2020 MERCEDES-BENZ A-CLASS SEDAN key

#
Select Connect viaWPS PINInpu t.
The multime diasy stem gener ates an eight-
di gitPIN . #
Enterthis PIN onthede vice tobe con nected. #
Conf irm theent ry.
Connect ingusin gabut ton #
Select theop tion s0048 ofthedesir edWi-Fi
ne twork. #
Select Connect viaWPS PBC. #
Select "Connect viaWPS PBC"in theop tion s
on thede vice tobe con nected(see theman‐
uf actur er'soper ating instruction s). #
Press theWPS buttonon thede vice tobe
con nected. #
Select Continue inthemultimedia system.
Ac tiv atin gaut omati cco nn ectio n #
Select Connect viaWi-Fi. #
Select theop tion s0048 ofthedesir edWi-Fi
ne twork. #
ActivatePe rma nent InternetConnecti on. Co
nnectin gwi th akno wnWi-Fi #
Sele ctConnect viaWi-Fi . #
Sele ctaWi -Fi network.
The conn ection ises tablished again.
Se tting upaWi -Fiho tspo t
Mul timed iasystem:
4 © 5
Set ting s5
System
5 Wi-Fi &Bluetoot h
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 Vehicle Hotspot. #
Select Connec tDevic eto Vehicle Hotspot.
Connecting usingWPSPINgener ation #
Select Connec tvia WPS PINGeneration. #
Enterth ePIN showninthemedia displayon
th ede vice tobe con nectedand confirm .
Connect ingusin gWPS PINentr y #
Sele ctConn ectviaWPS PINInput. #
Enterth ePIN that issho wnontheex tern al
de vic e's displa yon themultimedia system.
Connecting usingabutt on #
Select Connec tvia WPS PBC. #
Press thepush buttononthede vice tobe
con nected(see themanuf acturer'soper ating
ins truction s). #
Select Continue.
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 eMB
Hot spot XXXXX networkname. #
Enterth esecur itykeywhic his sho wninthe
media display on thede vice tobe con nected. #
Conf irm theent ry. MBUX
multimedia system 285

Connect
ingusin gNFC #
Sele ctConn ectviaNFC. #
ActivateNFC onthemobile device (see the
manuf acturer'soper ating instructions). #
Bring themobile device intoth eNFC area of
th eve hicle (/page336). #
Select Finished.
The mobile device isno wconn ectedtothe
multime diasystem hotspo tvia NFC.
Gener atingane wsecur itykey #
Select Veh icleHotsp 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. Sy
stem langu age No
teson thesy stem langu age
This function allowsyouto determ ine thelan‐
guag efo rth emenu displaysand thena vig ation
announ cements.The select edlanguag eaf fects
th ech aract ersav ailable forentr y.The navig ation
announc ementsar eno tav ailable inall lan‐
guag es.Ifalang uageis no tav ailable, thena vig a‐
tion announ cementswill beinEn glish.
Se tting thesy stem langu age
Multi media system:
4 © 5
Set ting s5
System
5 00A7 Language #
Setth elanguag e.
% Ifyo uar eusin gArabic mapdata,thete xt
inf ormati oncan also be sho wninArab icon
th ena vig ation map.Todo so, select 

%
Ifth emobile phonesuppor tsthetra nsf erof
th eringt one, youwill hear theringt one of
th emobile phoneinstead ofthat oftheve hi‐
cle audi osy stem.
St arting/ stopping mobilephon evo ice recog‐
nit ion
Re quirement s:
R The mobile phonein thefo re ground iscon‐
nect edwithth emultimedia system
(/ page334).
St arting mobi lephone voice recognit ion #
Press and hold the£ 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.
% Ifamobile phoneiscon nect edvia Smar t‐
phone Integr ation, thevo ice recogni tionof
th is mobile phoneis star tedor stopped. Calls
Using
thete lephone
Multime diasystem:
4 © 5
Phone
Making acall byent ering thenum bers #
Sele ct_. #
Entera number . #
Select R.
The callismade .
Ac cep tingacall #
Select R Accep t.
Re jec tingaca ll #
Select k Reject .
En din gaca ll #
Select k.
Ac tiv atin gfunc tions dur ingacal l
The follo wing functionsar eav ailable during a
call:
k EndCall m
Microph oneOff
_ NumericKeypad (showto send DTMF
to nes)
0081 AddCall
h Transfe rto Pho ne(anacti vecal lin ha nds-
fr ee mod eis transf erredove rto thete le‐
phon e) #
Selec ta func tion.
Condu ctingcallswithse ve ralpar ticip ants
Re quirement s:
R Ther eis an act ive call (/ page338 ).
R Another call isbeing made.
Switc hingbetw een calls #
Select thecon tact.
The select edcallis acti ve.The other call is
on hold.
Ac tiv atin gacal lon hol d #
Select thecon tact of thecall onhold. 338
MBUX multimedia system

