
You
should therefo readapt yourdrivin gstyle
to the diffe renthandlin gchar acterist ics.Have
the brak esyste mchec kedataqualified spe-
cialist workshop.
Please observethe informat iononwarnin gand
indic atorlamps (Ypage 222)
(Y page 222)aswell ason display messag es
(Y page 196). ADAPTIVE
BRAKE
AD APTI VEBRA KEenhan cesbrak ingsafet yand
offe rsinc reased brakingcom fort.In addition to
the brak ingfunc tion,AD APTI VEBRA KEalso has
the HOL Dfunc tion (Ypage 158)andhillstar t
assist (Ypage 126). STEER
CONTROL
Genera linfor mation STE
ERCONTROL helpsyoubytransm itting a
not iceable steerin gforc eto the steerin gwheel
in the direc tionrequired forvehic lestabiliz ation.
This steerin gassist anceis prov ided inpart icular
if:
R both right wheels orboth leftwheels areona
wet orslippery roadsurfac ewhen youbrak e
R the vehic lebegins toskid
Imp ortant safet ynotes i
Obser
vethe "Impor tantsafet ynot es" sec-
tion (Ypage 61).
No steerin gassist anceis prov ided from STEER
CONTROL, if:
R ES P®
is malfun ctionin g
R the steerin gis malfun ctionin g
If ES P®
is malfun ctionin g,you willbeassist ed
furt her bythe elect ricalpower steerin g. Prot
ection againsttheft Imm
obilizer
The immobiliz erpreve ntsyour vehic lefrom
being started without thecorrectSmar tKey. X
To activ atewith theSma rtKey: removethe
Smar tKey from theignit ionlock .
X To
activ atewith KEYLESS-GO start-fu nc-
tion orKEYLESS-GO: switchthe ignit ionoff
and open thedriver 'sdoor.
X To deact ivate:switc hon the ignit ion.
When leaving thevehic le,always takethe
Smar tKey with youand lock thevehic le.Anyone
can startthe engin eif avalid Smar tKey has been
left inside thevehic le.
i The
immobiliz erisalways deactivatedwhen
you startthe engin e.
In the even tthat theengin ecan not bestar ted
(yet thevehic le'sbatt eryischar ged), thesys-
tem isnot operat ional.Contactanauthor ized
Merc edes- BenzCent eror call
1- 800 -FOR-ME RCedes (inthe USA )or
1- 800 -387- 010 0(in Canada). ATA
(anti- theft alar msyst em) X
To arm: lock thevehic lewith theSmar tKeyor
KEYL ESS-GO.
Indic atorlamp 0043flashes. Thealarm system
is armed afterapproxim ately15secon ds.
X To disar m:unlock thevehic lewith theSmar t-
Key orKEYL ESS-GO.
or X Ins ert the Smar tKeyint othe ignit ionlock .
A visual andaudible alarmistrig gered ifthe
alarm system isarmed andyouopen:
R adoor
R the vehic lewith themech anical key
R the trun klid
R the hood 68
Prot
ection against theftSafet y

Smar
tKey Import
antsafety notes G
WARNING
If children areleft unsupervised inthe vehicle,
they could:
R operate thevehicle's equipment
Additionally, childrencouldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmissionoutofpark
position 005D
R start theengine
There isarisk ofan accident andinjury.
Never leavechildren oranimals unattendedin
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. G
WARNING
If you attach heavyorlarge object sto the
SmartK ey,the SmartK eycould beuninten -
tionally turnedinthe ignition lock.Thiscould
cause theengine tobe switched off.There isa
risk ofan accident.
Do not attach anyheavy orlarge object sto the
SmartK ey.Remove anybulky keyrings before
insertin gthe SmartK eyinto theignition lock.
! Keep
theSmartK eyaway fromstrongmag-
netic fields. Otherwise, theremote control
funct ioncould beaffected.
Str ong magnetic fieldscanoccur inthe vicin-
ity ofpowerful electrical installations.
Do not keep theSmartK ey:
R with electron icdevices, e.g.amobile phone
or another SmartKey
R with metallic objects,e.g. coins ormetal foil
R inside metallic objects,e.g. ametal case
Vehicles withKEYLESS-GO startfunction: do
not keep theSmartK eyinthe trunk .Otherwise, the
SmartK eymay notbedetect ed,e.g. when
startin gthe engine usingtheStart /Stopbutton. Smar
tKeyfunctions 0043
0037 Tolock thevehicle
0044 0054 Toopen thetrunk lid
0087 0036 Tounlock thevehicle
If you donot open thevehicle withinapprox-
imately 40seconds ofunlocking:
R the vehicle islocked again.
