2023 MERCEDES-BENZ A CLASS warning

Calling
upt Calling
upthe Digit he
Digit alOper al
Oper at at
or's Manual or's
Manual
Multimedia system:
4 © 5
Info 5
Operator's Manual
5 Õ The
Digit alOper ator's Manual describesthefunc-
tions andoper ation oftheve hicle andthemulti-
media system. #
Select oneofthefo llo wing menu items inthe
Digit alOper ator's Manual:
R Search: searchforke yw ords inorder to/nd
qu ick answ ersto question sabout theoper a-
tion oftheve hicle. R
Quickstar t:her eis wher eyo u/n dth e/r st
st eps towa rdsse tting up your vehicle.
R Tips: /nd informatio nth at prepar esyoufo r
cer tain everyda ysituations withyo ur vehicle.
R Anima tions:wa tchanima tionsoftheve hicle
fu nct ions.
R Mes sages: receiv eadditi onalinformation
about themessag esintheInstr ument Display.
R Bookma rks:gain acces sto your per sonall y
sa vedbookmar ks.
R Langua ge:select thelanguag efo rth eDigit al
Oper ator's Manual. 1
Back
2 Adds bookmar ks
3 Pictu re
4 Cont ents section
5 Directions ofmo vement ofcont ents section
6 Men u
Some sections intheDigit alOper ator's Manual,
suc has warning notes, can beexpanded andcol-
lapsed.
A A
dditional met dditional
methods ofcalling upt hods
ofcalling upthe Digit he
Digit alOper - al
Oper -
at at
or's Manual: or's
Manual: 2020
Digit
alOper ator's Manual

Fo
rth efo llo wing, alwaysha ve your vehicle
ch eckedat an aut hor ized Mercedes-Benz Center:
R Safety-re leva nt wo rks
R Serviceand maintena nce work
R Repair work
R Mod i/catio nsaswellas inst allations andcon-
ve rsions
R Workon electr oniccomponent s
Mer cedes‑Ben zre commen dsaMer cedes‑B enz
ser vice center. Cor
r Cor
rect use oft ect
use ofthe v he
vehicle ehicle
If yo ure mo veanywa rning stickers,yo uor other s
could failto recogn izecertain dang ers. Lea ve
wa rning stickers inposition.
Obser vethefo llo wing information inpar ticular
when driving your vehicle:
R The safetyno tesin this Oper ator's Manual,
ve hicle-spe ci/csuppl emen tsand further sup-
pleme ntar ydocume nts
R Tech nica ldat afo rth eve hicle R
Tra1c rules and regula tions
R Laws and safetyst an da rdsper taining tomo tor
ve hicles NNo o
t t
es f es
for per or
per sons wit sons
withelect r h
elect roni cmedic alaids oni
cmedic alaids
Mer cedes- BenzAG canno t,despit ecar efully
de veloping vehicle systems, completely rule out
th eint eraction ofvehicle systems withelect ronic
med icalaid ssuc has cardiac pacema kers.
In addit ion,th er ear ecom ponents installed inthe
ve hicle that, rega rdless oftheoper ating status of
th eve hicle, cangener atema gne tic/elds onapar
wit hper manent magne ts.Thes e/e lds canbe
fo und, forex am ple, inthear ea around themulti-
media andsound system oralso inthear ea ofthe
seats, dependingon theve hicle equipmen t.
Fo rth is reason, thefo llo wing canoccur inisolat ed
cases ,depending ontheaids used:
R Medical aidsmalfunctionin g
R Adversehealt he.ect s
Obser vetheno tesand warnings ofthemanuf ac-
tur erofthemedical aids;ifin doubt, contactthe de
vice manuf acturerand/or your doct or.If th er e
is continuin guncer tainty concer ningthepossibil-
ity ofmedical aidsmalfunctionin g,Mer cedes-
Benz AGrecommen dsusing onlyfew electr ical
ve hicle systems and/ ormain taining adist ance
fr om thecom ponents.
