2020 MERCEDES-BENZ S-CLASS Owner's Manual

Pr
oblems withKEYLESS-GO Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
Yo uc an no longerloc ko runloc kthe
ve hicle using KEYLES S-GO. Po
ssible causes:
R The Smar tKey functions have been deactiv ated (/ page65).
R The Smar tKey batt eryi sw eak ordisc harged.
R Ther eisinter fere nce from apowe rful radio signal source.
R The Smar tKey isfaulty . #
Activatet he Smar tKey functions (/page65). #
Che cktheb atteryu sing thei ndicat orlam pand replace ifnec essar y(/pag e66). #
Use thee mer gency keyt ou nlockorloc kthe vehicle (/page66). #
Have thev ehicle andSmar tKey checkeda taq ualifiedspec ialistworks hop. Switc
hingthea utoma ticlocking featur e
on/ off The
vehicle isloc keda utomatic allywhen the
ignit ionisswitc hedonand thew heels aret urn‐
ing faster than walkin gpace. Open
ingand closing 71

#
Todeac tivate: press and holdb utton1 for
appr oximat elyf ives econds untilanacous tic
signal sounds. #
Toactiv ate: press and hold button2 for
appr oximat elyf ives econds untilanacous tic
signal sounds.
In thef ollo wing situations, ther ei sad angerof
being lockedo utwhen thef unc tion isactiv ated:
R The vehicle isbeing towe d/pushed. R
The vehicle isbeing tested on adynamome‐
te r. Po
we rclosing fun ction If
yo up ush thed oor intot he locktot he firs t
de tent positio n,thep owe rclosi ngfunction will
au tomatical lypul lthe door intot he lock. Loc
king/u nlocking thed rive r'sd oor withthe
eme rgency key %
Ifyo uw ish toloc kthe vehicle entirelyusing
th ee mer gency key,firs tp ress theb utton for
loc kin gfromt heinside whilethed rive r's
door isopen. Thenproceed toloc kthe driv‐
er's door using thee mer gency key. #
Inser tthe emer gency keya sfar as itwi llgo
in to opening 1inthec over. #
Pull and hold thed oor handle. #
Pull thec over on thee mer gency keya s
st ra ight aspossible away from thev ehicle
until itre leases. #
Release thed oor handle. 72
Opening andclosing

#
Tounlo ck:tur nthe emer gency keyc ounter-
clo ckwise toposition 0047. #
Toloc k:tur nthe emer gency keyc lock wise to
position 0047. #
Carefully press thec ove rontot he lockc ylin‐
der until iteng ages and isseat edfirm ly. Tr
unk Openi
ngthet runk lid Plug-
inhybrid: obser vethen otes intheS upple‐
ment .Other wise, youm ayfailto recogni zedan‐
ge rs. &
DANG ER Risk ofexhaus tgas poi son ing
Com bustione ngines emitpoisonous exhaus t
ga ses suchascarbon monoxide.Exhaus t
ga ses can enterthev ehicle interior ifth e
tr unk lidi so penw hent he engine isrunning ,
esp ecially ifth ev ehicle isin mo tion. #
Alw ayss witc hoffthee ngine before
opening thet runk lid. #
Neverd rive wit hthe trunk lidopen. *
NO
TEDama getothet runk lidbyobs ta‐
cle sabove thev ehicle The
trunk lidswings upwards when itis
opened. #
Ther efor e, mak esuret hat ther ei ss uffi‐
cie ntcle arance above thet runk lid. Yo
uh ave thef ollo wing options foro pening
the trunk lid: #
Pullth et runk lidhandle. #
Vehicl eswith HANDS -FREEACCESS: Make
ak ickin gm ovement withyour foot belo wthe
bum per(/ page76).
Ve hicl eswith trunk lidconve nience closing Opening
andclosing 73

