2021 MERCEDES-BENZ CLS seats

The
seat belts onthefo llo wing seats areeq uip‐
ped withaspec ialseal beltretract or:
R Front passeng erseat
R Rear seat s #
Toins tall ach ild restra int system: when
ins talling ach ild restra int system, always
obser vethemanuf acturer'sinstallation and
opera tingins truct ions aswellas theinf orma‐
tion inthis Oper ator's Manual. #
Pull theseat beltsmoo thly from theseat belt
outle t. #
Engage theseat belttongu ein theseat belt
buc kle. #
Toactiv ateth especia lseal beltretrac‐
to r:pull theseat beltoutfully andletth e
iner tiareel retract itag ain.
Wh enthespecial sealbeltretract orisacti va‐
te d, youwill hear ara tche ting sound. #
Push thech ild restra int system down until
th eseat beltsitstight ly. #
Todeac tivatethe special seal be ltre trac‐
to r:press there lease buttonoftheseat belt
buc kle. #
Hold theseat belttongu eand guide ba ck to
th eseat beltoutle t. Ins
talling aLA TC H-type (ISOFI X)child
re stra int system onthere ar seat Ins
tallingaLA TC H-type (ISOFI X)child
re stra int system onthere ar seat &
WARNIN GRisk ofacci dent ifth ere ar
ben chseat, rear seat andseat backres t
ar eno teng aged
The rear ben chseat, rear seat andseat back‐
re st ma yfo ld forw ards, evenwh en youar e
dr ivin g.
R Asare sult, theve hicle occupant willbe
pushed intoth eseat beltwithincr eased
fo rc e. The seat beltwillnotbe able to
pr otect asintended andcould cause
additional injury.
R Objects orloads inthetrunk orcar go
com partmen twill notbe restra ined by
th eseat backres t. #
Mak esur eth at there ar ben chseat, the
re ar seat andtheseat backres tar e
eng aged bef oreeve rytrip . If
th elef tand right seat backres ts areno t
eng aged and lockedin place, this will besho wn
on themultifunc tiondispla yon theins trument
clus ter.
If th ecent erseat backres tis no teng aged and
loc kedin place, there dloc kve rificati onindi ca‐
to rwil lbe visib le. &
WARNIN GRisk ofinju ryor deat hif th e
per missible gross mass ofthech ild and
ch ild restra int system isexc eeded
The LATC H-type (ISOFIX )ch ild seat secur ing
sy stems maybe ove rloaded andthech ild
ma yno tbe restra ined intheeve ntofan acci ‐
de nt, forex am ple. #
Ifth ech ild and thech ild restra int sys‐
te m toget her weigh mor eth an theper‐
missible gross mass of73 lb(33 kg),
use onlya LA TC H-type (ISOFIX )ch ild Occ
upant safety 55

re
stra int system that sec ures thech ild
wit hth eve hicle seatbelt. #
Also secur eth ech ild restra int system
wit hth eTo pTe ther belt, ifav ailable. Alw
ayscom plywit hth einf ormation aboutthe
mass ofthech ild restra int system:
R Inthemanuf acturer'sinstallation andoper at‐
ing instruct ions forth ech ild restra int system
used
R Onalabel onthech ild restra int system, if
pr esent
Re gular lych eckth at theper missible gross mass
of thech ild and child restra int system isstill
com plied with.
When installing ach ild restra int system, obser ve
th efo llo wing:
0073 Alw
aysobser vethecor rect useof theseats
and consider their suit ability foratt aching a
ch ild restra int system.
0073 Alw
ayscom plywithth emanuf acturer's
ins tallation andoper atingins truct ions for
th ech ild restra int system used. 0073
Mak
esur eth at thech ild's feet do notto uc h
th efront seat. Ifneces sary,mo vethefront
seat slightl yfo rw ards.
® When installing aLA TC H-type (ISOFIX )
ch ild restra int system, also obser vethefo llo w‐
ing:
0073 When
usingabab ycar seat inwe ight
gr oup 0/0+ andare ar wa rd-faci ng child
re stra int system inwe ight group Ion a
re ar seat :adju stthefront seat sothat the
seat does notto uc hth ech ild restra int sys‐
te m.
0073 When
usingafo rw ard-f acin gch ild
re stra int system inwe ight group I:th e
bac kres tof thech ild restra int system mus t
lie asflat as poss ibleagains tth ebac kres tof
th eve hicle seat.
0073 If
th ehead restra int ofthech ild seat cannot
be fullyex tende dwh en itis ins talled inthe
ve hicle, this will result inrestrictions onthe
maximu msize setting forch ild restra int sys‐
te ms inwe ight group 2or 3.
Cont actwithth ero of when thehead
re stra int isfull yex tende dand lock ed in place
willnotre sult inanyre strictions on
us e.
0073 The
child restra int system mus tno tbe put
under stra in be tween thero of and theseat
cushion and/orbeinstalled facing the
wr ong direct ion. Wher epossi ble,adjus tth e
seat cushion inclination accordingly.
0073 The
child restra int system mus tno tbe put
under stra in by thehead restra int .Ad jus t
th ehead restra int sas appr opriate. 56
Occupant safety

