Opening
X
Fold therear seat backr estforwards
(Y page 255).
X Take themechan icalkey outofthe Smart -
Key (Ypage 71).
X Inser tmechan icalkey 0044into opening 0043in
the trim andpush itin.
X Open thetailgate.
X Inser tthe mechan icalkey into theSmart Key
(Y page 72). Emergency
releasebutton
You canopen thetrun klid from inside the
vehicle withtheemergen cyrelease button. X
Press emergen cyrelease button0043briefly.
The trunklid unlock sand opens.
The trunklid can beunlock edand opened with
the trun klid emergen cyrelease whenthevehi-
cle isstat ionary orwhile driving.
The trunklid emergen cyrelease doesnotopen
the trun klid ifthe batter yis discon nectedor
discharged. Trunk
lidemergen cyrelease light:
R Emer gencyrelease button0043flashes for
30 minut esafter thetrun klid isopened.
R Emer gencyrelease button0043flashes for
60 minut esafter thetrun klid isclosed. Side
windows Impor
tantsafet ynotes G
WARN
ING
While opening theside windows, bodyparts
could become trappedbetween theside
window andthedoor frame asthe side win-
dow moves. Thereisarisk ofinjur y.
Make surethatnobody touches theside
window duringtheopening procedure. If
somebody becomestrapped,releasethe
switch orpull theswitch toclose theside
window again. G
WARN
ING
While closing theside windows, bodyparts
in the closing areacould become trapped.
There isarisk ofinjur y.
When closing makesurethatnoparts ofthe
body areinthe closing area.Ifsomebody
becomes trapped,releasetheswitch or
press theswitch toopen theside window
again. G
WARN
ING
If children operatetheside windows they
could become trapped, particularly ifthey
are left unsupervised. Thereisarisk of
injur y.
Act ivate theoverride featureforthe rear
side windows. Whenleaving thevehicle,
alway stake theSmart Keywith youand lock
the vehicle. Neverleavechildren unsuper-
vised inthe vehicle. Side
window reversing feature
The side windows areequipped withanauto-
matic revers ingfeature. Ifasolid objec tblocks Side
windows
83Openingandclosi ng Z
Problem
Possible
causes/co nsequences and0050 0050
Solutions A
side window cannot
be closed because itis
blocked byobject s,e.g.
leaves inthe window
guide. X
Remove theobject s.
X Close theside window. A
side window cannot
be closed andyoucan-
not see thecause. If
aside window isobstruct edduring closing andreopens again
slightly:
X Immediately afterthewindow blocks,pullthecorrespondin g
switch againuntiltheside window hasclosed.
The side window isclosed withincreased force.
If aside window isobstruct edagain during closing andreopens
again slightly:
X Immediately afterthewindow blocks,pullthecorrespondin g
switch againuntiltheside window hasclosed.
The side window isclosed without theautomatic reversingfea-
ture. The
side windows can-
not beopened orclosed
using theconven ience
opening/c losingfea-
ture. The
SmartK eybattery isdischarged ornearly discharged.
X Check theSmartK eybattery (Ypage 72)and replace itifneces-
sary (Ypage 72). Panoram
aroof with power tilt/slid-
ing panel Import
antsafety notes
In the following section,theterm "slidingsun-
roof" refers tothe panorama roofwith power
tilt/sliding panel. G
WARNING
While opening andclosing thesliding sun-
roof, body parts inclose proximity could
become trapped. Thereisarisk ofinjury.
Make surethatnobody parts areinclose
proximity duringtheopening andclosing
procedures.
If somebody becomestrapped:
R release theswitch immediately, or
R during automatic operation, pushthe
switch brieflyinany direction
The opening orclosing procedure willbe
stopped. G
WARNING
If children operatethesliding sunroof they
could become trapped, particularly ifthey
are left unsupervised. Thereisarisk of
injury.
When leaving thevehicle, alwaystake the
SmartK eywith youand lock thevehicle.
Never leavechildren unsupervised inthe
vehicle. G
WARNING
At high speeds theraised sliding sunroof
automatically lowersslightly atthe rear. This
could trapyouorother persons. Thereisa
risk ofinjury. Makesurethatnobody rea-
ches intothesweep ofthe sliding sunroof
whilst thevehicle isin motion.
If somebody becomestrapped,immediately
pull back thesliding sunroof switch.The
sliding sunroof liftsduring opening. Panoram
aroof with power tilt/sliding panel
87Opening andclosing Z
Corr
ectdriver 'sseat position G
WAR
NING
You couldlose control of your vehicle ifyou
do thefoll owin gwhile driving:
R adj ust thedriv er'sseat ,head restraint ,
st eer ing wheel ormir rors
R fast entheseat belt
Ther eis aris kof an acc iden t.
