Page 70 of 542
Pr
oblems withKEYLESS-GO Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
Yo ucan nolongerloc kor unloc kth e
ve hicle using KEYLES S-GO. Po
ssible causes:
R The Smar tKey functions have been deactiv ated (/ page62).
R The Smar tKey batt eryis we ak ordisc harged.
R Ther eis int erfere nce from apo we rful radio signal source.
R The Smar tKey isfaulty . #
Activateth eSmar tKey functions (/page62). #
Che ckthebatt eryusing theindicat orlam pand replace ifnec essar y(/ page63). #
Use theemer gency keyto unlo ckorloc kth eve hicle (/page63). #
Have theve hicle andSmar tKey checkedat aqu alif ied spec ialistwo rkshop. Switc
hingtheaut oma ticlocking featur e
on/ off The
vehicle isloc kedaut omatic allywhen the
ignit ionisswitc hedonand thewheels aretur n‐
ing faster than walkin gpace. 68
Openingand closing
Page 71 of 542
#
Todeac tivate: press and holdbu tton 1 for
appr oximat elyfive seconds untilanacous tic
signal sounds. #
Toactiv ate: press and hold button2 for
appr oximat elyfive seconds untilanacous tic
signal sounds.
In thefo llo wing situat ions,th er eis adang erof
being lockedout when thefunc tion isactiv ated:
R The vehicle isbeing towe d/pushed. R
The vehicle isbeing tested on adynamome‐
te r. Po
we rcl os ingfun ction If
yo upush thedoor intoth eloc kto thefirs t
de tent positio n,thepo we rclosi ngfunction will
au tomatical lypul lth edoor intoth eloc k. Un
loc king thedr iver' sdoor withth eemer ‐
ge ncy key #
Inser tth eemer gency keyas faras itwil lgo
int oopening 1intheco ver. #
Pull and hold thedoor handle. #
Pull theco veron theemer gency keyas
st ra ight aspossible away from theve hicle
until itre leases. Open
ingand closing 69
Page 74 of 542

#
Press remo teopening switchfo rtr unk lid1. #
Press closi ngbutt on1 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(/ page73 ).
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. 72
Opening andclosing
Page 76 of 542

When
making thekic king movement, makesur e
th at your feet arefirm lyon thegr ound, other‐
wise youco uld lose your balan ce,e.g.on ice.
Obs erve thefo llo wing notes:
R The Smar tKey isbehin dth eve hicle.
R Stand atleas t12 in(30 cm) away from the
ve hicle while perform ing thekic king move‐
ment.
R Donotcome intocont actwithth ebum per
while making thekic king movement.
R Donotcar ryout thekic king movement too
slo wly.
R The kicking movement mustbe towa rdsth e
ve hicle andbackag ain. 1
Detection rang eof thesensor s
If se veralcon secut ive kic kin gmo vements are
no tsuccessfu l,wa itte nseco nds.
Sy stem limit s
The system maybe impair edorma yno tfunc tion
in thefo llo wing cases :
R The area around thesensor isdir ty,e.g. due
to road salt orsnow .
R The kicking movement ismade using apr os‐
th etic leg. The
trunk lidcould beopen edorclos edunin ten‐
tio nal ly,in thefo llo wing situat ions:
R Ifaper son 'sarms orlegs aremo vingin the
sensor detection rang e, e.g .wh en polishi ng
th eve hicle orpic king upobject s.
R Ifobject sar emo vedor placed behind the
ve hicle, e.g.tensi oni ng stra ps orlugg age.
R Ifclam ping stra ps, tarp sor other coverings
ar epu lled ove rth ebum per.
R Ifapr otect ive mat withalengt hre ac hin g
ov er thetrunk silldown intoth ede tection
ra ng eof thesensor sis used.
R Ifth epr otect ive mat isno tsecur edcor rectly .
Deacti vate KEYLESS- GO(/ page62) ordo not
car rytheSmar tKey about your per son insuc h
sit uatio ns. Swit
ching separ atetrunk locking on/of f If
yo ucen trall yunlo cktheve hicle while separate
loc king isactiv ated, thetrunk willremain locked. 74
Opening andclosing
Page 77 of 542
#
Toswitc hon: slide theswitc hto position
0048. #
Toswitc hof f:slide theswitc hto position
0047.
% Ifan acciden thas been detected, thetrunk
will unloc keve nif sep aratelock ing is
switc hedon. Un
loc king thetrunk from insid ewit hth e
emer gency release Re
quirement s:
R The 12Vve hicle batteryis conn ectedand
ch arge d. #
Press emer gency release button1 brief ly.
The trunk lidwill unloc kand open. Un
loc king thetrunk lidusing theemer gency
ke y #
Take theemer gency keyout oftheSmar tKey
( / pag e63). #
Press theto pof Mer cedes star 1. Open
ingand closing 75
Page 78 of 542

