MERCEDES-BENZ A CLASS 2023 Owners Manual
Page 281 of 434
+
ENVIR ENVIR
ONMENT ONMENT
ALNO AL
NOTE TE
Environmen tal
pollution causedbyenvironment allyirre -
sponsi bledisposal Ti
re sealan tcont ains pollu tants. #
Have thetir esealant bottle disposed of
pr ofessionall y,e.g. atan aut hor ized
Mer cedes-Benz Center. #
Storeth etir esealant bottle and thetir ein0 a-
tion compressor . #
Pull awa Pull
awayimme diat y
imme diately. el
y. #
Stop drivin gaTer approximat elyte nminut es
and checkth etir epr essur eusing thetir e
in0 ation compressor .
The tirepr essur emust nowbe atleast
130 kPa(1.3 bar/19 psi). &
W W
ARNIN G ARNIN
GRisk ofaccident duetothe
speci/ed tirepr essur eno tbein gatt aine d
If th especi/ed tirepr essur eis no tre ac hed,
th etir eis toobadl ydamag ed.The tiresealant
canno tre pair thetir ein this inst ance. The
braking anddriving charact eristics maybe
gr eatl yim pair ed. #
Donotcontinue driving. #
Consult aqua li/ed specialist workshop. In
cases suchas theone mentioned above,con-
ta ct an aut hor izedMer cedes-B enzCent er.Or call
1-80 0-FOR -MERCedes (intheUS A)or
1-800-387- 0100(inCanada). #
Correct thetir epr essur eif it is still atleast
130 kPa(1.3 bar/19 psi).SeetheTire and
Loadi ngInformatio nplacar don theB‑pillar on
th edr iver's side orthetir epr essur eta ble in
th efuel /ller 0apforva lues.
Incr Incr
easing t easing
the tir he
tirepr e
pr essur e essur
e #
Switc hon thetir ein0 ation compressor .
Decr Decr
easing t easing
the tir he
tirepr e
pr essur e essur
e #
Remo vethetir esealant bottle from thetir e
in0 ation compressor . #
Inser tth e/ller hose inthesoc ketof thetir e
in0 ation compressor andturnit aqu artertur n
cloc kwise. #
Press pressur ere lease buttonC next to
manome terB.
When t When
the tir he
tirepr e
pr essur essur
eis cor r e
is cor rect ect
#
Unscr ewthe/lling hosefrom theva lve of the
sealed tire. #
Screw theva lve cap ontoth eva lve of the
sealed tire. #
Storeth etir esealant bottle and thetir ein0 a-
tion compressor . #
Drive to thenear estquali/ed special istwo rk-
shop andhave thetir e, tiresealant bottle and
/lling hosereplaced ther e. Br
eakdo wnassist ance
279 279
Page 282 of 434
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
Page 283 of 434
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
Page 284 of 434
&
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
Page 285 of 434
R
A A
ut ut
omatic tr omatic
transmiss ion: ansmiss
ion:Thetransmiss ionisin
position 005D.
R The vehicle andallelect rical consume rsare
switc hedo..
R The hood isopen . #
Slide cover1 ofpositiv eclam p2 onthe
jum p-st arting connec tionpoi ntinthedir ection
of thear ro w. #
Connect positiveclam p2 onyour vehicle to
th epositiv epole ofthedonor batteryusing
th ejum per cable/c harging cable. Always
begin withpositiv eclam p2 onyour ow n
ve 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 ativepole ofthedonor bat-
te ry and ground point 3ofyour ow nve hicle
by using 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: #
Firs t, re mo vethejum per cable/c harging cable
fr om ground point 3and theneg ativepole of
th edonor battery, then from positiv eclam p
2 and thepositiv epole ofthedonor battery.
Begin each time withth econt acts onyour
ow nve hicle /rst. #
ATer remo vingth ejum per cable/c harging
cable, closecover1 ofpositiv eclam p2.
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
(/ page280).
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. Br
ea kd ow nas sist anc e
283 283
Page 286 of 434
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.
The vehicle iseq uipp edwitha0eece battery.
Fu llve hicle funct ionalityis onl yguar anteed
wit ha0eece battery. Fo rsaf etyre asons,
Mer cedes- Benzre commen dsthat youonl y
use batteries whic hha ve been tested and
ap pro vedfo ryo ur vehicle byMer cedes-Be nz.
