2021 MERCEDES-BENZ C-CLASS SEDAN Owner's Manual

#
Push thehead restra int bac kwards and letgo
of release knob 2.
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. Ins
talling/r emoving there ar seat head
re stra ints
Re mo ving #
Release there ar seat backres tand fold itfor‐
wa rdsslightly (/page10 5). #
Pullth ehead restra int upw ards asfaras it
wil lgo. #
Push release knob 1 inthedir ect ion ofthe
ar row and pulloutthehead restra int .
Ins talling #
Insertth ehead restra int suc hth at the
no tches onthebar areon thelef twhen
vie we din thedir ect ion oftra vel. #
Push thehead restra int down untilit
eng ages. #
Foldthere ar seat backres tbac kunt ilit
eng ages. Conf
iguringtheseat settings Multi
media system:
4 © 5
Comfort 5
Seat Comfort #
Select aseat.
Ad jus tingthe backres tsi de bolste rs #
Select SideBol sters . #
Adjus tth eair cushions . Seats
andstow ing 95

Ad
jus tingthe backres tco ntou rin the lumb ar
re gion oftheseat backres t(lum bar) #
Sele ctLumbar . #
Adjus tth eair cushions . Selecting
thema ssag epr og ram forthe fron t
se ats Mu
ltimed iasystem:
4 Vehicle 5
a Seats #
Select Driver'sSeat orPassenger. #
Select Massage. #
Select amassag epr ogr am.
The massag epr ogr am runs forapp roxima tely
9 to 15 minut es,depe nding onthese tting. #
Tosetth ema ssag eint ensit y:switc hHigh
Inten sityon0073 oroff0053. Re
setting seat settings Multimedia
system:
4 Vehicle 5
a Seats 5
Reset #
Select YesorNo. Depen
dingonwhe ther these ttings forth edr iv‐
er ’s or front passeng erseat areselect ed,only
th eselect edseat canberese t. Switc
hingtheseat heatingon/of f &
WARNIN GRisk ofburnsdue torepeat‐
edl yswitc hingontheseat heating
Re peat edly switc hingontheseat heating can
cause theseat cushion andseat backres t
padding tobecome very hot.
In par ticular ,th ehealt hof per sons withlimi‐
te dte mp eratur esensit ivityoralimit edability
to react tohigh temp eratur esma ybe affec‐
te dor they ma yev en suf ferbur n-lik einjur ies. #
Donotre peat edlyswitc hon theseat
heating. To
protect agains tove rheating, theseat heating
ma ybe temp orarily deactiv ated afte rit is
swi tched onrepeat edly. *
NO
TEDama getotheseats caused by
object sor document swhen theseat
heating isswitc hedon When
theseat heating isswitc hedon,over‐
heati ngmayoccur duetoobject sor docu‐
ment splaced ontheseats, e.g.seat cush‐
ions orchild seats .This could cause damag e
to theseat surface. #
Makesur eth at no obj ect sor doc u‐
men tsareon theseats when theseat
heating isswitc hedon. Re
quirement s:
R The powe rsupp lyis swi tched on. 96
Seats andstow ing

#
Press butt on1 repeat edly until thedesir ed
heating leve lis set.
Depe ndingon theheating leve l,up tothre e
indic ator lam pswill light up.Ifall indic ator
lam psareof f,th eseat heating isswitc hed
of f.
% The seat heating willautomaticall yswitc h
do wn from theth re eheating leve ls afte r8, 10
and 20min utes unt ilth eseat heating is
switc hedoff. Switc
hingtheseat ventilat ionon/of f Re
quirement s:
R The powe rsupp lyis swi tched on. #
Press butt on1 repeat edly until thedesir ed
blo werse tting hasbeen reac hed.
De pen dingon theblo werse tting, uptothre e
indic ator lam pswill light up.Ifall indic ator
lam psareof f,th eseat ventil ation issw itched
of f. Ste
ering wheel Ad
jus tingthe steer ing wheel mechanicall y &
WARNIN GRisk ofacci dent dueto
adjus tingth eve hicle settin gswhile the
ve hicle 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 ,th esteer ing wheel orthemir ror
while theve hicle isin mo tion
R Ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion #
Beforest ar tin gth eengine: Inpar ticular ,
adjus tth edr iver's seat, head restra int , Seat
sand stow ing 97

