key MERCEDES-BENZ C CLASS 2021 Owner's Guide

#
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

&
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunsuper visedintheve hi‐
cle, they cou ld,in pa rticular :
R open doors,ther eb yendang ering other
per sons orroad user s.
R getou tand bestru ck byoncom ingtraf‐
fi c.
R ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R releasing thepar king brak e.
R chang ingthetra nsmiss ionposition .
R star tin gth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Keep theve hicle SmartKey out ofreac h
of childr en. Use
theDIRE CTSELECT leve rto switc hth e
tr ans missi on positio n.Thecur rent trans mis sion
po sitio nis displ ayed inthemultifunc tiondispla y. 005D
Park position
005E Reversege ar 005C
Neut ral
005B Drive po sitio n
En gaging reve rsege ar R #
Depr essthebr ak epedal andpush the
DIR ECT SELEC Tleve rupw ards pas tth efirs t
point ofresis tance.
En gaging neutr alN #
Depr essthebr ak epedal andpush the
DIR ECT SELEC Tleve rup ordown tothefirs t
point ofresis tance.
% Toshif tint oneutr al005C withth eignition on,
push theselect orleve rup ordown forse v‐
er al seconds tothefirs tpo int ofresis tance.
Sub sequently releasing thebr ak epedal will
allo wyo uto mo vetheve hicle freel y,e.g. topush
it or tow itaw ay.
Pr ocee das follo ws ifyo uwa nttheaut oma tic
tr ansm ission toremain inne utr al005C 005C,
evenif
th eignit ionisswitc hedoffor thedr iver' s
door isopened : #
Dep ress thebr ak epedal andengageneutral
005C when theve hicle isat ast ands till. 14
4
Driving and parking

#
Release thebr ak epedal. #
Switc hth eignition off.
% Ifyo uth en exitth eve hicle leaving the
Smar tKey intheve hicle, theaut omatic trans‐
mission remains inneutr al005C.
Eng aging parkpositio nP #
Obser vetheno teson par king theve hicle
(/ page15 0). #
Dep ress thebr ak epedal untiltheve hicle
comes toast ands till. #
When theve hicle isat ast ands till,pr ess but‐
to n005D.
Whe nth etransmission positiondisplay
sho ws005D,th epar kposition iseng aged. Ifno
tra nsmiss ionposition display005D appear s,
secur eth eve hicle topreve ntitfrom rolling
aw ay.
% Dep endingonthesituation ,it ma yta ke a
shor ttime until005Diseng aged. Ther efor e,
alw ayspa yatt ention tothetra nsmiss ion
position display. Pa
rk position 005Diseng aged aut omatic allyif one
of thefo llo wing condition sis me t:
R Youswit choffth eignition whentheve hicle
is statio naryand thetransmission positionis
005B or005E.
R Youopen thedr iver's door when theve hicle
is at ast ands tillor when drivin gat ave ry low
speed andthetransmission positionis005B or
005E.
% Tomaneu verwit han open driver's door ,
open thedr iver's door while atast ands till
and engagetrans miss ionposit ion005Bor005E
ag ain.
Eng agin gdr ive posi tion D #
Depress thebr ak epedal andpush the
DIR ECT SELEC Tleve rdo wn pas tth efirs t
point ofresis tance.
Whe nth eaut omatic transmiss ionisin transmis‐
sion position 005B,itshif tsthege arsaut omat i‐
call y.This depends, amongother things ,on the
fo llo wing fact or s:
R The select eddrive pr ogr am
R The position oftheaccelera torpeda l R
The driving speed Pr
obl ems with thetransm ission Th
etransm ission hasafa ulty gear shif t
Po ssible cause:
R The transmission islosing oil. #
Have thetra nsmiss ioncheckedat aqu alif ied
spec ialistwo rkshop immediat ely.
The accel eration charact eristics getwo rse,
and thetransm ission nolong ershif ts.
Po ssible cause:
R The transmission isin emer gency operati on
mod e:itis only possi ble to shif tto one gear
and reve rsege ar. #
Pull overand stop theve hicle safely assoon
as possible, paying attention toroad and traf‐
fi c condi tions. #
Shif tth etra nsmiss iontoposition 005D. #
Switc hof fth eengine. #
Waitat leas tte nseco nds. Dr
iving and parking 14
5

