2022 MERCEDES-BENZ A CLASS radio

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

ESP
®
Cr osswi ndAssis t.................................1 55
ESP ®
(E lec troni cSt abil ityProg ram) ...... 154
Ac tivati ng/d eactiv ating ........... ........... .155
Fu nctio n/no tes ................................... 154
Ext erior light ing
see Ligh ts
Ext erior light ing(car e)............................ 261
Ext erior mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 117, 118
Anti-g lare mode (automatic) .................118
Au tomatic mirrorfo lding function ........ 120
Fo lding in/out ...................................... 117
Oper ating thememor yfunc tion ............ 98
Pa rking posit ion...................................1 19
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 117 F
Fa tig ue detection
see ATTENTION ASSIST
Fi rs t-aid kit(sof tsi ded) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> ....266
Fl at tire <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>.........266
Ch ang ingawh eel<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> ...........311
MOExt ended tires ................................ 267 No
tes .................................................. 266
TIREFIT kit...........................................2 68
Flat towing
see Tow- bar system
Floor mats................................................ 107
Fo ilco vering
Ra dar and ultrasonic sensors........ ...... 152
Fr ee sof tware ............................................ 35
Fr eq uencies
Tw o-w ayradio ................................ ...... 321
Fr ont airbag (driver ,fr ont passeng er).....4 2
Fr ont passeng erseat
see Seat
Fu el ...........................................................3 26
Ad ditiv es........................................ .....3 26
E1 0 ....... .......................................... ..... 325
Fu elreser ve <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 326
Ga sol ine <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 325
Qua lity (gas oline )<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 325
Re fuel ing ............................................. 142
Sul fur cont ent <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 325
Ta nk cont ent <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> .............326Fu
nction seat
see Door controlpanel
Fu ses ........................................................ 283
Bef orere placing afuse ........................ 283
Fu se assignment diagram...................2 83
Fu se boxin theengine compartmen t.. 284
Fu se boxin thefront -passen gerfo ot ‐
we ll...................................................... 285
Fu se boxin thetrunk ........................... 286
No tes .................................................. 283
Fu ses
see Fuses G
Gar agedoor opener
Clea ring thememor y........................... 148
Opening orclosing thedoor ................1 47
Pr ogr amming buttons .......................... 145
Re solving problems ............................. 147
Sync hronizi ngthero lling code .............1 47
Gasoli ne...................................................3 25
Gear shiftre comm endation .................... 140
Genuin epar ts............................................ 22 406
Index

Ins
trum ent Disp lay
Fu nctio n/no tes ................................... 202
Ins trument cluster ...... ........................... 10
Wa rning/ indic ator lam ps................ .....3 79
Ins trument Displa yand on-b oard
co mp uter
Fu nctio n/no tes ...... ............................. 201
Int ellig entLight System
Ad aptiveHig hbeam Assis t.............. .....1 12
Cor nering light <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ............112
Int erior ligh ting........ ................................ 114
Ad jus ting ............ .................................. 114
Ambi entlighti ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> ...............114
Re adin glam p.......................................1 14
Swi tch-of fdel aytim e........... ................115
Int erior motion sensor
Ac tivati ng/d eactiv ating ........... ..............86
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 86
In te rn et radio
see TuneIn
iP hon e®
see Sma rtphone integratio n J
Jac k
St or ag elocation .............................. ..... 310
Jum p-startconne ction ............................2 76
Gene ralno tes ...................................... 274 K
KEYLESS- GO
Loc kingth eve hicle ........................ ........ 70
Pr oblem .................................................7 1
Un loc kin gse tting ............................ .......6 7
Un loc kin gth eve hicle ............................7 0
Kic kdow n.................................................. 141
Using ................................................... 141
Knee airbag ................................................ 42 L
Label ing(tires)
see Tire labeling
Lam p
see Interior light ing
Lam ps(Ins trum ent Displa y)
see Warning/ indic ator lam ps Lane
detection (automatic )
se eAc tiveLa ne Keeping Assist
Lane Keeping Assist
see ActiveLa ne Keeping Assist
LA TC H-type (ISOFI X)child seat secur‐
ing system
In stallin g................................................ 56
Light switch
Ov ervie w ............................................. 109
Light ing
see Inte rior lighting
see Lights
Lights .......................................................1 09
Ad aptiveHig hbeam Assis t...................1 12
Au tomatic driving lights..... .................. 110
Comb inationswit ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 110
Cor nering light <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> .............112
Haza rdwa rning light s...........................1 11
High beam............ ...............................110
High -beamflasher ................................ 110
Light switch..... .................................... 109
Lo w-beam headlam ps.........................1 09
Pa rking light s.......................................1 09
Re ar foglam p...................................... 109 408
Index

