2020 MERCEDES-BENZ SLC child seat

G
WARNING
If child renareleft unsu pervi sedinthe vehi-
cle, they could,inparticu lar:
R Open doors, thereby endange ringother
perso nsorroad users
R Get outand bestruck byoncoming traffic
R Opera tevehicl eequipme ntand become
trappe d,for exampl e
In add ition, childrencoul dsetthe vehicl ein
motion, forexampl e,ifthey:
R Rel ease theparki ngbrake.
R Cha nge thetransmissi onposi tion
R Start thevehicl e
There isar isk ofaccide ntand injury .
Never leavechild renunsu pervi sedinthe
vehicl e.
When leaving thevehicl e,alw ayst ake the
SmartKey withyouand lock thevehicl e.
Keep theSmartKey outofthe reach ofchil-
dren. G
WARNING
If perso ns,particu larlychild ren aresubjec-
ted toprolo nged exposu reto extreme heat
or cold, there isar isk ofinjury ,possi bly
even fatal.Never leavechild renunattended
in the vehicl e. G
WARNING
If the child restrai ntsystem issub jected to
dire ctsunli ght,parts maygetvery hot.Chil-
dren mayburn themsel vesonthese parts,
particu larlyonthe metal partsofthe child
restrai ntsystem. Thereisar isk ofinjury .
If you leavethe vehicl e,taking thechild with
you ,alway se nsure thatthechild restrai nt
system isnot expose dtod irectsunli ght.
Protect itwith ablanket, forexampl e.Ifthe
child restrai ntsystem hasbeen expose dto
dire ctsunli ght,letitcool downbefore secur-
ing the child init. Never leavechild renunat-
tended inthe vehicl e.
Alwa ysensure thatallvehicl eoccupa ntshave
their seatbeltsfastened correctly andaresit- ting
prope rly.P articu larattention mustbepaid
to child ren.
Observe thesafety notesonthe seat belt
(Y pag e40)and thenotes oncorrect useof
seat belts(Y pag e41).
Ab ooster seatmaybenecessa ryto achie ve
prope rseat beltposi tioning forchild renover
40 lbs (18 kg)until theyreach aheightwhere
at hree-poi ntseat beltcan be prope rlyfas-
tened withoutab ooster seat. Spec
ialseatbe ltretractor G
WARNING
If the seat beltisr ele ased whiledrivi ng,the
child restrai ntsystem willnol onger be
secure dprope rly.The speci alseat belt
retractor isdisa bleda nd the inertia real
draw sinap ortion ofthe seat belt.The seat
bel tcannot beimmed iatelyrefastene d.
There isan increas edrisk ofinjury ,possi bly
even fatal.
Stop thevehicl eimmed iately,pay ing atten-
tion toroad andtraffic conditions. Reacti-
vate thespeci alseat beltretractor and
secure thechild restrai ntsystem properly.
The seat beltonthe front-passenge r'sside is
equ ipped with aspeci alseat beltretractor.
When activated,thespeci alseat beltretractor
ensure sthat the seat beltcannot slacken once
the child seatissecure d.
Install ingachild restrai ntsystem:
X Make sureyouobser vethe child restrai nt
system manufacturer's installationinstruc-
tions.
X Pul lthe seat beltsmoothly outofthe belt
loop .
X Engage seatbelttongue inbel tbuckle .
Activating thespeci alseat beltretractor:
X Pul lthe seat beltoutfull yand let the inertia
reel retract itaga in.
Whil ethe seat beltisr etracting, youshou ld
hear aratcheting sound.The speci alseat
bel tretractor isenabl ed.
X Push thechild restrai ntsystem downsothat
the seat beltist ight anddoes notloos en. 54
Chi
ldren inthe vehi cleSafety

Remo
vingthe child res train tsyst em and deac -
ti vat ing thes pec ialseat beltretrac tor:
X Mak esurey ou obs ervethe child res train t
syst emman ufacturer'sins tal lation instruc-
ti on s.
X Pre ssther elease buttono fthe seat belt
buc kle,hold theb elt tong ue and guide it
bac ktow ards theb elt loop .