Onl yha ve repair sand maint enance workinthe
ar ea ofthefo llo wing components carried out ata
qu ali/ed special istwo rkshop:
R Vehicle compone ntscar rying livevo ltag e
R Transmi ssionantenn a
R Mul time diasystem and soun dsy stem
If yo uha ve anyquer iesorsugg estio ns, consu lta
qu ali/ed special istwo rkshop. PrPr
oblem swit oblem
swit hy h
your v our
vehicle ehicle
If yo ushould exper ience apr oblem withyo ur vehi-
cle, particu larlyone that youbelie vema ya.ect its
saf eoper ation, weurge youto cont actanaut hor -
ize dMer cedes-B enzCent erimmedi atelyto have
th epr oblem diagnosed andrecti/ed. Ifth epr ob-
lem isno tre sol vedto your satisf action, please
discuss thepr oblem again withan aut hor ized Gener
alno tes
29 29

RR
es estr tr
aint syst aint
system function ality em
function ality When
theve hicle isswitc hedon,aself -tes tis per -
fo rm ed, during whic hth e0075 restr aint system
wa rning lamplights up.Itgoes outnolater than a
few secon dsaTer theve hicle isstar ted. The com-
ponent sof there str aint system areth en func-
tional. Malfunction
ingr Malfunction
ingres estr tr
aint syst aint
system em
A
malfunction hasoccur redin there str aint sys-
te m if:
R The 0075 restr aint system warning lampdoes
no tlight upwhen theve hicle isswitc hedon
R The 0075 restr aint system warning lamplights
up continuousl yor repeat edlydur ing ajour ney &
W W
ARNIN G ARNIN
GRisk ofinju rydue tomalfun c-
tions inthere str aint system
Co mp onent sin there str aint system maybe
acti vatedunint ention allyor notdeplo yas plan-
ned inan accident. #
Have there str aint system checkedand
re pair edimmediat elyat aqu ali/ed spe-
ciali stwo rkshop. FF
unct ionoft unct
ionofthe r he
res es
tr tr
aint syst aint
system inan acciden t em
inan acciden t Ho
wthere str aint system worksis de term ined by
th ese verity of theim pact detected and thetype
of accident anticipated:
R Front alim pact
R Rear impact
R Side impact
R Rollover
The activati on thre sholds forth ecom ponents of
th ere str aint system arede term ined based onthe
ev aluat ionofthesensor values measured atvari-
ous points intheve hicle. Thisprocess ispre-e mp -
tiv ein natur e.The trigg ering/deplo ymentofthe
com pone ntsofthere str aint system musttake
place ingood timeatthestar tof thecollision.
Fa ctor swhic hcan onlybe seen andmeasur ed
aTer acollisi onhas occur reddo notpla ya deci- siv
ero le in thedeplo yment ofan airbag. Nordo
th ey prov ide anindication ofairbag deployment.
The vehicle maybe def ormed signi/cantl ywit hout
an airbag beingdepl oyed.This isthecase ifonl y
par tswhic har ere lativ elyeasil ydef ormed are
a.ec tedand thera te of vehicle decel eration is
no thigh. Conversely, an airbag maybe depl oyed
ev en though theve hicle su.er sonl ymin ordef or-
matio n.Ifve ry rigid vehicle partssuc has lon gitu-
din almembe rsarehit, this ma yre sult insu1-
cientl yhigh leve ls of vehicle decel eration .
Depen dingon thede tected deplo yment situation,
th ecom ponents ofthere str aint system canbe
ac tiva tedor deplo yedindepende ntlyof eac h
ot her :
R Emer gency Tensio ning Device :fr ont alim pac t,
re ar impact, sideimpact, rollo ver
R Driver's airbag, front passeng erairbag: front al
im pact
R Knee airbag: front alim pact
R Side airbag: sideimpact
R Windo wcur tain airbag: sideimpact, rollo ver,
fr ont alim pa ct 3838
Oc
cupa nt safety

#
Alwayseng ageseat belttongue 2oftheseat
belt intoseat beltbuckle1 ofthecor re-
spond ingseat.
% Aseat beltcanonlypr ov ide thebest leve lof
pr otection ifit is wo rncor rectl y.Obser vethe
no teson fasteni ng theseat belt(/page39). *
N NO O
TE TE
Deplo yment ofcom ponents ofthe
re str aint system when thefront passeng er
seat isunoccupied andaseat beltis
buc kled When
thefront passeng erseat isunoccupied
and theseat belttongue oftheseat beltis
eng aged intheseat beltbuckle, com ponents
of there str aint system maydepl oyunnecessa-
ri ly on thefront passeng erside, e.g.theEmer -
ge ncy Tensio ning Device . #
Onlybuc kletheseat belts asintended. %
Obser vetheno teson stor ag ear eas
(/ page100).
