radio MERCEDES-BENZ A-CLASS SEDAN 2021 User Guide

Connect
ingprev iousl yaut hor ized Bluetooth®
audio equipment #
Select aBlue tooth®
audio devic efrom the
lis t.
The connection isbeing established. Ov
ervie wof thesym bols andfunctions inthera dio menu Symbo
lD esignation Function
© HomeSelecttoretur nto thehome screen.
j MessagingSelecttocal lup mess aging.
00F5/00F6 Skip
forw ards/ backS electtoskip tothene xt or tothepr ev ious statio n.
Z Setting sS electtohave further option ssho wn. Settings canbemade tothefo llo wing addi‐
tion alfunc tions,forex am ple:
R Navig ation andtraf fic annou ncements
R Freq uency fix func tion
R Radio additional text
R Emerg encywarnings
The setting option sar ecoun try- dependen t. 24
4
MBUX multimedia system

Symbol
Designation Function
HD HDradio ®
Selecttoswitc hth eHD Radio ®
func tion onoroff.
This function isno tav ailable inall coun tries.
0063 Sile
ntfun ction Select toswitc hof fth esound.
0074 St
orera dio statio ns Select tosave ast atio nin thepr ese ts.
4 Statio nlis tS electtohave thest atio nlis tsho wn.
ª Search Select tosear chintheactiv emenu. Youcan sear chforar tis ts, genres ormoo ds,
fo rex am ple. Ad
diti onalfunc tions ofTuneIn radio
% Arelativ elylar ge volume ofdat acan be
transmit tedwhen usingTuneIn Radio. MBUX
multimedia system 24
5

Symbol
Designation Function
Z Settings Thefollo wing addition alsettings areav ailable in
th eTu neIn Radio menu:
R Select ingstre am
R Log gingon toor out oftheTu neIn account
ß Favorite sS electduring playbac kto save thest atio ncur ‐
re ntl yse tas afa vo rite .
6 /8 Play/P ause Selecttostar t,stop orcont inue playbac k.
5 Brows eS electtochoose acat egor yand then ara dio
st atio n. Ad
diti onalfunc tions ofthe satellite radio
SIRI USXM®
sat ellite radio offers mor eth an 175
digit al-quality radio chann elsprov iding 100%
commer cial-free musi c,spor ts,news and enter‐
ta inm ent,fo rex am ple. SIRIUS XM®
sat ellit e
ra dio employsaflee tof high-per form anc esat el‐ lit
es tobroadcas tar ound thecloc kth ro ughout
th eUS Aand Canada. Thesatellit era dio progr am
is available fora mont hlyfee. Inf ormation about
th is can beobt ained from aSir ius XM®
Ser vice
Cent erand athtt ps:/ /www .siriusxm .com (USA)
or htt ps:/ /www .siriusxm .ca (Canada). %
Sirius, XMand allrelat ed mar ksand logos
ar etrademar ksofSir ius XM Radio Inc.and
its subsidiar ies.Allother mar ks,ch ann el
nam esand logos areth epr oper tyof their
re spectiv eow ner s.All rights reser ved. 24
6
MBUX multimedia system

Symbol
Designation Function
Z Settings Thefollo wing addition alsettings areav ailable in
th esat ellit era dio menu:
R Activatech ild safetyloc kto loc kch ann els
wit hadult content
R Setal ar m progr amming formusi cand spor t
ale rts
R Creat eTu neMi xlist sto listento musi cseam‐
lessly
5 Playba ckcontr ol Selectto sho wthetimelin e.
Ta pan ypoint onthetimelin eto skip forw ards or
bac k.
Na vig ateto theend ofthetimelin eto retur nto
liv emode.
6 PlayS electtostar tor con tinue playbac k.
8 Rest Select topause thepla ybac k. Dep
endingonthefreq uency bandselect ed,dif‐
fe re nt func tions areav ailable toyou. Sel
ect thedesir edfreq uency bandinthera dio
menu headrunner . Cal
ling up TuneIn Radio Re
quirement s: MBUX
multim ediasystem 24
7