#
Mak esur eth at there ar ben chseat, the
re ar seat andtheseat backres tar e
eng aged bef oreeve rytrip . If
th elef tand right seat backres ts areno t
eng aged and lockedin place, this will besho wn
on themultifunc tiondispla yon theins trument
clus ter.
If th ecent erseat backres tis no teng aged and
loc kedin place, there dloc kve rificati onindi ca‐
to rwil lbe visib le.
When install ing abel t-secur edchild
re stra int system, obser vethefo llo wing:
0073 Alw
ayscom plywit hth emanuf acturer's
ins tallation andoper atingins truct ions for
th ech ild restra int system used.
0073 When
usingawe ight categor y0/0+
bab ycar seat andawe ight categor yI
re ar wa rd-faci ng child restra int system
on are ar seat :adju stthefront seat sothat
th eseat does notto uc hth ech ild restra int
sy stem.
0073 The
backres tof thefo rw ard-f acin gch ild
re stra int system mus t,as faras possi ble,be re
sting ontheseat backres tof there ar
seat .
0073 If
th ehead restra int ofthech ild seat cannot
be fullyex tende dwh en itis ins talled inthe
ve hicle, this will result inrestrictions onthe
maximu msize setting forch ild restra int sys‐
te ms inwe ight categor yII or III.
Cont actwithth ero of when thehead
re stra int isfull yex tende dand lock ed in
place willnotre sult inanyre strictions on
us e.
0073 The
child restra int system mus tno tbe put
under stra in be tween thero of and theseat
cushion and/orbeinstalled facing the
wr ong direct ion. Wher eposs ible, adjus tth e
seat cushion inclination accordingly.
0073 The
child restra int system mus tno tbe put
under stra in by thehead restra int .Ad jus t
th ehead restra int sas appr opriate.
0073 Mak
esur eth at thech ild's feet do notto uc h
th efront seat. Ifneces sary,mo vethefront
seat slightl yfo rw ards. The
seat beltson thefo llo wing seats areeq uip‐
ped withaspec ialseat beltretract or:
R Front passeng erseat
R Rear seat s
When enabled,thespecial seatbeltretract or
ens ures that theseat belts ofthefront
passeng erseat andrear seat sdo notslac ken
once thech ild restra int system issecur ed
(/ page54 ). #
Installth ech ild restra int system.
The entire base ofthech ild restra int system
mus talw aysre st on thesitt ing surface ofthe
re ar seat . #
Alw aysmak esur eth at theshoulder belt
st ra pis cor rectly routed from theseat belt
outle tof theve hicle totheshoulder belt
guide onthech ild restra int system.
The shoulder beltstra pmus tbe routed for‐
wa rdsand down wardsfrom theseat beltout‐
le t. Occ
upant safety 59

No
teson thecor rect driver' sseat position &
WARNIN GRisk ofacci dent dueto
adjus tingve hicle settin gswhile theve hi‐
cle isin mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ionsinpar ticular :
R Ifyo uadj ustth edr iver's seat, thehead
re stra int s,thesteer ing wheel orthemir‐
ro rwhi letheve hicle isin mo tion.
R Ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion. #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int s,the
st eer ing wheel andthemir rorand fas‐
te nyo ur seat belt. En
sur eth efo llo wing when adjustingst eer ing
wheel 1,seat belt2and driver's seat 3:
R Youar esit tin gas faraw ay from thedr iver's
airbag aspossible, taking thefo llo wing
point sint ocon sider ation .
R Youar esit tin gin an upr ight position
R Your thighs areslight lysuppor tedby theseat
cushion R
Your legs areno tfull yex tende dand youcan
depr essthepedals proper ly
R The backof your head issuppo rted ateye
le ve lby thecent erofthehead restra int
R Youcan hold thesteer ing wheel withyo ur
ar ms sligh tly ben t
R Youcan moveyour legs freel y
R Youcan seeallthedispla yson theins tru‐
ment clusterclea rly
R Youha ve agood overvie wof thetra ffic con ‐
dition s
R Your seat beltsitssn ug lyag ains tyo ur body
and pass esacr oss thecent erofyour sho ul‐
der and across your hips inthepelvic area Seats
andstow ing 87