#
With thehandle pointingupw ards, inser tth e
emer gency keyin to thetrunk lockas faras it
wil lgo. #
Turn theemer gency keyclo ckwise from posi‐
tio n0047 toposition 0048. #
Turn theemer gency keybac kto position 0047
and remo veit.
% Ifyo uuse theemer gency keyto unlo ckand
open thetrunk lid,theanti- theftalar msys‐
te m wil lbe trigg ered. Ac
tiv atin g/deac tivatin gthe trunk lid ope ning
hei ght restriction Mult
imed iasystem:
4 Vehicle 5
î Vehicle Setting s
5 Trunk LidRestric tion
This function allowsyouto avo idbum ping the
tr unk lid on alow ga rage ceiling, forex am ple. #
Activate0073 ordeacti vate 0053 thefunc tion. Side
windo ws Opening
andclosing theside windo ws &
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. #
Ifsomeone istrappe d,release thebut‐
to nimm ediate ly or pullit in order to
clos eth eside windo wag ain. &
WARNIN GRisk ofbeco ming trap ped
whe nclos ingasid ewi ndo w
Whe nclos ingasid ewi ndo w,body parts
could betrapped intheclosing area inthe
pr ocess. #
When closing,mak esur eth at no body
par tsarein theclosing area. #
Ifsomeon eis tra pped, release thebut‐
to nimm ediate ly or pres sth ebutt onin
or der toreopen theside windo w. &
WARNIN GRisk ofbeco ming trap ped
whe nch ildr enopera tetheside windo ws
Childr encould become trapped ifth ey oper‐
at eth eside windo ws,par ticular lywhen unat‐
te nde d. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. Re
quirement s:
R The powe rsupp lyor theignition isswitc hed
on. 76
Opening andclosing
Page 79 of 542

1
Close s
2 Open s
The buttons on thedr iver's door take prece‐
denc e. #
Tostar taut omatic operation :pr ess the
0062 buttonbeyond thepoint ofresis tance
or pulland release it. #
Tointerru pt aut omatic operation :pr ess or
pul lth e0062 buttonagain.
% Automatic operation forclosi ngisavailable
on lyforth efront side windo ws.
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 door 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. Openin
gand closing 77
Page 80 of 542

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 pano ramic sliding sunr oofisopened .
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. Con
venience closing (closing theve hicl e
fr om outside ) &
WARNIN GRisk ofentr apment caused by
inadv ertent con venie nce closing
Whe nth econ venie nce closing featur eis
oper ating,par tsof thebody could become
tr apped intheclosing area oftheside win‐
do wand thesliding sunroof. #
Obser vethecom pleteclos ingproce‐
du re when usingconvenie nce closing. #
Whe nclo sing, makesur eth at no body
par tsarein theclosing area. #
Press and hold theß buttononthe
Smar tKey .
The follo wing functionsar eper form ed:
R The vehicle isloc ked.
R The side windo wsareclo sed.
R The pano ramic sliding sunr oofisclosed . #
Tointerru pt con venience closing: release
th eß button. #
Toclose thero ller sunblind s:press and
hold theß buttonagain.
% Con venie nce closing can also be operated
wi th KEYLESS- GO(/ page67 ). Pr
oblems withth eside windo ws &
WARNIN GRisk ofbeco ming trap ped or
fa ta lly injured ifre ve rsing protect ion is
no tactiv ated
If yo uclo seaside windowagain imm ediat ely
af te rit has been blocked, theside windo w
will close withincr eased ormaximum forc e.
The reve rsing featur ewill then notbe activ e. 78
Opening andclosing