Adj ust thedriv er'sseat ,head restraint ,
st eer ing wheel andmirror and fastenyour
seat beltbefore start ing theen gin e. Obse
rveth efoll owin gwhen adjust ing steer ing
wheel 0043,seat belt0044and driver'sseat 0087:
R you areasfar away from thedriv er'sair bag
as poss ible
R you aresittin gin ano rm aluprig htposi tion
R your thighs aresligh tlysuppo rted bythe
seat cushion
R your legsarenoten tirely stret ched and you
can depr essthepedals properl y
R theback ofyour head issuppo rted ateye
leve lby thecen terof thehead restraint
R you can hold thest eer ing wheel withyour
arm ssligh tlyben t
R you can mov eyour legsfreely
R you can seeallthedispl aysintheins tru-
men tclus tercle arly R
you should have agood overview oftraff ic
con dition s
R theseat beltispulled snugly again stthe
body andisrout edacr oss thecen terof your
sho ulder andacross your hipsinthepelv ic
area
i Further relat edsubj ects:
R Ad jus tingth eseat sman ually
(Y page 94)
R Ad jus tingth eseat selec tricall y
(Y page 94)
R Ad jus tingth est eer ing wheel manually
(Y page 97)
R Fas tenin gth eseat beltcorrectly
(Y page 43)
R Ad jus tingth erear -view mirror and exte-
rior mirrors(Y page 98)
R Veh icles withamem oryfunct ion: sav-
ing theseat ,st eer ing wheel andexterior
mir ror settings usin gth emem oryfunction
(Y page 101) Seat
s Imp
ortant safety notes G
WAR
NING
Childr encoul dbec ome trapped ifth ey
adj ust theseat s,part icular lywhen unatten-
ded. Thereis aris kof injury.
When leavingtheveh icle,always taketh e
Sm artKey withyou and lockth eveh icle.This
also applies fortheDig ital Veh icle Key ifth e
"Dig italVeh icle Key" function isact ivat edvia
Mer cedesme connect.Nev erleave childre n
uns uperv isedintheveh icle.
The seat scan still be adjust edwhen there is
no Sm artKey intheign ition lock. G
WAR
NING
When youadjust aseat ,you orother vehicle
occ upan tscoul dbec ome trapped, e.g.on
th eseat guide rail.Ther eis aris kof injury.
When adjust ing aseat ,mak esure that no
on ehas any body partsin thesweep ofthe
seat . 92
Seat
sSeat s,steerin gwheel andmirro rs
The
three redindicator lampsinthe button
indicate theheating levelyouhave selected.
The system automatically switchesdownfrom
level 3to level 2after approximately eight
minutes. The
system automatically switchesdownfrom
level 2to level 1after approximately ten
minutes.
The system automatically switchesoffapprox-
imately 20minutes afteritis set tolevel 1.
X Turn theSmart Keytoposition 0047or0048 in
the ignition lock(Ypage 125).
X To switch on:press button 0043repeatedly
until thedesired heating levelisset.
X To switch off:press button 0043repeatedly
until allthe indicator lampsgoout.
i If
the battery voltage istoo low, theseat
heating mayswitch off.
Problems withtheseat heating Problem
Possible
causes/conse quencesand0050 0050
Solutions The
seat heating has
switched offprema-
turely orcann otbe
switched on. The
on-board voltageistoo low because toomany electric alcon-
sumers areswitched on.
X Switch offelectric alconsumer sthat youdonot need, suchasthe
rear window defrosteror inter iorlighting.
Once thebattery issufficient lycharged, theseat heating will
switch backonautomatically. Steering
wheel Import
antsafety notes G
WARNIN
G
You could losecontrolofyour vehicle ifyou
do the following whiledriving:
R adjust thedriver's seat,head restraint,
steerin gwheel ormirrors
R fasten theseat belt
There isarisk ofan accident .
Adjust thedriver's seat,head restraint,
steerin gwheel andmirror andfasten your
seat beltbefore startingthe engine. G
WARNIN
G
Children couldinjure themselves ifthey
adjust thesteerin gwheel. Thereisarisk of
injury. Never
leavechildren unsupervised inthe
vehicle.
When leaving thevehicle, alwaystake the
Smart Keywith youand lock thevehicle. This
also applies forthe Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect. Adjust
ingthe steering wheel G
WARNIN
G
If the steerin gwheel isunlocked whilethe
vehicle isin motion ,it could change position
unexpect edly.Thiscould cause youtolose
cont rolofthe vehicle. Thereisarisk ofan
accident . Steering
wheel
97Seats,steering wheelandmirrors
Z
Memory
function Important
safetynotes G
WARNING
If you usethememory function onthe driv-
er's side whiledrivi ng,you couldlose con-
trol ofthe vehicl eas aresu ltof the adju st-
ments being made .There isarisk ofan acci-
dent.