st
eer ing wheel andmirror,and fasten
yo ur seat belt. &
WARNIN GRisk ofentr apment forch il‐
dr en when adjustingth esteer ing wheel
Childr encould injureth emselv esifth ey
adjus tth esteer ing wheel. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Tounlo ck:pu sh release leve r1 down as
fa ras itwil lgo. #
Adjus the ight 2 and dist anc e3 tothe
st eer ing wheel. #
Toloc k:push release leve r1 upasfaras it
wil lgo. #
Chec kand makesur eth at thesteer ing col‐
umn isloc kedby mo ving thesteer ing wheel. Ad
jus tingthe steer ing wheel electrically The
steer ing wheel canbeadjus tedwhen the
po we rsupp lyis disco nnect ed. 1
Toadjus tth edis tance tothesteer ing wheel
2 Toadjus tth eheight #
Save these ttings withth ememor yfunc tion
(/ page10 1). 98
Seats andstow ing

Switc
hingthest eer ing wheel heatingon/of f Re
quirement s:
R The ignit ionisswitc hedon. #
Turn theleve rin thedir ect ion ofarrow 1or
2.
If indicat orlam p3 lights up,thesteer ing
wheel heating isswitc hedon. When
youswit chtheignition off,th esteer ing
wheel heating switchesoff. Easy
entryand exitfeatur e Usi
ngtheeasy entryand exitfeatur e &
WARNIN GRisk ofacci dent whenpu lling
aw ay dur ing theadjus tmentpr ocess for
th eeasy exitfeatur e
Yo uco uld lose contro lof theve hicle. #
Alw ayswa itunt ilth eadjus tmentpr oc‐
ess iscom pletebef orepulling away. &
WARNIN GRisk ofbeco ming trap ped
du ring adjus tment oftheeasy entryand
ex itfeatur e
Yo uand other vehicle occupants –par ticu‐
lar lych ildr en–could becom etrapped. #
Ensur eth at no onehas abody partin
th esw eep ofthesteer ing wheel ordriv‐
er's seat. If
th er eis arisk ofbecoming trapped bythe
st eer ing wheel: #
Movetheadjus tmentle ve rof thesteer‐
ing wheel.
The adjus tmentpr ocess willbestop‐
ped.
If th er eis arisk ofbecoming trapped bythe
dr iver's seat: #
Press theseat adjus tmentswitc h.
The adjus tmentpr ocess willbestop‐
ped. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. Ve
hicl eswith memor yfuncti on:Youcan stop
th eadjus tmentpr ocess bypressing oneofthe
memor yfunction position switc hes. Seats
andstow ing 99

&
WARNIN GRisk ofbeco ming trap ped if
ch ildr enact ivat eth eeasy entryand exit
fe atur e‑
Childr encoul dbec ome trapped ifth ey act i‐
va te theeasy entry‑and exitfeatur e,par ticu‐
lar lywhen unattende 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. If
th eeasy entryand exitfeatur eis act ive, the
st eer ing wheel willmoveupw ards and thedr iv‐
er's seat willmovebac kin thefo llo wing situa‐
tion s:
R Youswit chtheignition offwit hth edr iver's
door open
R Youopen thedr iver's door withth eignition
switc hedoff
% The steer ing wheel willthen mo veupw ards
on lyifit is no talr eady ashigh asitwill go.
The driver' sseat willthen mo vebac kwards onl
yif it is no talr eady atthere ar oftheseat
adjus tmentra ng e.
The steer ing wheel andthedr iver's seat will
mo vebac kto thelas tdr ive position inthefo l‐
lo wing cases :
R Youswit chthepo we rsupp lyor theignition
on when thedr iver's door isclosed
R Youclo sethedr iver's door withth eignition
switc hedon
The lastdr ive position willbesave dwhen:
R Youswit chtheignition off.
R Vehicl eswith memor yfuncti on:Youcall
up theseat settings viathememor yfunc tion.
R Vehicl eswith memor yfuncti on:Yousa ve
th eseat settings viathememor yfunc tion.
Ve hicl eswith memor yfuncti on:Press one of
th ememor yfunc tion memor yposition switches
to stop theadjus tmentpr ocess. Se
tting theeasy entryand exitfeatur e Mul
timedi asy stem:
4 Vehicle 5
î Vehicle Setting s
5 Easy Entry/E xit #
Select Steering Wheel&Seat, Steering
Wheel OnlyorOff. Memor
yfunction Fu
nction ofthemem oryfun ction &
WARNIN GRisk ofan acci dent ifth e
memor yfunction isused whiledr iving
If yo uuse thememor yfunc tion onthedr iv‐
er's side while driving, youco uld lose contro l
of theve hicle asare sult oftheadjus tments
being made. #
Onlyuse thememor yfunc tion onthe
dr iver's side when theve hicle isstatio n‐
ar y. 10
0
Sea tsand stow ing

