot closed unlessa
KEYLE SS-GO key isdetect ed. Opening/c
losingautomatically from
inside G
WARNING Maintain
sightofthe area around therear of
the vehicle whileoperating thetailgate with
the door-mount edremote tailgate switch.
Monitor theopening procedure carefullyto
make surenoone isin danger ofbeing
injured.
To interrupt theopening procedure, pressor
pull thedoor-mount edremote tailgate switch.
When theSmartK eyisnot inserted inthe
starter switch(vehicles withKEYLES S-GO:
Make surethevehicle's on-board electronic s
have status 0):Press button Fonthe
SmartK ey. G
WARNING Maintain
sightofthe area around therear of
the vehicle whileoperating thetailgate with
the door-mount edremote tailgate switch.
Monitor theclosing procedure carefullyto
make surenoone isin danger ofbeing
injured.
To interrupt theclosing procedure, pressor
pull thedoor-mount edremote tailgate switch.
4 For vehicles withtheEAS Y-PACK tailgateonly.
5 For vehicles withtheEAS Y-PACK tailgateandKEYLES S-GOonly. Cargo
compar tment
83Opening/closing Z

Page 86 of 396


G
WARNING To
prevent possibleperso nalinjury ,alw ays
keep hands andfingers awayfrom thecargo
compartment openingwhenclosing the
tail gate. Beespeci allycarefu lwhen small
child renarearou nd. G
WARNING Make
surethetailgate isclosed whenthe
engine isrunning andwhiledrivi ng.Among
other dange rs,dea dlycarbon monoxide (CO)
gase smay enter vehicleinterior resultingin
unconsciou snessanddeath.
You canopen andclose thetailgate from the
driver' sseat when thevehicl eis stationary
and unlocked . X
To open :pul lremote operatingswitch :
for the tailgate untilthetailgate opens.
X To clo se: turn theSmartKey toposi tion 1
or 2in the ignitio nlock.
X Press remote operatingswitch for
tail gate :until thetailgate isclosed .
If the tailgate comes intocontact withan
object, theclosi ngprocedu reisinterrupted
and thetailgate reope ns.
X To interrupt theclosing procedure: push
or pul lremote operatingswitch forthe
tail gate :. Limiti
ngthe open ingangle ofthe
tailgate
Important safetynotes You
canlimitthe opening angleofthe
tailgate. Thisispossible inthe top half ofits
opening range,uptoapproximately
4 in (10 cm) before thestop.
! Make surethere issufficient clearance to
open thetailgate fullywhen settingthe
opening angle.Thetailgate couldotherwise
be damaged. Ideally,set the opening angle
outside.
Activating X
To open thetailgate: pullthehandle on
the tailgate.
X To stop theopening procedure atthe
desired position: presstheclosing button
(Y page 82)inthe tailgate orpull thehandle
on the outside ofthe tailgate again.
X To store theposition: pressandhold the
closing buttoninthe tailgate untilyouhear
a short tone.
The opening anglelimiter isactivated. The
tailgate willnow stop inthe stored position
when opening.
Deactivating X
Press andhold theclosing button
(Y page 82)inthe tailgate untilyouhear
two short tones. Tailgate
emergency release
If the tailgate cannolonger beopened from
outside thevehicle, usetheemergency
release oninside ofthe tailgate.
X Take themechanical keyoutofthe
SmartK ey(Ypage 75).
To open thetailgate completely, aminimum
clearance of7.20 ft(2.20 m)above the
gro und isneces sary. 84
Carg
oco mpartmentOpening/closing

Page 87 of 396


!
The tailgate swingsupwardsand tothe
rear when opened. Therefore, makesure
that there issufficient clearance aboveand
behind thetailgate.
X Insert mechanical key;into opening in
trim :.
X Turn mechanical key;90° clockwise.
X Push mechanical key;inthe direction of
the arrow andopen thetailgate. Side
window s Importa
ntsafety notes G
WARNING When
opening orclosing thedoor windows,
make surethatthere isno danger ofanyone
being harmed bythe opening/closing
procedure.
The door windows areequip pedwith
automatic operationandtheanti-ent rapment
feature. Ifin automatic modeadoor window
encounters anobstruction thatblocks its
path, theanti-ent rapment featurewillstop the
door window andopen itslightly.
The door windows operatedifferently when
the switch ispull ed. See the"Proble mswith
door windows" sectionfordetails.
The closing ofthe door windows canbe
immediately haltedbyreleasi ngthe switch or,
if the switch waspulledpast theresistance
point andreleased ,by either pressing or
pull ing the respective switch. If
adoor window encounters anobstruction
that blocks itspath inacircumstance where
you areclosing thewindows bypressing and
holding the& button onthe SmartKey or
by pressing andholding thelock button
(vehicles withKEYLES S-GO)onanoutside
door handle, theanti-ent rapment featurewill
not operate.
Act ivate theoverride switchwhenchildren
are riding inthe back seats ofthe vehicle. The
children mayotherwise injurethemselves,
e.g. bybecoming trappedinthe door window
opening. G
WARNING Do
not keep anypart ofyour body upagai nst
the window panewhen opening awindow. The
downward motionofthe pane maypullthat
part ofyour body down between thewindow
pane andthedoor frame andtrap itthere. If
there isarisk ofentrapment ,release the
switch andpullitto close thewindow. Opening
andclosing theside
window s :
Front left
; Front right
= Rear right
? Rear left
The switches forallside windows arelocated
on the driver's door.There isalso aswitch on
each doorforthe corresponding sidewindow. Side
windows
85Opening/closing Z