Only usethememory function onthe driv-
er's side when thevehicl eis stationa ry. G
WARNING
When thememory function adjuststhe seat,
you and other vehicleoccupa nts–parti cu-
larl ychild ren–coul dbecome trapped.There
is arisk ofinjury .
Whil ethe memory function ismaking adjust-
ments, makesurethatnoone hasany body
parts inthe swee pof the seat. Ifsomeb ody
become strappe d,immed iatelyrele ase the
memory function position button. The
adju stment process isstoppe d. G
WARNING
Chi ldre ncoul dbecome trappedifthey acti-
vate thememory function, particularlywhen
unattended .There isarisk ofinjury .
Never leavechild renunsu pervi sedinthe
vehicl e.
When leaving thevehicl e,alw aystake the
SmartKey withyouand lock thevehicl e.This
als oapp liesfor the Digita lVehi cleKey ifthe
"Digi talVehi cleKey" function isactiva tedvia
Mercede sme connect.
The memory function canbeuse dat any time,
e.g. even when theSmartKey isnot inthe igni-
tion lock. Storing
settings
With thememory function, youcan store upto
three different settings, e.g.forthree different
peop le.
The followi ngsettings arestored asasingl e
memory preset: R
Seat andbackrest position
R Driver's side:posi tion ofthe exterior mirrors
on the drive r'sand front-passeng erside s X
Adjust theseat (Ypag e94).
X Adjust theexterior mirroronthe drive r's
side (Ypag e98) .
X Briefl ypress theMmemory buttonandthen
press presetposi tion button 1,2or 3withi n
three seconds.
The settings arestored inthe sele cted pre-
set posi tion. Atone sound swhen theset-
tings havebeen comple ted. Call
ingupastored setting
X Press andhold therelevant prese tposi tion
button 1,2or 3until theseat andexterior
mirrors areinthe stored position.
i The
setting procedureisinterrup tedas
soon asyou release thestorage position
button. Memory
function
101Seats, steering wheeland mirrors Z
The
engine canbeswitched offwhile thevehi-
cle isin motion bypressing andholding the
Start /Stopbutton forthree seconds. This
funct ionoperates independent lyof the ECO
start /stopautomatic engineswitch-offfunc-
tion.
Key positions withtheStar t/Stop button 0043
Start /Stopbutton
0044 Ignit ionlock
As soon asthe ignition isswitched on,allthe
indicator lampsinthe instr ument cluster light
up.
For further informationonsituations inwhich
an indicator lampeither failstogo out after
the engine isstart edorlights upwhile driving,
please referto"Warning andindicator lampsin
the instr ument cluster" (Ypage 233).
If Start /Stopbutton 0043has notyetbeen
pressed, thisisthe same asthe Smart Key
being removed fromtheignition.
X To switch onthe power supply:press
Start /Stopbutton 0043once.
The power supply isswitched on.You can
now activate thewindshield wipers,for
example.
The power supply isswitched offagain if:
R the driver's doorisopened and
R you press Start/Stopbutton 0043twice when
in this position
X To switch onthe ignition: pressStart/
Stop button 0043twice.
The ignition isswitched on.
If you press Start/Stopbutton 0043once
when inthis position, theignition is
switched offagain. Removing
theStar t/Stop button
You canremove theStart /Stopbutton from
the ignition lockandstart thevehicle asnor-
mal using theSmart Key.
You canonly switch between Start/Stopbut-
ton mode andSmart Keyoperation whenthe
vehicle isstation ary.
You must alsoengage parkposition 005D.
X Remove Start/Stopbutton 0043from ignition
lock 0044.
You donot have toremove theStart /Stopbut-
ton from theignition lockwhen youleave the
vehicle. Youshould, however, alwaystake the
Smart Keywith youwhen leaving thevehicle.
As long asthe Smart Keyisin the vehicle:
R the vehicle canbestart edusing theStart /
Stop button
R the electric allypowered equipment canbe
operated Star
ting theengine
Import antsafety notes G
WARNIN
G
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment
Addition ally,children couldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmission outof
park position 005D
R start theengine
There isarisk ofan accident andinjury.
Never leavechildren oranimals unattended
in the vehicle.
When leaving thevehicle, alwaystake the
Smart Keywith youand lock thevehicle. This
also applies forthe Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect. G
DANGER
Combustion enginesemitpoisonous
exhaust gasessuchascarbon monoxide. 126
DrivingDriving
andparking
G
WARNING
Fuel sare toxic andharmfu lto hea lth. There
is arisk ofinjury .
You must avoidfuel scoming intocontact
with skin, eyesand clothes orbei ng swa l-
low ed.