#
Pull trunk lidremo teoper ating switch1. #
Press and hold the008B buttononthe
Smar tKey . #
Forat runk lidstopped inan intermediat e
position, pullitupw ards and release itas
soon asitstar ts to open.
Wi th thet runk lidopening heightrestriction
acti vated, manuall ypullthes topped trunk lid
upw ards.
If an object obstructs thet runk liddur ing the
aut omat icopen ingproce ss,obs truct ion detec‐
tion willst op thet runk lid. The obstruction
de tection functi onisonly anaida nd isno ta
su bs titu tefory our attentiv eness. Clos
ingthet runk lid &
WARNIN GRisk ofinju ryfrom unsecu red
it ems inthev ehicle
If object s,lugg ageo rloads aren otsecur ed
or nots ecur edsuf ficie ntly,they cou ldslip,
tip ove rorb ethrow na roun da nd ther eb yh it
ve hicle occupants. Ther
eisar iskofinju ry,p articular lyin the
ev ent ofsudden braking oras udden chang e
in dir ect ion. #
Alw ayss towo bject sins uchaw aythat
th ey canno tbethrow na round . #
Beforet he jour ney,secur eobjects, lug‐
ga ge orloads agains tslipping ortipping
ove r. Obser
vethen otes on loading thev ehicle.
Yo uh ave thef ollo wing options forc losing
the trunk lid: #
Pullth et runk liddown wardsu sing theh an‐
dle recess andpush itclos ed.
% Ifyo ul ight lypush thet runk lidclosed, the
po we rclosi ngfunction willautom atical lypull
th et runk lidintot he lock. Ve
hicl eswith trunk lidconvenience closing &
WARNIN GRisk ofbeco ming trap ped
du ring automatic closing ofthet runk lid
Pa rtso fthe body could become trapped dur‐
ing automatic closing ofthet runk lid. Mor e‐
ove r,people, e.g.childr en, maybestandi ng
in thec losing area orma yenter thec losing
ar ea dur ing thec losing process. #
Mak esuret hat nobody isin thev icin ity
of thec losing area dur ing thec losing
pr ocess. #
Use oneofthef ollo wing options tostop
th ec losing process:
R Press the008B buttononthe
Smar tKey .
R Press orpull ther emo teoper ating
switc honthe driver's door .
R Press thec losing orloc king button
on thet runk lid.
R Pull thet runk lidhandle. #
Vehicl eswith HANDS -FREEACCESS: itis
also possibletostop thec losing process by 74
Opening andclosing

making
akicking movement belowthe rear
bum per.
Yo uh ave thef ollo wing options forc losing
the trunk lid: #
Pullth et runk liddown wardss lightly .Release
it as soon asitbegins toclos e. #
Forat runk lidstopped inan intermediat e
position, pushitdo wn wards.
The trunk lidwill cont inue toclos e. #
Press ther emo teopening switchfor trunk lid
1. #
Press closing button1 onthet runk lid.
Ve hicl eswith KEYLESS-GO #
Press locking button2 onthet runk lid.
If aS mar tKey isde tected outsid ethe vehicle,
th et runk lidwill close andthev ehicle willbe
loc ked. #
With thet runk lidcom pletely op ened ,p ress
and holdthe 008B buttonontheS mar tKey Opening
andclosing 75

(wit
hthe Smar tKey inthev icinit yofthe vehi‐
cle).
Ve hicl eswith HANDS -FREEACCESS #
With thet runk lidcom pletely op ened ,m akea
kic king movement withyour foot belo wthe
bum per(/ page76).
Tr unk lidaut omatic reve rsing funct ion
If an objec tobstruct sthe trunk liddur ing the
aut omat icclo singp roce ss, thet runk lidwill
open again automaticall y.The automatic reve rs‐
ing func tion isonl yana idand isno tas ubstitute
fo ry our attentiv eness. #
Dur ing thec losing process, makesuret hat
no body partsarei nt he closing area. &
WARNIN GRisk ofbeco ming trap ped
des pite ther eve rsing func tion
The reve rsing func tion does notreact :
R tosof t,light andthin obje cts, e.g. fing ers.
R overthe last00C2 in(8 mm) ofthec losing
pat h. In
these situation sinp articular ,the reve rsing
func tion cannotp reve nt som eone being trap ‐
pe d. #
Whe nclosing, makesur ethat nobody
par tsarei nt he closing area. #
Ifsomeone istra pped, useone ofthe
fo llo wing option s:
R Press the008B buttononthe
Smar tKey .
R Press ther emo teoper ating switch
on thed rive r's door .
R Press thec losing orloc king button
on thet runk lid.
R Pull thet runk lidhandle. HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCES Syou can open, close
or interru pt trunk lidm ovement byper form ing a
kic kin gm ovement underthe rear bum per.
The kickin gm ovement trigg erst he opening or
closing process alternat ely.
Obser vethen otes when opening (/page73)
and closing(/ pag e74)thet runk lid. 76
Opening andclosing

