MERCEDES-BENZ S-CLASS COUPE 2019 Repair Manual

Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
R The Smar tKey isdef ective. 0007
Chec kth ebatt eryusing thebatt erych ecklam pand replace ifnec essar y(0013 page57 ). 0007
Use theemer gency keyto loc kor unloc k(0013 page57 ). 0007
Have theSmar tKey checkedat aqu alif ied spec ialistwo rkshop.
Yo uha ve los ta Smar tKey . 0007
Have theSmar tKey deactiv ated ataqu alif ied spec ialistwo rkshop. 0007
Ifnecessar y,ha ve themec hanical lockch ang edaswell. Door
s Un
loc king andopening doorsfrom theinsid e 0007
Pull door handle2.
Loc kingpin 1pops upwhen thedoor is
unloc ked. Loc
king thedoor sfrom theinsid e 0007
Take theSmar tKey wit hyo uwhen exitin gth e
ve hicle andclose thedr iver's door . 0007
Press down locking knob 1 onthedr iver's
door from thefront passeng erseat. Openin
gand closing 59

0007
Exit theve hicle andpress down theloc king
kn ob onthefront passeng erdoor . 0007
Close thefront passeng erdoor . Loc
king/unloc kingtheve hicl ece ntr allyfrom
th einsid e 0007
Tounlo ck:pr ess button 1. 0007
Toloc k:press butt on2.
This does notloc kor unloc kth efuel filler flap.
The vehicle isno tunloc ked:
R Ifyo uha ve loc kedth eve hicle using the
Smar tKey .
R Ifyo uha ve loc kedth eve hicle using KEY‐
LESS -GO. Loc
king/unloc kingtheve hicl ewith KEY‐
LES S-GO Re
quirement s:
R The Smar tKey isouts idetheve hicle.
R The distance betwee nth eSmar tKey and the
ve hicle does notex ceed 3ft (1 m).
R The driver's door andthedoor atwhic hth e
door handle isused areclosed. 0007
Tounlo cktheve hicl e:touc hth einner sur‐
fa ce ofthedoor handle. 0007
Toloc kth eve hicl e:touc hsen sor surface
1 or2. 0007
Convenience closing:touc hre cess edsen‐
sor surface 2foran extende dpe riod.
0009 Further information oncon venie nce closing
(0013 page 72). 60
Openin gand closin g

If
yo uopen thetrunk lidfrom outside, thetrunk
lid isaut omaticall yunloc ked. Pr
oblems withKEYLE SS-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 are:
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 isdef ect ive. 0007
Chec kth ebatt eryusing thebatt erych ecklam pand replace ifnec essar y(0013 page57 ). 0007
Use themec hanical keyto loc kor unloc kth eve hicle (0013 page57 ). 0007
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. Open
ingand closing 61

0007
Todeac tivate: press and holdbu tton 1 for
appr oximat elyfive seconds untilanacous tic
signal sounds. 0007
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. Inf
orma tion onthepo we rcl os ingfun ction
fo rthe doors 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 0007
Inser tth eemer gency keyas faras itwil lgo
int oopening 1intheco ver. 0007
Pull and hold thedoor handle. 0007
Pull theco veron theemer gency keyas
st ra ight aspossible away from theve hicle
until itre leases. 62
Openingand closing