The spec ialseat beltretrac torisd eac tiva-
te d. Child
restrain tsystem
The useofseat beltsand child res train tsys-
te ms isreq uire dbylaw in:
R all 50 state s
R theU .S.t errito ries
R theD istri ct of Colum bia
R all Canad ianprovinces
You canobtain further inform ation about the
co rrec tc hild res train tsyst em from any auth or-
iz ed Mer cedes- BenzCenter. G
WAR
NING
If th ec hild res train tsyst em isins talled
inc orrectlyo na suitable seat,itc anno tp ro-
te ct as intended. Thechild can notthe nb e
res train ed inthee vent ofan acc iden t,heav y
brak ingorsudde nchang es ofdire ction .
The reisan increas edrisko finjury, possibly
eve nfatal.
Mak esuret haty ou obs ervethe child
res train tsyst em man ufacturer'sins tal lation
ins truct ionsand then otes on use. Pleas e
en sur e,that theb ase ofthec hild res train t
syst emisalways resting comple tely on the
seat cushion .Never plac eobjec ts,e .g.c ush-
ion s,und eror behi ndthec hild res train tsys-
te m. Onlyuse child res train tsyst ems with
th eo rigin alco ver desi gned for them. Only
rep lace damag edcover sw ithg enuine cov-
ers . G
WAR
NING
If th ec hild res train tsyst em isins talled
inc orrectlyo risn otsec ured ,itc an come
loos eint he eve ntofan acc iden t,heav y
brak ingoras udde nchang eind irection .The ch
ild res train tsyst em could bethrow n
about ,strik ing vehicleo ccup ant s.The reis
an increas edrisko finjury, possiblyeven
fat al.
Alw ays installchild res train tsyst ems prop-
erl y,eve nifthe ya renotb ein gu sed. Make
sur ethaty ou obs ervethe child res train tsys-
te mm anufac turer'sins tal lation instruct ions.
Fur ther inform ation onstowin gobjec ts,lug-
gage andloads securel ycan be foun dunder
“S towin goption s/stowage compar tments”
(Y page 226). G
WAR
NING
Child restrain tsyst ems ortheir sec urin gsys-
te ms whic hhaveb een damag edorsubj ec-
te dt oal oad inan acc iden tcan no longer
pro tect as intended. Thechild can notthe n
be res train ed inthee vent ofan acc iden t,
heav ybrak ing orsudde nchang es ofdire c-
ti on .The re isan increas edrisko finjury,
pos siblyevenf atal.
Replac echild res train tsyst ems whichhave
been damag edorsubj ectedt oal oad inan
acc iden tass oona spossible. Havethe
sec urin gsyst ems onthec hild res train tsys-
te mc hecked ataq ualif iedspec ialist work-
sho p,bef ore you installac hild res train tsys-
te ma gain .
The securin gsyst em ofchild res train tsyst ems
is thes eat belt system.
i If
you installac hild res train tsyst em on
th ef ront pass enger seat ,bes uret oo bserv e
th ei nstruct ionsand safetyn otes on the
"Oc cup ant Class ification Sys tem( OCS )"
(Y page 46).The reyou willalso findinfor-
mat ionondisab lingt he fron tp ass enger
fr on ta irbag.
All child res train tsyst ems mustmeetthe fol-
lowin gstand ards :
R U.S. Fed eral MotorVeh icleS afet yS tand ards
21 3a nd 225
R Canad ianMot orVeh icleS afet yS tand ards
21 3a nd 210.2
Con firmat ionthat thec hild res train tsyst em
co rrespo ndstot he stand ards canbefoun don
an instruct ion label onthec hild res train tsys- Child
reninthev ehicle
55Safet y Z

tem.
Thisconfi rma tionc an also be fou ndin
the installatio ninstru ctio nstha tare incl uded
wi th the childres traint syste m.
Ob serve the warning labe lsin the vehiclei nte -
rio ra nd onthe childres traint syste m. Ch
ildr estrain tsystem onthe front-
pass engers eat
Ge neral notes If
yo ui nstal lac hild res traint syste mo nthe
fro nt-pa ssenge rseat,alwa ysobserve the
ins tructio nsand safety note sonthe "Occu -
pa nt Clas sific ati on Sys tem (OCS) "(Y pa ge 46) .
