2023 MERCEDES-BENZ A CLASS battery

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

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

#
Donotdr ive wit hth eengine intheove r-
re vving rang e. *
N NO O
TE TE
We aring out thebr ak elining sby
cont inuousl ydepr essing thebr ak epedal #
Donotdepr essthebr ak epedal continu-
ousl ywhilst driving. #
Touse thebr aking e.ect oftheengine,
shiT toalowe rge ar ingood time. *
N NO O
TE TE
Damag eto thedr ivet ra in and
engine whenpulling away #
Donotwa rm uptheengine whilethe
ve hicle isstation ary. Pull awayimme di-
at ely. #
Avoid high engin espeeds anddrivin gat
full thro ttle until theengine hasreac hed
its oper atingte mp eratur e. *
N NO O
TE TE
Damag eto thecat alytic converter
due tonon-c ombusted fuel The
engine isno tru nning smoothly and ismis-
/r ing.
No n-combus tedfuel mayget intoth ecat alytic
con verter . #
Onlydepr esstheacceler ator pedal
slightl y. #
Have thecause recti/ed immedi atelyat
a qu ali/ed special istwo rkshop. *
N NO O
TE TE
Reduced batterylif e due tofreq uen t
sh ort-d istanc etrips The
12Vba tter yma yno tbe su1c iently
ch arge dwhen theve hicle isused onlyfo r
shor t-dista nce trips .This reduces thelife of
th ebatt ery. #
Drive long erdist ances regula rly to
ch arge thebatt ery. *
N N
O O
TE TE
Dam ageto theve hicle duetonot
obs erving themaximum permitt edhead-
ro om clear ance If
th eve hicle heightisgre ater than themaxi-
mum permitt edheadr oomclearance, thero of
and other partsof theve hicle maybe dam-
ag ed. #
Obser vethesign post edheadr oomclear-
ance. #
Ifth eve hicle heightisgreat erthan the
per mitt edheadr oomclearance, donot
ent er. #
Obser vethech ang edvehicle heightwit h
add-o nro of equipment. NNo o
t t
es on dr es
on drivin gwit ivin
gwit har h
aroof load, tr oof
load, trailer orfull y ailer
orfull y
laden v laden
vehicle ehicle
When drivin gwit haloaded roof lugg agera ck or
tr ailer aswellas withafull yladen orfull yoccu-
pied vehicle, theve hicle' sdr ivi ng and steer ing
ch aract eristics chang e. 134134
Dr
iving and parking

%
Ifth ebatt eryis se verely disc harged, thefunc-
tion forde tectin gacollisi ononapar kedve hi-
cle isaut omati callydeact ivat ed tofacilit ate
th ene xt engine star t.
Sy st Sy
stem limits em
limits
De tection maybe restr icte din thefo llo wing situa-
tions:
R The vehicle isdamag edwithout impact, for
ex am ple, ifan out side mirroris torn o. orthe
paint isdamag edbyake y
R Animpac tocc ursat low spe ed
R The electric par king brak eis no tapp lied NNo o
t t
es on par es
on par king t king
the v he
vehi cle f ehi
cle for an e or
an ext xt
ende d ende
d
per per
iod iod
If
yo ulea vetheve hicle parkedfo rlong erthan six
we eks,itma ysu.er damag eth ro ugh disuse.
The 12Vbatt eryma yalso beimpair edordam-
ag ed byhea vydisc harging.
V V
ehicle swit ehicle
swit haut h
aut omati ctr omati
ctransmi ssion: ansmi
ssion:Do notdis-
conn ectthe12 Vbatt eryev en ifth eve hicle isleT
idle fora lengt hyper iod. %
Further informatio ncan beobt aine dat a
qu ali/ed special istwo rkshop. SS
t t
andb andb
ymode (e y
mode (ext xt
ensi onoft ensi
onofthe st he
star t ar
ter batt er
batt er er
y's y's
per per
iod out ofuse) iod
out ofuse) SS
t t
andb andb
ymode funct ion y
mode funct ion
% This funct ion isno tav ailabl efo rall models.
If standb ymode isactiv ated, ener gyloss willbe
minimized during extended periodsof non-op era-
tion.
St andb ymode isch aract erize dby thefo llo wing:
R The star terbatt eryis preser ved.
R The maximum non-oper ational timeappear sin
th emedia display.
R The conne ctionto onlin eser vices isint errup-
te d.
R The ATA(ant i-the Tala rm system) isno tav aila-
ble.
R The interior motionsenso rand tow- awa y
alar mfunct ionsar eno tav ailabl e.
R The funct ion forde tectin gcollisi onsona
par kedve hicle isno tav ailabl e. If
th efo llo wing conditions areful/lled ,st andb y
mode canbeactiv ated ordeactiv ated using the
multimed iasystem:
R The vehicle isswitc hedon.
R The vehicle hasnotbeen star ted.
Ex ceeding theve hicle' sdispl ayednon- oper ational
time maycause inconvenienc e;i.e. itca nno tbe
guar anteed that thestar terbatt erywill reliabl y
st ar tth eve hicle.
Char gethestar terbatt eryin thefo llo wing situa-
tions:
R The vehicle' snon -ope rational timemust be
ex tended .
R The BatteryCharge Insuffic ient forStandby
Mode message appear sin themedia display.
% Standb ymode isaut omati callydeact ivat ed
when theve hicle isswitc hedon.
A A
ctiv ctiv
atin g/deact iv atin
g/deact ivatin gst atin
gst andb andb
ymode (par y
mode (parking king
t t
he v he
vehicle f ehicle
for an e or
an ext xt
end edper end
edper iod) iod)
R R
eq eq
uir uir
emen ts: emen
ts:
R The engineisswitc hedo.. 154154
Dr
iving and parking

