2023 MERCEDES-BENZ A CLASS ECU

RR
emo emo
ving/ inser ving/
insertingt ting
the emer g he
emer gency key ency
key RR
emo emo
ving t ving
the emer g he
emer gency key ency
key #
Press release button1.
Emer gency key2 ispushe dout slightly. #
Pull outeme rgency key2 untiliten gage sin
th eint ermediat eposition.
% Depending ontheve hicle' seq uipme nt,th e
int ermediat eposition isno tav ailabl e. #
Press release button1 again and fully
re mo veemer gency key2. Inse
r Inse
rtin gt tin
gthe emer g he
emer gen cy key ency
key #
Press release button1. #
Inser temer gency key2 totheint ermediat e
position orfull yuntil iteng ages.
% Youcan usetheint ermediat eposition of
emer gency key2 toatt achth eSmar tKey to
a ke yring. RR
epla cing t epla
cing the Smar he
Smar tKe tK
ey bat t y
bat ter y er
y &
D D
AN AN
GER GER
Riskoffata linjur iesdue tosw al-
lo wing batteries
Bat teries cont aintoxicand corrosiv esubs tan-
ces .Sw allow ing batt eries maycause severe
int ernal burnstooccur within twohour s.
Ther eis arisk offata linjur y. #
Keep batt eries out ofthere ac hof chil-
dr en. #
Ifth ecap and/or thebatt erycom part-
ment doesnotclose securely, do notuse
th eSmar tKey anylon gerand keep out of
th ere ac hof childr en. #
Ifbatt eries aresw allo wed,seek medical
att ention immediat ely. +
ENVIR ENVIR
ONMENT ONMENT
ALNO AL
NOTE TE
Environmen tal
damag edue toimproper disposa lof bat-
te ries Batt
eries cont ainpollut ants. Itis
illeg alto dispose ofthem withth ehousehold
ru bbish. #
Dispose
ofbatt eries inan
en vironment allyre sponsi blemann er.
Ta ke disc hargedbatt eries toaqu ali/ed
special istwo rkshop ortoacolle ction
poin tfo rused batteries. RR
eq eq
uir uir
ements: ements:
R Youre qu ire aCR 2032 3V cell battery. 6868
Opening
andclosing

Closing
t Closing
the tr he
trunk lid unk
lid &
W W
ARNIN G ARNIN
GRisk ofinjur yfrom unsecur ed
it ems intheve hicle
If obj ects, luggage orloads areno tsecur edor
no tsecur edsu1cient ly,th ey could slip,tip
ov er or be thro wn aroun dand ther eb yhit vehi-
cle occupan ts.
Ther eis arisk ofinjury, par ticular lyin the
eve ntofsud den brak ing orasud den chang e
in dir ecti on. #
Alwaysst ow objects insuc hawa yth at
th ey canno tbe thro wn aroun d. #
Beforeth ejour ney,secur eobj ects, lug-
ga ge orloads agains tslipping ortipping
ove r. Obser
vetheno teson loadin gth eve hicle.
N No o
t t
es on closin gt es
on closin gthe tr he
trunk lid: unk
lid:your vehicle is
eq uipp edwithaut omati cSmar tKey recogn ition.If
a Smar tKey belongin gto theve hicle isde tected in
th eve hicle, thetrunk lidwill notbe lockedand will
pop open again. No
tethat thetrunk lidwill notbe lockedifth efo l-
lo wing situation occurs:
R Youha ve loc kedth eve hicle andclose the
tr unk lidwhi leaSmar tKey belongin gto the
ve hicle isinsi detheve hicle.
and
R Asecon dSmar tKey belongin gto theve hicle is
no tde tected outsi detheve hicle.
Au tomatic SmartKey recogn itionis onl yan aid
and isno ta subs titutefo ryo ur att entiv eness. #
Beforeloc king, ensur eth at atleas tone
Smar tKey belongin gto theve hicle isoutsi de
th eve hicle. #
T T
o close t o
close the tr he
trunk lid: unk
lid:pull thetrunk liddown-
wa rdsusin gth ehandle recess andpush it
closed. HA
NDS- FREE A HA
NDS- FREE ACCES Sfun ction CCES
Sfun ction Wi
th HAND S-FREE ACCESS youcan open the
tr unk lidbyper form ing akic king movement under
th ebum per.
Obser vetheno teswhen openingthetrunk lid
(/ page74). Opening
andclosing
75 75