Inf ormatio non installing ach ild restr aint sys-
te m and onchildr entrav eling intheve hicle
can befound inthe"Childr enintheve hicle"
secti on(/ page55) . Se
atbelt adjus Se
atbelt adjustmen tfu nct ion tmen
tfu nct ion VV
ehicle swit ehicle
swit hPR E-S h
PR E-S AFE AFE
® ®
: :
ATer afront seat belt
has been fastene d,theaut omatic seatbeltadjust- ment
mayappl ya cer tain tight ening forc e. Do not
hold theseat belttightl ywhile itis adjusti ng.
Yo ucan activ ateand deactiv ateth eseat belt
adjustmen tfunction usingthemultimedia system
(/ page42). AA
ctiv ctiv
ating/deactiv ating/deactiv
atingseatbeltadjus ating
seatbeltadjustmen tvia tment
via
t t
he multimedia syst he
multimedia system em
Multimedia
system:
4 © 5
Settings 5
Vehicle #
Activateor dea ctivateBelt Adjustmen t. RR
elea sing seatbelts elea
sing seatbelts #
Press there lease buttonintheseat belt
buc kleand guide theseat beltbackwit hth e
seat belttongue. Seat
beltw Seat
beltwar ar
ning functi onf ning
functi onfor t or
the dr he
driv iv
er and fr er
and front ont
pas seng pas
seng er er
The
00E9 seatbelt warning lampin theInstr u-
ment Displa yis are minder that all vehicle occu-
pant smus twe artheir seat belts correctl y. 4242
Occupa
ntsaf ety

The
00E9 seatbel twa rning lamplights upforsix
seconds everytime theve hicle isstar ted.
In addition, awa rning tone maysou nd.
Whe nth edr iver's andfront passeng er'sdoor sar e
closed andthedr iver and front passeng erhave
fa stene dth eir seat belts, theseat beltwarning
goes out.
In thefo llo wing cases ,th eseat beltwarning lights
up dur ing ajour neyif:
R The vehicle speed exceeds 15mph(2 5km /h)
an dth edr iver's orfront passeng erseat beltis
no tfa stene d.
R Thedr iver or fron tpa sseng erunfast enstheir
seat beltwhile theve hicle isin mo tion . Air
bags Air
bags OvOv
er er
vie vie
wof airbag s w
of airbag s 1
Driver's knee airbag
2 Driver's airbag
3 Front passeng erairbag
4 Front passeng erknee airbag
5 Windo wcur tain airbag
6 Side airbag
The installation location ofan airbag isident i/ed
by theAIRB AGsymbol.
When enabled,anairbag canprov ide additional
pr otection forth ere specti vevehicle occupan t.Po
tential protection prov ided byeac hairbag:
R Knee airbag: thigh, knee andlowe rleg
R Driver's airbag, front passeng erairbag: head
and ribcag e
R Windo wcur tain airbag: head
R Side airbag: ribcag eand pelvis
* N NO O
TE TE
Mer cedes- AMGvehicles #
Obser vetheno tesin theSupplement.
Yo ucould other wise failto recogn ize
dang ers. &
W W
AR NIN G AR
NIN GRisk ofinjuryor deat hifth eco-
dr iver airbag isenabled
If th eco-dr iver airbag isenabled, ach ild on
th eco-dr iver seat maybe struckby theco-
dr iver airbag during anaccident.
NEVER useare ar wa rd-faci ng child restr aint
sy stem onase at with an ENA BLED FRONT
AIR BAG; DEA THorSER IOUS INJUR Yto the
CH ILD ca nocc ur. Occ
upantsafety
43 43

Self
-t Self
-tes est
ofaut t
of autom atic fr om
atic front passeng ont
passeng erairb ag shut- er
airb ag shut-
o. o.
Wh entheve hicle isswitc hedon,aself -tes tis per -
fo rm ed dur ing whic hth etw oPA SSENGE RAIR
BA GON and OFFind icat or lamp slig ht up simul ta-
neous ly.
The statu sof thefront passeng erairbag isdis-
pla yedvia thePA SSENGE RAIR BA Gind icat or
la mp saTer theself-t est:
R ON islit: ON
islit: thefront passeng erairbag may
deplo ydur ing anaccident.
The indicat orlam pgoes outaTer 60seconds.
R ON and OFF ar ON
and OFF areno e
no tlit: t
lit: thefront passeng er
airbag maydeplo ydur ing anaccident.