R protect ionagainst theftisreactivated.
X To lock: press the0037 button.
The SmartK eycent rally locks/un locks:
R the doors
R the trunk lid
R the fuel filler flap
The turn signals flashonce when unlocking and
three times whenlocking.
When thelocator lighting isactivated viathe
multimedia system,itlights upwhen itis dark
after thevehicle isunlocked withtheremote
cont rol;see Digital Operator's Manual.
You canalso setanaudib lesignal toconfirm
that thevehicle hasbeen locked. Theaudib le
signal canbeactivated anddeactivated using
the on-board computer (Ypage 190).
X To open thetrunk lidautom atically: press
and hold the0054 button untilthetrunk lid
opens (Ypage 79). 70
Smar
tKeyOpening andclosing

KEYLESS-
GO
Gene ralnot es Be
ar inmin dth at theen gin ecan bestart ed by
any oftheveh icleoc cup antsif th ere isaSm art-
Key intheveh icle.
Lockin gand unlockin g You
canstart ,loc kor unl ockth eveh icleusin g
KE YLE SS-GO .To do this, you onlyne ed car rythe
Sm artKey withyou. Youcancombi nethefun c-
ti on sof KE YLE SS-GO withth ose ofaco nven -
ti on alSm artKey. Unloc kth eveh icleby usin g
KE YLE SS-GO ,for instan ce,and lockit usin gth e
0037 buttonon theSm artKey.
The driver 'sdoor andthedoor atwhic hth ehan -
dle isused ,mus tbot hbe closed. TheSmartKey
mus tbe out side theveh icle. Whe nloc king or
unl ocking withKE YLE SS-GO ,th edist ance
bet ween theSm artKey and theco rrespo nding
door handlemus tno tbe gre aterth an three feet
(on emet er).
A ch eckwhic hper iodic allyestablis hesaradi o
co nn ection bet ween theveh icleand theSm art-
Key determ ineswhet heravalid SmartKey isin
th eveh icle. This occur s,for exampl e:
R when start ing theen gin e
R while drivin g
R when usingHA ND S-FRE EACCE SS
R when theex tern al door handles aretouch ed
R duri ngconven ien ceclosing X
To unl ock theveh icle: touch theinn ersur -
fac eof thedoor handle.
X To lock theveh icle: touch sensor surface0043
or 0044. Mak
esur eth at you donotto uch theinn er
sur faceof thedoor handle.
X Conve nienceclosin gfea ture: touch
rec ess edsen sor surface0044 for anextend ed
per iod.
Fur ther inform ation on theco nven ien ceclo s-
ing feat ure (Ypage 84). X
To unl ock thetrunk lid:pull trunk lidhan -
dle 0043.
Deact ivating and activating If
you donotint endto use theveh iclefor alon -
ger period oftime, youcan deac tivat eKE YLE SS-
GO. TheSmartKey willthen use verylit tle powe r,
th ere byconserv ing battery powe r.Fo rth epur-
pos esofact ivat ion/de activat ion,th eveh icle
mus tno tbe nearby.
X To dea ctivate: pre ssthe0037 buttonon the
Sm artKey twice inrapi dsuc cessi on.
The indicat orligh ton theSm artKey flashes
twi ce brieflyth en onelon gflas h,then KEY-
LE SS -GO isdeac tivat ed (Ypage 73).
X To act ivate: pressany buttonon theSm art-
Key.
or X Inser tth eSm artKey intoth eign ition lock.
KE YLE SS-GO andallofits asso ciatedfeat ures
are avail able again . KEYLESS-
GOstar tfu nct ion
Gene ralnot es Be
ar inmin dth at theen gin ecan bestart ed by
any oftheveh icleoc cup antsif th ere isaSm art-
Key intheveh icle. Sm
artKey
71Opening andclosing Z

Cha
nging theset tings ofthelockin g
syst em
You canchang eth eset tings oftheloc kin gsys-
te m. This mean sth at onlythedriv er'sdoor and
th efuel fillerflap areunlo cked when theveh icle
is unlo cked. This isusef ulifyou frequen tlytravel
on your own.