R
The TuneIn Radio service isactiv ated inthe
Mer cedes mePortal.
R The datavo lume isavailable.
De pen dingon thecount ry,dat avo lume may
need tobe pur chased.
R Afast Int erne tconnection fordat atransmis‐
sion free ofinterfere nce.
% Datavo lume canbepur chased directl y
fr om amob ilephone netw orkpr ov ider via
th eMer cedes mePortal.
% The function sand services arecoun try-
dependen t.Fo rmor einf ormation, consultan
au thor ized Mercedes-B enzCent er.
Multimedia system:
4 © 5
Radio #
Select TuneIn Radio.
The TuneIn menu appe ars. The last statio n
se tst ar ts pla ying .
% The connectionqu alit ydepen dson thelocal
mobile phonerecep tion. Se
tting upsatellite radio Re
quirement s:
R Satellit era dio equipment isavailable.
R Regis tration withasat ellit era dio prov ider
has been completed.
R Ifre gis tration isno tincluded whenpurchas‐
ing thesy stem, your credit cardde tails will
be requ ired toact ivat eyo ur acc oun t.
Mult imed iasystem:
4 © 5
Þ Radio 5
SiriusXM
5 Z Option s #
Select ServiceInformation.
The service information screen appear s
sho wing thera dio IDand thecur rent sub‐
scr iptio nstatus . #
Establish ate lephon econ nection . #
Followtheser vice staf f's instruct ions.
The activatio npr oce ssma yta ke up toten
minut es.
% Youcan also have thesat ellit eser vice acti‐
va tedonline. Todo so, please visithttps:/ / www
.siriusxm. com(USA)orhtt ps:/ /
www .siriusxm. ca(Canada). Music
andspor taler ts Multimedia
system:
4 © 5
Radio 5
SiriusXM 5
Z
5 Alert s
Se tting music andspor taler ts
This function enables youto progr am analer tfo r
yo ur favo rite artis ts,tr ac ks orspor tingevents.
Mu sic aler ts can besave dwhils ta trac kis being
pla yedand spor taler tscan besave ddur ing a
liv ega me. Youcan also spec ifyspor taler tsvia
th emenu option .The system then con tinuousl y
sear ches thro ugh allthech ann els. #
Seta music orspor tsaler t,to be informed of
matc hesintheLiv epr og ram.
Ac tiv atin gthe musi cin fo rm ation functi on #
ActivateMu sic Ale rts 0073.
Se ttin gamusi cale rt #
Select Add Alert. 24
8
MBUX multimedia system

No
teson tech nical data
* NO
TEMercede s-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. The
data stat ed onlyapplies tovehicles with
st andar deq uipme nt.Yo ucan obtain further
inf ormation from anaut hor ized Mercedes- Benz
Cent er. Ve
hicl eele ctroni cs Tw
o-w ayradio s No
teson installing two-w ayradio s &
WARNIN GRisk ofacci dent dueto
im proper workon two-w ayradios
If tw o-w ayradios aremanipulat edorretrof it‐
te dincor rectl y,theelectr omagne ticradiation
fr om thetw o-w ayradios caninterfere wit h
th eve hicle electr onics andjeopar dizethe
oper ating safetyof theve hicle. #
Yousho uld have all workon electr ical
and electr oniccomponent scar ried out
at aqu alif ied spec ialistwo rkshop. &
WARNIN GRisk ofacci dent dueto
im proper opera tionoftwo-w ayradios
If yo uuse two-wa yra dios intheve hicle
im proper ly,th eir electr omagne ticradiation
can disruptth eve hicle's electronics. Thisis
th ecase inthefo llo wing situat ions,in par tic‐
ular :
R The two-w ayradio isno tcon nectedto an
ex terior ant enna.
R The exterior ant enna isins talled incor‐
re ctly orisno ta low- reflect ion antenn a.
This could jeopar dizetheoper ating safetyof
th eve hicle. #
Have thelow- reflect ion exterior
ant enna installed ataqu alif ied spec ial‐
is two rkshop. #
When operating two-w ayradios inthe
ve hicle, alwaysconn ectthem tothe
lo w- reflect ion exterior ant enna. *
NO
TEInva lidation oftheoper ating per‐
mit due tofailur eto com plywith the
ins truct ions forins tallation anduse The
oper atingper mit maybe inva lidat edif
th eins truction sfo rins tallation anduseof
tw o-w ayradios areno tobser ved. #
Onlyuse appr oved freq uency bands. #
Obser vethemaximum permissible out‐
put powe rin these freq uency bands. #
Onlyuse appr oved ant enn aposition s. 320
Tech nica lda ta