R OFF islit: OFF
islit: thefront passeng erairbag isdisa-
bled. Itwill then notbe deplo yedin theev ent
of an accident.
If th ePA SSENGE RAIR BA GON indicat or lamp is
o., onlyth ePA SSENGE RAIR BA GOF Find icat or
la mp showsthestatus ofthefront passeng erair-
bag. ThePASSENGE RAIR BA GOF Find icat or lamp
ma ybe litcontin uouslyor be o.. If
th ePA SSENGE RAIR BA GOF Find icat or lamp
and the0075 restr aint system warning lamplight
up simult aneousl y,thefront passeng erseat may
no tbe used. Alsointhis case, donotinst alla
ch ild restr aint system onthefront passeng er
seat. Have theaut omatic front passeng erairbag
shut o.checkedand repair edimmediat elyat a
qu ali/ed special istwo rkshop.
S S
t t
atus displa y atus
displa y
If th efront passeng erseat isoccupied, ensure,
bo th bef oreand during thejour ney,that thesta-
tus ofthefront passeng erairbag iscor rect forth e
cur rent situ atio n.
AT er AT
erinst inst
alling ar all
ing arear w ear
war ar
d-f d-f
acing c ac
ing chil dr hil
dres estr tr
aint aint
sy st sy
stem ont em
onthe fr he
front passeng ont
passeng ersea t er
sea t: :
PA SSENGE R
AI R BA GOF Fmu stbe litcontin uously. &
W W
ARNI NG ARNI
NGRisk ofinjur yor fata linjur y
when usingare ar wa rd-faci ng child
re str aint system while th eco-dr iver airbag
is enabled
If yo usecur each ild inare ar wa rd-faci ng child
re str aint system ontheco-dr iver seat andthe
PA SSENGE RAIR BA GOF Find icat or lamp is o.,
theco-dr iver airbag candeplo yin the
ev ent ofan accident.
The child could bestruckby theairbag. #
Alwaysensu rethat theco-dr iver airbag is
disabled. ThePASSENGE RAIR BA GOF F
ind icat or lamp must belit. #
NEVER useare ar wa rd-faci ng child
re str aint system onase at with an ENA -
BL ED FRONT AIRBAG; DEA THorSER I-
OUS INJUR Yto theCHILD canoccur . When
installing ach ild restr aint system onthe
fr ont passeng erseat,ob serveth eve hicle-spe ci/c
inf ormatio n(/ page61).
Depen dingon thech ild restr aint system andth e
st at ur eof thech ild, thePA SSENGE RAIR BA GOF F
ind icat or lamp maybe o.. Inthis case, donot
inst allthere ar wa rd-faci ng child restr aint system
on thefront passeng erseat.
Inst ead, installth ere ar wa rd-faci ng child restr aint
sy stem onasu itab lerear seat.
ATer ATer
inst ins
tallin gaf allin
gafor w or
war ar
d-f d-f
acing c acing
child r hild
res es
tr tr
aint sy aint
sys- s-
t t
em ont em
onthe fr he
front passen g ont
passen ger seat er
seat: :
depen dingon
th ech ild restr aint system andth estatur eof the 4848
Occupa
ntsaf ety

#
T T
o switc o
switc hon t h
on the v he
vehicle: ehicle:
press button1
twice.
Indicat orand warning lampsgo on inthe
inst rument cluster.
The vehicle isswitc hedo.again ifone ofthefo l-
lo wing conditions isme t:
R V V
ehicles wit ehicles
withaut h
aut omatic tr omatic
transmiss ion: ansmiss
ion:Youdo
no tst ar tth eve hicle within 15min utes and the
tr ansm ission isin pos ition 005Dortheelectr ic
par king brak eis applied.
