ECU MERCEDES-BENZ C-CLASS COUPE 2021 Repair Manual

Ra
dio voice comm ands Vo
ice comm and Function
St ation To
cal lup recei vable orsave dstatio ns
To
ent erafreq uency direct ly
Next station To
switc hto thene xt available statio n
Prev ious statio n To
switc hto thepr ev ious statio n
Sav est atio n To
save ast atio nin thest atio nlis t
Sh ow statio nlist To
displa yth enames ofall recei vable statio ns
Read outstatio nlist To
listento thenames ofall recei vable statio ns
Traf ficinform ationon
Traf ficinform ationoff To
switc hth etraf fic inf ormati onser vice on/of f
Ra dio info on
Ra dio info off To
switc hinf ormation aboutthecur rent statio non /of f Ov
ervie wof med iapla yervo ice comm ands Media
playervo ice com mand scan also beused
when themedia playerru ns inthebac kground. Vo
ice Cont rolSy stem 21
9

Ov
ervie wand oper ation Ov
ervie wof themu ltim edia system &
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. 1
Touc hCon trol
Mult imed iasystem butt ongroup onthe
st eer ing wheel (/page20 7)
2 Media display
3 Main function buttongroup (/page229)
4 Touc hpad
5 Con troller
• Ad jus tsthevo lume (/page232) •
Swit ches thesound on/off(/ page23 1)
Fo rMer cedes- AMGvehicles withAMG Per‐
fo rm anc eex haus tsy stem:
• Turn:ad jus tsthevo lume
• Press: switc hesthemultimedia system
on/ off
6 00D0 button
• Switc hesmultimedia system on/ off
Fo rMer cedes- AMGvehicles withAMG Per‐
fo rm anc eex haus tsy stem:
• Se tsthevo lume oftheAMG Perfor mance
ex haus tsy stem
7 Contr oller No
teson themed iadisp lay *
NO
TEScr atches onthedispla y The
displa yhas ahighly sensitive, high-g loss
sur face. Thereisarisk ofitbecoming
scr atc hed. #
Avoid touc hin gth edispla y. #
Obser vetheno teson cleaning. Multimedia
system 225

#
Toswitc hon: chang eth emedia sourceor
tur nvo lume control 1. Ad
jus tingthe volum e Se
tting withth evo lum econtr ol On
themultifunc tionsteer ing wheel On
themultimedia system #
Turn volume control 1.
The volume ofthecur rent radio ormedia
sour ceisset.The volume ofother audi o
sour cescan beadjus tedsepar ately.
Ad jus tth is in thefo llo wing situat ions:
R Dur ing atraf fic annou ncement
R Dur ing ana vig ation annou ncement The
volume ofthena vig ation announ ce‐
ment chang esinacc ordanc ewit hth evo l‐
ume ofthecur rent med iasou rce.
R Dur ing ate lephon ecall
R When entering orexitin gapar kingspace
while using ActivePa rking Assist
Se tting inthemenu #
Sele ctSyst eminthemultimedia system. #
Select Audio. #
Select avo lume setting. #
Setth evo lume. Ent
ering charact ers Usi
ngthech aract erinput functi on &
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 232
Multimedia system

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.
Use thech aract erinput function inthefo llo wing
situat ions,fo rex am ple:
R Renam ingafa vo rite
R Entering aPOI oraddress
R Making aph one call
The follo wing functionsar eav ailable:
R Select ing ach aract erinthech aract erbar
R Writin gach aract eron theto uc hpad
Charact erinput can bestar tedwit hacon trol
element andresumed withano ther. #
On theTo uc hCon trol and contr oller:
sele ctthech aract ersin thech aract erbar .
De pen dingon theta rget ent ry,th efo llo wing
ch aract ersar eav ailable:
R The fullsetof charact ersis sho wn
R Onlythose charact erswhic har eusef ul
fo rth ecur rent inpu tst ring are shown
Ot her charact ersar egr ay ed out. #
On theto uc hpad: selectthech aract ersin
th ech aract erbar .
or #
Write th ech aract erson theto uc h-sen sitive
sur face oftheto uc hpad.
Han dwriting recogni tionsuppo rts yo uby
means ofcharact ersugg estio ns and are ad-
aloud function .
Ex am ples ofcharact erent ry:
R Renam ingafa vo rite
R Entering aPOI oran address using free or
st ep-b y-step sear ch
R Entering awe baddr ess Ent
ering charact ersusin gth econtr oller
Ex am ple: renaming favo rite s #
Call upthe"R enaming favo rite s" function
(/ page230). #
Toent erach aract er:tur n3, slide 4
and press thecon troller .
The charact erisent ered intheinput line.
Use thefo llo wing entryfunctions:
% Todele teach aract er:pr ess thecon trol‐
ler .
To dele tean ent ry:pr ess and holdth e
contr oller unti lth eent ire ent ryisdele ted. Multimedia
system 233

0062
To
switc hto special charact ersand sym‐
bols.
006A To
switc hto upper -case orlowe r-case let‐
te rs.
0054 To
switc hth elanguag e.
v Toswitc hto charact erent ryon theto uc h‐
pad.
% The available editingfunction sdepen don
th eediting task ,th elanguag ese tand the
ch aract erleve l. #
Toconf irm theentr y:select ¡.
Ex am ple: entering ades tination (navigation) #
EnterthePOI oraddr ess(/ page24 8).
Ent eringch aract erson theto uc hpad
Re quirement s:
R The touc hpad isswit ched on (/ page22 7).
R The entered orselect edcharact ershoul dbe
re ad out :th ehandwr itingrecogni tionread-
aloud function isswit ched on (/ page228). Ex
am ple: renaming favo rite s #
Call upthe"R enaming favo rite s" function
(/ page230). #
Toent erach aract er:use your fing er to
wr ite ch aract erson theto uc hpad.
The charact erisent ered intheinput line. If
dif fere nt interpr etatio nsareposs ible, charac‐
te rsugg estions aredisp laye d. #
Toselect ach aract ersugg estion :swi peup
or down ontheto uc hpad. #
Resume charact erinput. #
Toent eraspa ce:swipe right when thecur‐
sor islocat edintheinput line. #
Todel eteach aract er:swi peleftwhe nth e
cur sor isloca tedin theinput line. #
Toconf irm theentr y:press theto uc hpad. #
Tofinish charact erentr y:swipe upwards.
or #
Press the0038 button.
Ex am ple: entering ades tinat ion(navigation) #
Enterth ePOI oraddr ess(/ page24 8). Sy
stem settings Displa
y Conf
iguringdisp layse ttings
Multi media system:
4 System 5
0043 Display andDesign s
St yles #
Sele ctDes igns. #
Sele ctSpo rt,Classic orProg ressive.
Ad apting theam bient lightingforthe style #
Select Adju stAmb. Lighting .
Ac tivate0073 ordeacti vate 0053 thefunc tion. 23
4
Multimedia system

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
(/ page23 7).
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). Multimedia
system 23
7

#
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. 238
Multimedi asy stem

#
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 7). #
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(/ page23 7) and themul‐
timedia system iscon figur edasaWi -Fi hot‐
spo t(/ page 238).
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. Multimedia
system 239

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(/ page30 1) or the
USB device isconnec ted(/ page302).
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 meaccoun tex ists at htt ps:/ /
me. secur e.mercedes -benz.com.
R The Perso nalization service isact ive
(/ page24 2).
Mul timediasystem:
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. Multimedia
system 24
1

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 (/ page24 3).
Cr ea tin gause rpr ofile
Mu ltimed iasystem:
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. 24
2
Multimedia system