tow MERCEDES-BENZ C-CLASS SEDAN 2020 Repair Manual

The
multimedia connection unitisfound inthe
st ow agecom partment unde rth ear mr estand
has twoUSB ports.
Depen dingontheve hicle's equipment, addi‐
tional USBportscan befound inthestow age
com partment ofthecent ercon sole andinthe
re ar passe nger com partment . #
Con nectth eUSB device totheUSB port.
Pla yable music files arepla yedbac konl yif
th ecor responding mediadisplayis activ ated.
% Use theUSB portidentif iedbyç touse
Ap ple CarPla y™and Android Auto.
% Dep endingontheve hicle equipment ther eis
an additional USBportin there ar passe nger
com partment .Po rts th at arelabeled witha
bat tery symbol canonly beused tocharge
USB devices.
Selec tingatrac kin themed iapla yba ck
Multimedia system:
4 Media
Selecting atrac kby skipping toatrac k #
Toskip backwards orforw ards toa
tr ac k: navig ateup ordown. Sel
ecting atrac kusin gth ecur rent trac klis t #
Select 00D3. #
Select Current TrackList. #
Select atra ck.
Selec tingplaybac kop tions
Multimedia system:
4 Media 5
Z Option s
Pla ying backsimilar trac ks #
Select Play Simi larTra cks.
A trac klist wit hsimilar trac ks iscreat edand
pla yedbac k.
Pla ybac kmode #
Select Random Mode-Current Playlist.
The current trac klist ispla yedin rando m
or de r. #
Select Random Mode-Cu rrent Medium.
All trac ks on theactiv edat ast or ag emedium
ar epla yedin rando morde r. #
Select Norm alTra ckSequ ence.
The current trac klist ispla yedin theor der it
appear son thedat ast or ag emedium. Contr
olling media playbac k
Multimedia system:
4 Media 5
Y Playback Control
A bar withpla ybac kcon trols issho wn. #
Topause playbac k:sel ect and conf irm
Y with thecent ralcon trol elemen t.
The 00CF symbol isdispla yed. #
Toresume playbac k:select andconf irm
Y again withth ecent ralcon trol elemen t.
The 00D0 symbol isdispla yed.
To fast forw ard/r ewind #
Move00CF onthetimelin e.
To hide theplaybac kco ntr ols #
Press the0038 button. Vi
deo mode Sw
itchin gto video mode
Multimedia system:
4 Media 5
à Media Sources #
Select adat ast or ag emedium. Multimedia
system 33
7

#
Todeac tivatefull -screen mod e:press the
to uc hpad.
Cha nging videosettings
Mult imed iasystem:
4 Media 5
Z Option s
5 Picture Format
The follo wing picturefo rm ats areav ailable:
R Automat ic
R 16:9
R 4:3
R Zoom #
Select apict urefo rm at.
Ad jus tingthe brightne ssmanu ally
If th eAutom aticpictur efo rm atisswit ched off,
yo ucan adjustth ebr ightn essyourself . #
Select Bright ness. #
Adjus tth ebr ightn ess. 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 Videos
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 p:// www .mercedes-
benz .com/c onnect.Fo llowtheins truction sin
th e"Media Interface" secti on. 34
0
Multimedia system

Emer
gency Re
mo ving the safetyve st The
safetyve stsar elocat edinthesaf etyve st
com partments inthedr iver's andfront
passeng erdoor stow agecom partment s. #
Toremo ve:pu llou tsa fety vest bag 1by
loop 2. #
Open safetyve st bag 1and pulloutthe
saf etyve st.
% Ther ear ealso safetyve st com partments in
th ere ar door stow agecom partment sin
whic hsaf etyve stscan bestor ed. 1
Maximum numberofwa shes
2 Maximum wash temp eratur e
3 Donotbleac h
4 Donotiron
5 Donottumble dry
6 Donotdr yclean
7 Class 2saf etyve st The
requ iremen tsdef ined bytheleg alstandar d
ar eon lyfulfille d ifth esaf etyve st isthecor rect
size andisful lyclos ed.
The safetyve st mus tbe replaced inthefo llo wing
situat ions:
R there flect ive st rips aredamag edordir ty
R themaximum permissible numberofwa shes
is exc eeded
R thefluor esc ence has faded 37
2
Brea kdo wnassista nce