TT
elephone menuov elephone
menuover er
vie w vie
w 1
Blue toot h®
de vice name ofthecur rentl ycon-
nect edmob ilepho ne/of themobile phone
2 Blue toot h®
de vice name ofthecur rentl ycon-
nect edmob ilepho ne/of themobile phone
(tw ophone mode)
3 Batteryst atus oftheconnect edmobile phone
4 Sign alstr engt hof themobile phonenetwork
5 Options 6
Device manag er
7 Messag es
8 Numer icalpad
9 Cont actsear ch T T
elephon elephon
yoper y
oper ating modes ov atin
gmodes over er
vie w vie
w
Depending onyour equipment, thefo llo wing tel-
ephon yoper ating modes areav ailabl e:
R Amobil ephon eis conn ectedtothemultime-
dia system viaBlue toot h®
. MBUX
multimediasystem
237 237

BattBatt
er er
y(v y
(v eh icle) eh
icle) NNo o
t t
es on t es
on the 12 Vba tt he
12 Vba tter y er
y &
W W
ARNI NG ARNI
NGRisk ofexplosion duetoelec-
tr ost atic charge
Electr ostatic charge can ignite th ehighl y
ex plosiv ega smixtu reinthebatt ery. #
Todisc hargeanyelect rostat ic ch arge
th at ma yha ve built up,touc hth eme tal
ve hicle body beforehandl ingthebatt ery. The
highly0amma blegasmixtu reiscreat edwhile
th ebatt eryis ch argin gand during star tin gassis-
ta nce. &
W W
ARNI NG ARNI
NGDang erofchemical burnsfrom
th ebatt eryacid
Batt eryacid iscaustic. #
Avoid cont actwithth eskin, eyes or
clo thing. #
Donotlean overth ebatt ery. #
Donotinhale batteryga ses. #
Keep childr enawa yfrom thebatt ery. #
Immedi atelyrinse battery acid o.thor -
oughl ywit hplenty ofclean waterand
seek medical attention 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. If
yo uha ve todisconnect the12 Vbatt ery, con-
ta ct aqu ali/ed special istwo rkshop.
Com plywit hsaf etyno tesand take protectiv e
measur eswhen handling batteries. Risk
ofexplosion. Fi
re ,open 0ames andsmokin gar e
pr ohibi tedwhen handling thebatt ery.
Av oid creating sparks. Electr
olyte or batt eryacid iscor rosiv e.
Av oid cont actwithth eskin, eyes or
clo thing. Wearsuit able protectiv e
clo thing, inpar ticular gloves, an apr on
and afa ce mask .Immediat elyrinse
elec trol yte or acid spl ashes o.with
cle an water. Consult adoct orifneces-
sar y. We
arsaf etygl asses. 280280
Br
eakdo wnassis tance