R
getou tand bestru ck byoncom ingtraf‐
fi c.
R ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R releasing thepar king brak e.
R chang ingthetra nsmiss ionposition .
R star tin gth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Keep theve hicle SmartKey out ofreac h
of childr en. *
NO
TEDama getotheve hicle duetoit
ro lling away #
Alw ayssecur eth eve hicle agains tro ll‐
ing away. *
NO
TEDama gedue totheve hicle lowe r‐
ing Ve
hicl eswith AIRMA TICorleve lcontr ol:
The vehicle canlowe rbecau seoftemp era‐
tur edif fere nces orlong er non-op erati ona l
time s.Thi scan causedama getopar tsof the
body . #
When stopping theve hicle andwhen
dr iving off,mak esur eth at ther ear eno
obs tacle ssu ch ascur bsunde ror inthe
immed iatevicin ityofthebody . #
Bring theve hicle toast ands tillby pressing
th ebr ak epedal. #
Ongradients, turnth efront wheels sothat
th eve hicle willrollto wa rdsth ecurb ifit
st ar ts mo ving. #
App lytheelectr icpar king brak e. Dr
iving andparking 15
1

#
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Keep theve hicle SmartKey out ofreac h
of childr en. The
elect ric pa rking brak eis applied ifth etra ns‐
mission isin position 005Dand one ofthefo llo w‐
ing con dition sis fulf illed:
R The engin eis switc hedoff.
R The seat belttongu eis no tins ertedin the
seat beltbuckleofthedr iver's seat andthe
dr iver's door isopened.
% Toprev ent application: pullthehandle ofthe
electr icpar king brak e(/ page15 6).
In thefo llo wing situat ions,th eelectr icpar king
br ak eis also applied:
R ActiveDis tance AssistDIS TRONI Cis bring ing
th eve hicle toast ands till.
R The HOL Dfun ction iske eping theve hicle sta‐
tio nar y. R
ActivePa rking Assistis ke eping theve hicle
st atio nary.
This isthecase ifone ofthefo llo wing condition s
is also fulfilled:
R The engin eis switc hedoff.
R The seat belttongu eis no tins ertedin the
seat beltbuckleofthedr iver's seat andthe
dr iver's door isopened.
R Ther eis asy stem malfunct ion.
R The powe rsupp lyis insuf ficie nt.
R The vehicle isstatio naryfo ra lengt hyper iod.
When theelectr icpar king brak eis applied, the
re d0049 (USA)or0024 (Canada) indicatorlam p
lights upintheins trument cluster.
The electr icpar king brak eis no taut omaticall y
applied ifth eengine isswitc hedoffby theEC O
st ar t/ stop funct ion. Electr
icpar king brak efunction (releasing
aut omat ically)
The electr icpar king brak eis released whenthe
fo llo wing condition sar efulf illed:
R The driver's door isclos ed.
R The engin eis running .
R The trans mis sion isin po sitio n005B or005E and
yo udepr esstheaccelera torpeda lor you
shif tfr om transmission position005Dto005B or
005E when onleve lgr ou nd withth edr iver's
door closed.
R Ifth etransmission isin position 005E,the
tr unk lid mu stbe closed.
R The seat belttongu eis ins ertedint oth eseat
belt buckleofthedr iver's seat.
If th eseat belttongu eis no tins ertedint oth e
seat beltbuckleofthedr iver's seat, oneof
th efo llo wing condition smus tbe fulf illed:
- Youshif tfr om transm issionposi tion005D.
- Youha ve prev iousl ydr iven atspeeds
gr eat erthan 2mp h(3 km/h). Dr
iving andparking 15
5