Wa
rning triang le Re
mo ving the warning triang le #
Push both sides ofwa rning triang leholder
1 inthedir ect ion ofthear row and open it. #
Remo vewarning triang le2. Se
tting upthewa rning triang le #
Foldside reflect ors1 upw ards toform atri‐
ang leand attachat theto pusing upper
pr ess-s tud2. #
Foldlegs 3down and outtotheside. Fi
rs t-aid kit(sof t-si ded) overview Fir
st-ai dkit (softsided) 1isin thetrunk inthe
lef t-hand stow agene t. Br
eak down assis tance 37
3

#
Stow thetir esealant bottle and thetir einf la‐
tion compressor . #
Pull away imm ediat ely. #
Stop driving afte rapp roxima tely tenminu tes
and checkth etir epr essur eusing thetir e
inf lation compressor .
The tirepr essur emus tno wbe atleas t
13 0kP a(1 .3 bar/1 9psi) . &
WARNIN GRisk ofacci dent dueto the
specif iedtirepr essur eno tbeing reac hed
If th especif iedtirepr essur eis no tre ac hed
af te ra br ief drive, thetir eis toobadly dam‐
ag ed. The tiresealant cannotrepair thetir e
in this ins tan ce.
Dama gedtir es and tirepr essur eth at istoo
lo w can significan tly im pair thebr aking prop‐
er ties and thehandling charact eristic s. #
Donotcon tinue drivin g. #
Con sult aqu alif ied spec ialistwo rkshop. In
cases suchas theone ment ioned above,con ‐
ta ct an author ized Mercedes-B enzCent er.Or call
1-80 0-FOR-ME RCedes (intheUS A)or
1-8 00-387-0 100(in Canada). #
Cor rect thetir epr essur eif it is still at leas t
13 0kP a(1 .3 bar/1 9psi) .See theTire and
Loadi ngInfo rm atio nplacar don thedr iver's
side B‑pillar orthetir epr essur eta ble inthe
fuel filler flap forva lues. #
Toincr ease thetir epr essur e:swit chon
th etir einf lation compressor . #
Toreduce thetirepr es sur e:press press ure
re lease button1 next to pressur ega ug e
2. #
When thetir epr essur eis cor rect, unscr ew
th efilling hose from theva lve of thesealed
tir e. #
Screw theva lve cap ontoth eva lve of the
sealed tire. #
Pull thetir esealant bottle out ofthetir e
inf lation compressor .Pr ess theloc king tabs
on theye llo wcap toget her todo this.
The filling hose stay son thetir esealant bot‐
tle. #
Drive to thenear estqu alif ied spec ialistwo rk‐
shop andhave thetir e, tiresealant bottle
and filling hose replaced ther e. Br
eakdo wnassis tance 37
9

te
ry.Begi nea ch tim ewi th thecon tacts on
yo ur ow nve hicle firs t. #
Afterre mo ving thejum per cable/c harging
cable, closecover2 ofposi tiveclam p3. #
Closecover1.
Fu rther information canbeobt ained ataqu ali‐
fi ed specialis two rkshop. Re
plac ingthe 12Vbatt ery #
Obs erve theno teson the12 Vbatt ery
(/ page380).
Mer cedes-Benz recomme ndsthat youha ve the
12 Vbatt eryre placed ataqu alif ied spec ialist
wo rkshop, e.g.atan aut hor ized Mercedes-Benz
Cent er.
Obser vethefo llo wing notesif yo uwa ntto
re place thebatt eryyo urself :
R Alw aysre place afa ulty battery wit habatt ery
whic hmee tsthespecif icvehicle requ ire‐
men ts. The
vehicle iseq uipped withan AGMtech nol ‐
ogy batter y(A bso rbentGlas sMa t)or alith ‐
ium-io nbatt ery. Fu llve hicle functionality is
onl yguar anteed withan AGMbatt eryor lith‐
ium-ion battery. Fo rsaf etyre ason s,
Mer cedes-Ben zre comme ndsthat youon ly
use batteries whic hha ve been tested and
appr ovedfo ryo ur vehicle byMer cedes-Ben z.
R Carryove rde tach able parts,suc has vent
hos es,elbo wfitting orterm inal covers from
th ebatt erybeing replaced.
R Mak esur eth at theve nt hos eis alwa ys con‐
nect edtotheor iginal opening ontheside of
th ebatt ery.
Ins tallan yex istin gor supplied cellcaps.
Ot her wise, gases orbatt eryacid could
escape.
R Mak esur eth at detach able partsarere con‐
nect edinthesame way. To
w star ting ortowing away Pe
rm itted towing methods Plug-
inhybrid: besur eto obser vetheno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers.
Mercedes-Be nzrecomme ndstransp orting your
ve hicle inthecase ofabr eakdo wn,rath er than
to wing itaw ay.
Fo rto wing, useato w rope ortow bar withbo th
axle son thegr ound. Donotuse tow bar sys‐
te ms.
* NO
TEDama getotheve hicle duetotow‐
ing away inc orrectl y #
Obs erve theins truction sand noteson
to wing away. Br
ea kdo wnassista nce 38
5