Ke
ep childr enawa y. Obser
vethis Oper ator's Manual.
If yo udo notint end touse theve hicle over an
ex tended period oftime :
R Activatestandb ymode ,or
R Connect thebatt eryto abatt erych arge r
appr ovedby Mer cedes-Be nz,or
R Cons ultaqu ali/ed special istwo rkshop todis-
connect thebatt ery NNo o
t t
es on st es
on star ar
ting assist ting
assist anceandc ance
andchar har
ging t ging
the 12 he
12
V batt V
batt ery er
y When
chargin gth ebatt eryand during star ting
assist ance, alwaysuse thejum p-st artconnection
point intheengine compartment. *
N NO O
TE TE
Damag eto thebatt eryfrom over-
vo ltag e When
chargin gusin gabatt erych arge rwit hout
a maximum chargin gvo ltag e, thebatt eryor
th eon-boar delectr onics maybe damag ed. #
Onlyuse batterych arge rs wit hamaxi-
mum chargin gvo ltag eof 14.8 V. &
W W
ARNI NG ARNI
NGRisk ofexplosion duetoigniting
hy drog en gas
If th er eis ashor tcir cuit orspar ksstar tto
fo rm when chargin gabatt ery, ther eis adan-
ge rof thehy drog en gasign iting . #
Take car eth at thepositiv ete rm inal ofa
connect edbatt erydoes notcome into
cont actwithve hicle parts. #
Neverplace metalobjects ortools ona
batt ery. #
When connecting anddisconnecting the
batt ery, alw aysobser vetheseq uence of
batt eryte rm inals descr ibed. #
Alwaysta ke car eto conn ectonlybatt ery
te rm inals ofidentical polaritywhen jump
st ar ting ave hicle. #
Duringstar tin gassis tance, itis ess entia l
to obser vetheseq uence describedfor
conn ectingand discon nectingthe
jum per cable s. #
Donotco nnec tor dis connec tth ebat-
te ry term inals while theengine isrun-
ning. &
W W
ARNI NG ARNI
NGRisk ofexplosion duetoamix-
tur eof explosiv ega ses
A mixtu reofexplosiv ega ses can escape from
th ebatt erydur ing chargin gand jump star tin g. #
Fire ,open 0ames, smokingand creati ng
spar ksmust beavo ided. #
Mak esur eth at ther eis su1cien tve ntila -
tion. #
Donotst and overth ebatt ery. Br
ea kd ow nas sist anc e
281 281

&
W W
ARNI NG ARNI
NGRisk ofexplosion from afrozen
batt ery
A disc hargedbatt eryma yfreeze attemp era-
tur es slightl yabo veorbelo wfreezin gpoint.
Dur ingstar ting assist anceorbatt erych argin g,
batt eryga scan bereleased. #
Alwaysallo wabatt eryto thaw before
ch argin git or per form ing star ting assis -
ta nce. If
th eindicat or/warning lampsintheinst rument
clust erdo notlight upatlow temp eratur es,itis
ve ry likelyth at thedisc hargedbatt eryhas frozen.
In this case youma yneit her jump-st artth eve hi-
cle nor charge thebatt ery.
The service life of abat tery that has been thawe d
ma ybe dramaticall yshor tened. Thestar ting char-
act eristics maybe impair ed,especi allyat low
te mp eratur es.
It is recommen dedthat youha ve ath awe dbatt ery
ch eckedat aqu ali/ed special istwo rkshop. *
N NO O
TE TE
Damag ecaused bynume rous or
ex tended attem ptsto star tth eengine Numer
ousorextended attem ptsto star tth e
engine maydamag eth ecat alytic converter
due tonon-c ombusted fuel. #
Avoid numer ousand extended attem pts
to star tth eengine. Obser
vethefo llo wing points during star ting assis -
ta nce and when chargin gth ebatt ery:
R Onlyuse undamag edjum per cable/c harging
cables withasu1cient cross-section and
insulat edterm inal clam ps.
R Non-in sulatedpar tsof thete rm inal clam ps
must notcome intocont actwithot her metal
par tswhile thejum per cable/c harging cable
is connect edtothebatt ery/jum p-startcon-
nection point.
R The jumper cable/c harging cable mustnot
come intocont actwithan ypar tswhic hma y
mo vewhen theengine isrunning.
R Alwaysmak esur eth at nei ther younor thebat-
te ry iselectr ostaticall ych arge d. R
Keep awa yfrom /reand open 0ames.
R Donotlean overth ebatt ery.
Obser vetheadditional follo wing points when
ch argin gth ebatt ery:
R Onlyuse batterych arge rs tested and
ap pro vedfo rMer cedes-Benz.
R Read thebatt erych arge r's oper ating instruc-
tion sbef orech argin gth ebatt ery.
Obser vetheadditional follo wing points during
st ar ting assist ance:
R Forst ar ting assist ance, onlyuse batteries with
a nominal voltag eof 12 V.
R The vehicles mustno tto uc h.
R Gasoline engine: Gasoline
engine:Onlyaccep tst ar ting assis -
ta nce ifth eengine andexhaus tsy stem are
cold. SS
t t
ar ar
tin gassis t tin
gassis tance andc ance
andchar har
gingt gin
gthe 12 Vbatt he
12 Vbatt ery er
y RR
eq eq
uir uir
emen ts: emen
ts:
R The vehicle issecur edwithth eelectr icpar k-
ing brak e. 282282
Br
eakdo wnassist ance