ECU MERCEDES-BENZ C-CLASS CABRIOLET 2021 Repair Manual

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
(/ page232).
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.
The type ofcon nection 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). 232
Multimedia system

#
Enterthis 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 buttonon thede 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.
Se tting upaWi -Fiho tspo t
Re quirement s:
R Forco nn ectio nby pres sin gabutt on:th is
func tion isonl yav ailable inaWi -Fi frequency
of 2.4 GHz. Mu
ltimed iasystem:
4 System 5
ö Connec tivity
Conf iguringthemu ltim edia system asaWi -
Fi ho tspo t
The type ofconnection established depends on
th ede vice tobe con nected. The func tion must
be suppor tedby themultimedia system and by
th ede vice tobe con nected. The type ofcon nec‐
tion established mustbe select edon themulti‐
media system and onthede vice tobe con nec‐
te d. #
Select SetUpHot spot. #
Highlight ConnectDevic eto Vehicle Hotspot.
Gener atingaWPS PIN #
Select ¥Connec tvia WPS PINGenera-
tion . #
Enterth ePIN showninthemedia displayon
th ede vice tobe con nectedand confirm .
Connect ingusin gaWPS PIN #
Sele ct¥ ConnectviaWPS PINInput. #
Sele ctEnter WPS PIN. Mult
imedi asy stem 233

#
EnterthePIN that issho wnontheex tern al
de vic e's displa yon themultimedia system. #
Select Continue.
Connecting usingabutt on #
Select ¥Connec tvia WPS PBC. #
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 (/page27 2). #
Select Done .
The mob ile de 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(/ page232) andthemul‐
timedia system iscon figur edasaWi -Fi hot‐
spo t(/ page 233).
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. #
The connectionre qu estfr om thede vice
Acc ept. #
Enterth ePIN shownontheex tern al de vic e.
The devic eis aut hor ized.
Au thorising aconnect eddevice #
Sele ctAut hori zeaNew Device.
The devic es already connectedar edispla yed. 23
4
Multimedia system

Data
impor tand expor t Dat
aim por t/expor tfunc tion
The follo wing functionsar epossible :
R Trans ferring datafrom one system orvehicle
to ano ther system orvehicle.
R Creating abac kupcop yof your per son aldat a
and loadin git ag ain.
R Protect ing your per son aldat aag ains tun wa n‐
te dex por twit hPIN protect ion.
% Please note that theNTFS file system isno t
suppor ted. The FAT32 file system isrecom‐
mend ed.
Im por ting /expor tingdata
* NO
TELos sof data due toprematur e
re mo val #
Donotre mo vethedat ast or ag e
medium whendatais being expor ted.
Mer cedes- Benzis no tliable foran yloss of
dat a. Re
quirement s:
R The vehicle isstatio nary.
R The ignition isswitc hedonortheve hicle has
been star ted.
R The SDcardis inser ted(/ page296) orthe
USB device isconnec ted(/ page29 7).
Multimedia system:
4 System 5
System Backup #
Select Import DataorExport Data.
Im por ting #
Select adat ast or ag emedium.
A pr om ptappear sask ing whe ther youre all y
wish tooverwr ite th ecur rent data.If da ta
or iginat esfrom another vehicle, this isrecog‐
nized during data readin g.
The mult imed iasystem isrestar tedonc eth e
dat ahas been impor ted.
% Current vehicle settin gscan beedit edafte r
th eim por t.
Expor ting
If PIN protect ion isactiv ated, your PIN isrequ es‐
te d. #
Enterth efo ur -di git PIN. #
Select adat ast or ag emedium.
The datais ex por ted. The dataex por tma y
ta ke severalmin utes. Ac
tiv atin g/deac tivatin gPI N protection Re
quirement s:
To unlo ckthePIN:
R Ther eis an Interne tcon nect ion.
R AMer cedes meaccount exists at htt ps:/ /
me. secur e.mercedes -benz.com.
R The Perso nalization service isact ive
(/ page23 7).
Multim ediasystem:
4 System 5
PIN Protec tion
Se tting thePIN #
Sele ctSet PIN. #
Entera fo ur -di git PIN. #
Enterth efo ur -di git PIN again.
If bo th PINs match,PIN protect ion isactiv e. 236
Multimedia system