Pe
rm itted towing methods Ve
hicl eeq uipment/ towing
me thod Bo
th axle son thegr ound Fr
ont axle raised Re
ar axle raised
Ve hicles withaut omatic transmis‐
sion Ye
s,maximum 31mile s(50 km) at
31 mp h(50 km/h) No
Yes,ifth esteer ing wheel isfixe din
th ecent erposition withast eer ing
wheel lock.
4MA TICvehicles Yes,maximum 31mile s(50 km) at
31 mp h(50 km/h) No
NoTo
tow wit hara ised axle: towing should be
per form ed byato wing company. To
wing theve hicl ewith both axle son the
gr ound #
Obser vetheno teson theper mitt edtowing
me thods (/page385). #
Mak esur eth at thebatt eryis con nect edand
ch arge d. Obser
vethefo llo wing pointswhen thebatt eryis
disc harged:
R The engin ecann otbe star ted
R The electr icpar king brak ecann otbe
re leased orapplied
R Vehicl eswith automatic transmiss ion:
The automatic transmiss ioncanno tbe shif‐
te dto position 005Cor005D. %
Vehicl eswith automatic transmiss ion:If
th eaut omatic transmiss ioncann otbe shif‐
te dto position 005C,orthemultifunc tiondis‐
pla yin theins trument clusterdoes notsho w
an ything, have theve hicle transpor tedaw ay
( / pag e388). Atowing vehicle withlifting
eq uipment isrequ ired forve hicle transpor ta‐
tio n. 38
6
Brea kdo wnassist anc e

*
NO
TEDama gedue totowing away at
exc essiv elyhigh speeds orove rlong dis‐
ta nces The
drivet ra in could bedamag edwhen tow‐
ing atexc essiv elyhigh speeds orover long
dis tances. #
Atowing speed of30 mph(50 km/h)
mus tno tbe exc eeded. #
Atowing distan ceof30 miles(50 km)
mus tno tbe exc eeded. &
WARNIN GRisk ofacci dent whento wing
a ve hicle whichis toohea vy
If th eve hicle being tow- star tedor towe d
aw ay ishea vier than theper missible gross
mass ofyour vehicle, thefo llo wing situat ions
can occur:
R The towing eyema ybecome detach ed.
R The vehicle/tr ailercombination may
sw erve oreve nov ertur n. #
Ifano ther vehicle istow- star tedor
to we daw ay,its weight mustno texc eed th
eper missible gross mass ofyour ow n
ve hicle. If
ave hicle mustbe tow- star tedor towe daw ay,
its per missib legross weight mustno texc eed the
per missible gross weight oftheto wing vehicle. #
Information ontheper missible gross mass of
th eve hicle canbefound ontheve hicle iden‐
tif ication plate(/ page428). #
Vehicl eswith automatic transmiss ion:Do
no topen thedr iver's door orfront passeng er
door ,ot her wise theaut omatic transmiss ion
aut omaticall yshif tsto position 005D. #
Installth eto wing eye(/ page389). #
Fasten theto w bar .
* NO
TEDama gedue toinc orrect connec‐
tion oftheto w bar #
Onlyconnect theto w rope ortow bar to
th eto wing eyes. #
Deact ivat eth eaut omatic locking mechanism
(/ page72 ). #
Donotactiv ateth eHOLD function. #
Deact ivat eth eto w- aw ay alar m(/ page91 ). #
Deac tivateAc tiveBr ak eAssi st
( / pag e18 1). #
Vehicl eswith automatic transmiss ion:
Shif tth eaut omatic transmiss iontoposition
005C. #
Release theelectr icpar king brak e. &
WARNIN GRisk ofacci dent dueto limi‐
te dsaf ety-re lat ed func tionsdur ing the
to wing proce ss
Saf ety-re lat ed func tionsar elimit edorno lon‐
ge rav ailable inthefo llo wing situat ions:
R theignition isswitc hedoff.
R thebr ak esy stem orpowe rst eer ing sys‐
te m ismalfu nctioning.
R theener gysupply ortheon- boar delectr i‐
cal system ismalfunct ioning.
When your vehicle isthen towe daw ay,signif ‐
icant lymor eef fort ma ybe requ ired tosteer
and brak eth an isno rm allyre qu ired. Br
eakdo wnassis tance 38
7