0007
Release thedoor handle. 0007
Turn theemer gency keyco unt er-cloc kwi seto
position 0047. 0007
Carefully press theco veront oth eloc kcyli n‐
der until iteng ages and isseat edfirm ly. Tr
unk Openi
ngthetrunk lid 000A
DANG ER Risk ofexhaus tga spoisoning
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Exhaus t
ga ses can entertheve hicle interior ifth e
tr unk lid is op en when theengine isrunning ,
esp ecially ifth eve hicle isin mo tion. 0007
Alw aysswitc hof fth eengine before
opening thetrunk lid. 0007
Neverdr ive wit hth etrunk lidopen. 000E
NO
TEDama getothetrunk lidbyobs ta‐
cle sab ove theve hicle The
trunk lidswings upwards when itis
opened. 0007
Ther efor e, mak esur eth at ther eis suf fi‐
cie ntcle arance above thetrunk lid. Yo
uha ve thefo llo wing option sfo ropening the
tr unk lid: 0007
With thetrunk lidunloc ked, press theto pof
th eMer cedes star. 0007
Pull thefo lded-o utMer cedes star when the
re ar vie wcam erais act ivat ed and thetrunk
lid isunloc ked. 0007
Vehicl eswith trunk lidconvenience clos‐
ing: With thetrunk lidstopped inan inter‐
mediat eposition, pullthetrunk lidupw ards
and release assoon asitbegin sto open.
0009 Toopen thetrunk lid,pull onthefo lded-o ut
Mer cedes star when there ar vie wcam erais
act ivat ed. 0007
Press and hold the008B buttononthe
Smar tKey . Opening
andclosing 63

0007
Pull trunk lidremo teoper ating switch1. 0007
Vehicl eswith HANDS -FREEACCESS: Make
a kic kin gmo vement withyo ur foot belo wthe
bum per(0013 page66).
Ve hicl eswith trunk lidconvenience closing:
If an item obstruct sth etrunk liddur ing theaut o‐
matic opening process, theobs tacle detection
sy stem will stop thetrunk lid.The obstacle de
tection functi onisonly anaid and isno ta
su bs titu teforyo ur att entiven ess . Closing
thetrunk lid 000A
WARNIN GRisk ofinju ryfrom unsecu red
it ems intheve hicle
If object s,lugg ageor loads areno tsecur ed
or notsecur edsuf ficie ntly,they cou ldslip,
tip over or be throw nar ou nd and ther eb yhit
ve hicle occupants.
Ther eis arisk ofinjur y,par ticular lyin the
eve ntofsudd en braki ng orasu dd en chang e
in dir ect ion. 0007
Alw aysst ow object sin suc hawa yth at
th ey canno tbe thro wn around . 0007
Beforeth ejour ney,secur eobjects, lug‐
ga ge orloads agains tslipping ortipping
ove r. Obser
vetheno teson loadi ngtheve hicle. 000A
WARNIN GRisk ofbeco ming trap ped
du ring automatic closing ofthetrunk lid
Pa rts of thebody could become trapped dur‐
ing automatic closing ofthetrunk lid.Mor e‐
ove r,people, e.g.childr en, maybe standi ng
in theclosing area orma yent ertheclosing
ar ea dur ing theclosing process. 0007
Mak esur eth at nobody isin thevicin ity
of theclosing area dur ing theclosing
pr ocess. 0007
Use oneofthefo llo wing option sto stop
th eclosing process:
R Press the008B buttononthe
Smar tKey .
R Press orpull there mo teoper ating
switc hon thedr iver's door .
R Press theclosing orloc king button
on thetrunk lid.
R Press theto pof thest ar on the
tr unk lid. Ve
hicl eswith HANDS -FREEACCESS: Itis also
poss ibletostop theclosing process bymaking a 64
Opening andclosing

kic
king movement withyo ur foot belo wthere ar
bum per.
Yo uha ve thefo llo wing option sfo rclosi ngthe
tr unk lid: 0007
Vehicl eswith trunk lidconvenience clos‐
ing featur e:Pul ldo wn thetrunk lidslightl y
and release itas soon asitbegin sto clos e. 0007
Vehicl eswith trunk lidconvenience clos‐
ing featur e:Press and hold the008B button
on theSmar tKey (wit hth eSmar tKey inthe
vicinity oftheve hicle). 0007
Vehicl eswith trunk lidconvenience clos‐
ing featur e:Press closi ngbutt on1 onthe
tr unk lid. 0007
Vehicl eswith trunk lidconvenience clos‐
ing featur eand KEYLESS -GO: Press locking
butt on2 onthetrunk lid.
If aSmar tKey isde tected outsid eth eve hicle,
th etrunk lidwill close andtheve hicle willbe
loc ked. 0007
Vehicl eswith trunk lidconvenience clos‐
ing featur e:Press trunk lidremo teoper ating
switc h1. 0007
Vehicl eswith HANDS -FREEACCESS: Make
a kic kin gmo vement withyo ur foot belo wthe
bum per(0013 page66).
Tr unk lidaut omatic reve rsing featur e
If an object obstructs thetrunk liddur ing the
aut omat icclo singpr oce ss,thetrunk lidwill Openin
gand closing 65