Cha
nging thePIN #
Sele ctChang eSet tings. #
Enterth ecur rent PIN . #
Select Chang ePIN . #
Seta ne wPIN .
Ac tiv atin gPI N protection fordat aex por t #
Sele ctCh ange Setting s.
Co nfirm with thePIN. #
Select ProtectData Export .
Ac tivate0073 ordeacti vate 0053 thefunc tion.
Un bloc king thePIN
If th ePIN has been entered incor rectl yth re e
tim es,th ePIN willbebloc ked. Youcan have a
sing le-use passwordsent toyouvia the
Mer cedes meconn ectonline portalto rese tth e
PIN protect ion. #
Select Unbloc kPIN. #
Enterth esing le-use password.
PIN protect ion isrese t,and youcan seta
ne wPIN. %
The availabilit yof this func tion iscoun try
depen dentandmayno tbe available inyour
co unt ry.
Alt ernati vely,yo ucan have PIN protect ion
re se tat an aut hor ized Mercedes-Benz Cen‐
te r. User
profile Se
tting auser profile
Multimedia system:
4 System 5
g Person alization
Displa yingauser profile when star ting
If th is func tion isact ive, apr om ptappear swhen
st ar tin gth esy stem asking whichuser profile to
use. #
Select Display Profile Select ion afterStart . #
Activate0073 ordeacti vate 0053 thefunc tion.
Selecting auser profile #
Select GuestProfile orindividual profile 003B.
% Some settings from theuser profile areonl y
loaded whentheve hicle isstatio naryor
when theignition isswitc hedon. Au
tomatic synchronizat ion
Eac htime theignition isswitc hedoffor on, the
indiv idual userprofiles aresync hroniz edon the
multime diasystem and ontheser ver.This
ensur esthat thelat estuser profiles areav aila‐
ble. #
Select Automat icSyn chron izat ion. #
Activate0073 ordeacti vate 0053 thefunc tion.
% Formor einf ormation aboutimpor ting/
ex por tinguser profiles (/ page238 ).
Cr eating auser profile
Multimedia system:
4 System 5
g Person alization
5 Create Profile #
Entera name. #
Select 0076.
The follo wing informatio nis save din theuser
pr ofile, forex am ple:
R System settings
R Navig ation andtraf fic inf ormati on
The settings differ depending ontheve hicle
eq uipment. Multimedia
system 23
7

Im
por ting/e xportin gauser profile
Re quirement s:
R Ther eis an Interne tcon nection .
R AMer cedes meacco untexists at htt ps:/ /
me. secur e.mercedes -benz.com.
R The Perso nalization service isact ive.
R The func tion isavailable inyour count ry.
Multimedia system:
4 System 5
g Person alization
5 Manual Export/ Import
Im por ting auser profile #
Select Import Profiles fromServer.
The Theprofile dataimport overwrit esall
exist ingprofile data.Doyou want tocon -
tinue? messag eappear s. #
Select Yes.
User profiles areim por ted.
Expor tingauser profile #
Select Export Profiles tothe Serv er.
User profiles areex por ted. %
Onlyindividual profiles can beimpor tedor
ex por ted. The individual profiles arealw ays
coll ectiv elyimpor tedor expor ted.
% Certain settings ,suc has addr essbook
ent ries orprev ious destination sfrom the
na vig ation system, areno tex por ted.
Se tting user profile options
Multimedia system:
4 System 5
g Person alization #
Highlight apr ofile. #
Select ¥option s.
The follo wing option sar eav ailable:
R Renam e
R Delete
R Reset
% The gues tpr ofile can notbe dele tedor
re nam ed. So
ftwa reupdat es Inf
ormation onsof twareupdat es
The multimedi asy stem displa ysacor responding
messag ewhen asof twareupda teisavailable.
The availabilit yof this func tion isdepen denton
th ecount ry.
Depen dingon thesour ce,youcan perform
va rious updates: Sour
ceofthe
updat e Up
dat etype
Up dat esvia mobile
phone Na
vig ation map,sys‐
te m upd ates, Digit al
Oper ator's Manua l
Up dat esvia anexter‐
nal stor ag emedium,
e.g. aUSB flash drive Na
vig ation maps %
Softwareupd ates via mobil ephone requ ire
an act ive Int erne tcon nection forth eve hicle.
This isno tav ailable inall coun tries. Forfur‐
th er information oncon nect ingtotheInt er‐
ne t,see (/page29 1). 238
Multimedia system

