
#
Protect itwit hablank et,fo rex am ple. #
Ifth ech ild restra int system has been
ex posed todirect sunlight ,allo witto
cool beforesecu ring ach ild intoit. #
Neverlea vechildr enunat tende din the
ve hicle. Obser
vewhen stopping orpar king &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunat tende din theve hicle,
th ey cou ld:
R Ope ndoo rs,th er eb yendang ering other
per sons orroad user s.
R Getout and bestru ck byoncom ingtraf‐
fi c.
R Ope rate vehicle equipment andbecome
tr apped, forex am ple. In
addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R Releasing thepar king brak e.
R Changing thetra nsmiss ionposition .
R Startin gth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eke ywit hyo uand lockth eve hicle. #
Keep theve hicle keyout ofreac hof
ch ildr en. &
WARNIN GRisk offata linj urydue to
ex posur eto extreme heat or col din the
ve hicle
If people –par ticular lych ildr en–ar e
ex posed toextreme temp eratur esover an
ex tende dpe riod oftime, ther eis arisk of
ser ious oreve nfa ta linj ury. #
Neverlea veanyone –pa rticular lych il‐
dr en –unat tende din theve hicle. #
Neverlea veanim alsintheve hicle unat‐
te nde d. 54
Occupant safety 

Smar
tKey Ov
ervie wof Smar tKey functio ns &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunat tende din theve hicle,
th ey cou ld:
R Ope ndoo rs,th er eb yendang ering other
per sons orroad user s.
R Getout and bestru ck byoncom ingtraf‐
fi c.
R Ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R Releasing thepar king brak e.
R Changing thetra nsmiss ionposition .
R Startin gth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eke ywit hyo uand lockth eve hicle. #
Keep theve hicle keyout ofreac hof
ch ildr en. *
NO
TEDama getotheke ycaus edby
magne ticfields #
Keep theke yaw ay from stro ng ma g‐
ne tic fields. %
The Smar tKey ma yva ry from theone shown
in thediagr am,depending ontheve hicle
eq uipment. 1
Locks
2 Batt erych ecklam p
3 Unlocks
4 Opens/closes thetrunk lid
5 Panic alar m
% Ifba tter ych ecklam p2 does notlight up
af te rpr essing theÜ orß button,the
batt eryis disc harged.
Re placing theSmar tKey batt ery(/ page68).
The Smar tKey loc ksand unlocksth efo llo wing
com pone nts:
R The door s
R The fuel filler flap 66
Openingand closing 

R
The trunk lid
If th eve hicle isno topened within appr oximat ely
40 seco ndsafte runloc king,itloc ksagain. Anti-
th eftpr otect ion isarmed again.
Do notke ep theSmar tKey toget her withelec‐
tr onic devices orme talobje cts. This canaffect
th eSmar tKey 's functionality . Ac
tiv atin g/deac tivatin gthe acoustic lock ing
ve rificat ion signa l Mult
imed iasystem:
4 Vehicle 5
î Vehicle Setting s
5 Aco ustic Lock #
Activate0073 ordeacti vate 0053 thefunc tion. Ac
tiv atin g/deac tivatin gthe pani calar m Re
quirement s:
R The ignit ionisswitc hedoff.
% The panic alarmfunc tion isonl yav ailable in
cer tain coun tries. #
Toactiv ate: press butt on1 forapp rox‐
ima tely one second.
A visual andaudibl ealar mistrigg ered. #
Todeac tivate: briefly pr ess button1 again.
or #
Press thest ar t/ stop butt ononthecoc kpit
(t he Smar tKey isinsid eth eve hicle). Changing
theunloc kingsettings Po
ssible unlockingfunctions oftheSmar tKey :
R Cen tralunlo cking
R Unloc kin gth edr iver's door andfuel filler flap #
Toswitc hbe tw een settings: press the
Ü andß buttonssimul taneousl yfo r
appr oximat elysix seco ndsuntilth ebatt ery
ch ecklam pflashes twice.
Op tions ifth eunloc kingfunction forth edr iver's
door andfuel filler flap has been selected:
R Tounlo cktheve hicl ece ntr ally:press the
Ü buttontwice.
R Vehicl eswith KEYLESS-GO :if yo uto uc h
th einner surface ofthedoor handle onthe
dr iver's door ,onl yth edr iver's door andfuel
fi ller flap areunlo cked. Deactiv
atingtheSm artK ey functio ns If
yo udo notuse theve hicle oraSmar tKey for
an extende dpe riod oftime, youcan reduce the
ener gycon sum ption ofthere spectiv eSmar tKey .
To do so, deactiv ateth eSmar tKey functions. #
Todeac tivate: press theß buttononthe
Smar tKey twi ce inqu ick succ ession .
The batterych ecklam pof theSmar tKey
fl ashes twicebr ief lyand light sup once. Open
ingand closing 67 