open
again automaticall y.The automatic reve rs‐
ing featur eis on lyan aid and isno ta subs titute
fo ryo ur att entiven ess . 0007
When closing,mak esur eth at no body parts
ar ein theclosing area. 000A
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.
In these situation sin par ticular ,th ere ve rsing
func tion cannotpr eve ntsom eone being trap ‐
pe d. 0007
Whe nclo sing, makesur eth at no body
par tsarein theclosing area. 0007
Ifsomeon eis tra pped, useone ofthe
fo llo wing option s:
R Press the008B buttononthe
Smar tKey .
R Press there mo teoper ating switch
on thedr iver's door . R
Press theclosing orloc king button
on thetrunk lid.
R Press theto pof thest ar on the
tr unk lid. HA
NDS -FREE ACCESS function Wi
th HANDS-FREE ACCES Syo ucan open ,clo se
or interru pt trunk lid mo vement byper form ing a
kic kin gmo vement under there ar bum per.
The kickin gmo vement trigg ersth eopening or
closing process alternat ely.
Obser vetheno teswhen opening
(0013 page63) and closing (0013page64 )th e
tr unk lid.
0009 Awa rning tone sou nds while th etrunk lidis
opening orclosing. 000A
WARNIN GRisk ofburnscaused byaho t
ex haus tsy stem
The vehicle exhaus tsy stem can become very
ho t.Ifyo uuse HAND S-FRE EAC CES S,you
cou ldbu rn yourself bytouc hin gth eex haus t
sy stem. 0007
Alw aysensur eth at youon lyma kea
kic king movement within thede tection
ra ng eof thesensor s. 66
Openin gand closing

000E
NO
TEDama getotheve hicle caused by
unin tentio nallyopening thetrunk lid R
When usinganaut omatic carwash
R When usingahigh pressur ecleaner 0007
Deactiv ateKEYLES S-GOormak esur e
th at theSmar tKey locat edisat leas t
10 ft(3 m) away from theve hicle in
suc hsituations. 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.
Re quiremen ts:
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
Sensor detection rang e
If se veralcon secut ive kic kin gmo vements are
no tsuccessfu l,wa itte nseco nds.
Sy stem limita tions
The system maybe impair edorma yno tfunc tion
if:
R Sno wor dir t,e.g. from road salt ,co vers the
sensor area.
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, sitting ontheedg eof thetrunk ,
or pic king upobjec ts.
R Ifobjec tsaremo vedor placed behind the
ve hicle, e.g.chargin gcable s,tensi oni ng
st ra ps orlugg age.
Deact ivat eKEYL ESS-GO (0013 page56) ordo
no tcar rytheSmar tKey about your per son in
th ese and similar situation s. Switc
hingsepar atetrunk locking on/of f If
yo ucen trally unlocktheve hicle while separate
loc king isactiv ated, thetrunk willremain locked. Openin
gand closin g67

0007
Toswitc hon: slide theswitc hto position
0048. 0007
Toswitc hof f:slide theswitc hto position
0047.
0009 Ifan acciden thas been detected, thetrunk
will unloc keve nif sep aratelock ing is
switc hedon. Un
loc king thetrunk withth eemer gency
re lease from inside Re
quirement s:
R The 12Vve hicle batteryis conn ectedand
ch arge d. 0007
Press emer gency release button1 brief ly.
The trunk lidunloc ksand open s. Un
loc king thetrunk lidusing themec hanical
ke y 0007
Take themec hanical keyout oftheSmar tKey
( 0013 page57 ). 0007
Pres sth eto pof Mer cedes star 1. 68
Openingand closing