%
Awarning tone sou nds whilet he trunk lidis
opening orclosing. &
WARNIN GRisk ofburnsc aused byah ot
ex haus tsystem
The vehicle exhaus tsystemc anbecome very
ho t.Ifyo uu seHA ND S-FRE EACCES S,you
cou ldbu rn yourself bytouc hin gthe exhaus t
sy stem. #
Alw ayse nsur ethat youo nly makea
kic king movement within thed etecti on
ra ng eo fthe sensor s. *
NO
TEDama getothev ehicle caused by
unin tentio nallyopening thet runk lid R
When usinganaut omatic carwash
R When usingahigh pressur ecleaner #
Deactiv ateK EYLES S-GOormak esure
th at theS mar tKey locat edisat leas t
10 ft(3 m) away from thev ehicle in
suc hsituations. When
making thek icking movement, makesure
th at your feet aref irml yo nthe ground, other‐
wise youc ouldlose your balan ce,e.g.onice.
Obs erve thef ollo wing notes:
R The Smar tKey isbehin dthe vehicle.
R Stand atleas t12in( 30 cm) away from the
ve hicle while perform ing thek icking move‐
ment.
R Donotc ome intoc ont act withthe bum per
while making thek icking movement.
R Donotc arry out thek icking movement too
slo wly.
R The kicking movement mustbetow ards the
ve hicle andbackagain. 1
Detection rang eo fthe sensor s
If se veralc on secut ivek ickin gm ovements are
no ts uccessfu l,wa itte ns eco nds.
Sy stem limit s
The system maybeimp aired orma ynotfunc tion
in thef ollo wing cases:
R The area around thes ensor isdir ty,e .g. due
to road salt orsnow .
R The kicking movement ismade using apros‐
th etic leg. Open
ingand closing 77

The
trunk lidcould beopened orclosed uninten‐
tionall y,in thef ollo wing situations:
R Ifap erson 'sarms orlegs arem ovingi nt he
sensor detection rang e, e.g .whenp olish ing
th ev ehicle orpic king upobject s.
R Ifobject saremo vedo rplaced behind the
ve hicle, e.g.tensi oni ng stra ps orlugg age.
R Ifclam ping stra ps, tarp so rother coverings
ar ep ulledo verthe bum per.
R Ifap rotectivem atwit hal engt hreac hing
ove rthe trunk silldown intot he detection
ra ng eo fthe sensor sisu sed.
R Ifth ep rotectivem atisno ts ecur edcor rectly .
R Whe nworking onthet railer coupling, trailer s
or rear bicy clerack s.
Deactiv ateK EYLES S-GO(/page65)or do not
car rytheS mar tKey about your per son insuc h
sit uatio ns. Swit
ching separ atet runk locking on/of f If
yo uc entrall yu nlo ckthev ehicle whileseparate
loc king isactiv ated, thet runk will remain locked. #
Toswitc hon:slide thes witc htop osition
0048. #
Toswitc hoff:slide thes witc htop osition
0047.
% Ifan acciden thas been detected, thet runk
will unloc keveni fsep aratel oc kin gis
switc hedon. Un
loc king thet runk from insid ewitht he
eme rgency release Re
quirement s:
R The 12Vvehicle batteryi sc onn ectedand
ch arge d. #
Press emer gency release button1 brief ly.
The trunk lidwill unloc kand open. 78
Opening andclosing