Do not inhal ethe fuel vapo rs.Keep children
awa yfrom fuels.
Keep doors andwindo wsclosed duringthe
refue lingprocess .
If you orothers comeintocontact withfuel,
obse rvethe followi ngpoints:
R Immedi atelyrinse thefuel offyou rskin
with soap andwate r.
R Ifyou getfuel into youreye s,immed iately
rinse youreye sthrough lywith clean
water .Seek medicalattention immedi-
ately .
R Seek medicalattention immediatelyif fuel
has been swallowed .Do not indu cevomit-
ing.
R Immedi atelychange outofclothing which
has come intocontact withfuel. G
WARNING
Electrostatic chargingcan leadto the crea-
tion ofspar ksand ignite fuelvapo r.There is
a risk offire and explo sion.
Tou chthe metall icbody ofthe vehicl e
before youopen thefuel filler cap orhandl e
the pump nozzle. Anypossi bleelectrosta tic
charge presentwil lin this way bedepl eted.
Do not getinto thevehicl eaga induri ngthe
refue lingprocess .Otherwi se,electrosta tic
charge couldbui ldup aga in.
! Do
not use diesel torefue lvehicl eswith a
gaso lineengine. Donot switch onthe igni-
tion ifyou accide ntallyrefuelwith thewrong
fuel .Otherwi se,the fuel willenter thefuel
system. Evensmallamou ntsofthe wrong
fuel couldresu ltin dama getothe fuel sys-
tem andtheengine. Notifyaqua lified spe-
cial istworksho pand have thefuel tank and
fuel lines drained comple tely. !
Overfil
lingthefuel tank coulddama gethe
fuel system.
! Take
carenottospil lany fuel onpainted
surfa ces.Youcouldotherwi sedama gethe
pai ntwork.
! Use
afilter when addingfuel from afuel
can. Thefuel lines and/or thefuel injection
system couldotherwi sebe blocked byparti-
cles from thefuel can.
Do not getinto thevehicl eaga induri ngthe
refue lingprocess .Otherwi se,electrosta tic
charge couldbui ldup aga in.
If you overfil lthe fuel tank, fuelcouldspra y
out when thefuel pump nozzle isremoved .
For further informati ononfuel andfuel quality
(Y pag e335). Refuel
ing
Gene ralinfo rmation Pay
attention tothe importa ntsafety notes
(Y pag e142) .
The fuel filler flap isunlocked /lockedautomat-
ical lywhen youunlock/lo ckthe vehicl ewith
the SmartKey .
The position ofthe fuel filler cap isdisp layed
00D4 inthe instrument cluster.Thearrow on
the filling pump indicatesthe side ofthe vehi-
cle. On
the insid eof the fuel filler cap, youwillfind
informati ononthe recommende dfuel . Refuel
ing
143Drivingand parking Z
Problems
withfuelandthefuel tank Problem
Possible
causes/co nsequences and0050 0050
Solutions Fuel
isleaking fromthe
vehicle. The
fuel lineorthe fuel tank isfaulty.
G WARNING
Risk ofexplosion orfire.
X Apply theelectric parking brake.
X Switch offthe engine.
X Remove theSmartK eyfrom theignition lock.
or, invehicles withKEYLE SS-GO start- functionorKEYLE SS‑GO
X Open thedriver's door.
The vehicle electron icsare now inposition 005A.This isthe same
as the SmartK eybeing removed fromtheignition.
X Do not restart theengine underanycircumst ances.
X Consult aquali fiedspecialist workshop. The
fuel filler flapcan-
not beopened. The
fuel filler flapisnot unlocked.
X Unlock thevehicle (Ypage 69). The
SmartK eybattery isdischarged ornearly discharged.
X Unlock thevehicle usingthemechanical key(Ypage 76). The
fuel filler flapisunlocked, buttheopening mechanism isjam-
med.
X Consult aquali fiedspecialist workshop. Parking
Import
antsafety notes G
WARNING
Flammable materialsuchasleaves, grassor
twigs mayignite ifthey come intocontact
with hotparts ofthe exhaust systemor
exhaust gasflow. There isarisk offire.
Park thevehicle sothat noflammable mate-
rials come intocontactwith parts ofthe
vehicle whicharehot. Take particular care
not topark ondry grassland orharvested
grain fields. G
WARNING
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment Additionally,
childrencouldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmissionoutof
park position 005D
R start theengine
There isarisk ofan accident andinjury.
Never leavechildren oranimals unattended
in the vehicle.
When leaving thevehicle, alwaystake the
SmartK eywith youand lock thevehicle. This
also applie sfor the Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect.
! Always
securethevehicle correctlyagainst
rolling away.Otherwise, thevehicle orits
drivetrain couldbedamaged. Park
ing
145Driving andparking Z