Yo uc an thu savoid the risks tha tcouldarise
as aresulto f:
R an inco rrectly cate gorized perso nint he
fro nt-pa ssenge rseat
R de acti vating thefrontpasse nge rfront air
ba gu nintenti onally
R the unsuitab lepo sitio ning ofthe child
res traint syste m, e.g.too closetothe dash-
bo ard
Rea rwa rd-fac ingc hild res train tsystem If
cir cum stances require yout os ecureac hild
in ar earw ard-fa cing childres traint syste mo n
the front-pa ssenge rseat,alwa ysma kesure
tha tthe frontpasse nge rfront airb ag isde acti -
va ted .Onlyi fthe PASSEN GERAIRBAG OFF
ind icator lamp islitc onti nuously(Y page 39),
is the frontpasse nge rfront airb ag deacti va-
ted .
Alw ayso bserve the childres traint syste m
ma nuf actu rer'sins tallatio na nd opera ting
ins tructio ns.
Fo rwa rd-fac ingc hild res train tsystem If
yo us ecureac hild inaf orwa rd-f acing child
res traint syste mo nthe front-pa ssenge rseat,
al wa ysmov ethe front-pa ssenge rseata sfar
ba ck aspossi ble. The entirebase ofthe child
res traint syste mm usta lway sr esto nt he seat
cus hion ofthe front-pa ssenge rseat.The back-
res tofthe childres traint syste mm ustlie as
fla ta sp ossibl ea gainst the backre stof the
fro nt-pa ssenge rseat.The childres traint sys-
tem mustnot touchthe rooforb es ubjected
to aloa db ythe head res traint. Adju stthe
ang leof the seat backre stand thehead res
traint positio na ccord ingly.A lway sm ake
su re tha tthe sho ulde rb elts tra pisc orr ectl y
rou ted fromt hefront-pa ssenge rseatb elt
gu idet ot he sho ulde rb eltg uide on the child
res traint syste m. Thes houlde rb elts tra pm ust
be rou ted forwa rdand down fromt hefront-
pa sse nge rseatb eltg uide .
Alw ayso bserve the childres traint syste m
ma nuf actu rer'sins tallatio na nd opera ting
ins tructio ns. Pe
ts inthe vehic le G
WA
RNING
If yo ul eave ani ma lsuns uperv ised oruns e-
cur edinthe vehicle, the ym aypre ssbuttons
or sw itch es,for ins tance .
In thi sw ay,a nima lsma y:
R acti vate veh iclee quipm ent and become
tra pped,for exa mpl e
R sw itch syste ms onoroff and thereb y
end angerothe rroa du sers
Fur thermo re,uns ecu red anima lsma ybe
flu ng arou nd insidet he veh iclei nt he eve nt
of an acc ident orabrupt ste ering orbra king
ma neu ver,and the reb yinju reveh icleo ccu -
pa nts. There isar isko faccident and injury.
Nev erleav ea nima lsuna ttend edinthe vehi-
cle .
Alw ayss ecurea nima lspro perly when driv-
ing ,for ins tance with as uita blep etcar rier. Dri
ving safety systems Ov
erv iewo fdriv ings afety systems
In thi ss ectio n,youw illf indi nform ation abou t
the followi ng drivin gs afety syste ms:
R ABS (Anti -lock Bra king Sys tem)
(Y page 57)
R BAS (Bra keAss istS ys tem) (Ypage 57)
R Activ eBrake Assi st(Y page 58)
R Ada ptive bra kelights (Ypage 60)
R ESP ®
(Ele ctroni cSta bility Pro gram)
(Y page 60) 56
Dr
ivi ng safet ys ystemsSa fet y

Problem
Possible
causes/co nsequences and0050 0050
Solutions The
engine cannot be
started usingtheSmart-
Key. The
on-board voltageistoo low.
X Switch offnon- essential consumers, e.g.seat heating orinterior
lighting, andtrytostart theengine again.
If this does notwork:
X Check thestarter battery andcharge itifnecessary
(Y page 260).
or
X Jump-start thevehicle (Ypage 261).
or
X Consult aquali fied specialist workshop. The
engine cannot be
started usingKEYLE SS-
GO. TheSmartK eyisin
the vehicle. The
vehicle islocked.
