engine MERCEDES-BENZ C CLASS 2021 User Guide

#
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

#
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

Ext
erior light ing Inf
orma tion abou tlight ingsystems andyour
re sponsibility The
various lighting systems oftheve hicle are
onl yaids. Thedriver oftheve hicle isresponsible
fo rcor rect vehicle illumination inaccor dance
wit hth epr eva iling light andvisibilit ycon dition s,
leg alrequ iremen tsand traf fic situ ation. Li
ght switch Ope
ratin glight switches 0047
0063 Left-ha ndstandi nglam ps
0048 0064 Right-hand standi nglam ps
0049 0060 Parking lam psand licen seplat elam p
004A 0058 Automatic driving lights(pr efer redlight
switc hposition ) 004B
0058 Lowbeam/high beam
6 005E Switchesthere ar foglam pon oroff
When low beam isactiv ated, the0060 indicat or
lam pfo rth epar king lampswill bedeactiv ated
and replaced bythe0058 low- beam indicat or
lam p. #
Alw ayspar kyo ur vehicle safely using suffi‐
cie ntlighti ng,inacco rdanc ewit hth ere le‐
va nt lega lst ipulation s.
* NO
TEBatt erydi sc ha rging byoper ating
th est andi nglight s Oper
atingth est andi nglight sove ra per iod of
hour sputs ast ra in on thebatt ery. #
Wher epossible, switchon the
ri ght 0064 orleft0063 parking light. If
th ebatt eryis insuf ficie ntlych arge d, thest and‐
ing lam psorpar kinglam pswill beswit ched off
aut omaticall yto facil itat eth ene xt engine star t. 11
4
Light andvisib ility

#
Foldthewiper arms backont oth ewind‐
shield. #
Switc hon theignition . #
Press the00D4 buttononthecombin ation
switc h(/ page12 0).
Th ewip erarms willre tur nto theor iginal
position . #
Switc hth eignition off. Maint
enance display #
Remo veprotect ive film 1 from themaint e‐
nanc edispla yon thetip ofthene wlyins tal‐
led wiper blades.
When thecolor ofthemaint enanc edispla y
ch ang esfrom blac kto yello w, thewiper blades
should bereplaced. %
The duration untilthecolor chang esvaries
depending ontheusag econ ditions . Mir
rors Oper
ating theout side mirrors &
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 ,
st eer ing wheel andmirror,and fasten
yo ur seat belt. 12
2
Light andvisib ility

The
electr olyteis hazar dous tohealt hand
causes irrita tio n.Itmu stnotcome intocon‐
ta ct with your skin, eye s,respir ator yor ga ns
or clo thing orbe swallo wed. #
Ifyo uco me intoco ntact withelec tro‐
ly te ,obser vethefo llo wing:
R Imm ediat elyrinse theelectr olyte
fr om your skin wit hwa terand seek
medica latt ention.
R Ifelectr olyt ecomes intocont act
wit hyo ur eyes, immediat elyrinse
th em thor oughly withclean water
and seek medicalattent ion.
R Ifth eelectr olyt eis sw allo wed,
immediat elyrinse your mout hout
th or oughl y.Do notind uce vomiting.
Seek medica latt ention immedi ately .
R Immedia tely ch ang eout ofclo thing
whic hhas been contaminat edwith
electr olyt e.
R Ifan allergic react ion occurs, seek
medi calattent ion imm ediat ely. The
inside rear vie wmir rorand theoutside mir‐
ro ron thedr iver's side willautomaticall ygo into
anti- glar emode iflight from aheadlam phit sth e
sensor ontheinside rear vie wmir ror.
Sy stem limit s
The system will notgo intoanti- glar emode if:
R The engineisswit ched off.
R Reversege ar iseng aged.
R The interior light ingisswit ched on. Fr
ont- passeng erout side mirrorpar kingpos i‐
tio nfun ction The
parking posit ionmak espar kingeasier .
The front -pass engerouts idemirrorwil lswi vel
do wn wardsin thedir ect ion ofthere ar wheel on
th efront passeng er'sside when:
R The parking position isstor ed (/ page12 5).
R Thefron t-pa ssenger mirror isselect ed.
R Reversege ar iseng aged. The
fron t-passe nger out side mirrorwil lmo ve
bac kto its original positionwhen:
R Youshif tth etra nsmiss iontoano ther trans‐
mission position.
R Youar etra veling ataspeed grea terth an
9 mp h(1 5 km/h).
R Youpr ess thebutt onforth eoutside mirror
on thedr iver's side. 12
4
Light andvisib ility