&
W W
ARNI NG ARNI
NGRisk ofbur nscause dby aho t
ex haus tsy stem
The vehicle exhaus tsy stem can become very
ho t.Ifyo uuse HANDS-FR EEACCESS, you
could burnyo urself bytouc hing theex haus t
sy stem. #
Alwaysensu rethat youonl ymak eakic k-
ing movement within thede tection rang e
of thesensor s. *
N NO O
TE TE
Damag eto theve hicle caused by
unint entionall yopening thetrunk lid R
When usinganaut omatic carwash
R When usingahigh pressur eclean er #
Deact ivat eth efunction oftheSmar tKey
in these situations.
or #
Mak esur eth at theSmar tKey isat amin-
imum distance of10 T(3 m) away from
th eve hicle. When
makingth ekic king movement, makesur e
th at youar estanding /rml yon thegr ound. You
could other wise loseyour balance, e.g.onice.
Obser vethefo llo wing notes:
R The Smar tKey isbehind theve hicle.
R Stand atleas t12 in(30 cm) awayfrom the
ve hicle while perform ing thekic king move-
ment.
R Donotcome intocont actwithth ebum per
while making thekic king movement.
R Donotcar ryout thekic king movement too
slo wly .
R The kicking movement mustbetowa rdsth e
ve hicle andbackag ain. 1
Detection rang eof thesensor s
If se veralconsecutiv ekic king movements areno t
successful, waitte nsec onds .
Sy st Sy
stem limits em
limits
The system maybe impai redor ma yno tfun ction
in thefo llo wing cases :
R The sensor sar edir ty,e.g. duetoroad salt or
sno w.
R The kicking movement ismade usingapr os-
th etic leg. 7676
Opening
andclosing

The
trunk lidcou ldbe ope ned unint entio nally,in
th efo llo wing situations:
R Aper son's arms orlegs aremo ving inthesen-
sor detection rang e, e.g. when polishing the
ve hicle orpic king upobj ects.
R Objects aremo vedor placed behind theve hi-
cle, e.g.th efuel pum phose, chargin gcable or
lug gage .
R Clam pingstraps, tarp sor other coverings are
pull edove rth ebum per.
R Apr otectiv emat withalengt hre ac hing over
th etrunk silldown intoth ede tection rang eof
th esensor sis used.
R The protectiv emat isno tsecur edcor rectl y.
Deactiv ateth efunction oftheSmar tKey
( / pag e67) ordo notcar rytheSmar tKey about
yo ur per son insuc hsituations. UUnloc nloc
king andopening t king
andopening the tr he
trunk fr unk
from inside with om
inside with
t t
he emer g he
emer gency r ency
release elease
RR
eq eq
uir uir
ements: ements:
R The 12Vve hicle batteryis conn ectedand
ch arge d. #
Press theemer gency release button1
br ie0y . Side
windo ws Sid
ewi ndo ws Openin
gand closing t Openin
gand closing the side windo ws he
side windows &
W W
ARNI NG ARNI
NGRisk ofentr apm entwhen ope n-
ing asid ewind ow
When opening aside windo w,par tsof the
body could bedraw nin or bec ome trapp ed
be tween theside windo wand windo wframe. #
When opening, makesur eth at nob ody is
to uc hing theside windo w. #
Ifsomeo neistrapped ,re lease thebut-
to nimm ediately or pull itin order to
close theside windo wag ain. &
W W
ARNIN G ARNIN
GRisk ofbecoming trapped when
closing aside windo w
When closing aside windo w,body partscould
be trapped intheclosing area inthepr ocess. #
When closing, makesur eth at no body
par tsarein theclosing area. Opening
andclosing
77 77