X To cha nge theset ting:pres sand hold the
0036 and0037 buttons sim ultan eousl yfor
appro ximatelysix sec onds unt ilth ebat tery
ind icat orlamp flashes twice (Ypage 73).
If th eset tingof theloc kin gsyst emisch ang ed
wit hin thesign alran geoftheveh icle,pres sing
th e0037 or0036 button:
R loc ksor
R unlo cksth eveh icle
The SmartKey nowfun ction sas foll ows:
X To unlo ck:pres sth e0036 buttonon ce.
X To unlo ckcent rally: pres sth e0036 button
twi ce.
X To lock centrally: pres sth e0037 button.
The KEYLE SS-GO function isch ang edasfol-
lows:
X To unlo ckthedr iver 'sdoor :to uch theinn er
surf ace ofthedoor handleonthedriv er's
door .
X To unlo ckcent rally: touch theinn ersurf ace
of thedoor handleonthefron t-passe nger
door ortherear door.
X To lock centrally: touch theout ersen sor
surf ace ononeof thedoor handles.
X To res toreth efa ctor yset tings: pres sand
hold the0036 and0037 buttons sim ultan e-
ously forappro ximatelysix sec onds unt ilth e
bat tery check lamp flashes twice
(Y page 73). Mech
anicalkey
Gener alnot es If
th eveh icle can nolonger belockedor
unlo cked withth eSm artKey orKEYLE SS-GO ,
use themec hanical key.
If you usethemec hanical keyto unlo ckand
open thedriv er'sdoor orthetrunk lid,theant i-
th eft alarm systemwill betrigger ed(Ypage 68). Ther
eare several ways totur noff thealarm :
X To dea ctiv ateth eala rm with thekey: press
th e0036 or0037 buttonon theke y.
or X Inser tth eSm artKey intoth eign ition lock.
or X To
dea ctiv ateth eala rm with KEYLESS- GO:
pres sth eSt art /S topbut tonin theign ition
loc k.The SmartKey must beintheveh icle.
or
X Loc kor unlo cktheveh icle usin gKE YLE SS-
GO. TheSmartKey must beout side theveh i-
cle .
If you unlo cktheveh icle usin gth emec hanical
ke y,thefuel fillerflap willnotbe unlo cked auto -
mat icall y.
X To unlo ckthefu el fille rfla p:ins ert the
Sm artKey intoth eign ition lock.
Rem oving themech anicalkey X
Push release catch0043 inthedire ction ofthe
arr ow and atthesame timerem ove mec han-
ical key0044 from theSm artKey.
For further inform ationabout :
R Un loc kin gth edriv er'sdoor (Ypage 77)
R Un loc kin gth etrunk (Ypage 82)
R Loc kingth eveh icle (Ypage 77)
Inser tingth emech anicalkey X
Push mechanical key0044 com pletelyintoth e
Sm artKey untilit en gages andrelease
cat ch0043 isback inits basic position. 72
Sm
artKeyOp ening andclosing

Problems
withtheSmar tKey Problem
Possible
causes/co nsequences and0050 0050
Solutions You
cannot lockor
unlock thevehicle using
the SmartK ey. The
SmartK eybattery isdischarged ornearly discharged.
X Vehicles
withoutKEYLESS-GO orKEY LESS-GO startfunction:
try tolock/un lockthevehicle againusingtheSmartK ey'sremote
cont rolfunct ion.Point thetipofthe SmartK eyatthe driver's door
handle fromclose range andpress the0036 or0037 button.
If this does notwork:
X Check theSmartK eybattery (Ypage 73)and replace itifnecessary
(Y page 73).
X Unlock (Ypage 77)orlock (Ypage 77)thevehicle usingthe
mechanical key. There
isinterf erence fromapowerful sourceofradio waves.
X Vehicles
withoutKEYLESS-GO orKEY LESS-GO startfunction:
try tolock/un lockthevehicle againusingtheSmartK ey'sremote
cont rolfunct ion.Point thetipofthe SmartK eyatthe driver's door
handle fromclose range andpress the0036 or0037 button.
If this does notwork:
X Unlock (Ypage 77)orlock (Ypage 77)thevehicle usingthe
mechanical key. The
SmartK eyisfaulty.
X Unlock (Ypage 77)orlock (Ypage 77)thevehicle usingthe
mechanical key.