*
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. Inf
ormat iononusing apo 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- pres su re cle 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. 392
Maintenance andcare

#
Remo vesticke r2 from thetir esealant bot‐
tle and affix it nea rth eva lve on thewheel
wit hth efa ulty tire. #
Pull plug 7withth ecable andfiller hose 3
out ofthetir einf lation compressor housing. #
Inser ttir esealant bottle 9 insoc ket6 of
th etir einf lation compressor insuc hawa y
th at there dar row ontiresealant bottle 9
matc hesthere dar ro w on thetir einf lation
com pressor . #
Then turntir esealant bottle 9 aqu arter
tur nclo ckwise. #
Inser tth eplug offiller hose 3insoc ket5
of tirese alant bottle 9. #
Then turnfiller hose 3aqu artertur ncloc k‐
wis e. #
Remo vetheva lve cap from valve A onthe
fa ulty tire. #
Screw union nut4offiller hose 3onto
va lve A. #
Inser tplug 7intoa12 Vsoc ketin your
ve hicle. #
Turn theSmar tKey toposition 0047intheigni‐
tion lock. Br
ea kdo wnassista nce 40
5

#
Detach thesecur ingstra ps. #
Unhook there tainin gspr ing hook sof the
secur ingstra ps from thebr ac kets. #
Remo vetheemer gency sparewheel bagwith
th eemer gency sparewheel. #
Open theemer gency sparewheel bagand
re mo vetheemer gency sparewheel. Inflati
ngtheemer gency spar ewheel *
NO
TEOverhea ting dueto thetir einf la‐
tion compressor running toolong #
Donotru nth etir einf lation compressor
fo rlong erthan tenminu teswit hout
int erru ption. Re
quirement s:
R Com plywithth emanuf acturer'ssafetyno tes
on thest icke rof theemer gency sparewheel
and onthetir einf lation compressor .
R Remo vethetir einf lation compressor from
th estow agewe llunder thetrunk floor
(/ page403). #
Remo vesticke r1 from thetir einf lation
com pressor housing andaffix it to theins tru‐
ment clusterwit hin thedr iver's field of
vision. #
Pull filler hose 2and plug 4out ofthetir e
inf lation compressor housing. #
Inser tplug 8offiller hose 2inthesoc ket
on thetir einf lation compressor andthen
tur nit until plug8eng ages. #
Unscr ew thecap from theva lve on theemer‐
ge ncy sparewheel. #
Screw union nut3offiller hose 2ontoth e
va lve. #
Mak esur eon and offswitc h5 ofthetir e
inf lation compressor issetto 0. #
Inser tplu g4 inasoc ketin your vehicle.
R 12Vsoc ket(/ page 108).
R Observeth eno teson soc kets (/ page 108). #
Turn theSmar tKey toposition 0047intheigni‐
tion lock. #
Press onand offswitc h5 onthetir einf la‐
tion compressor toI.
The tireinf lation compressor isswitc hedon.
The tireis inf lated. The tirepr essur eis
sho wnonpressur ega ug e6. 45
4
Whee lsand tires

#
Pum pth etir eto thespecif iedtirepr essur e.
The specif iedtirepr essur eis stat ed on the
label oftheemer gency sparewheel. #
When thespecif iedtirepr essur ehas been
re ac hed, press onand offswit ch5 onthe
tir einf latio ncom pres sor to0.
The tireinf lation compressor isswitc hedoff. #
Turn theSmar tKey toposition 005Aintheigni‐
tion lock. #
Ifth etir epr essur eis higher than thespeci‐
fi ed pressur e,press pressur ere lease valve
bu tton 7 unti lth ecor rect tirepr ess ureha s
bee nre ac hed. #
Unscr ew unio nnut 3offiller hose 2from
th eva lve. #
Screw theva lve cap oftheemer gency spare
wheel ontoth eva lve ag ain. #
Stow filler hose 2and plug 4inthelowe r
section ofthecom pressor housing. #
Stow thetir einf lation compressor inthe
ve hicle. Wheels
andtires 455

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Ensur e,bo th bef oreand during thejour ney,that thest atus ofthefront passeng erairbag iscor rect.
NEVER useare ar wa rdfacing child restra int onaseat protect edbyan ACTIVE AIRBAGinfront ofit,DE ATHor
SERIOU SINJU RYtotheCH ILD can occur . #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
Checkth est atus oftheaut omatic front passeng erairbag actuation (/page45). #
Ifneces sary,consu ltaqu alif ied spec ialistwo rkshop immediat ely.
PRE-S AFEInoperat iveSee
Operator's Manual *
The PRE‑S AFE®
funct ionsaremalfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop. Smar
tKey Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Obtain aNew Key *T
heSmar tKey nee dstobe replaced. #
Consult aqu alif ied spec ialistwo rkshop. 47
2
Display messa gesand warning/ indic ator lam ps