Indi
catorlam p1 0ashes whentheATA system is
ar med.
The ATA system isdeacti vatedaut omaticall yin the
fo llo wing situations:
R ATer unlockingtheve hicle withth eSmar tKey
R ATe run lock ing theve hicle usingKEY LESS-GO
R ATer pressin gth estar t/s topbutt onwithth e
Sma rtKe yin themar kedspace (/page129) %
When theMer cedes‑Benz emergency callsy s-
te m isactiv eand thealar mstay son formor e
th an 30 secon ds,amessag eis aut omati cally
sent totheCust omer Assist anceCenter
(/ page247).
% Inthecase ofsevere batt erydisc harging ,th e
anti-theT alarmsystem isaut omati callydeac-
tiv ated tofacilit ateth ene xt engine star t.
Deactiv Deactiv
atingt ating
the ATA he
ATA #
Press theÜ, ßor008B buttononthe
Sma rtKe y.
or #
Press thestar t/s topbutt onwithth eSmar tKey
in thestow agecom partmen t(/ page129)
Deact iv Deact
ivatin gt atin
gthe alar he
alar musin gKEY LESS-GO m
usin gKEY LESS-GO #
Grasp theoutside doorhandle withth eSmar t-
Ke yout side theve hicle. FF
unct ionoft unct
ionofthe tow he
tow-a wa -a
wa yalar m y
alar m %
Thisfu nct ion mayno tbe availabl ein all coun -
tr ies. An
audib leand visualalar mistrigg ered ifan alter-
atio nto your vehicle' sang leof incl inat ionis
de tected while theto w- awa yalar misarmed.
The tow- awa yalar misaut omat icallyarmed aTer
appr oximat ely60 seconds:
R ATer locking theve hicle withth eSmar tKey
R ATe rlo ck ing theve hicle usingKEY LESS-GO
The tow- awa yalar misonl yar med when thefo l-
lo wing components areclosed:
R Door s
R Trunk lid
The tow- aw ay alar misaut omati callydeact ivat ed:
R ATer pressin gth eÜ or008B buttononthe
Sma rtKe y
R ATe rpr ess ing th estar t/s topbutt onwithth e
Sma rtKe yin themar kedspace (/page129)
R ATer unlockingtheve hicle usingKEY LESS-GO
R When usingHA NDS- FREE ACCESS
Inf ormation oncollision detection onapar ked
ve hicle (/page153) . Open
ingand closin g
85 85

#
Neverlea vechildr enunatt ended inthe
ve hicle. #
When leavingth eve hicle, alwaysta ke the
Sma rtKe ywit hyo uand lockth eve hicle. Yo
ucan usethememor yfunction whentheigni-
tion isswitc hedo..
Seat adjustmen tsforup tothre epeople canbe
st or ed and called upusing thememor yfunction .
Yo ucan save setting sfo rth efo llo wing systems:
R Seat
R Seat contour
R Outside mirrors
R Hea d-up Display Ope
r Ope
rati ng t ati
ng the mem or he
mem oryfunct ion y
funct ion SS
t t
or or
ing ing
#
Setth edesir edposition forall systems. #
Brie0y press memor ybutt onV andthen
pr ess prese tposition 0037,TorU
wit hin thre eseconds. #
T T
o call up: o
call up:press and brie0y hold oneofprese t
position buttons 0037, TorU.
ATer releasing thebutt on,allsystems are
mo vedint oth estor ed position. SS
t t
o o
w w
ag ag
ear e
ar eas eas
NNo o
t t
es on loading t es
on loading the v he
vehicle ehicle
&
D D
AN AN
GER GER
Riskofexhaus tga spoison ing
Combu stion enginesemit poison ousexhaus t
ga ses suchas carbon monoxide.Exhaus t
ga ses can entertheve hicle interior ifth etrunk
lid isopen when theve hicle isrunning, espe-
cia lly if th eve hicle isin mo tion . #
Alwaysswitc ho. theve hicle before
open ingthetrunk lid. #
Neverdr ive wit hth etrunk lidopen. &
W W
ARNIN G ARNIN
GRisk ofinjur yfrom unsecur ed
it ems intheve hicle
If obj ects, luggage orloads areno tsecur edor
no tsecur edsu1cient ly,th ey could slip,tip 100100
Seat
sand stow ing