R Usede tach able partssuc has vent hos es,
elbo w/tting sor term inal covers from thebat-
te ry whic his to be 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. 284284
Br
eakdo wnassist ance
Page 287 of 434
PP
er er
mitt mitt
edto ed
towing met wing
methods hods
VV
ehicle eq ehicle
equipme nt/t o uipme
nt/t owing met wing
method hod
Bo
t Bo
th axles ont h
axles onthe gr he
ground ound FF
r r
ont axle r ont
axle raised aised RR
ear axle r ear
axle raised aised
Ve hicles withaut omati ctransmi s-
sion Ye
s,maximum 31miles (50km) at
31 mph(5 0km /h) Ye
s,maximum 31miles (50km) at
31 mph(5 0km /h) Ye
s,maximum 31mile s(50 km) at
31 mph(5 0km /h)
4MA TIC ve hicles Yes,maximum 31miles (50km) at
31 mph(5 0km /h) No
NoTT
o to o
to w wit w
wit har h
araised axle: aised
axle:towing should beper -
fo rm ed byato wing company. TT
o o
wing t wing
the v he
vehicle wit ehicle
withbo t h
bo th axles ont h
axles onthe gr he
ground ound
#
Obser vetheno teson theper mitt edtowing
me thods (/page284). #
Mak esur eth at thebatt eryis connect edand
ch arge d. Obser
vethefo llo wing points whenthebatt eryis
disc harged:
R The vehicle cannotbe star ted
R The electric par king brak eca nno tbe released
or applied
R V V
ehicles wit ehicles
withaut h
aut omatic tr omatic
transmiss ion: ansmiss
ion:The
tr ansmiss ioncanno tbe shiTed toposition 005C
or 005D.
% V V
ehicles wit ehicles
withaut h
aut omatic tr omatic
transmission: ansmission:
Ifth e
tr ansm ission canno tbe shiTed toposition 005C or
ifth edispla ydoes notsho wan ything,
tr anspor tth eve hicle (/page287) .A towing
ve hicle withliTi ng equipme ntisrequ ired for
ve hicle transpo rtatio n.
* N NO O
TE TE
Damag edue totowing away at
ex cessiv elyhigh speeds orove rlong dis-
ta nces The
drivet ra in could bedamag edwhen towing
at excessiv elyhigh speeds orove rlong distan-
ces. Br
eakdo wnassist ance
285 285
Page 288 of 434
#
Atowing speed of30 mph(5 0km /h)
mu stno tbe exceeded. #
Atowing distance of30 mile s(50 km)
must notbe exceeded. &
W W
AR NIN G AR
NIN GRisk ofacciden twhen towing a
ve hicle whichis toohea vy
If th eve hicle tobe tow- star tedor towe dawa y
is hea vier than theper missible gross mass of
yo ur vehicle, thefo llo wing situations can
occur :
R The towing eyema ybecome detach ed.
R The vehicle/ trailer combin ationmay
sw erve orrollo ver. #
Beforeto w- star ting ortowing away,
ch eckif th eve hicle tobe tow- star tedor
to we dawa yex ceeds theper missible
gr oss mass. If
ave hicle mustbe tow- star tedor towe dawa y,its
per missible gross mass mustnotex ceed theper -
missible gross mass oftheto wing vehicle. #
Informatio non theper missible gross mass of
th eve hicle canbefound ontheve hicle identi-
/cation plate(/ page327) . #
V V
ehicle swit ehicle
swit haut h
aut omati ctr omati
ctransmi ssion: ansmi
ssion:Do not
open thedr iver's door orfront passeng er
door ;th etransmission other wise automati -
call yshiTs toposition 005D. #
Inst alltheto wing eye(/ page288). #
Fasten theto wing device .
* N NO O
TE TE
Damag edue toincor rect conn ec-
tion oftheto w bar #
Onlyconn ecttheto w rope ortow bar to
th eto wing eyes. #
Deactiv ateth eaut omatic locking mechanism
(/ page72). #
Donotactiv ateth eHOLD function . #
Deactiv ateth eto w- awa yalar m(/ page86). #
Deact ivat eAc tiveBr ak eAssi st(/ page179). #
V V
ehic leswit ehic
leswithaut h
aut oma tictr oma
tictransm ission: ansm
ission: ShiTto
position 005C. #
Release theelectr icpar king brak e. #
Switc hon theve hicle; thesteer ing wheel lock-
ing mayot her wise engage. &
W W
AR NIN G AR
NIN GRisk ofacciden tdue tolimit ed
saf ety-re lat ed functions during theto wing
pr ocess
Saf ety-re lat ed functions arelimit edorno lon-
ge rav ailabl ein thefo llo wing situations:
R The vehicle isswitc hedo..
R The brak esy stem orpowe rst eer ing sys-
te m ismalfun ctioning.
R The ener gysuppl yor theon-boar delectr i-
cal system ismalfunctionin g.
