key MERCEDES-BENZ C-CLASS SEDAN 2020 Service Manual

#
Press theWPS buttonon thede vice tobe
con nectedor select Connec t. #
Select Continue inthemultimedia system.
Connecting usingasecur itykey #
Select Connect DevicetoVeh icleHotsp ot.
A secu rity keyis disp laye d. #
Select theve hicle from thede vice tobe con ‐
nec ted. The vehicle isdispla yedwit hth e
SSID MBHotsp otXXX XX. #
Enterthesecur itykeywhic his sho wninthe
media display on thede vice tobe con nected. #
Conf irm theent ry.
Connect ingusin gNFC #
Sele ctConn ection viaNFC. #
ActivateNFC onthemobile device (see the
manuf acturer'soper ating instructions). #
Bring themobile device intoth eNFC area of
th eve hicle (/page31 0). #
Select Done.
The mobi lede vice isno wconnect edtothe
multime diasystem hotspo tvia NFC. Gener
atingane wsecur itykey: #
Select Set UpHotsp ot. #
Select Genera teSecu rityKey.
A connecti onwillbe established withth e
ne wly crea tedsecur itykey. #
Tosave asec urity key:select Save.
When ane wsecur itykeyis save d, all existin g
Wi -Fi conne ctionsareth en discon nected.If
th eWi -Fi conne ctionsarebe ing re-es tab‐
lished, thene wsecur itykeymus tbe entere d. Mana
gingCOMAND Touc hde vic es Re
quirement s:
R The COMAND Touc happ isins talled onthe
ex tern al de vic e(e. g.table tor smar tphon e).
R Wi-Fi isacti vated(/ page268) andthemul‐
timedia system iscon figur edasaWi -Fi hot‐
spo t(/ page 269). Mul
timedi asy stem:
4 System 5
COMAND Touch
Connecting andauthor izing ane wde vice #
Select AuthorizeaNew Devic e. #
Select Connec tNew Devic e. #
Enterth esecur itykeyin theex tern al de vic e.
The Please start COMA NDTouc hon your
devi ceand follow theins truct ions.mes sage
appear s. #
Select Con tinue. #
Accep tth econ nect ionrequ estfr om thene w
de vice. #
Enterth ePIN shownontheex tern al de vic e.
The devic eis aut hor ized.
Au thorizing aconnect eddevice #
Sele ctAut hori zeaNew Device.
The devic es already connectedar edispla yed. #
Select Continue Using Connec tedDevic es.
The Please startCOMAND Touchonyour
device andfollow theinstruct ions. messag e
appear s. 27
0
Multimedia system

#
Setth evo lume.
Fu rther information onthere comme ndedrecep‐
tion andtransm ission volume: http:/ /
www .mercedes-ben z.com/ connect
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/ stopping mobilephon evo ice recog‐
nit ion
Re quirement s:
R The mobile phoneis con nectedto themulti‐
media system (/ page30 7).
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)
Condu ctingcallswithse ve ralpar ticip ants
Re quirement s:
R Ther eis an act ive call (/ page31 1).
R Ano ther 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. Mu
ltimed iasystem 31
1

#
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

Ke
eping theair -water duct free #
Keep thear ea between thehood andthe
winds hieldfree ofdepos its,e.g .ice, snow
and leaves. Cleani
ngand care No
teson washing theve hicl ein acar wash &
WARNIN GRisk ofacci dent dueto
re duced braking effect afte rwa shing the
ve hicle
The braking effect isreduced afte rwa shing
th eve hicle. #
Afterth eve hicle hasbeen washed,
br ak ecar efully whilepaying attention to
th etraf fic condi tions untilth ebr aking
ef fect hasbee nful lyrestor ed. *
NO
TEDama gedue touns uitable car
wa sh #
Beforedr iving intoacar wash mak e
sur eth at thecar wash issuit able for
th eve hicle dimensions. #
Ensur eth er eis suf ficie ntgrou nd clear‐
ance between theunderbody andthe
guide rails ofthecar wash. #
Ensur eth at theclear ance widthof the
car wash, inpar ticular thewidt hof the
guide rails, issuf ficie nt. To
avo iddamag eto your vehicle when usinga
car wash, ensur eth efo llo wing beforehand:
R ActiveDis tance AssistDIS TRONI Cand the
HOLD functio nar edea ctivated.
R The 360° Camer aor there ar vie wcam erais
swit ched off.
R The side windo wsand slidin gsun roof are
com pletely clos ed.
R The blow erforth eve ntil ation/he ating is
sw itched off. R
The windsh ield wipe rsw itchis in po sitio n
005A.
R Incar washes withacon veyo rsy stem: neu‐
tr al 005C iseng aged.
R The Smar tKey isat amin imum distance of
10 ft(3 m) away from theve hicle, other wise
th etrunk lidcould openunintentionall y.
% Ifyo uwo uld liketo lea vetheve hicle while it
is being washed, makesur eth eSmar tKey is
locat edintheve hicle. Theparkposition 005D
is other wise automaticall yeng aged.
% If,afte rth ecar wash, youre mo vethewa x
fr om thewindshield andwiper rubber s,this
will preve ntsme aring and reduce wiper
noise. Maint
enanc eand care363