Page 88 of 396


The
switches onthe driver's doortake
precedenc e. i
The
side windows cannotbe operated
from therear when theoverride featurefor
the side windows isactivat ed(Ypage 59).
X Turn theSmart Keytoposition 1or 2in the
ignition lock.
X To open: pressthecorrespon dingswitch.
X To close: pullthecorrespon dingswitch. i
If
you press theswitch beyond thepoint
of resistanc e,an automatic opening/
closing process isstart edinthe
correspon dingdirection .You can stop
automatic operationbyoperating the
switch again. i
You
cancont inue tooperate theside
windows afteryouswitch offthe engine or
remove theSmart Key.Thisfunct ionis
availa bleforuptofive minutes oruntil the
driver's orfront -passenger doorisopened. Conveni
enceopening feature
You canvent ilate thevehicle beforeyoustart
driving. Todo this, thekey isused tocarry out
the following functionssimultaneously:
R unlock thevehicle
R open theside windows
R open thesliding sunroof orthe panorama
roof with power tilt/sliding panelandthe
roller sunblinds
R switch onthe seat ventilation forthe
driver's seat i
The
conv enienc eopening featurecan
only beoperated usingtheSmart Key.The
Smart Keymust beclose tothe driver's
door handle.
X Point thetipofthe Smart Keyatthe driver's
door handle.
X Press andhold the% button untilthe
side windows andthesliding sunroof orthe
panorama roofwith power tilt/sliding
panel areinthe desired position. If
the roller sunblinds ofthe panorama roof
with power tilt/sliding panelareclosed, the
roller sunblinds areopened first.
X Press andhold the% button againuntil
the panorama roofwith power tilt/sliding
panel isin the desired position.
X To interr uptconvenie nceopening:
release the% button . Conveni
enceclosin g
General notes When
youlock thevehicle, youcan
simultaneously:
R close theside windows
R close thesliding sunroof orthe panorama
roof with power tilt/sliding panel
On vehicles withapanorama roofwith power
tilt/ sliding panel,youcan then close the
roller sunblinds. G
WARNIN
G When
closing thedoor windows andthe
sliding sunroof orpanorama roofwith power
tilt/ sliding panel,makesurethatthere isno
danger ofanyone beingharmed bythe closing
procedure.
If potent ialdanger exists,proceed asfollows:
R Release the& button tostop theclosing
procedure. Toopen, pressandhold the
% button .To cont inue theclosing
procedure aftermaking surethatthere is
no danger ofanyone beingharmed bythe
closing procedure, pressandhold the
& button .
Vehicles withKEYLE SS-GO:
R Release thesensor surface onthe outside
door handle tostop theclosing procedure.
R Immediately pullonthe same outside door
handle andhold firmly. Thedoor windows
and thesliding sunroof orpanorama roof
with power tilt/sliding panelwillopen for
as long asthe door handle isheld butthe
door isnot opened. 86
Side
window sOpening/closing