Ac
tiv atin g/deac tivatin gBlue tooth®
Re quirement s:
R Deac tivateBlue tooth®
:Appl eCa rPlay®
is no t
act ive.
Multim ediasystem:
4 System 5
ö Connec tivity #
Activate0073 ordeacti vate 0053 Bluetoo th®
.
If Andr oidAutoisact ive, apr om ptappear sask ‐
ing whe ther Blue tooth®
should bedeactiv ated. #
Select Yes.
Andr oidAutoisclos edand Blue tooth®
is
deact ivat ed. Wi
-Fi Wi
-Fico nne ctio nove rview
Yo ucan useWi-Fi toestablish acon nection with
a Wi -Fi networkand toacc ess theInt erne tor
ot her networkde vices.
The follo wing connection option sar eav ailable:
R Wi-Fi conne ction The
Wi-Fi conne ctionto aWi -Fi-ca pable
de vice ,e.g .th ecus tomer's mobilephone or
a ta ble tPC ises tablished.
R Multimedia system asaWi -Fi hotspo t
Usi ngthis func tion,a ta ble tPC ornotebook
can becon nected, forex am ple.
To establish acon nection ,yo ucan usethefo l‐
lo wing methods:
R WPS PIN
The conn ection toasec ureWi -Fi networkis
mad evia aPIN .
R WPS PBC
The conne ctionto asec ureWi -Fi networkis
mad eby pressing abutt on(push button).
R Secur itykey
The conn ection toasec ureWi -Fi networkis
mad evia asecu rity key. Se
tting upWi-Fi
Re quirement s:
R The device tobe con nectedsuppor tsone of
th eth re emeans ofcon nect iondescr ibed
(/ page22 4).
Multimedia system:
4 System 5
ö Connec tivity
Ac tiv atin g/deac tivatin gWi -Fi #
Switc hWi-Fi on0073 oroff0053.
If Wi-Fi isdea ctivated 0053, communi cationvia
Wi -Fi toall devic es isint erru pte d.This also
means that acon nectionto theHERME S
comm unication modulecannotbe estab‐
lished. Thenfunctionssuc has dynamic route
guidan cewithLiv eTr af fic Inf ormati onareno t
av ailable.
Connect ingthemu ltim edia system witha
de vice viaWi-Fi
Thi sfunction isno tav ailable ifaHE RME Scom ‐
mun ication modul eis ins talled. 22
4
Multim ediasystem

The
type ofconn ection established mustbe
select edon themultimedia system and onthe
de vice tobe con nected.
% The connection procedur ema ydif fer
dependin gon thede vice. Followtheins truc‐
tion sth at aresho wninthedispla y.Fu rther
inf ormation (seethemanuf acturer'soper at‐
ing instruction s). #
Select Internet Setting s. #
Select Search forWi-Fi Network s.
Using asecur itykey #
Select aWi -Fi networkin thelis t. #
Have thesecur itykeydisp laye don thede vice
to be con nected(see themanuf acturer's
oper ating instruction s). #
Enterth is secur itykeyon themultimedia sys‐
te m. #
Conf irm theent rywit h¡.
% Alldevic es suppor ta sec urity keyas a
mean sof conn ection . Usin
gaWPS PIN #
Highlig htaWi -Fi networkin thelis t. #
Select ¥Connec tvia WPS PINInput.
The multimedia system gener ates an eight-
di gitPIN . #
Enterthis PIN onthede vice tobe con nected. #
Conf irm theent ry.
Using abutt on
% This function isonl yav ailable inaWi -Fi fre‐
qu ency of2.4 GHz. #
Highlight aWi -Fi networkin thelis t. #
Select ¥Connec tvia WPS PBC. #
Select "Connec tvia WPS PBC" intheop tion s
on thede vice tobe con nected. #
Press theWPS buttononthede vice tobe
con nected. #
Select Continueinthemultimedia system.
De vice hasalready been connect ed: #
Toaut omatic allyco nne ct:high light aWi -Fi
ne tworkin thelis t. #
Activate¥ Connect Automatica lly0073 . #
Toconnect :high light aWi -Fi networkin the
lis t. #
Selec t¥ Connect.
The connection ises tablished again. These
func tionsar epossible whenthede vice has
alr eady been connect edtotheWi -Fi network. Sy
stem langu age No
teson thesy stem langu age
This function allowsyouto determ ine thelan‐
guag efo rth emenu displaysand thena vig ation
announ cements.The select edlanguag eaf fects
th ech aract ersav ailable forentr y.The navig ation
announc ementsar eno tav ailable inall lan‐
guag es.Ifalang uageis no tav ailable, thena vig a‐
tion announ cementswill beinEn glish.
Se tting thesy stem langu age
Multi media system:
4 System 5
Language #
Setth elanguag e. Multimedia
system 225