1
Front roof area
2 Rear roof area
3 Rear fende rs
4 Trunk lid
On vehicles withapanor amicsliding sunroof,
ins talling anant enn ato thefront orrear roof
ar ea isno tper mitt ed. On
there ar fende rs,it is recomme ndedthat you
ins tallth eant enn aon theside oftheve hicle
closes tto thecent erofthero ad.
Use Tech nica lSpe cifica tionISO/T S21 609 (Road
Ve hicles –"EMCs forins tallation ofafte rm arke t
ra dio freq uency transmit tingeq uipment ")when
re trof itti ng two-w ayradios. Complywithth e
leg alrequ iremen tsforde tach able parts.
If yo ur vehicle hasinstalling fortw o-w ayradio
eq uipment ,use thepo we rsupp lyand antenn a
con nectors prov ided inthepr e-ins tallation .
Obser vethemanuf acturer'ssupplement swhen
ins talling.
Tw o-w ayradio transmi ssion output
The maxi mum transm ission outpu t(PEAK) atthe
base oftheant enn amus tno texc eed theva lues
in thefo llo wing table. Fr
eq uency bandandmaxim um transm ission
out put Fr
eq uency band Maximumtransm is‐
sion output
Sho rtwa ve
3 -54 MHz (1
00 W)
4 m freq uency band
74 -88 MHz (30
W)
2 m frequency band
14 4-17 4MHz (50
W)
Te rres trial Trunk ed
Ra dio (TETRA)
380 -460 MHz (1
0 W)
70 cm freq uency
band
420 -450 MHz (35
W)
Tw o-w ayradio
(2G/3G/ 4G) (1
0 W) Te
ch nica lda ta 32
1

The
follo wing canbeused intheve hicle without
re strictions :
R Two-w ayradios withamaximum transmis ‐
sion output ofup to100mW
R RFtransmi tter swit htransmi tter freq uenci es
in the380 -41 0MHz freq uency bandanda
maximu mtransmi ssionoutpu tof up to2W
(TETR A)
R Mobi lephones (2G/3G/4G)
There areno restrictions whenpos itioning the
ant enn aon theoutside oftheve hicle forsome
wa vebands.
R Terres trial Trunk edRadio (TETRA)
R 70cm freq uency band
R 2G/3G/ 4G Ra
dio ope ratin gper mits forve hicl eco mp o‐
nent s
Manuf acturer informat ionabout wireless vehicle
com ponent scan befound usingth eke yphr ase
"R adio operating per mits"intheDigit alOper a‐ to
r's Manua lin theve hicle, ontheInt erne tand
in theapp. Ve
hicl eiden tificati onplat e,VIN and engine
number overview
Ve hicl eiden tificati onplat e Ve
hicle identif ication plate(US Aonl y)
1 Maximum permissible gross vehicle weight
2 Maxim umpermissib lefront axle load
3 Maxim umpermissib lerear axle load
4 Paint code
5 VIN (vehicle identificat ion numb er) 322
Tech nica lda ta

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Key NotDetected (red dis‐
pla ymessag e) *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 trally lockth 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 e12 7).
Á
Don't ForgetYour Key *A
warning tone also sou nds. Thismes sage reminds youto take your Sm artK ey wit hyo uwhen youlea vetheve hicle.
Place theKey inthe
Marked SpaceSeeOpera-
tor's Manual *S
mar tKey detection ismal functi oning. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e12 7). Dis
play messa gesand warning/ indic ator lam ps 33
7

Ti
re pres sur emoni tor Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Tire Press. MonitorCur-
rent lyUnavailable *T
her eis int erfere nce from apo we rful radio signal sourceAs are sult, nosignals from thetir epr essur esensor sar e
being recei ved. The tirepr essur emonit oring system istemp orarily una vailable.
The tirepr essur emon itor ing system will restar taut omat icallyas soon asthecause hasbeen rectif ied. #
Drive on.
Tir ePre ss. Moni torInope ra-
tive *T
hetirepr essur emonit oring system ismalfunct ioning. &
WARNIN GThe reisarisk ofan accident ifth etir epr essur emonit oring system ismalfunct ioning
The tirepr essur emonit oring system cann otissue awa rning ifth er eis pressur eloss inone ormor eof thetir es.
Ti re swit hinsuf ficie nttirepr ess urema yim pa irth edr iving charact eristic sas wellas steer ing and braking. #
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. Tire
Pressure MonitorInop-
erative NoWheel Sensors *T
hewheels installed donotha ve suit able tirepr essur esensor s.The tirepr essur emonit oring system isdeactiv ated. #
Installwheels withsuit able tirepr essur esen sors.
0077 Wheel Sensor(s )Missin g *T
her eis no signal from thetir epr essur esensor sof one ormor ewheels. Nopressur eva lue isdispla yedfo rth e
af fect ed tire. #
Have thefa ulty tirepr ess uresen sor replaced ataqu alif ied spec ialistwo rkshop. 37
2
Display messa gesand warning/ indic ator lam ps