X Unlock thevehicle andtrytostart thevehicle again. The
SmartK eybattery isdischarged ornearly discharged.
X Check theSmartK eybattery (Ypage 69)and replace itifneces-
sary (Ypage 69).
If this does notwork:
X Start yourvehicle withtheSmartK eyinthe ignition lock. There
isinterf erence fromapowerful sourceofradio waves.
X Start yourvehicle withtheSmartK eyinthe ignition lock. You
have lostaSmart-
Key. X
Have theSmartK eydeactivated ataq ualified specialist work-
shop.
X Report theloss immediately tothe vehicle insurers.
X Ifnecessary, havethelocks changed aswell. You
have lostthe
mechanical key. X
Report theloss immediately tothe vehicle insurers.
X Ifnecessary, havethelocks changed aswell. The
side windows can-
not beopened orclosed
using theconven ience
opening/c losingfea-
ture. The
SmartK eybattery isdischarged ornearly discharged.
X Check theSmartK eybattery (Ypage 69)and replace itifneces-
sary (Ypage 69). Doo
rs Import
antsafety notes G
WARNING
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment Additionally,
childrencouldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmission outof
park position 005D
R start theengine
There isar isk ofan accident andinjury. Doo
rs
71Opening andclosing
Z

Corr
ectdriver 'sseat position G
WAR
NING
You couldlose control of your vehicle ifyou
do thef ollowin gwhile driving:
R adj ust thed river' ss eat ,head restraint ,
st eer ing wheel ormir rors
R fast enthes eat belt
Ther eisar isko fana cciden t.
Adj ust thed river' ss eat ,head restraint ,
st eer ing wheel andmirror and fastenyour
seat beltbefore start ing thee ngine. X
Obse rvet he safe tyguidel inesonseat
adj ust men t(Ypage 85).
X Mak esure that seat 0087isadj ust edpro perl y.
Man ualseat adjust men t.(Y page 87)
Ele ctric alseat adjust men t.(Y page 87)
When adjust ing thes eat ,makes ure that:
R you areasfar away from thed river' sa irbag
as poss ible
R you aresittin ginan orma luprig htposi tion
R you can fastenthes eat belt properl y
R you have movedtheb ack resttoa nalmos t
ver ticalposi tion
R you have setthes eat cushion angleso that
your thighs aregentlysuppo rted
R you can depr essthep edals properl y
X Chec kwhether theh ead restraint isadj us-
te dp roperl y. When
doingso,mak esure that you have
adj ust edtheh ead restraint sothat theb ack
of your head issuppo rted ateye levelbyt he
cen tero fthe head restraint .
X Obse rvet he safe tyno teso nsteer ing col-
umn adjust men t(Ypage 89).
X Mak esure that steer ing wheel 0043isadj us-
te dp roperl y.
Ad jus tingt he steer ing wheel man-
ually (Ypage 90)
Ad jus tingt he steer ing wheel electricall y
(Y page 90)
When adjust ing thes teer ing wheel column ,
mak esure that:
R you can hold thes teer ing wheel withyour
arm ssligh tlyben t
R you can mov eyour legs freely
R you can seeallthed ispl ays inthei nstru-
men tclus terc learly
X Obse rvet he safe tyguidel inesfor seat belts
(Y page 40).
X Chec kwhether you have fastened seat
belt 0044properl y(Ypage 42).
The seat beltshould:
R fit snugly across your body
R be rout edacr oss them iddleof your shoul-
der
R be rout edinyour pelvicarea across theh ip
jo int s
X Bef ore start ing off,adjust ther ear -view mir-
ror and thee xteri or mir rors(Ypage 92)in
suc haw aythat you have agood view of
road andtraff iccon dition s.
X Veh icles withamemory funct ion: save
th es eat ,steer ing wheel andexterior mirror
set tings (Y page 95). Seat
s Imp
ortant safety notes G
WAR
NING
Childr encoul dbecome trapped ifth ey
adj ust thes eat s,part icular lywhen unatten-
ded. Thereisar isko finjury.