R Youpr ess button1 once. SS
t t
ar ar
ting t ting
the v he
vehicle ehicle
SS
t t
ar ar
ting t ting
the v he
vehicle wit ehicle
witht h
the st he
star ar
t/s t t/s
top butt op
butt on on
&
D D
AN AN
GER GER
Riskoffata linjur iescaused by
ex haus tga ses
Combu stion enginesemit poison ousexhaus t
ga ses, suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealth
and leads topoisoning . #
Neverru nth eve hicle and,ifpr esen t,the
st at iona ry heat erind oor swit hout su1-
cient ventila tion. &
W W
ARNI NG ARNI
NGRisk of/redue to0amma ble
mat erial intheengine compartment orthe
ex haus tsy stem
Flammab lemat erials mayign ite. #
Ther efor e, checkre gula rly th at ther ear e
no 0amma blemat erials intheengine
com partment oron theex haus tsy stem. RR
eq eq
uir uir
emen ts: emen
ts:
R The Smar tKey isin theve hicle andisrecog-
niz ed. #
ShiT thetransmission toposition 005Dor005C. #
Depr essthebr ak epedal andpress button1
once. #
Ifth eve hicle does notst ar t:switc ho. non -
essen tialconsu mersand press button1
once . #
Ifth eve hicle still does notst ar tand thedis-
pla ymessag ePlace theKey inthe Marked Space
SeeOperator's Manualappear sin the
inst rument displa y:sta rttheve hicle withth e
Sma rtKe yin themar kedspace (emergency
ope ration mode )(/ page129).
% Youcan switc ho. theve hicle while drivi ng .To
do this, press button1 forabout thre esec-
onds orby pressing button1 thre etimes
wit hin thre eseconds. Besureto obser vethe
saf etyno tesund er"Dr iving tips"
(/ page132).
Obser veanyinf ormatio nre ga rding displa ymes-
sag esthat can bedispl ayed on theinst rument
displa y.
S S
t t
ar ar
tin gt tin
gthe v he
vehicle wit ehicle
witht h
the Smar he
Smar tKe tK
ey in t y
in the he
mar k mar
ked space (emerg ed
space (emergency oper ency
operationmode) atio
nmode)
If th eve hicle does notst ar tand thePlace the
Key inthe Marked SpaceSeeOperator's Manual
messag eappear sin theinst rument displa y,yo u
can star tth eve hicle inemer gency operation
mode . Dr
iving andparking
129 129

FF
unctions ofABS unctions
ofABS The
Anti-loc kBr ak eSy stem (ABS) regula testh e
br ak epr essur ein critical driving situations:
R Dur ingbraking, forinst ance, atmaximum full-
st op braking orifth er eis insu1c ienttiretrac-
tion, thewheels arepr ev ent edfrom locking.
R Vehicle steer abili tywhile braking isensu red.
If ABS interve nes when brak ing, youwill feel a
pulsing inthebr ak epedal. Thepulsating brak e
pedal canbeanindication ofhazar dous road con-
dit ion sand canserveas are minder totake extra
car ewhi ledriving.
Sy st Sy
stem limits em
limits
R ABS isacti vefrom speed sof appro x.3mp h
(5 km/h ).
R ABS maybe impai redor ma yno tfun ction ifa
malfuncti onhas occur redand theye llo w0025
ABS warning lamplights upcontinuousl yaTer
th eve hicle isstar ted. FF
unction ofB unction
ofBAS AS
&
W W
ARNIN G ARNIN
GRisk ofan accident causedbya
malfun ctioninBAS (BrakeAssi stSystem)
If BAS ismalfunctioning, thebr aking distance
in an emer gency brak ing situatio nis
incr eased. #
Dep ress thebr ak epedal withfull forc ein
emer gency brak ing situatio ns.ABS pre-
ve nts thewheels from locking. The
Brak eAssist System (BAS)suppor tsyour
emer gency brak ing situatio nwit hadd itional brak e
fo rc e.
If yo udepr essthebr ak epedal quickl y, BAS is
activ ated:
R BAS automati callyboos tsthebr ak epr essur e.
R BAS canshor tenth ebr aking distance.
R ABS prev ents thewheels from locking.
The brak es will function asusual onceyoure lease
th ebr ak epedal. BASisdeactiv ated. FF
unctions ofESP unctions
ofESP ® ®
&
W W
ARNIN G ARNIN
GRisk ofskidding ifESP ®
is
deactiv ated
If yo udeactiv ateESP ®
,ESP ®
canno tcar ryout
ve hicle stabili zation . #
ESP ®
should onlybe deact ivat ed inthe
fo llo wing situations. *
N NO O
TE TE
Mer cedes- AMGvehicles #
Obser vetheno tesin theSupplement.
Yo ucould other wise failto recogn ize
dang ers. The
Electr onicStabili tyProg ram (ESP ®
)can moni-
to rand improv edr iving stability andtraction in
th efo llo wing situations within physical limits:
R When pulling awayon wetor slip peryro ad.
R When braking . Dr
iving and parking
157 157