Ad
vantag esofsof twareupd ates
Sof twareupdat esensur eyo ur vehicle's tech nol ‐
ogy isup -to-d ate.
In orde rto cons tantl yimpr ovethequ alit yof our
ser vices youwill recei vefutur esof twareupd ates
fo ryo ur mult imed iasystem, theMer cedes me
con nect services andyour vehicle's communica‐
tion module. Thesewillbesent toyouvia the
mobil ephone connection inyour vehicle and,as
an option, installed automat ically.Yo ucan mon i‐
to rth est atus ofyour sof twareupdat eson the
Mer cedes mePortal and find informati onabou t
po tentia linno vatio ns.
Yo ur adv antages ataglanc e:
R Con venie ntly recei vesof twareupda tesvia
th emobile phonenetwork
R Improve sth equ alit yand availabilit yof
Mer cedesme connectser vices
R Keeps your mult imed iasystem and comm uni‐
cation module up-to-dat e
Fu rther information aboutsoftwareupdat escan
be found athttp s:// me. secure.m erced es-
ben z.co m Car
rying out softwareupd ates
Re quirement s:
R Ther eis an Interne tcon nection
(/ page29 1).
R Foraut omat icso ftwa reupdat es:your
ve hicle hasaper manent lyins talled com mu‐
nic ation module.
Multim ediasystem:
4 System 5
Soft ware Update
Au tomatic softwa reupdat es #
Activate0073 Auto matic Onl ine Update.
Th esof twareup dateswill bedownloaded
and installed automat ically.
The current status ofthesof twareupdat eis
displa yed.
Manu alsof twareupd ates #
Switc hof f0053 Auto matic OnlineUpdate. #
Select asof twareupdat efrom thelis tand
st ar tth eupdat e. Ac
tiv atin gaso ftwa reupdat e #
Restar tth esy stem.
Fu nction ofimpor tant system updates
Im por tant system updat esma ybe neces saryfo r
th esecur ityofyour mult imed iasystem's data.
Please installth ese updat es,other wise the
secur ityofyour mult imed iasystem cann otbe
ensur ed.
% Ifaut omatic onlineupdatesareactiv ated,
th esy stem updat eswill bedownloaded auto‐
maticall y(/ page239).
As soon asasy stem updat eis available for
do wnload, acor responding messageappea rson
th emedia display.
Yo uha ve thefo llo wing selectionoption s:
R Down load
The system updat ewill bedownloaded inthe
bac kground .
R Detail s
In fo rm atio nabout thepending system
updat eis displa yed.
R Later Multimedia
system 239

The
system updat ecan bedownloaded man‐
ually atalat er time (/page239).
Yo uwill beinformed when thedo wnload iscom‐
ple teand thesy stem updat eis ready forins talla‐
tion .
% Park theve hicle safely inasuit able location
bef orest ar tin gth eins tallation .
Re quiremen tsforth eins tallation :
R The ignit ionisswitc hedon.
R The engin eis no tru nning .
R Notesand warnings have been read and
acc epted.
R The parkingbr ak eis applied.
If all requ iremen tsareme t,th esy stem updat eis
ins talled. Themultim ediasystem cann otbe
oper ated dur ing theins tallation andvehicle func‐
tions arere strict ed.
If er ro rs should occurduring theins tallation ,th e
multime diasystem automaticall yatt em ptsto
re stor eth epr ev ious version. Ifre stor ation ofthe
pr ev ious version isno tpossible ,a symbol
appear son themultimedia system displa y.Con ‐ sult
aqu alif ied spec ialistwo rkshop toresol ve
th epr oblem. Re
setfunction Multimedia
system:
4 System 5
Reset
Pe rsonal datais dele ted, forex am ple:
R Statio npr ese ts
R Con nectedmobile phones #
Select Yes.
If PIN protect ion isactiv ated, apr om ptappear s
ask ing ifyo ualso wish torestor eth is to thefa c‐
to ry settin gsdur ing are se t. #
Select Yes. #
Enterthecur rent PIN .
The PINisrese t.
or #
Select No.
The current PIN stay sth esame afte rre se t‐
ting. %
Ifyo uha ve forg ottenyo ur PIN ,an aut hor ized
Mer cedes-Ben zCen tercan deactivateth e
PIN protect ion foryo u.
A pr om ptappear sag ain asking whe ther you
re all ywish torese t. #
Select Yes.
The multimedia system isrese tto thefa ct or y
se ttings. Fi
t& Hea lthy ENE
RGIZIN GCOMF ORT Ov
ervie wof theENER GIZIN GCOMF ORTpr o‐
gr am
Pr ogr am overview
R Refresh: Canmaketa rgeted chang estothe
int erior climat eto refresh vehicle occupants.
Cooling airflow and ionizat ion purifytheair .
The vehicle interior isillu minat edwithcool
color sand theseat isventil ated .
R Warmth:Can increase thecomf ortle ve lof
th eve hicle occupants. Thevehicle's panel,
seat andsteer ing wheel heating prov ide cozy 24
0
Multimedia system