Inf
orma tion onusin gapo we rwa sher &
WARNIN GRisk ofacci dent whenus ing
hig h-pr essurecle ani ng equipm entwith
ro und -spr ay nozzl es
The waterje tfr om aro und -spr ay nozzl e(d irt
gr ind er) maycau sedama getotires and sus‐
pe nsi on components that isno tvisi ble.
Com ponentsdamag edinthis wa yma yfa il
une xpec tedly. #
Donotus ehigh- press urecle ani ng
eq uipme ntwith round -spr ay nozzl esto
cle an your vehicle. #
Damag edtires orsuspension compo‐
nent smus tbe replaced immediat ely. To
avo iddamag eto your vehicle, observethefo l‐
lo wing when usingapo we rwa sher :
R keep theSmar tKey atleas t10 ft(3 m) away
fr om theve hicle. Other wise thetrunk lid
could openunintentionall y.
R maint ainadis tance ofat leas t11 .8 in
(30 cm) totheve hicle. R
vehicl eswith decorativ efo il: par tsof your
ve hicle areco veredwit hadecora tivefo il.
Maint ainadis tance ofat leas t27 .6 in
(70 cm) between thefo il-c ove redpar tsof the
ve hicle andthenoz zleofthepo we rwa sher .
Mo vethepo we rwa sher nozzlearound whilst
cleaning. Thewaterte mp eratur eof the
po we rwa sher mustno texc eed 140°F
(60 °C).
R obse rveth einf ormation onthecor rect dis‐
ta nce intheeq uipment manufacturer'soper‐
ating instruction s.
R donotpoint thenoz zleofthepo we rwa sher
dir ectl yat sensitiv epar tssuc has tires, slits,
electr icalcom ponents, batteries, light bulbs
and ventil ation slot s. Wa
shing theve hicl eby hand Obser
vetheleg alrequ iremen ts,e.g. inanumb er
of coun tries, washing byhand isonl yper mitt ed
in specially designatedwash bays. #
Use amild cleaning agent, e.g.carsham poo. #
Washtheve hicle withluk ewa rmwaterusi ng
a sof tcar spong e.When doingso,donot
ex pose theve hicle todirect sunlight . #
Carefully hosetheve hicle offwit hwa terand
dr yusi ng ach amois .Ta ke car eno tto point
th ewa terje tdir ectl yto wa rdsth eair inle t
gr ille belo wthehood. 36
4
Maint enanc eand care

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions &
WARNIN GRisk ofan acci dent from drivi ng with ove rheat edtires
Ov erheat edtires ma ybur st,par ticular lyat high speeds. #
Reduce speed sothat thetir es cool down. #
Reduce speed sothat thetir es cool down. Smar
tKey Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Obtain aNew Key *T
heSmar tKey nee dstobe replaced. #
Visit aqu alif ied spec ialistwo rkshop.
Á Repla ceKey Battery *T
heSmar tKey batt eryis disc harged. #
Replace thebatt ery(/ page67 ). Displa
ymessag esand warning/ indic ator lam ps 47
9

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Key NotDetected (white
displa ymessag e) *T
heSmar tKey iscur rently undetect ed. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Ifth eSmar tKey isstill no tre cogni zed,place itin themar kedspace forst ar tin gwit hth eSmar tKey
( / pag e14 3).
Á Key NotDetected (red dis‐
pla ymessa ge) *T
heSmar tKey canno tbe detected and mayno long erbe intheve hicle.
The Smar tKey isno long erintheve hicle andyouswit choffth eengine:
R Youcan nolongerst ar tth eengine.
R Youcan notcen trall yloc kth eve hicle. #
Ensur eth at theSmar tKey isin theve hicle.
If th eSmar tKey detection functi onhasa mal functi ondueto ast ro ng radio signal source: #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
PlacetheSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e14 3).
Pl ac ethe Key inthe
Ma rked SpaceSee Opera -
tor' sMa nua l *S
mar tKey detection ismal functi oning. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey intheslo tfo rst ar tin gth eengine withth eSmar tKey (/ pag e14 3). 48
0
Dis play messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Don 'tForget YourKey *A
warning tone willal so sou nd. Thismes sage reminds youto take your Sm artK ey wit hyo uwhen youlea vethe
ve hicle. Ve
hicl e Dis
playmessag es
Possible causes/conseq uencesand0050 0050
Solutions
0072 Vehicle ReadytoDrive
Switc hthe Ignit ionOff
Before Exiting *Y
ouarelea ving theve hicle when itis in are ady -to- dr ive st at e. #
When youlea vetheve hicle, switchof fth eignition ,secur eth eve hicle agains tro lling away and taketh eSmar t‐
Ke ywit hyo u. #
Ifyo udo notlea vetheve hicle, switchof fth eelectr icalconsumer s,e.g. theseat heating. Other wise, the12 V
batt eryma ydisc hargeand itwill then be possible tostar tth eve hicle onlywit hth eaid ofasecon dbatt ery
(s ta rting assis tance) . Disp
lay mes sage sand warning/ indic ator lam ps 48
1