Seats
Ad
jus tingthe fron tse at mec hanicall yand
el ec tric all y &
WARNIN GRisk ofbeco ming trap ped if
th eseats areadjus tedby childr en
Childr encould becom etrapped ifth ey adjus t
th eseats, particular lywhen unattended. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. Yo
ucan adjustth eseats when theignition is
switc hedoff. &
WARNIN GRisk ofbeco ming trap ped
whe nad jus ting theseat
When youadj usta seat ,yo uor other vehicle
occupants couldbecome trapped, e.g.onthe
seat guide rail. #
When adjustingaseat, makesur eth at
no onehas anypar tof their body within
th esw eep oftheseat. Obser
vethesaf etyno teson "Airbags" and"Chil‐
dr en intheve hicle". &
WARNIN GRisk ofacci dent dueto the
dr iver's seat notbeing engaged
The driver's seat maymo veune xpectedl y
while drivin g.
This could caus eyo uto lose control of the
ve hicle. #
Alw aysmak esur eth at thedr iver's seat
is eng aged bef orest ar tin gth eve hicle. &
WARNIN GRisk ofbeco ming trap ped if
th eseat height isadjus tedcar elessl y
If yo uadj ustth eseat height carelessly ,yo u
or other vehicle occupants couldbetrapped
and ther eb yinjur ed. Childr
eninpar ticular couldacciden tally
pr ess theelectr icalseat adjus tmentbutt ons
and become trapped. #
While moving theseats, makesur eth at
han dsorother body partsdo notget
und ertheleve rasse mbly oftheseat
adjus tmentsy stem. &
WARNIN GRisk ofinju rydue tohead
re stra int sno tbeing installed orbeing
adjus tedincor rectl y
If hea dre stra int sha ve notbe en installed or
ha ve notbe en adjus tedcor rectly ,th er eis an
incr eased risk ofinjur yin thehead andneck
ar ea, e.g. intheev ent ofan acciden tor when
br aking. #
Alw aysdr ive wit hth ehead restra int s
ins talled. #
Beforedr ivin gof f,mak esur efo rev ery
ve hicle occupant that thecent erofthe
head restra int suppor tsthebac kof the
head atabout eyeleve l. 88
Seatsand stow ing

#
Toadjus tth e4-w aylum bar support:usin g
but tons 1 to4 ,adjus tth econ tour ofthe
bac kres tindividuall yto suit your bac k. Ad
jus tingthe fron tse at elec tric all y 1
Headre stra int height
2 Seat backres tinc linat ion
3 Seat height 4
Seat cushio nlengt h
5 Seat cushio ninc linat ion
6 Seat fore -and -aftpos ition #
Save these ttings withth ememor yfunc tion
(/ page10 0). Head
restra ints Ad
jus tingthe fron tse at head restra ints
mec hanica lly &
WARNIN GRisk ofacci dent dueto
adjus tingve hicle settin gswhile theve hi‐
cle isin mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ionsinpar ticular :
R Ifyo uadj ustth edr iver's seat, thehead
re stra int s,thesteer ing wheel orthemir‐
ro rwhi letheve hicle isin mo tion.
R Ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion. #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int s,the st
eer ing wheel andthemir rorand fas‐
te nyo ur seat belt. &
WARNIN GRisk ofinju rydue tohead
re stra int sno tbeing installed orbeing
adjus tedincor rectl y
If hea dre stra int sha ve notbe en installed or
ha ve notbe en adjus tedcor rectly ,th er eis an
incr eased risk ofinjur yin thehead andneck
ar ea, e.g. intheev ent ofan acciden tor when
br aking. #
Alw aysdr ive wit hth ehead restra int s
ins talled. #
Beforedr ivin gof f,mak esur efo rev ery
ve hicle occupant that thecent erofthe
head restra int suppor tsthebac kof the
head atabout eyeleve l. Do
notint erch ang eth ehead restra int sof the
fr ont and rear seat s.Ot her wise, youwill notbe
able toadjus tth eheight andangleof thehead
re stra int scor rectl y. 90
Seats andstow ing