Page 89 of 396


Using
theSma rtKey i
The
Smar tKeymust beclose tothe
driver' sdoor handle.
X Point thetipofthe Smar tKeyatthe driver' s
door handle.
X Press andhold the& buttonunt ilthe
side windows andthesliding sunrooforthe
panorama roofwith power tilt/sliding
panel arefully closed.
X Make surethatallthe side windows andthe
sliding sunroof orpanorama roofwith
power tilt/sliding panelareclosed.
On vehicles withapanorama roofwith power
tilt/sliding panel:
X Press andhold the& button againuntil
the roller sunblinds ofthe panorama roof
with power tilt/sliding panelclose.
X To interru ptconve nienceclosi ng:
release the& button.
Using KEYLESS-GO The
KEYLE SS-GO key must beoutside the
vehicle. Allthe doors mustbeclosed. X
Touch recessed sensorsurface :onthe
door handle untiltheside windows andthe
sliding sunroof orthe panorama roofwith
power tilt/sliding panelarefully closed. i
Make
sureyouonly touch recessed
sensor surface :.
X Make surethatallthe side windows andthe
sliding sunroof orpanorama roofwith
power tilt/sliding panelareclosed. On
vehicles withapanorama roofwith power
tilt/sliding panel:
X Touch recessed sensorsurface :onthe
door handle againuntiltheroller sunblinds
of the panorama roofwith power tilt/
sliding panelclose.
X To interru ptconve nienceclosi ng:
release recessed sensorsurface :onthe
door handle. Resetting
theside window s
If aside window cannolonger beclosed fully,
you must reset it.
X Close allthe doors.
X Turn theSmartK eytoposition 1or 2in the
ignition lock.
X Pull thecorresponding switchonthe door
cont rolpanel untiltheside window is
completely closed(Ypage 85).
X Hold theswitch foranadditional second.
If the side window opensagainslightly:
X Immediately pullthecorresponding switch
on the door controlpanel untiltheside
window iscompletely closed(Ypage 85).
X Hold theswitch foranadditional second.
X Ifthe corresponding sidewindow remains
closed afterthebutton hasbeen released,
the side window hasbeen reset correct ly.
If this isnot thecase, repeat thesteps
above again. Problems
withtheside window s
Problem: aside window cannotbeclosed
because itis blocked byobject s,e.g.
leaves inthewindow guide.
X Remove theobje cts.
X Close theside window.
Problem :asidewindow cannotbeclosed
and youcannot seethecause. Side
windows
87Opening/closing Z

Page 90 of 396


G
WARNING Clo
sing theside windo wswith increas edforce
or witho utthe anti-entrapme ntfeatu recoul d
lea dto serio usoreven fatalinjury .Make sure
th at nobody canbecome trapped when
clo singth eside windows.
If aside windowisobst ructeddurin gclo sing
and reopen sagain slightly:
X Imm ediat elyafterthewind owbloc ks,pull
th ecor respon dingswit chagain untilth e
side windowhas closed.
The side windowisclo sed with increas ed
for ce.
If aside windowisobst ructedagain during
clo singand reopen sagain slightly:
X Imm ediat elyafterthewind owbloc ks,pull
th ecor respon dingswit chagain untilth e
side windowhas closed.
The side wind owisclo sed with outtheant i-
ent rapm entfeat ure. G
WAR
NING Pullin
gand holdi ngtheswit chtoclo sethe
wind owimm ediat elyafterithad been blocked
two timeswill caus eth ewind owtoclo se
with outtheant i-entrapm entfeat ure foras
lon gas you hold theswit ch. Slid
ingsunroof Imp
ortant safety notes
Your vehicle may beequippe dwith aslidin g
sun rooforapanorama roofwith power tilt/
sliding panel.Inthe following section, the
term "sliding sunroof"refer sto both types of
sliding sunroof . G
WARN
ING When
openin gor closin gthe sliding sunroof ,
make surethatthereis no danger ofanyone
being harmed bythe openin g/closing
procedur e.
The sliding sunroof isequipped with
automatic operationandtheanti- entrapmen t feature.
Ifthe movem entofthe sliding sunroof
is block edduring theclosin gprocedu re,the
slid ing sunroof willstop andopen slightly.
The sliding sunroof operatesdiffere ntlywhen
the slidingsunroof switch ispresse dand held .
See the"Prob lemswiththesliding sunroof"
section formore details.
The opening/cl osingprocedu reofthe sliding
sunroof canbeimmed iatelyhal ted by
relea singthesliding sunroof switch or,ifthe
slid ing sunroof switch was moved pastthe
resista ncepoint andrelea sed,bymoving the
slid ing sunroof switch inany directio n. G
WARNING The
slidingsunroof ismade outofgla ss. Inthe
event ofan accide nt,the glassmay shatter.
This may resul tina no penin gin the roof.
In avehicle rollover, occupants notwearing
their seatbelts ornot wearing themproperly
may bethrown outofthe openin g.Such an
openin galso presen tsapoten tialforinjury for
occ upants wearing theirseatbelts properly,
as ent irebody parts orportion sof them may
protr udefrom thepassenger compartment.
! Only open thesliding sunroof ifit is free
of snow andice.Other wise, malfunc tions
may occur.
Do not allow anythin gto protr udefrom the
sliding sunroof .Othe rwise, the sealscou ld
be dama ged.
! Thewe ath ercan change abruptl y.Itcou ld
sta rtto rain or sno w.Ma kesure tha tthe
sl id ing sunroo fisclosed whenyouleave the
vehicle. Thevehicle electronics canbe
damage difwater enters thevehicle
interior. i
Resonance
noisescanoccur inaddition
to the usua lairflow noiseswhenthesliding
sunroof isopen. Theyarecaused byminor
pressure fluctuations inthe vehicle interior.
Change theposition ofthe sliding sunroof
or open aside window slightlytoreduce or
eliminate thesenoises. 88
Sliding
sunroofOpening/closing

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