Re
star tin gth etir epr essur emonit or‐
ing system ...........................................2 93
Ro tating ........... ........... ...................... ...310
Sel ectio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 307
Sno wch ains ........................................ 288
Spe edrating ........... .............................302
St or ing .................................................3 10
Te mp eratur egr ade .............................. 299
Ti re and Loadi ngInfo rm atio nplacar d
.. ...................................................... .....2 95
Ti re pressur e(no tes) ........................... 288
Ti re pressur eloss warning system
(funct ion)............................................. 294
Ti re pressur emonit oring system
(funct ion)............................................. 291
Ti re pressur eta ble .......................... .... 290
Ti re Qua lityGradi ng .......... ................... 299
Ti re size designation ............................3 02
TIREFIT kit....... ....................................268
Tr act ion grade ................................ .....2 99
Tr ead weargrade ............................ .....2 99
Un usual handlingch aract eristic s.........2 87
To ol
see Vehicle tool kit
To pTe ther .................................................. 58 To
uc hCon trol
On-board computer ...... ....................... 203
Oper ating .............................................210
To uc hpad ..................................................210
Oper ating ............................................. 210
To uc hscr een(media display)
Oper ating .............................................210
To w- aw ay alar m
Ac tivati ng/d eactiv ating ........... ..............85
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>85
To w- bar system .......................................2 00
To w- star ting .............................................283
To wing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 279
To wing eye
Ins talling .............................................. 282
St or ag elocation .............................. ....2 82
To wing methods ...................................... 278
Tr actio ngr ade ......................................... 299
Tr af fic inf orma tion
Swit ching onthedispla y.................. ....2 25
Tr af fic Sign Assis t.................................... 178
Fu nctio n/no tes .................................... 178 Se
tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 179
Sy stem limit ations ...............................1 78
Tr ansmis sion(pr obl em) .......................... 139
Tr ansmis sionposi tion displa y....... .........137
Tr anspo rting
Ve hicle .................................................2 81
Tr ead weargrade .....................................299
Tr im element (Care)................................ 263
Tr unk lid
Clo sing ...................................................74
Emerg encyrelease (from insid e)............ 76
HANDS-FREE ACCES S...........................7 5
Opening .................................................7 3
Opening dimensions ............................3 30
Tu neIn .......................................................2 47
Callin gup .............................................2 47
Tu rn signal indicat or................................ 110
Tu rn signal light
Ac tivati ng/d eactiv ating ........... ............110
Tw o-w ayradio s
Fr eq uencies ......................................... 321
No teson installation ...........................3 20 Inde
x41
9

Tr
ans miss ionoutput (max imum ).... ...... 321 U
Un loc king setting .... .................................. 67
Up dat es
Im por tant system updat es...................2 18
USB port
Re ar passe nger com partment .............1 05 V
Ve hicl e...... ................................................ 127
Ac tivati ng/d eactiv ating standb y
mode ...... .............................................1 51
Collis iondetection (parking) .......... ...... 150
Cor rect use <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ..............28
Dat aacq uisiti on <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> .......30
Dat ast or ag e ............ .............................. 30
Diagnos ticsconn ection .................. .......2 7
Eq uipme nt............ ................................. 23
Li mit edWarrant y...................................3 0
Loc king (automatical ly)..........................7 1
Loc king (from inside )..... .................... .... 70
Loc king (KEYLESS-GO) .................... ......7 0
Loc king/unloc king(emerg encykey) ...... 72 Lo
we ring <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>316
Maint enance .......................................... 24
Medical aids.................................... ...... 28
Pa rking foran extende dpe riod ............ 150
Pr oblem notification ........................ ...... 29
QR code rescue card..................... ........ 30
Quali fied specialis two rkshop ................2 8
Ra ising .................................................3 12
St andb ymode function .................. ...... 151
St artin g(eme rgency operation
mode) .................................................. 127
St artin g(R emo teOnline) ............... ...... 128
St artin g(sta rt/s topbutt on) ............ .....1 26
Switc hingoff(s ta rt/s topbutt on) .... .... 144
To wing .................................................2 00
Un loc kin g(fr om insid e).................. .......7 0
Un loc kin g(KE YLE SS-GO) ................ .......7 0
Ve ntil ating (co nve nience openi ng) ......... 78
Ve hicl edata
Displ aying (DYN AMI CSE LECT) ...... ...... 136
Ro ofload ............................................. 331
Tu rning radius ...................................... 330
Ve hicle height ................................. ..... 330
Ve hicle length...................................... 330
Ve hicle width................................. ...... 330 Wheelbase
...........................................3 30
Ve hicl edata stor ag e
Ev ent data recor der s<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .34
MBUX multimedia system/Mer cedes
me connect ...........................................3 4
Ve hicl edimens ions...... ...........................330
Ve hicl eele ctroni cs
No tes .................................................. 320
Tw o-w ayradios .................................... 320
Ve hicl eiden tificati onnumber
see VIN
Ve hicl eiden tificati onplat e...... ..............322
Pa int code ...........................................3 22
VIN ...................................................... 322
Ve hicl eint erior
Coo ling orhea ting (Remo teOnline) ..... 128
Ve hicl eke y
see Smar tKey
Ve hicl emaint enance
see ASSYSTPL US
Ve hicl eoper ation
Outsi detheUS Aor Canada ...................2 4 420
Index