Multimedia
system:
4 Navigation #
Tosho w:swipe lefton theto uc hpad orthe
To uc hCon trol.
or #
Slid eth econ troller tothelef t. #
Tohide: swiperight ontheto uc hpad orthe
To uc hCon trol. or #
Slid eth econ troller totheright.
% Tosho wor hide lowe rmenu leve ls, swipe or
slide tothelef tor right asman ytimes as
necessar y. Des
tinat ion entry Ent
ering aPOI oraddress &
WARNIN GRisk ofdist ra ction from infor‐
mati onsystems andcomm unication s
eq uipment
If yo uoper ateinf ormat ionand comm unic a‐
tio neq uipme ntintegratedin theve hicle
when driving, youwill bedistract ed from the
tr af fic situ ation. Thiscou ldalso cau seyouto
lose control of theve hicle. #
Onlyoper ateth is eq uipmen twhen the
tr af fic situ ation per mits. #
Ifyo ucan notbe sur eof this, stop the
ve hicle whilstpa ying attention toroad and
traffic condi tions andoperate the
eq uipment withth eve hicle statio nary. Yo
umus tobse rveth eleg alrequ iremen tsforth e
cou ntryin whi chyouar ecur rentl ydr ivi ng when
op erati ng themultimedia system.
Re quirement s:
R Forthe online search :Me rcedes mecon‐
nect isavailable.
R Youha ve auser accoun tfo rth eMer cedes
me Portal.
R The serviceis available.
R The servicehas been activat ed atan aut hor ‐
ize dMer cedes-Ben zCent er.
Fu rther information canbefound at:ht tp s://
www .merced es.me
Mult imed iasystem:
4 Navigation #
Sho wthena vig ation menu. #
Select ªEnter Dest ination . Multimedia
system 24
3

#
Iffavo urites have been save dalr eady
(/ page258), select FromMyFavorit es. #
Select thefa vo urite.
The destinatio naddr essissho wn.
Select ingaPOI
Mult imed iasystem:
4 Navigation
5 ¬ Previous andOther Destination s
5 POIs #
Select thecat egor y.
or #
Select AllCategories andthecat egor y.
If ro ut eguidanc eis no tactiv e:thesear ch
begins inthevicinit yof thecur rent vehicle
position. Thelistis sor tedby distance in
as cend ingorde r.
The POIs showthefo llo wing informatio n:
R Name ofPOI
R Linear distance tothePOI
R The direct ion ofthelinear distan cetothe
POI (arrow )is displa yedwhen searching
fo rth eve hicle's current positio n #
Select thePOI. #
Routeguidanc eis activ e:sele ctthesear ch
position prior tochoosing aPOI (see exam‐
ple). #
Ifint ermedi atedes tinatio nsarese t,th ese
can also beselect edasthesear chposition
af te rsele cting NearDestination .
Fi lter ing disp lays forPO Is #
Enterthesear chterm inª Search:.
The results listsho wsreleva nt POI s. #
Select ¡.
The firs tPOI inthelis tis highlight ed. #
Select thePOI.
Ex am ple: setting thesear chpos ition forthe
par kingca tegor ydur ing activ ero uteguid‐
ance #
Select Inthe Vicini ty,Near Destinatio nor
Along theRou te.
The listsho wsthelocat edPOIs oropens an
ove rview of thero utedes tinatio naf te r
selecting NearDestination. #
Select thePOI. #
Select NearDestination: selecttheint er‐
mediat edes tinat ionorthedes tinat ion.
St arting anaut omatic gasst ation search
Re quirement s:
R The automat icga sst atio nsear chisact ivat ed
0073 (/ page252) .
Dr iving situation
Ro uteguidan ceisact ive. The fuel leve lin the
fuel tank reac hes there ser vefuel leve l.
The Reserv eFuel Doyou want tostar ta searc h
for surro undin ggas stations ?mess ageis sho wn. #
Selec tYes.
The automat icga sst atio nsear chbegins. The
av ailable gasst atio nsalon gth ero uteor in
th evicinit yof theve hicle's current positio n
ar edispl ayed. #
Select thega sst atio n.
The addr essofthega sst atio nis displa yed. #
Ifro uteguidan ceisno tact ive, sele ctStart
Rout eGuidan ce.
The selected gasst atio nis setas thedes ti‐
nation .Ro uteguidan cebegin s. 24
6
Multimedia system