B
Bag hook<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 111
BA S(Br akeAssis tSy stem) .....................1 72
Batt ery
Ch arging (Remo teOnline) .................... 144
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 67
Batt ery
see Battery(v ehi cle)
Batt ery(v ehi cle) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 385
Ch arging <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 383
Ch arging (Remo teOnline) .................... 144
No tes .................................................. 380
No tes(s ta rting assis tance and
ch argin g) .............................................3 81
Re placing ...... ...................................... 385
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....383
Bel t
see Seatbe lt
Bli nd Spo tAs sist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 221
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>221
Swi tching on/o ff<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 223
Sy stem limit ations ...............................2 21 Blo
wer
see Clima tecontr ol
Blue tooth®
<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 267
Ac tivati ng/d eactiv ating ........... ........... .267
Inf ormation ...................................... .... 267
Blue tooth®
audio
Ac tivati ng ........... ................................. 344
De-a uthor izing (de-r egiste ring) the
de vice .................................................. 345
Inf ormation .................................... ...... 342
Ov ervie w ........................................ .....3 43
Sear ching fora trac k ..... ......................345
Sear ching forand author izing the
de vice .................................................. 343
Select ingamedia player..... ................3 44
Swi tching device viaNFC <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 345
Br ak eAs sist System
see BAS(Br akeAssi stSystem)
Br ak efluid
No tes .................................................. 433
Br ak efo rc edis tribut ion
EB D(elec tronic brak efo rc edis tribu‐
tion )..................................................... 175 Br
ak es
ABS (Anti-lock Braki ng System) ........... 171
Ac tiveBr ak eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 175
BA S(Br akeAssi stSystem) ...................1 72
Dr iving tips............ ..............................146
EBD (electr oni cbr ak efo rc edis tribu‐
tion )..................................................... 175
HOLD functio n............ .........................196
Limi tedbr aking effect (sa lt-tr eated
ro ads) .................................................. 146
Ne w/r epla ced brak epad s/brake
discs .................................................... 145
No teson breaking-in ane wvehicle ..... 145
Br akin gass ista nc e
see BAS(Br akeAssi stSystem)
Br eakdo wn
Changing awheel ................................. 419
Ov ervie wof thehelp functions.............. 18
Ro adside Assis tance <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> .....23
To w- star tin g........................................ 390
To wing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 386
Tr ans portingth eve hicle ......................3 88
Br eakdo wn
see Flat tire Inde
x50
7

Bur
mes ter®
sur round soun dsy stem .....3 52
Ad jus ting thebalance/f ader............... 353
Ad jus ting thesound focus <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 353
Ad jus ting treb le,mid -rang eand bass
se tting s............ ................................... 353
Au tomatic volume adjustment ........ .....3 53
Ca lls up thesound menu ............... ...... 352
Inf ormation .......................................... 352
Switc hingthesur round soun don /of f
.. ...................................................... .....3 53
Butt ons
St eer ing wheel .................................... 229 C
Call list
Making acall ....................................... 315
Ov ervie w .......................................... ....3 14
Callin gup thesound menu
Ad vanced soundsystem ......................3 53
Call s....... ...................................................311
Ac cep ting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ................311
Ac tivati ng functio nsduring acal l......... 311
Calls withse veralpar ticipant s.............3 11
Decl ining ............ .................................. 311 Endi
ngacal l............. .......................... ..311
Incoming callduring anexistin gcall .... 312
Making ............................................. ....3 11
Mer cedes me....................................... 321
Calls upthesound menu
Bur mes ter®
sur round soun dsy stem ...352
Camer a
see 360° Camer a
see Rear vie wcam era
Car key
see Smar tKey
Car wash
see Care
Car wash (car e)....................................... 363
Car e..........................................................3 69
Air -water duct ......................................363
Au tomatic carwash ........................ ..... 363
Car pet............................................. ....3 69
Decor ativefo il ................................ .....3 66
Displ ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 369
Ext eriorlighti ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 368
Hea dline r<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 369
Ma tte finis h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ...............365
Pa int wo rk <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 365Pl
as tic trim <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 369
Po we rwa sher ...................................... 364
Re alwo od/tr imelements ...................3 69
Re ar vie wcam era ................................ 368
Seat belt.............................................. 369
Seat cover..... ...................................... 369
Sensor s..... .......................................... 368
Ta ilpipes .............................................. 368
Wa shing byhand ................................. 364
Wheels/r ims....................................... 368
Wi ndo ws <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 368
Wi per blades .......................................3 68
Car gotie-do wnrings ...............................1 10
Car pet(Car e)...........................................3 69
Chang eof addr ess ....................................23
Cha ngeof ow ner ship ................................ 23
Changing awheel
Pr epar ation .......................................... 419
Ra ising theve hicle .............................. 420
Changing awheel
see Emer gency sparewheel
Chan ginggears ....... ................................. 155
Manually ..............................................1 55 508
Index