X Have theSmartK eycheck edataquali fiedspecialist workshop. You
cannolonger lockor
unlock thevehicle using
KEYLE SS-GO. The
SmartK eybattery isdischarged ornearly discharged.
X Check theSmartK eybattery (Ypage 73)and replace itifnecessary
(Y page 73).
If this does notwork:
X Unlock (Ypage 77)orlock (Ypage 77)thevehicle usingthe
mechanical key. There
isinterf erence fromapowerful sourceofradio waves.
X Unlock (Ypage 77)orlock (Ypage 77)thevehicle usingthe
mechanical key. 74
Smar
tKeyOpening andclosing

G
WARNING
The reversi ngfeatu redoes notrespo nd:
R to soft, light and thin objects, e.g.fingers
R over thelast1/3 in(8 mm) ofthe closi ng
movement
The reversi ngfeatu recannot prevent some-
one from becomi ngtrappe din these situa-
tions inparticu lar.There isarisk ofinjury .
Make surethatnobody parts areinclose
proximi tyduri ngthe closi ngproced ure.
If someb odybecome strappe d:
R press the0054 button onthe SmartKey ,or
R pul lor press theremote operatingswitch
on the drive r'sdoor or
R press theclosi ngbutton/STOP buttonin
the tailgate or
R pul lthe handl eon the tailgate
Vehic leswith HANDS -FREEACCES S:itis als o
possi bletostop theclosi ngprocess byperform-
ing akicking movement undertherear bump er. Openi
ng/closing from outside
Openi ng X
Press the0036 button onthe SmartKey .
X Pul lhandl e0043.
X Lift the trunk lid. Clo
sing X
Pul ldow nthe trunk lidusing handl e0043.
X Let the trunk liddrop intothelock.
X Ifnecessa ry,lock thevehicl ewith the0037
button onthe SmartKey orwith KEYLESS-GO. Openi
ngautomaticall yfrom outside
Important safetynotes G
WARNING
Comb ustionengines emitpoisonous exhaust
gase ssuch ascarbon monoxide .Exhaust
gase scan enter thevehicl einterior ifthe
trunk lidisopen when theengine isrunning,
espe ciallyifthe vehicl eis in motion. Thereisa
risk ofpois oning.
Alwa ysswi tch offthe engine beforeopening
the trunk lid.Never drivewiththetrunk lid
open.
! The
trunk lidswi ngs upw ards when opened .
There fore,make surethatthere issuffi cient
clea rance abovethe trunk lid.
i The
openi ngdime nsions ofthe trunk lidcan
be found under "Vehicledata "(Y pag e325) .
Openi ngautomaticall y You
canopen thetrunk lidautomatical lyusi ng
the SmartKey orthe handl ein the trunk lid.
X Press andhold the0054 button onthe Smart-
Key until thetrunk lidopens.
or X Ifthe trunk lidisunlocked ,pul lthe trunk lid
handl eand letitgo aga inimmed iately. Trunk
79Openingand closi ng Z

HANDS
-FREEACCESS
Important safetynotes G
WARNING
The vehicl eexhau stsystem canbecome very
hot. Ifyou useHANDS-F REEACCESS, you
coul dburn yourself bytouching theexhau st
system. Thereisarisk ofinjury .Alwa ys
ensure thatyoumake thekicking movement
only withi nthe detection rangeofthe sensors.
! If
the SmartKey iswithi nthe rear detection
range ofKEYLESS-GO, thefollowi ngsitua -
tions, forexampl e,coul dlea dto the uninten-
tional openingofthe trunk lid:
R when using anautomatic carwas h
R when using apow erwas her
Make surethattheSmartKey isat lea st10 ft
(3 m) awa yfrom thevehicl e.
i You
canalsodea ctivate KEYLESS-GO. Fur-
ther informati onondea ctivating andactiva t-
ing KEYLESS-GO (Ypag e71) .
Gene ralnote s With
KEYLESS-GO andHANDS-F REEACCESS,
you can open thetrunk lidwitho utusi ng you r
hands. Thisisuse fulifyou have yourhands full.
To do this, make akicking movement underthe
bump erwith yourfoot.
Observe thefollowi ngpoints:
R Ca rry you rKEYLESS-GO keyaboutyou rper-
son. TheSmartKey mustbeatthe rear ofthe
vehicl ein the detection rangeofKEYLESS-
GO.
