2023 MERCEDES-BENZ A CLASS lock

#
Inpar ticu lar,do notpar kon drygr ass-
land orhar vested grain /elds. &
W W
AR NIN G AR
NIN GRisk ofacciden tand injurydue
to childr enleT unatt ended intheve hicle
If ch ildr enareleT unsuper visedintheve hicle,
th ey could, inpar ticul ar:
R open doors,ther eb yendang ering other
per sons orroad user s.
R getout and bestruckby oncoming tra1c.
R oper ateve hicle equipme ntand become
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion ,fo rex am ple by:
R releasing thepar king brak e.
R chang ingthetransmission position.
R star ting theve hicle. #
Neverlea vechildr enunatt ended inthe
ve hicle. #
When leavingth eve hicle, alwaysta ke the
Sma rtKe ywit hyo uand lockth eve hicle. #
Keep theve hicle SmartKey out ofreac h
of childr en. *
N NO O
TE TE
Damag eto theve hicle duetoitro ll-
ing awa y #
Alwayssecur eth eve hicle agains tro lling
awa y. #
Bring theve hicle toast ands tillby pressing the
br ak epedal. #
Ongradien ts,turnth efront wheels sothat the
ve hicle willrollto wa rdsth ecurb ifit star ts
mo ving. #
Appl yth eelectr icpar king brak e. #
V V
ehicles wit ehicles
withaut h
aut omatic tr omatic
transmission: ansmission:
Engage
tr ansmission position005Dinast ationar yve hi- 148148
Dr
iving and parking

cle
withth ebr ak epedal applied
(/ page142). #
Switc ho. theve hicle bypressing button1. #
Release theser vice brak eslo wly . #
Getout oftheve hicle andlockit.
% When youpar kth eve hicle, youcan stilloper -
at eth eside windo wsand thepanor amicslid-
ing sunr oofforappr oximat elyfo ur minut esif
th edr iver's door isclosed. GarGar
ag ag
edoor opener e
door opener PrPr
og r og
ramming butt amming
buttons f ons
for t or
the g he
gar ar
ag ag
edoor opener e
door opener &
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 tohealt h
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 ofinjur yby becoming
tr apped whenopening andclosing a
ga rage door
When youoper ateor prog ram aga rage door
wit han integratedga rage door opener ,per -
sons canbecome trapped orstruckby the
ga rage door ifth ey stan dwi thin its rang eof
mo vement. #
Alwaysmak esur eth at nobo dyiswit hin
th era ng eof thega rage door's move-
ment. Onl
yoper ateth efo llo wing doorsusing thega rage
door opener :
R Door swit hasaf etyst op andre ve rsing featur e
R Door swhic hconf orm to thecur rent U.S.
sa fety standa rds
Bef oreprog ramming thega rage door opener ,par k
th eve hicle outside thega rage .Mak esur eth at the
ve hicle isswitc hedonbut notst ar ted. R R
eq eq
uir uir
ements: ements:
R The vehicle hasbeen parkedoutside the
ga rage oroutside thera ng eof mo vement of
th edoor .
R The vehicle isswitc hedon.
R The vehicle hasnotbeen star ted.
% The garage door opener function isalw ays
av ailabl ewhen theve hicle isswitc hedon. Dr
iving and parking
149 149

#
When leaving theve hicle, alwaysta ke the
Sma rtKe ywit hyo uand lockth eve hicle. #
Keep theve hicle SmartKey out ofreac h
of childr en. The
electr The
electr icpar ic
par king br king
brak ak
eis applied ift e
is applied ifthe tr he
trans- ans-
mission isin position mission
isin position 005D 005D
and one oft and
one ofthe f he
follo ollo
wing wing
conditions is conditions
isful/lled : ful/lled
:
R The vehicle isswitc hedo..
R The seat belttongue isno tinse rted intheseat
belt buckleofthedr iver's seat andthedr iver's
door isopened.
% Toprev ent application: pullthehandle ofthe
electr icpar king brak e(/ page153).
In t In
the f he
follo ollo
wing situations, t wing
situations, the electr he
electr icpar ic
par king king
br br
ak ak
eis also applied: e
is also applied:
R The HOLD function iske eping theve hicle sta-
tion ary.
R ActivePa rking Assist iske eping theve hicle
st ation ary.
R ActiveDist ance AssistDIS TRONI Cis bringing
th eve hicle toast ands till. R
Inaddit ion,one oft In
addit ion,one ofthe f he
follo ollo
wing conditions wing
conditions
mus mus
tbe t
be ful/lle d: ful/lle
d:
- The vehicle isswitc hedo..
- The seat belttongue isno tinse rted inthe
seat beltbuckleofthedr iver's seat and
th edr iver's door isopened.
- Ther eis asy stem malfunction.
- The powe rsuppl yis insu1c ient.
- The vehicle isstation aryfo ra lengt hy
per iod.
When theelectr icpar king brak eis applied, the
re d0049 (USA)or0024 (Canada) indicatorlam p
lights upintheinst rument cluster.
% The electr icpar king brak eis no taut omaticall y
applied ifth eve hicle isswitc hedo.bythe
EC Ostar t/s topfun ction.
F F
unction oft unction
ofthe electr he
electr icpar ic
par king br king
brak ak
e(r e
(releasing eleasing
aut aut
omaticall omaticall
y) y)
The electr The
electr icpar ic
par king br king
brak ak
eis r e
is released whent eleased
whenthe he
f f
ollo ollo
wing condition sar wing
condition sar e e
ful/lled: ful/lled:
R The driver's door isclosed.
R The vehicle hasbeen star ted. R
V V
ehicles wit ehicles
withaut h
aut omatic tr omatic
transmission: ansmission:
The
tr ansmission isin position 005Bor005E and you
depr esstheacceler ator pedal oryoushiT
fr om transmiss ionposition 005Dto005B or005E
when onleve lgr ound.
R Ifth etransmission isin position 005E,thetrunk
lid must beclosed.
R The seat belttongue isinse rted intoth eseat
belt buckleofthedr iver's seat.
If th eseat belttongue isno tinse rted intoth e
seat beltbuckleofthedr iver's seat, oneofthe
fo llo wing conditions mustbeful/lled :
- YoushiT from transmiss ionposition 005D.
or
- Youha ve prev iousl ydr iven atspeeds
gr eat erthan 2mp h(3 km /h).
Wh entheelectr icpar king brak eis released, the
re d0049 (USA)or0024 (Canada) indicatorlam p
in theinst rument clustergoes out. 152152
Dr
ivin gand parking