#
Toactiv ate: press anybutt onontheSmar t‐
Ke y.
% When theve hicle isstar tedwit hth eSmar t‐
Ke yin themar kedspace ofthecent ercon ‐
sole, theSmar tKey functions areau tomati‐
cally activated (/ page14 5). Re
mo ving /ins ertin gthe eme rgency key #
Toremo ve:pr ess release knob 1.
Em erge ncy key2 ispush edout slightly. #
Pull outemer gency key2 untilit en gage sin
th eint ermediat eposition . #
Press release knob 1 again and fully
re mo veemer gency key2. #
Toinser t:press release knob 1. #
Insertemer gency key2 totheint ermediat e
position orfull yuntil iteng ages.
% Youcan usetheint ermediat eposition of
emer gency key2 toatt achth eSmar tKey to
a ke yring. Re
plac ingthe Smar tKey batt ery &
DANG ER Serious damag eto healt h
caused byswallo wing batteries
Batt eries cont aintoxic and corrosiv esub‐
st anc es.Swallo wing batteries ma ycause
ser ious damag eto healt h.
Ther eis arisk offata linj ury. #
Keep batt eries out ofthere ac hof chil‐
dr en. #
Ifbatt eries aresw allo wed,seek medical
att ent ion immediat ely. +
ENVIR
ONMEN TALNO TEEnvironme ntal
da ma gecau sed byimproper disposal of
batt eries Bat
teries con tain polluta nts. Itis
illeg alto dispose ofthem withth ehousehold
ru bbish. #
Dispose
ofbatt eries inan
en vironmen tally re sponsible manner.
Ta ke disc hargedbatt eries toaqu alif ied
spec ialistwo rkshop ortoacol lection
poin tfo rused batteries. Re
quirement s:
R Youre qu ire aCR 203 23V cell battery.
Mer cedes-Ben zre comme ndsthat youha ve the
batt eryre placed ataqu alif ied spec ialistwo rk‐
shop. 68
Opening andclosing 

#
Fora trunk lidstopped inan intermediat e
position, pushitdo wn wards.
The trunk lidwill cont inue toclos e. #
Press remo teopening switchfo rth etrunk lid
1. #
Press closing button1 onthetrunk lid.
Ve hicl eswith KEYLESS-GO #
Press locking button2 onthetrunk lid.
If aSmar tKey isde tected outsid eth eve hicle,
th etrunk lidwill close andtheve hicle willbe
loc ked. #
With thetrunk lidcom pletely op ened ,pr es s
and hold the008B buttonontheSmar tKey (wit
hth eSmar tKey inthevicin ityoftheve hi‐
cle).
Ve hicl eswith HANDS -FREEACCESS #
With thetrunk lidcom pletely op ened ,ma kea
kic king movement withyo ur foot belo wthe
bum per(/ page78 ).
Tr unk lidaut omatic reve rsing funct ion
If an objec tobs truct sth etrunk liddur ing the
aut omat icclo singpr oce ss,thetrunk lidwill
open again automaticall y.The automatic reve rs‐
ing func tion isonl yan aid and isno ta subs titute
fo ryo ur att entiven ess . #
Dur ing theclosing process, makesur eth at
no body partsarein theclosing area. &
WARNIN GRisk ofbeco ming trap ped
des pite there ve rsing func tion
The reve rsing func tion does notre act :
R tosof t,light andthin obje cts, e.g. fing ers.
R overth elas t00C2 in(8 mm) oftheclosing
pat h. Openin
gand closing 77 

#
Tointerru pt aut omatic operation :pr ess or
pul lth e0062 buttonagain.
When theve hicle isswitc hedoff,th eside win‐
do ws can continu ebei ng ope rated.
This function isavailable forar ound four min utes
or unt ila fron tdoor isopen ed.
Au tomatic reve rsing funct ionoftheside win‐
do ws
If an object blocksaside windowduring the
clos ingproces s,theside windo wwill open again
aut omaticall y.The automatic reve rsing func tion
is onl yan aid and isno ta subs titutefo ryo ur
att entiven ess . #
Dur ing theclosing process, makesur eth at
no body partsarein theclosing area. &
WARNIN GRisk ofbeco ming trap ped
des pite ther ebeing reve rsing protect ion
on theside windo w
The reve rsing func tion does notre act :
R Tosof t,light andthin obje cts, e.g. fing ers
R Dur ing rese ttin g This
means that there ve rsefunc tion cann ot
pr ev ent someon efrom becomin gtrapped in
th ese situation s. #
When closing, makesur eth at no body
par tsarein theclosing area. #
Ifsomeon ebecomes trapped, press the
0062 buttontoopen theside windo w
ag ain. Con
venience opening (ventilating theve hicl e
bef orest ar ting ajour ney) &
WARNIN GRisk ofentr apment when
ope ning asid ewi ndo w
Whe nope ning asid ewi ndo w,par tsof the
body could bedraw nin or become trap pe d
be twee nth eside windo wand windo wframe. #
When opening ,mak esur eth at nobody
is touc hin gth eside windo w. #
Release thebutt onimmediat elyif
somebody becomestrapped. #
Press and hold theÜ buttononthe
Smar tKey .
The follo wing functionsar eper form ed:
R The vehicle isunloc ked
R The side windo wsareopen ed.
R The slidin gsun roof isopened.
R The panor amicsliding sunroofisopened.
R The seat ventil ation ofthedr iver's seat is
switc hedon.
% Ifth ero ller sunblin dsofthepanor amicslid‐
ing sunr oofareclosed, thero ller sunblin ds
ar eopen edfirs t. #
Tointerru pt con venience opening: release
th eÜ button. #
Tocont inue convenience opening: press
and hold theÜ buttonagain. 82
Openin gand closing 