Ov
ervie wof climat econtr olsystems No
teson climat econtr ol An
interior airfilt er incom binat ionwithth epr e‐
fi lt er intheengine compartmen tmus talw aysbe
used sothat theair con ditionin gsy stem, pollu‐
tion leve lmon itor ing and theair filtration work
cor rectl y.Mak esur eth at thefilt er isins talled
cor rectl yand thefilt er housin gin theengine
com partmen tis closed correctl yus ing thecap
and alwaystightl ysealed wheninoper ation. Use
fi lt er sre comme ndedandapprove dby
Mer cedes-Ben z.Alw aysha ve ser vice workcar‐
ri ed out ataqu alif ied spec ialistwo rkshop. Ov
ervie wof theair condit ioning control
pa nel The
indic ator lam pson thebutt ons indicat eth at
th ecor responding functionisactiv ated. Contr
olpanel fordua l-zone automatic cli‐
mat econtr olwit h/wit houtstatio naryheat er
(e xa mp le)
1 0082 Setsthete mp eratur eon thedr iver's
side
2 008F Setstheair distribution
3 H Setstheair flow orswitc hesoffclimat e
cont rol 4
0058 Setsclimat econtr olto aut omat ic
(/ page12 8)
5 0064 Defrosts thewindshield
6 Vehicles withcont rolpanel fordua l-zone
au tomatic climatecontr olwithout statio nary
heat er:A callsupair con dition ing men u
Ve hicles withcont rolpanel fordua l-zone
au tomatic climatecontr ol(with statio nary
heat er)or3-zo ne aut omat icclim atecon trol
(wit h/w ithout statio naryheat er):Å calls
up air con dition ing men u,swit ches residua l
heat on/of f(/ page12 9)
7 006C Switches there ar wind owheat er
on/of f
8 Vehicles withcont rolpanel fordua l-zone
au tomatic climatecontr olforwit hout sta‐
tio nar yheat er:0 switches sync hroniz a‐
tion on/off(/ page12 8)
Ve hicles withcont rolpanel for3-zone auto‐
matic climatecontr olwithout statio nary
heat er:005A switches theA/C function
on/ off(/ page12 7)
Ve hicles withast atio naryheat er:003B
swit ches thest atio naryheat eron/of f 12
6
Climat eco ntro l

ting
willau tomatical lybe adop tedfo rall clima te
zone s. #
Activate0073 ordeacti vate 0053 thefunc tion. Re
mo ving conde nsatio nfrom the windo ws Wi
ndo wsfogg ed up ontheinsid e #
Press the0058 button. #
Ifth ewindo wscontinu eto fogup: press the
0064 button.
Wi ndo wsfogg ed up ontheout side #
Swit chon thewindshield wipers. #
Press the 0058 button. Switc
hingair-recir culation modeon/off #
Press the0072 button.
The interior airwill berecir cul ated.
Air -reci rculati onmod eaut omat icallyswit ches to
fr esh airmode afte rsome time. %
Ifair -recir cula tion mode isswi tched on,the
windo wsmayfo gup mor equ ickl y. Swi tchon
ai r-re cir cul ation mod eonly briefly. Switc
hingthere sidual heatonoroff Re
quirement s:
R The vehicle ispar ked.
It is possible tomak euse ofthere sidua lheat
fr om theengine tocontinu ehea ting orventil at‐
ing thefront com partmen tof theve hicle for
appr oximat ely30 min utes. #
Toswitc hon: press the! button.
Re sidua lheat isswitc hedoffaut omaticall y. Air
vents Ad
jus tingthe fron tair vents &
WARNIN GRisk ofburnsand fros tbit e
due tobeing tooclose totheair vents
Ve ry hotor very cold aircan flow from theair
ve nts. #
Makesur eth at all vehicle occupants
alw aysmaint ainasuf ficie ntdist anc e
fr om theair vents. #
Ifnece ssary,dir ect theair flow to
ano ther area oftheve hicle interior . To
guar anteetheflow offresh airthro ugh theair
ve nts intoth eve hicle interior ,com plywit hth e
fo llo wing:
R Alw ayske ep theve nts and vent grille sin the
ve hicle interior free.
R Keep theair inle tfr ee ofresidue build-up
(/ page30 7). Clima
tecontr ol12
9

#
Toswitc hon thepo we rsupp ly:pr ess but‐
to n1 once .
Yo ucan activat eth ewindshield wipers,for
ex am ple.
The powe rsupp lyis switc hedoffag ain ifth efo l‐
lo wing condition sar eme t:
R Youopen thedr iver's door .
R Youpr ess button1 twice mor e. #
Toswitc hon theignit ion:press butt on1
twic e.
The indic ator lam psintheins trument cluster
light up.
The ignit ionisswitc hedoffag ain ifone ofthe
fo llo wing condition sis me t:
R Youdo notst ar tth eve hicle within
15 minut esand thetransmission isin posi‐
tion 005Dortheelectr icpar king brak eis
applied.
R Youpr ess button1 once . St
arting theve hicl e St
arting theve hicl ewith thest ar t/s topbut‐
to n &
DANG ER Risk ofdeat hcause dby
ex haus tga ses
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealt h
and leads topoisonin g. #
Neverlea vetheengine or,if pr esent ,
th eauxiliar yheating running inan
encl osedspa cewithout sufficie ntventi‐
la tio n. &
WARNIN GRisk offire due toflammab le
mat erial intheengine compartmen tor
th eex haus tsy stem
Flammable materials mayignit e. #
Ther efor e, checkre gular lythat ther e
ar eno flammab lemat erials inthe
engine compartmen tor on theex haus t
sy stem. Re
quirement s:
R The Smar tKey isin theve hicle andisrecog‐
nized . #
Shif tth etra nsmiss iontoposition 005Dor005C. #
Depr essthebr ak epedal andpress butt on
1 onc e. #
Ifth eve hicle does notst ar t:switc hof fnon-
essential consumer sand press butt on1
once. 13
2
Driving and parking