R When making thekicking movement, make
sure thatyouarestanding firmlyonthe
grou ndand that there issuffi cient clearance
to the rear ofthe vehicl e.You couldotherwi se
lose yourbal ance, forexampl eon ice. R
Alwa ysensure thatyouonly make thekicking
movement withinthe detection rangeofsen-
sors 0043.
R Stand atlea st12 in(30 cm) awayfrom the
rear area whiledoing so.
R Do not come intocontact withthebump er
whi lemaking thekicking movement. Other-
wis e,the sensors maynotfunction correctly .
R HANDS-F REEACCESS doesnotfunction dur-
ing engine start.
R Dirt caus edbyroad saltor snow aroundsen-
sors 0043may restrict functional ity.
Using theHANDS-F REEACCESS withapros-
thetic legmay restrict functional ity.
R IfaKEYLESS-GO keyisat the rear ofthe vehi-
cle inthe detection rangeofKEYLESS-GO,
HANDS-F REEACCESS couldbe triggere d.
The trunk lidcoul dthus beopened uninten-
tional ly,for exampl e,when you:
- set somethi ngdow nor lift somethi ngup
behi ndthe vehicl e.
- poli shthe rear ofthe vehicl e.
Do not carry theKEYLESS-GO keyaboutyou r
perso nin these situations orinsitua tions sim-
ila rto these. Thiswillprevent theuninten-
tional openingofthe trunk lid. 80
TrunkOpen
ingand closi ng

G
WARNING
If child renopera tethe side windo wsthey
coul dbecome trapped,particu larlyif they are
left unsu pervi sed.There isarisk ofinjury .
Activate theoverrid efeatu refor the rear side
windo ws.When leaving thevehicl e,alw ays
take theSmartKey withyouand lock thevehi-
cle. Never leavechild renunsu pervi sedinthe
vehicl e. Side
window reversi ngfeature
The side windo wsare equipped with anauto-
matic reversi ngfeatu re.Ifasoli dobject blocks
or restricts aside windo wfrom traveli ng
upw ards duringthe automatic closingprocess ,
the side windo wopens againau tomatica lly.Dur-
ing the manua lclosi ngprocess ,the side windo w
only opens againautomatica llyafter thecorre-
spondi ngswi tch isrele ased .The automatic
reversi ngfeatu reisonly anaid and does not
reli eve you ofthe respo nsibilityofpay ing atten-
tion when closingaside windo w. G
WARNING
The reversi ngfeatu redoes notreact:
R to soft, light and thin objects, e.g.smal lfin-
gers
R whi leadju sting
This means thatthereversi ngfeatu recannot
prevent someone being trappe din these sit-
ua tions. There isarisk ofinjury .
Make surethatnobody parts areinclose
proximi tyduri ngthe closi ngproced ure.If
someone becomestrappe d,press the0062
button toopen theside windo waga in. Openi
ngand closing theside win-
dows
The switches forallside windo wsare loca tedon
the drive r'sdoor. There isals oaswi tch oneach
door forthe correspo ndingsidewindo w.
The switches onthe drive r'sdoor takeprece-
dence. 0043
Front left
0044 Front right
0087 Rea rright
0085 Rea rleft
X Turn theSmartKey toposi tion 0047or0048 inthe
ignitio nlock (Ypag e123).
X To open manually: pressandhold thecor-
respo nding switch.
X To open fully: press theswitch beyond the
pressu repoint andrelease it.
Automatic operationisstarted.
X To clo semanually: pullthe correspo nding
swi tch and hold it.
X To clo sefully: pullthe switch beyond the
pressu repoint andrelease it.
Automatic operationisstarted.
X To interrupt automatic operation:press/
pul lthe correspo ndingswitch again.
i If
you press/p ullthe switch beyond the
point ofresis tance, automatic operationis
started inthe correspo ndingdirection. You
can stop automatic operationbypressi ng/
pul ling theswitch again.
i You
cancontinue toopera tethe side win-
dow safter youswitch offthe engine or
remove theSmartKey .This function remains
active forfive minutes oruntil thedrive r'sor
front-passenge rdoor isopened .
i When
theoverrid efeatu refor the side win-
dow sis activa ted(Ypag e60) ,the side win-
dow scannot beopera tedfrom therear. Co
nven ienceopen ing
Vehic leswith KEYLESS-GO orKEYLESS-GO
start functio n:you can ventila tethe vehicl e
before youstart driving. Side
window s
83Openi ngand closi ng Z