Ad
jus tingthe head restra ints ofthere ar
seats mechanic ally #
Toraise: pullthehead restra int up. #
Tolowe r:press release knob 1 inthedir ec‐
tion ofthear row and push thehead restra int
do wn. Conf
iguringtheseat settings Multi
media system:
4 © 5
Comfort 5
Seat Comfort
Ad jus tingthe backres tco ntou rin the lumb ar
re gion oftheseat backres t(lum bar) #
Sele ctLumbar . #
Sele ctthese ttings Z forth edesir edseat. #
Adjus tth eair cushions .
Ad jus tingthe backres tsi de bolste rs #
Select SideBol sters . #
Adjus tth eair cushion forth edesir edseat.
Se tting theseat heatingbala nce #
Sele ctSeat HeatingBalan ce. #
Adjus tth eheat distribution forth edesir ed
seat. Se
tting automat icseat adjustm ent &
WARNIN GRisk ofbeco ming trap ped
du ring adjus tment ofthedr iver's seat
af te rcall ing upadr iver profile
Selecting auser profile ma ytrigg eran
adju stment ofthedr iver's seat totheposi‐
tion save dunder theuser profile. Youor
ot her vehicle occupants couldbeinjur edin
th epr ocess. #
Mak esur eth at when theposition of
dr iver's seat isbeing adjustedusing the
multime diasystem, nopeople orbody
par tsarein theseat's rang eof mo ve‐
ment.
If th er eis arisk ofsomeone becoming trap‐
ped, stop theadjus tmentpr ocess immedi‐
at ely: #
a)Tapth ewa rning mess ageon the
media display.
or 92
Seats andstow ing

#
b)Press amemor yposition buttonora
seat adjus tmentswitc hon thedr iver's
door .
The adjus tmentpr ocess willbestop‐
ped. Re
quirement s:
R Adaptin gth edr iver's seat position tothe
body size:automatic seatadjus tmenthas
been switchedon.
Multimedia system:
4 © 5
Set ting s5
Vehicle
5 Autom aticSeat Adjustmen t
Switc hingautomat icseat adjustm ent on/of f
When theactiv euser profile isch ang edwhile
th eve hicle isstatio nary,thedr iver's seat, out‐
side mirrorand seat contourwillau tomatical ly
be adap tedto thedr iver . #
Select OnorOff.
% This setting isavailable onlyforindivi dual
user profile s. Fo rth egues tpr ofile, auto‐
matic seatadjus tmentcann otbe switc hed on
oroff.Fu rther information aboutuser
pr ofiles .
Ad jus tingthe driver' sse at pos ition tobody
size
The vehicle willcalculat easuit able driver's seat
position onthebasis ofthedr iver's body size
and setth is dir ect ly. #
Tosetth eunit ofmea surement :selec tcm
or ft/in. #
Setth esize using thescale. #
Select Start Position ing.
The driver's seat position willbeadjus tedto
th ebody sizethat has been set.
% Ifth edr iver's seat position calculatedbythe
ve hicle isno tpr actical orcomf ortable, itcan
be chang edman uallyat anytim evia thebut‐
to ns.
The outsid emir rors areno tse tvia this func ‐
tion .Ins tead, they have tobe setmanually
via theswitc hes.
% Youcan also configur eth ese settings viathe
Mer cedes meportalfo ryo ur user profile. By
syn chronizi ngthepr ofiles intheve hicle and th
eMer cedes meconnect profiles, youcan
car ryove rth ese settings foryo ur vehicle.
Fu rther information aboutsynchronizing user
pr ofiles .
Se tting theeasy entryand exitfeatur e #
Activateor deacti vate thefunc tion.
% Ifyo uuse anind ivid ual user profile and have
se tyo ur body size,this inf ormatio nis car ried
ove rfo rth eeasy entryand exitfeatur e.This
caus esthedr iver's seat toaut omat ically
mo veintoth ecor rect pos ition . Ov
ervie wof massag epr og rams R
Hot Relaxing BackCo mbi nati onofheat and
ma ssa ge.It star ts by massa gingthebac k.In
addi tion, warm pressur epoint sbecome
no ticeable, star tin gin thepel vic area.
R Hot Relaxing Shoulder Combination ofheat
and massag e.Itstar ts by massa gingthe
shoulde rs.In addition, warm pressur epoint s
become noticeable, star tin gin thepel vic
ar ea. Seats
andstow ing 93