#
Select Recepti onVol ume orTra nsmi ssion
Vol ume. #
Setth evo lume.
Fu rther information onthere comme ndedrecep‐
tion andtransm ission volume: https:/ /
www .mercedes-ben z-mobile.co m/
Ad jus tingthe calland ringt one volum e
Multime diasystem:
4 System 5
õ Audio 5
Phone #
Select CallVolume orRington eVolume. #
Setth evo lume.
St arting orsto pping mobilephon evo ice rec‐
ognit ion
Re quirement s:
R The mobile phoneis con nectedto themulti‐
media system (/ page258).
St arting mobi lephone voice recognit ion #
Press and hold the00E3 buttononthemulti‐
func tion steer ing wheel formor eth an one
sec ond.
Yo ucan usemob ilephon evo ice recogni tion. St
opp ingmobil eph one voice recognit ion #
Press the0063 or0076 buttononthemulti‐
func tion steer ing wheel. Calls
Using
thete lephone
Multime diasystem:
4 Phone 5
ª Contac ts
Making acall #
Select Numerical Keypad. #
Enterth enumber . #
Select 0097.
The callismade.
Ac cep tingacall #
Select Accep t.
Re jec tingaca ll #
Select Reject .
En din gaca ll #
Select 005A. Ac
tiv atin gfunc tions dur ingacal l #
Tosho wall functions, navig atedo wn.
The follo wing functionsar eav ailable during a
call:
R EndCall
R Mak eAdd ition alCall
R Keybo ard(sho wto send DTMF tones)
R Swi tchMu teMicon 0073 oroff0053.
R Private Mode(a nacti vecal lin ha nds-fr ee
mod eis transf erredove rto thete lephon e)
Conduct ingcalls withse ve ralpar ticip ants
Re quirement s:
R Ther eis an act ive call (/ page262).
R Another call isbeing made.
Switc hingbetw een calls #
Select call003B.
The select edcall isactiv e.The other call is
on hold.
Ac tiv atin gor endin gacal lon hol d #
Select Continu eCa llor End Call. 26
2
Mu ltimed iasystem

Media
search St
arting themed iasear ch
Multimedia system:
4 Media 5
ª Search
Depen dingonthecon nect edmedia sourcesand
fi les, thefo llo wing categor iesarelis ted:
R Current TrackList
R Keyword Search
R Playlists
R Artists
R Albums
R Track s
R Folders
R Music Genres
R Year
R Composers
R Podcast s(Apple ®
de vices)
R Audiobook s(Apple ®
de vices) #
Select acat egor y. %
The categor iesareav ailable assoon asthe
ent ire media content hasbe en read inand
anal yzed . Med
iaInt erface Inf
orma tion abou tth eMed iaInt erface
Media Inte rface isauniv ersal interface forth e
connecti onofmob ile au dio equipm ent.Themul‐
time diasy stem has twoUSB ports.The USB
por tsarelocat edinthestow agecom partment
unde rth ear mr est.
Supp ortedde vic es
The Med iaInt erface allo ws youto connect the
fo llo wing datast or ag emedia:
R iPod ®
R iPhone ®
R MP3 player
R USB devices
Fo rde tails and alis tof suppor tedde vices, visit
our websit eat htt ps:/ /www .mercedes-
benz .com/c onnect.Fo llowtheins truction sin
th e"Media Interface" secti on. Sw
itchin gto Media Interface
Mult imed iasystem:
4 Media 5
à Media Sources #
Connec ta dat ast or ag emedium totheUSB
por t(/ page285). #
Select amedia device.
Pla yable music files arepla yedbac k. 286
Multimedia system