#
Use ato w bar . #
Mak esur eth at thesteer ing wheel can
mo vefreely ,bef oreto wing theve hicle
aw ay. *
NO
TEDama gedue toexcess ive tracti ve
po we r If
yo upull away shar ply, thetractiv epo we r
ma ybe toohigh andtheve hicles couldbe
damag ed. #
Pull away slo wlyand smoo thly. Lo
adi ng the vehicl efo rtr ans port #
Obser vetheno teson towing away
( / pag e386). #
Connec tth eto w bar totheto wing eyein
or der toload theve hicle. #
Vehicl eswith automatic transmiss ion:
Shif tth eaut omatic transmiss iontoposition
005C. %
Ve
hicl eswith automatic transmiss ion:
The automatic transmiss ionmaybe locked
in posit ion005Dintheeve ntofdama getothe
electr icalsystem. Toshif tto 005C ,pr ov ide the
on-boar delectr icalsystem withpo we r
( / pag e383). #
Load theve hicle ontoth etra nspor ter. #
Vehicl eswith automatic transmiss ion:
Shif tth eaut omatic transmiss iontoposition
005D. #
Use theelectr icpar king brak eto secur eth e
ve hicle agains tro lling away. #
Onlysecur eth eve hicle bythewheels.
AMG vehicl eswith ADSPL US exceptAMG
Pe rfor ma nce vehicl es &
WARNIN GRisk ofan acci dent when
tr ansp orting vehicles withAd aptive
Dam pingSy stem PLUS
The reduced damping forc es on theve hicle
being transpor tedcan cause theve hicle/
tr ailer combination tostar tto swing. As
are sult, when transpor tingvehicles with
th eAd aptiveDam pingSy stem PLUS, the
ve hicle/tr ailercombination mayst ar tto skid.
Conseq uently,yo uco uld lose contro lof your
ve hicle. #
When transpor ting,ensur eth at:
R The vehicle hasbeen loaded onto
th etranspor tercor rectl y
R The vehicle issecur edatall four
wheel swit hsuit able tensi oni ng
st ra ps
R The maximum permissible speedof
35 mph(6 0km/h) isno texc eeded
when transpor ting *
NO
TEDama getotheve hicle from secur‐
ing itincor rectl y #
Afterloa ding, theve hicle mustbe
secur edon allfour wheel s.Ot her wise,
th eve hicle could bedamag ed. #
Aminimum distance of8in (20 cm)
up wa rdsand 4in (10 cm) down wards
mus tbe kept tothetranspor tplatf orm. 388
Breakdo wnassis tance

#
Secu retheve hicle onallfour wheel saf te r
loading .
4MA TICvehicl es/vehicl eswith automatic
tr ansmiss ion #
Mak esur eth at thefront and rear axle scom e
to rest on thesame transpor tatio nve hicle.
* NO
TEDama getothedr ivet ra in due to
inc orrect pos itioning #
Donotpos ition theve hicle abovethe
connecti onpointofthetranspor tve hi‐
cle. To
wing eyesto rage location To
wing eye1 islocat edinthestow agespac e
unde rth etrunk floor . Ins
talling theto wing eye #
Press themar kon cover1 inwa rdsand
re mo ve. #
Screw intheto wing eyecloc kwiseasfaras it
wil lgo and tight en.
% Mak esur eth at cover1 eng ages inthe
bum perwhen youre mo vetheto wing eye. Br
eakdo wnassis tance 38
9