When leavingthev ehicle ,always takethe
Sm artKey withyou and lockthe veh icle.This
also applies fortheD igital Veh icle Key ifth e Seat
s
85Seat s,steerin gwheel andmirro rs
Z

"Dig
italVeh icle Key" function isact ivat edvia
Mer cedesme conn ect .Never leave childr en
uns uperv isedinthev ehicle .
The seat scan still be adjust edwhen there is
no Sm artKey inthei gn ition lock. G
WAR
NING
When youadjust aseat ,you orother vehicle
oc cupan tscould become trapped, e.g.on
th es eat guide rail.Ther eisar isko finjury.
When adjust ing aseat ,makes ure that no
on eh asany body partsint he sweep ofthe
seat . G
WAR
NING
If th ed river' ss eat isno te ngaged ,itc ould
mov eforwards asfar asthen extc atch dur-
ing mov eme ntsuc hasbrak ing orabrupt
ch ang esofdire ction .Asar esult, you would
be pushe dagain styour seatbeltbythe
uns ecur eddriv er'ss eat .
This could caus eyou tolose control ofthe
veh icle.The seat beltcannotp rotect as
int ended andcould result inaddit ional
inj ury.
Ther eisar isko fana cciden tand injury.
Bef ore everyjourn ey, mak esure that the
driv er'ss eat isfully engaged .
Obse rvet he safe tyno teso n"Air bags"
(Y page 43)and "Childr eninthev ehicle "
(Y page 53). G
WAR
NING
If th ed river' ss eat isno te ngaged ,itc ould
mov eunexpe ctedly while thev ehicle isin
mot ion.This could caus eyou tolose control
of thev ehicle .Ther eisar isko fana cciden t.
Alwa ysmak esure that thed river' ss eat is
en gaged before start ing thev ehicle . G
WAR
NING
If you adjust thes eat heig htcar eles sly,you
or other vehicle occupan tscould betrapped
and there byinjured. Childr eninpart icular
co uld acciden tallypress thee lectrical seat adj
ust men tbutto ns and become trapped.
Ther eisar isko finjury.
While movingthes eat s,mak esure that your
han dsorother body partsdon otget unde r
th el eve rasse mbly ofthes eat adjust men t
syst em. G
WAR
NING
If th eh ead restraint sarenotins tall ed ornot
adj ust edcorrect ly,they can notp rovide pro-
te ction asintended. Thereisa nincreas ed
ris ko finjury intheh ead and neck area, e.g.
in thee vent ofan acc iden torw hen brak ing.
Always drivewitht he head restraint sins tal-
led. Before drivingoff,m akes ure foreve ry
veh icle occupan ttha tthe cen tero fthe head
res traint suppo rtst he back oftheh ead at
about eyelevel. G
WAR
NING
You could lose control ofyour vehicle ifyou
do thef ollowin gwhile driving:
R adj ust thed river' ss eat ,head restraint ,
st eer ing wheel ormir rors
R fast enthes eat belt
Ther eisar isko fana cciden t.
Ad jus tthe driv er'ss eat ,head restraint ,
st eer ing wheel andmirror and fastenyour
seat beltbefore start ing thee ngine.
! To
pre ven tdamag etot he seat sand the
seat heating,obse rvet he followin gnotes :
R Do notspill liquids onto thes eat s.Dr yt he
seat sassoon asposs ibleifliquid does
get spille donthe seat s.
R Ifth es eat cover saredamp orwet ,don ot
swit chon thes eat heat ing.Also, do not
use thes eat heat ingtodry thes eat s.
R Clean thes eat cover sasrecomm ended;
see the" Inte rior care"sec tion.
R Do nottrans por theav yloads onthe
seat s.Do notp lac ep ointedo bject son
th es eat cushion ssucha sknives ,nailso r
to ols. Wher eposs ible, usethes eat sonly
for carryin gpass enger s.
R When operatingthe seat heating,don ot
co ver thes eat sw ithi nsulati ngmat erial s, 86
Seat
sSeat s,steerin gwheel andmirro rs

e.g.
blanket s,coats, bags,protec tivecov-
ers, child seats orbooster seats.
R When theseat heating isswitched on,the
seat surface canbedamaged asaresult
of objec tsbeing placed onthe seats, for
example, seatcushions ,child seats and
protec tivecover snotapproved by
Mercedes- Benz.