&
WARNIN GRisk ofentr apment when
ad jus ting theseat withth ememor yfunc ‐
tion
When thememor yfunc tion adjus tstheseat
or steer ing wheel, youand other vehicle
occupants –par ticular lych ildr en–could
becom etrapped. #
Dur ing theadjus tingprocess ofthe
memor yfunction, ensureth at no body
par tsarein thesw eep oftheseat or
th esteer ing wheel. #
Ifsomebody becomestrapped, immedi‐
at elyre lease thememor yfunc tion posi‐
tion button.
The adjus tmentpr ocess isstopped. &
WARNIN GRisk ofentr apment ifth e
memor yfunction isactiv ated bychildr en
Childr encould becom etrapped ifth ey act i‐
va te thememor yfunc tion,par ticular lywhen
unatt ended. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. Yo
ucan usethememor yfunc tion when theigni‐
tion isswitc hedoff.
Seat adjus tmentsforup tothre epeople canbe
st or ed and called upusing thememor yfunc tion.
Yo ucan save settin gsforth efo llo wing systems:
R Seat, backres tand head restra int
R Steer ing wheel
R Outside mirrors
R Hea d-up Display Oper
ating themem oryfun ction St
oring #
Setth edesir edposition forall systems. #
Brief lypress memor ybutt onV andthen
pr ess prese tposition 0037,TorU
wit hin thre esecon ds.
An acous ticsignal sounds. Thesettings are
st or ed. Seats
andstow ing 10
1

#
Tocall up:pr ess and hold prese tposit ion
butt on0037, TorU untilall thesy s‐
te ms arein thestor ed position.
% When youre lease thepr ese tposition button,
st eer ing wheel, theseat andmirrorse tting
functions stop immediat ely. The Head-up
Displa ycont inues tobe adjus ted. St
ow agear eas No
teson loading theve hicl e &
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. #
Alw aysswitc hof fth eengine before
opening thetrunk lid. #
Neverdr ive wit hth etrunk lidopen. &
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 ove ror be throw nar ou nd and ther eb yhit
ve hicle occupants.
Ther eis arisk ofinjur y,par ticular lyin the
ev ent ofsudden braking orasudden chang e
in dir ect ion. #
Alw aysst ow object sin suc hawa yth at
th ey canno tbe thro wn around . #
Beforeth ejour ney,secur eobjects, lug‐
ga ge orloads agains tslipping ortipping
ove r. &
WARNIN GRisk ofinju rydue toobject s
being stowe dincor rectl y
If obje ctsintheve hicle interior arestowe d
inc orrectly ,th ey can slide orbe throw n
ar oun dand hitvehicle occupants. Inaddi‐
tion, cupholder s,open stor ag espaces and
mobile phonebrac kets cann otalw aysre tain
all obje ctsth ey cont ain. The
reisarisk ofinjur y,par ticular lyin the
ev ent ofsudden braking orasudden chang e
in dir ect ion. #
Alw aysst ow object sin suc hawa yth at
th ey canno tbe thro wn around insuc h
sit uation s. #
Alw aysmak esur eth at obj ect sdo not
pr otru de from stor ag espaces, parcel
ne ts or stor ag ene ts. #
Close theloc kable stor ag espaces
bef orest ar tin gajo ur ne y. #
Alw aysst ow and securehea vy,har d,
poin ted, shar p-edg ed,fragile orbulky
objec tsinthetrunk . Ve
hicl eswith automatic front passen gerair‐
bag shutoff:Ob jects trap pe dund erthefront
passeng erseat mayint erfere wit hth efunc tion
of theaut omatic front passeng erairbag shutoff
or damag eth esy stem. Please observetheno tes
on thefunc tion oftheaut omatic front passeng er
airbag shutoff(/ page44 ). 10
2
Sea tsand stow ing