#
Ifth eve hicle still does notst ar tand thedis‐
pla ymessag ePlace theKey inthe Marked
Space SeeOperator 'sManual alsoappear s
in themultifunc tiondispla y:star tth eve hicle
wit hth eSmar tKey inthemar kedspace
(emer gency operati on mod e)(/ page 133).
% Youcan switchoffth eengine whiledriving.
By pressing button1 forabo utthre esec‐
onds orby pressing button1 thre etimes
wit hin thre esecon ds.Besureto obser vethe
saf etyno tesunder "Driving tips"
(/ page13 6).
St arting theve hicl ewith theSm artK ey inthe
ma rked spa ce(emer gency oper ation mode)
If th eve hicle does notst ar tand thePlace the
Key inthe Marked SpaceSeeOperator 'sManual
messag eappear sin themultifunc tiondispla y,
yo ucan star tth eve hicle inemer gency operati on
mod e. #
Makesur eth at mar kedspace 2isem pty. #
Remo veSmar tKey 1 from theke yring. #
Place Sma rtKe y1 inmar kedspace 2on
symbol 3.
The vehicle willstar taf te ra shor ttime.
If yo ure mo veSmar tKey 1 from mar ked
space 2theengine continues running .Fo r
fur ther engine star ts howe ver,Smar tKey 1 mus
tbe locat edinmar kedspace 2onsym‐
bol 3during theent ire jour ney. #
Have Smar tKey 1 checkedat aqu alif ied
spec ialistwo rkshop.
If th eve hicl edoes notst ar t: #
Place SmartKey 1 inmar kedspace 2and
lea veitth er e. #
Depr essthebr ak epedal andstar tth eve hi‐
cle using thest ar t/ stop butt on.
% Youcan also switchon thepo we rsupp lyor
th eignition withth est ar t/ stop butt on. St
arting theve hicl evia Remo teOnline serv‐
ices Cooling
orheating theve hicl eint erior before
co mmenci ngyour jour ney
Ensur eth efo llo wing beforest ar tin gth eengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin est ar tin gvia
smar tphon e.
R Itis saf eto star tand runth eengine where
yo ur vehicle ispar ked. Dr
iving andparking13
3

R
The fuel tank issu fficien tly full.
R The star terbatt eryis suf ficie ntly charge d.
Char ging thest ar terbatt erybe fore star ting
th ejou rney
If th eve hicle batteryis disc harged, youcan
re cei veames sageon your smar tphon e.Youcan
th en star tth eve hicle withth esmar tphon eto
ch arge thebatt ery. The vehicle isaut omatically
switc hedoffaf te rte nminu tes.
Ensur eth efo llo wing beforest ar tin gth eengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin est ar tin gvia
smar tphon e.
R Itis saf eto star tand runth eengine where
yo ur vehicle ispar ked.
R The fuel tank issu fficien tly full. St
arting theve hicl e(R emo teOnline) &
WARNIN GRisk ofcrus hing orentr ap‐
ment dueto unin tentio nalstar tin gof the
engine
Limbs couldbecrushed ortrapped ifth e
engine isstar tedunint entionall ydur ing
ser vice ormaint enanc ewo rk. #
Alw ayssecur eth eengine agains tunin‐
te ntio nalstar tin gbef orecar rying out
maint enanceorrepair work. Re
quirement s:
R Park position 005Disselect ed.
R The anti- theftalar msystem isno tactiv ated.
R The panic alarmisno tactiv ated.
R The hazar dwa rning light system isswitc hed
of f.
R The hood isclosed.
R The door sar eclosed andlocked.
R The windo wsand slidin gsun roof areclosed. #
Startth eve hicle using thesmar tphon e.
Af tereve ryengine star t,th eengine runs for
te nminu tes.
Yo ucan carryout amaximum oftwoconsec u‐
tiv est ar tin gatt em pts. Yo umus tst ar tth eve hicle
once withth eSmar tKey bef oretrying tostar t
th eengine again withth esmar tphon e.Youcan
st op theve hicle again atanytime.
% Further information canbefound inthe
smar tphone app.
Secur ingtheengine agains tst ar ting before
car rying out maintenance orrepair work: #
Swi tchon thehazar dwa rning light system.
or #
Unloc kth edoor s.
or #
Open aside windo wor thesliding sunroof. 13
4
Driving and parking