1
Raises
2 Open s
3 Closes/ lowe rs
Use the0057 buttontooper ateth epanor amic
sliding sunroofand thero ller sunblin d.
The panorama roof wit hpo we rtilt/sli dingpanel
can beoper ated only when thero ller sunblin dis
open . #
Chec kwhe ther thesliding sunroofcan be
ra ised oropen edwhen aro of rack isins tal‐
led. #
Tostar taut omatic operation :pr ess the
0057 buttonbeyond thepoint ofresis tance
or pulland release it. #
Tointerru pt aut omatic operation :br ief ly
pr ess the0057 buttoninanydir ect ion.
The opening /closingpr ocess willbestop‐
ped.
Ve hicl eswith apanor amaroof wit hpo we r
til t/s lidin gpane l:The automatic raising featur e
is available onlywh en thesliding sunroofis
closed orraised.
Ve hicl eswithout apanor amaroof wit h
po we rtil t/s lidin gpane l:The automatic open‐
ing and raising featur eis available onlywh en the
sliding sunroofisclosed.
Au tomatic reve rsing funct ionoftheslidi ng
sunr oof
If an obj ect isobs truct ing thesliding sunroof
dur ing theclosing process, thesliding sunroof
will open again automaticall y.The automatic re
ve rsing func tion isonl yan aid and isno ta sub‐
st itut efo ryo ur att entiven ess . #
Dur ing theclosing process, makesur eth at
no body partsarein theclosing area. &
WARNIN GRisk ofentr apment evenwi th
th ere ve rsing func tion active
The reve rsing featur edoes notre act inpar‐
tic ular :
R Tosof t,light andthin obje cts, e.g. fing ers
R Overthelas t00CF in(4 mm) oftheclosing
pat h
R Dur ing rese ttin g
This means that there ve rsefunc tion cann ot
pr eve ntsom eone from becomi ngtrap pe din
th ese situation s. #
When closing, makesur eth at no body
par tsarein theclosing area. #
Release thebutt onimmediat elyif
somebody becomestrapped.
or 86
Openin gand closing 

#
Brief lypress thebutt oninanydir ect ion
dur ing automatic operation.
The closing process isstopped. Au
tomatic reve rsing funct ionofthero ller
sunblind
If an objec tis obs truct ing thero ller sunblin ddur‐
ing theclosing process, thero ller sunblin dwill
open again automat ically.The automatic reve rs‐
ing func tion isonl yan aid and isno ta subs titute
fo ryo ur att entiven ess . #
When closingth ero ller sunblin d,mak esur e
th at no body partsarein thera ng eof mo ve‐
ment. &
WARNIN GRisk ofbeco ming trap ped
des pite reve rsing featur e
In par ticular ,th ere ve rsing featur edoes not
re act tosof t,light andthin obje cts, e.g. fin‐
ge rs.
This means that there ve rsing featur ecan not
pr ev ent entrapment inthese situation s. #
When closing thero ller sunblin d,mak e
sur eth at no body partsarein thera ng e
of mo vement. #
Release thebutt onimmediat elyif
somebody becomestrapped.
or #
Press thebutt oninanydir ect ion during
th eaut omatic closing process.
The closing process isstopped. Au
tomatic functionsof the slidi ng sun roof %
The term "slidin gsun roof" also refers to the
panor amicsliding sunroof.
By pushing orpulling the0057 button,youcan
int erru pt theaut omatic functions:"Rain closing
func tion when driving" and"Automatic lowe r‐
ing".
Ra inclosing functionwhen driving
Ve hicl eswith apanor amicsliding sunroof:If
it star ts to rain, thera ised slidin gsunr oofis
aut omat icallylo we redwhile theve hicle isin
mo tion. Au
tomatic lowe ring function
Ve hicl eswith apanor amicsliding sunroof:If
th esliding sunroofisraised atthere ar,it is
aut omat icallylo we redslightl yat higher speeds.
At low speeds, itis raised again automat ically. &
WARNIN GRisk ofentr apment byaut o‐
mat iclowe ring ofthesliding sunroof
At high speeds thera ised slidin gsunr oof
aut omat icallylo we rsslightl yat there ar.
This couldtrap youor other persons. #
Mak esur eth at nobody reac hes intoth e
sw eep ofthesliding sunroofwhils tth e
ve hicle isin mo tion. #
Ifsomebody becomestrapped, brief ly
push thesliding sunroofbutt onfor‐
wa rdsor bac kwards.
The sliding sunrooflifts dur ing opening. Pr
oblems withtheslidi ngsunr oof %
The term "slidin gsun roof" also refers to the
panor amicsliding sunroof. Openin
gand closin g87