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

R
When theengine isoTen leTidling forlong
per iods
R Oper ation inpar ticular lydust ycondition s
and/or ifair -recir culation modeisfreq uentl y
used
In these orsimilar operating conditions, have the
int erior air/lter,air /lter,engine oiland oil/lter,
fo rex am ple, chang edmor efreq uen tly. The tires
must becheckedmor efreq uentl yif th eve hicle is
oper ated und erincr eased loads. Further informa-
tion canbeobt aine dat aqu ali/ed special istwo rk-
shop. Bat
t Bat
ter er
ydiscon nectionper y
discon nectionperiods iods
The
ASSYST PLUS service interva ldispla ycan cal-
culat eth eser vice duedateonl ywhen thebatt ery
is connect ed. #
Displa yand note down theser vice duedate
on theinst rument displa ybef oredisconne ct-
ing thebatt ery(/ page257). Engine
com Engine
compar par
tment tment
Opening
andclosing t Opening
andclosing the hood he
hood &
W W
ARNIN G ARNIN
GRisk ofaccident duetodriving
wit hth ehood unlocked
The hood mayope nand blockyour vie w. #
Neverre lease thehood when driving. #
Beforeev erytrip, ensur eth at thehood is
loc ked. &
W W
ARNIN G ARNIN
GRisk ofaccident andinjury
when openingand closin gth ehood
The hood maysuddenl ydr op intoth eend
position.
Ther eis arisk ofinjuryfo ran yone inthe
hood's rang eof mo vement. #
Donotopen orclose thehood ifth er eis
a per son inthehood's rang eof mo ve-
ment. &
W W
ARNIN G ARNIN
GRisk ofbur nswhen openin gth e
hood
If yo uopen thehood intheev ent ofan ove r-
heat edeng ineor/rein theengine compart-
ment, thefo llo wing situations mayoccur :
R Youma ycome intocont actwithho tga ses.
R Youma ycome intocont actwithot her
escapin gho toper ating0uids. #
Beforeopen ingthehood, allowthe
engine tocool down. #
Intheev ent ofa/r ein theengine com-
par tment, keep thehood closed andcall
th e/r eser vice. &
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomo ving
par ts
Com ponen tsintheengine compartment may
continue torunor star tune xpectedl yev en
when thedr ive sy stem isswitc hedo..
Obser vethefo llo wing ifyo umust open the
hood: 258258
Main
tenanc eand care

#
Pull plug7 withth ecable and/ller hose 3
out ofthetir ein0 ation compressor housing. #
Inser ttir esealant bottle 9insoc ket6 of
th etir ein0 ation compressor insuc hawa y
th at there dar ro w on tiresealan tbo ttle9
matc hesthere dar ro w on thetir ein0 ation
com pressor . #
Turn tiresea lant bottle 9aqu artertur n
cloc kwise. #
Inser tth eplug of/ller hose 3insoc ket5
of tiresea lant bottle 9. #
Turn /ller hose 3aqu artertur ncloc kwise. #
Remo vetheva lve cap from valve A onthe
fa ulty tire. #
Screw union nut4of/ller hose 3onto
va lve A. #
Inser tplug 7intoa12 Vsoc ketin your vehi-
cle. #
Turn theke yto position 0047intheignition lock. #
Press onand o.switch8 onthetir ein0 ation
com pressor .
The tirein0 ation compressor isswitc hedon.
The tireis in0 ated. Firs t, tir esea lant ispum-
ped intoth etir e. The pressur ema ybr ie0y rise
to appr oximat ely500 kPa(5 bar/73 psi).
Do no Do
notswitc t
switc h h
o. o.
t t
he tir he
tire e
in0 ation in0
ation com com
pr pr
essor essor
dur dur
ing t ing
this phas e! his
phas e! #
Letth etir ein0 ation compressor runfo ra max-
imum oftenminut es.
The tiresh ould then have attaine datir epr es-
sur eof atleas t200 kPa(2.0 bar/ 29psi).
If tir esealan tleak sout ,mak esur eyo uclean the
a.ect edarea asquickl yas possible. Itis prefer a-
ble touse clean water.
If yo uget tiresea lant onyour clo thing, have it
cleaned assoon aspossible withper chlor oethy-
lene.
If, If,
aTer aTer
t t
en minut en
minut es,atir es,
atir epr e
pr essur essur
eof 200 kPa e
of 200 kPa
(2.0 bar/29 psi)hasno (2.0
bar/29 psi)hasnotbeen att t
been attained: ained:
#
Switc ho. thetir ein0 ation compressor . Br
eakdo wnassist ance
277 277

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

#
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