battery MERCEDES-BENZ CLA 2022 Owners Manual

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. #
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.
Mer cedes-Be nzrecommen dsthat youha ve the
batt eryre placed ataqu ali/ed special istwo rk-
shop. #
Remo vetheemer gency key(/ page68) . 6868
Open
ing and closi ng

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. The
trunk lidcould beopened unintentionall y,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 . 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. 136136
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.. 156156
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
239 239

&
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. All
v All
vehi cles ehi
cles
+ EN
VIR EN
VIRON MEN T ON
MEN TAL NO AL
NOTE TE
Environment al
dam agedue 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. Ke
ep childr enawa y. Obser
vethis Oper ator's Manual.
Obser vethefo llo wing ifyo udo notint end touse
th eve hicle over an extended period oftime :
R Activatestandb ymode .
R Alternativ ely: conn ectthebatt eryto abatt ery
ch arge rappr ovedby Mer cedes-Be nzorcon-
sul ta qu ali/ed special istwo rkshop todiscon-
nect thebatt ery. 282282
Br
eakdo wnassist ance

NN
o 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 All
v All
vehicles ehicles
When chargin gth ebatt eryand during star ting
assist ance, alwaysuse thejum p-st artconnection
point intheengine compartment.
* NO NO
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. &
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- Br
eakdo wnassis tance
283 283

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.
All v All
vehicle s ehicle
s
* NO NO
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 cables/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 Startin gassis tance mayonl ybe prov ided
using vehicles, batteries orother jump star t
de vice swit hanomi nalvoltag eof 12 V.
R The vehicles mustno tto uc h. R
V V
ehicles wit ehicles
withag h
agasoline engine: asoline
engine: jump-st artth e
ve hicle onlywhen theengine andexhaus tsy s-
te m arecold. SS
t t
ar ar
ting assist ting
assist anceandc ance
andchar har
ging t ging
the 12 Vbatt he
12 Vbatt ery er
y RR
eq eq
uir uir
ement s: ement
s:
R The vehicle issecur edwithth eelectr icpar k-
ing brak e.
R V V
ehicles wit ehicles
withaut h
aut omatic tr omatic
transmiss ion: ansmiss
ion:The
tr ansmiss ionisin position 005D.
R The vehicle andallelect rical consume rsare
switc hedo..
R The hood isopen . 284284
Br
eakdo wnassis tance

Ex
am ple: enginecom partment #
Slid eco ver1 ofPOSITIVE contact2onthe
jum p-st arting connec tionpoi ntinthedir ection
of thear ro w. #
Connect POSITIVE contact2onyour vehicle
to thepositiv ete rm inal ofthedonor battery
using thejum per cable/c harging cable. Alw
aysbegi nwit hPOS ITIVE contact2on
yo ur ow nve hicle /rst. #
Dur Dur
ingst ing
star ar
tin gassis t tin
gassis tance: ance:
star tth eengine of
th edonor vehicle andrunat idle speed. #
Conne cttheneg ativete rm inal ofthedonor
batt eryand ground point 3ofyour ow nve hi-
cle byusing thejum per cable/c harging cable.
Begin withth edonor battery/r st. #
Dur Dur
ingst ing
star ar
ting assist ting
assist ance: ance:
star tth eengine of
yo ur ow nve hicle. #
Dur Dur
ingt ing
the c he
char har
gingpr gin
gpr ocess: ocess:
star tth ech arg-
ing process. #
Dur Dur
ingst ing
star ar
tin gassis t tin
gassis tance: ance:
letth eengines run
fo rse veralminut es. #
Dur Dur
ingst ing
star ar
ting assist ting
assist ance: ance:
beforedisconnect-
ing thejum per cable, switchon anelectr ical
consumer onyour ow nve hicle, e.g.th ere ar
wind owheat eror lightin g.
When thestar ting assist ance/c harging process is
com plete,per form thefo llo wing steps: #
Firs t, re mo vethejum per cable/c harging cable
fr om ground point 3and theneg ativete rm i- nal
ofthedonor battery, then POSITIVE con-
ta ct 2 and thepositiv ete rm inal ofthedonor
batt ery. Begin each time withth econt acts on
yo ur ow nve hicle /rst. #
ATer remo vingth ejum per cable/c harging
cable, closecover1 ofPOSITIVE contact
2.
Fu rther informatio ncan beobt aine dat aquali/ed
special istwo rkshop. RR
eplaci ngt eplaci
ngthe 12 Vbatt he
12 Vbatt ery er
y #
Obser vetheno teson the12 Vbatt ery
(/ page281).
Mer cedes-Benz recommen dsthat youha ve the
12 Vbatt eryre placed ataqu ali/ed special ist
wo rkshop, e.g.at an aut hor izedMer cedes- Benz
Cen ter.
Obser vethefo llo wing notesif yo uwa nttoreplace
th ebatt eryyo urself:
R Alwaysre place afa ulty batterywit habatt ery
whic hmee tsthespeci/c vehicle requ ire-
ments. Br
eakdo wnassist ance
285 285

The
vehicle iseq uipp edwithan AGMtech nol-
ogy battery (Absor bentGlass Mat)or alith-
ium -ionbatt ery. Fu llve hicle funct ionalityis
onl yguar anteed withan AGMbat tery or lith-
ium-ion battery. Fo rsaf etyre asons, Mercedes-
Ben zre commen dsthat youonl yuse batteries
whic hha ve been tested andap pro vedfo ryo ur
ve hicle byMer cedes-Be nz.
R Carryove rde tach able parts,suc has vent
hos es,elbo w/tting sor term inal covers from
th ebatt erybeing replaced.
R Mak esur eth at theve nt hos eis alw ayscon-
nect edtotheor iginal opening ontheside of
th ebatt ery. Ins
tallan yex istin gor supplied cellcaps.
Ot her wise, gases orbatt eryacid could
escape.
R Mak esur eth at detach able partsarere con-
nect edinthesame way. TT
o o
w st w
star ar
tin gor to ting
ortowing away wing
away PP
er er
mitt mitt
edto ed
towing met wing
methods (nonplug-inh hods
(nonplug-inhybr ybr
id) id)
Mer
cedes- Benzre commen dstranspor tingyo ur
ve hicle inthecase ofabr eakdo wn,rather than
to wing itawa y.
Fo rto wing ,use ato w rope ortow bar withbo th
axles onthegr ound. Donotuse tow bar systems. &
W W
AR NIN G AR
NIN GRisk ofacciden twhen towing
wit hsteer ing wheel locking
When thesteer ing wheel locking iseng aged,
yo ucan nolong ersteer theve hicle. #
Alwaysswitc hon theve hicle when tow-
ing withato w rope ortow bar . *
N NO O
TE TE
Damag eto theve hicle duetotow-
ing awa yin cor rectl y #
Obser vetheinst ruction sand noteson
to wing away. 286286
Br
eakdo wnassist ance