When your vehicle istowe daw ay,signi/cantl y
mor ee.or tma ybe requ ired tosteer and
br ak eth an isnor mall yre qu ired. #
Use ato w bar . #
Mak esur eth at thesteer ing wheel can
mo vefreel ybe fore towing theve hicle
awa y. 286286
Br
eakdo wnassist ance
Page 289 of 434
*
N N
O O
TE TE
Dam agedue toexcessiv etractiv e
po we r If
yo upull awayshar ply, thetractiv epo we r
ma ybe toohigh andtheve hicles couldbe
damag ed. #
Pullawa yslo wly and smoo thly. Loading
t Loading
the v he
vehic lef ehic
lefor tr or
transpo rt anspo
rt #
Obser vetheno teson towing away
( / pag e285). #
Connect theto wing device totheto wing eye
in order toload theve hicle. #
V V
ehicle swit ehicle
swit haut h
aut omati ctr omati
ctransmi ssion: ansmi
ssion:ShiT
th eaut omatic transmission toposition 005C.
% V V
ehicles wit ehicles
withaut h
aut omatic tr omatic
transmission: ansmission:
The
aut omatic transmission maybe lockedin posi-
tion 005Dintheev ent ofdamag eto theelectr i-
cal system. ToshiT to005C ,pr ov ide theon-
boar delectr icalsystem withpo we r
( / pag e282). #
Load theve hicle ontoth etranspor ter. #
V V
ehicles wit ehicles
withaut h
aut omatic tr omatic
transmission: ansmission:
ShiT
th eaut omatic transmission toposition 005D. #
Use theelectr icpar king brak eto secur eth e
ve hicle agains tro lling away. #
Onlysecur eth eve hicle bythewheels.
V V
ehicles wit ehicles
withadap h
adap tiv tiv
edam e
dam ping adjus ping
adjustmen t tment
&
W W
ARNIN G ARNIN
GRisk ofan accident whentrans-
por ting vehicles withadap tivedam ping
adju stmen t
When transpo rting vehicles withadap tive
dam pingadju stmen t,theve hicle/ trailer com-
bin ation maybeg into rock and star tto skid. #
Load theve hicle correctl yont oth e
tr ansp orter. #
Sec ureth eve hicle onallfour wheels
wit hsuit able tensio ning straps . #
Donotex ceed themaximum permissible
speed of35 mph(6 0km /h)wh en tran s-
po rting. *
N NO O
TE TE
Damag eto theve hicle from secur -
ing itinco rrectl y #
ATer loading, theve hicle mustbe
secur edon allfour wheels. Other wise,
th eve hicle could bedamag ed. #
Amin imum distance of8in (20 cm)
upw ards and 4in (10 cm) down wards
must bekept tothetranspor tplatf orm. #
Secur eth eve hicle onallfour wheels aTer
loading.
4MA 4MA
TICv TIC
vehicles/v ehicles/v
ehicleswit ehicles
withaut h
aut omatic tr omatic
trans- ans-
mission mission Br
eakdo wnassist ance
287 287
Page 290 of 434
#
Mak esur eth at thefront and rear axles come
to rest on thesame transpor tation vehicle.
* N NO O
TE TE
Damag eto thedr ive train due to
incor rect positi oningof theve hicle #
Donotposit iontheve hicle abovethe
conn ectio npoin tof thetranspor tve hi-
cle. TT
o o
wing ey wing
eyest e
stor or
ag ag
elocation e
location The
towing eyeis locat edinthestow agespace
und erthetrunk 0oor . InstInst
alling andr alling
andremo emo
ving t ving
the to he
towing eye wing
eye #
Press themar kon cover1 inwa rdsand
re mo ve. #
Screw intheto wing eyecloc kwise asfaras it
will goand tight en. #
Mak esur eth at cover1 engages inthe
bum perwhen youre mo vetheto wing eye. *
N NO O
TE TE
Damag eto theve hicle duetoincor -
re ct use oftheto wing eyeor trailer hitch When
ato wing eyeor trailer hitchis used to
re co vera ve hicle, theve hicle maybe damag ed
in thepr ocess. #
Onlyuse theto wing eyeor trailer hitchto
to w awa yor tow star tth eve hicle. #
Donotuse theto wing eyeor trailer hitch
to tow theve hicle during reco very. TT
o o
w w
-st -st
ar ar
ting t ting
the v he
vehic le ehic
le VV
ehic leswit ehic
leswithaut h
aut oma tictr oma
tictransm ission ansm
ission
* NO NO
TE TE
Dam ageto theaut omatic transmis-
sion duetotow star tin g The
automati ctransmissi onmaybe damag ed
in thepr ocess oftow star tin gve hicles with
aut omati ctransmi ssion. #
Vehicles withaut omati ctransmi ssion
mus tno tbe tow star ted. 288288
Br
eakdo wnassist ance