ov
er or be thro wn aroun dand ther eb yhit vehi-
cle occupan ts.
Ther eis arisk ofinjury, par ticular lyin the
eve ntofsud den brak ing orasud den chang e
in dir ecti on. #
Alwaysst ow objects insuc hawa yth at
th ey canno tbe thro wn aroun d. #
Beforeth ejour ney,secur eobj ects, lug-
ga ge orloads agains tslipping ortipping
ove r. &
W W
ARNI NG ARNI
NGRisk ofinjur ydue toobjects
being stowe dincor rectl y
If obje ctsintheve hicle interior arestowe d
incor rectl y,they can slide orbe thro wn aroun d
and hitvehicle occupan ts.Inaddit ion,cup
holder s,open stor ag espaces andmobil e
phone brac kets canno talw aysre tain all
objects they cont ain.
Ther eis arisk ofinjury, par ticular lyin the
eve ntofsud den brak ing orasud den chang e
in dir ecti on. #
Alwaysst ow objects insuc hawa yth at
th ey canno tbe thro wn aroun din suc h
situ ation s. #
Alwaysmak esur eth at obj ects donot
pr otru de from stor ag espaces, parcel
ne ts or stor ag ene ts. #
Close theloc kable stor ag espaces before
st ar ting ajour ney. #
Alwaysst ow and secur ehea vy,har d,
poin ted, shar p-edg ed,fragile orbulky
objects inthetrunk . VV
ehicles wit ehicles
withaut h
aut omatic fr omatic
front passeng ont
passeng erairbag er
airbag
shut shut
o.: o.:
Objects trapped underthefront
passeng erseat mayint erfere wit hth efunction of
th eaut omatic front passeng erairbag shuto.or
damag eth esy stem. Please observetheno teson
th efunction oftheaut omatic front passeng erair-
bag shuto.(/ page46). &
W W
ARNIN G ARNIN
G‑Risk ofaccident orinjur y
when usingthecup holder whiletheve hi-
cle ismo ving
The cup holder cannotsecur econt ainers
while theve hicle ismo ving.
If yo uuse acup holder whiletheve hicle is
mo ving,thecont ainer maybe 0un gar ound
and liquids maybe spilled. Thevehicle occu-
pant sma ycome intocont actwithth eliq uid
and ifit is ho t,they could bescalded. You
could bedistract ed from tra1c condi tionsand
yo uma ylose contr olof theve hicle. #
Onlyuse thecup holder whentheve hicle
is station ary. #
Onlyuse thecup holder forcont ainer sof
th eright size. #
Clos eth econt ainer ,par ticular lyifth e
liq uid isho t. *
N NO O
TE TE
Damag eto thecup holder When
there ar armr estis folded backth ecup
holder couldbecome damaged. Seats
andstow ing
101 101

#
Onlyfo ld there ar armr estbac kwhen the
cup holder isclosed. *
N NO O
TE TE
Damag eto there ar armr estdue to
body weight When
folded out,there ar armr est can be
damag edbybody weight. #
Donotsit orsuppor tyo urself onthere ar
seat armr est. &
W W
AR NIN G AR
NIN G‑Risk of/reand injuryfrom hot
cig arette light er
Yo ucan burnyo urself ifyo uto uc hth eho t
heating element orthesoc ketof thecig arette
light er.
In addition, 0ammablematerials mayignit eif:
R youdr op theho tcig arette light er
R ach ild holds theho tcig arette light erto
objects, forex am ple #
Alwayshold thecig arette light erby the
knob. #
Alwaysmak esur eth at thecig arette
light erisout ofreac hof childr en. #
Neverlea vechildr enunatt ended inthe
ve hicle. &
W W
AR NIN G AR
NIN GRisk ofbur nsfrom theta ilpipe
and tailpipe trims
The exhaus tta ilpipe andtailpipe trims can
become very hot.Ifyo ucome intocont act
wit hth ese partsof theve hicle, youcould burn
yo urself. #
Alwaysbe par ticu larlycar efular ound the
ta ilpipe andtheta ilpipe trims and super -
vise childr enespecia lly closel yin this
ar ea. #
Allo wvehicle partsto cool down before
to uc hing them. The
driving charact eristics ofyour vehicle are
depen denton thedistr ibution oftheload within
th eve hicle. Youshould bearthefo llo wing inmind
when loading theve hicle:
R Neverex ceed theper missible gross mass or
th egr oss axle weight rating forth eve hicle
(incl udin goccupan ts).The values arespeci/ ed
on theve hicle identi/cation plateon theve hi-
cle's B-pill ar.
R The load mustno tpr otru de abo vetheupper
edg eof theseat backrests.
R Alwaysplace theload behind unoccupied
seats ifpossible.
R Secur eth eload using thetie-do wneyes and
distr ibuteth eload evenly.
No teson drivi ng witharo of load
R Evenl ydist ribut eth ero of load, andplace
hea vyobjects atthebo ttom. Also complywit h
th eno teson loadin gth eve hicle
(/ page100) .
R Drive att ent ivel y, and avoidsuddenl ypulling
awa y,braking andsteer ing aswellas rapid
cor ner ing. 102102
Seats
andstow ing