! Make
surethatthere arenoobjec tsinthe
footwell underorbehind theseats when
movin gthe seats back. There isar isk that
the seats and/or theobjec tscould bedam-
aged.
i The
head restraints areequipped withthe
NECK- PROsystem (Ypage 52).Forthis rea-
son, itis not possible toremove thehead
restr aints fromtheseats.
For more information ,con tact aqualified
specialist workshop. Adju
sting theseats manually X
Seat fore-a nd-aftadj ustm ent:liftlever 0043
and slide theseat forwards orbackwards.
X Release lever0043again.
Make surethatyouhear theseat engage in
position .
X To adj ust the backrest angle:relieve the
pressure onthe backr est.
X Pull handle 0044and move backresttothe
desired angle.
X Release handle0044again.
The backr estmust audibly engage.
X To adj ust the seat height: pullhandle 0087
upwards orpush itdown repeatedly until
the seat hasreached thedesired height. Adju
sting theseats electrically 0043
Back restangle
0044 Seat fore-and-aft adjustm ent
0087 Seat cushion angle
0085 Seat height
i You
canstorethe seat settings using the
memory function (Ypage 95). Adju
sting thehead restraints G
WARN
ING
You could losecontrol ofyour vehicle ifyou
do the following whiledriving:
R adjust thedriver's seat,head restraint,
steerin gwheel ormirror s
R fasten theseat belt
There isar isk ofan acciden t.
Adj ust the driver's seat,head restraint,
steerin gwheel andmirror andfasten your
seat beltbefore startingthe engine. X
To raise/lower: pushthehead restraint
upwards orpull itdown intothedesired
position . Seats
87Seats,steering wheelandmirrors Z

Callin
gupas tored parking position
set ting X
Turn theS martKey toposi tion0048 inthei gn i-
tio nlock.
X Sel ect thee xteri or mir ror onthef ront-
pass enger side usingbutto n0044.
X En gage revers egear .
The exterior mirror onthef ront-pa sse nger
side movestothes toredp ark ing posi tion.
The exterior mirror onthef ront-pa sse nger side
mov esback toits orig inal posi tion:
R as soon asyou excee das peedof9 mph
(15 km/h)
R ifyou pres sbutto n0043 for thee xteri or mir ror
on thed river' ss ide Mem
oryfunct ion St
ori ng set tings G
WAR
NING
If you usethem emory function onthed riv-
er' ss ide while driving,you coul dlose con-
tr ol of thev ehicle asaresult ofthea djust -
men tsbein gmade.Ther eisar isko fana cci-
den t.
On lyuse them emory function onthed riv-
er' ss ide when thev ehicle isstatio nary. G
WAR
NING
When them emory function adjust sthe seat ,
you and other vehicle occupan ts–p articu-
larly childre n–c ouldb ecome trapped. There
is ar isko finjury. While
them emory function ismak ingadjust -
men ts,m akes ure that no oneh asany body
part sint he sweep ofthes eat .
If som eonebecome strapped, pressam em-
ory posi tions wit ch orseat adjust men t
swit chimm ediat ely. G
WAR
NING
Childr encoul dbecome trapped ifth ey act i-
vat ethe mem oryfunction ,part icular lywhen
unat tende d.Ther eisar isko finjury.
Nev erleave childre nunsuperv isedinthe
veh icle.
When leavingthev ehicle ,always takethe
Sm artKey withyou and lockthe veh icle.This
also applies fortheD igital Veh icle Key ifth e
"Dig italVeh icle Key" function isact ivat edvia
Mer cedesme connect.
The mem oryfunction can beact ivat edatany
tim e,e.g .evenw hen theS martKey isno tin
th ei gn ition lock.
Wit hthe mem oryfunction ,you can store upto
th ree differe ntset tings, e.g.for three differe nt
peopl e.
The followin gsettin gs are store dasas ingle
mem orypres et:
R Posi tiono fthe seat ,back restand head
res traint
R Dr iver 'sside: steer ing wheel position
R Dr iver 'sside: positiono fthe exterior mirrors
on thed river' sa nd fron t-pass enger sides Mem
oryfunct ion
95Seats,steerin gwheel andmirro rs Z