2023 MERCEDES-BENZ A CLASS light

RR
es estr tr
aint syst aint
system function ality em
function ality When
theve hicle isswitc hedon,aself -tes tis per -
fo rm ed, during whic hth e0075 restr aint system
wa rning lamplights up.Itgoes outnolater than a
few secon dsaTer theve hicle isstar ted. The com-
ponent sof there str aint system areth en func-
tional. Malfunction
ingr Malfunction
ingres estr tr
aint syst aint
system em
A
malfunction hasoccur redin there str aint sys-
te m if:
R The 0075 restr aint system warning lampdoes
no tlight upwhen theve hicle isswitc hedon
R The 0075 restr aint system warning lamplights
up continuousl yor repeat edlydur ing ajour ney &
W W
ARNIN G ARNIN
GRisk ofinju rydue tomalfun c-
tions inthere str aint system
Co mp onent sin there str aint system maybe
acti vatedunint ention allyor notdeplo yas plan-
ned inan accident. #
Have there str aint system checkedand
re pair edimmediat elyat aqu ali/ed spe-
ciali stwo rkshop. FF
unct ionoft unct
ionofthe r he
res es
tr tr
aint syst aint
system inan acciden t em
inan acciden t Ho
wthere str aint system worksis de term ined by
th ese verity of theim pact detected and thetype
of accident anticipated:
R Front alim pact
R Rear impact
R Side impact
R Rollover
The activati on thre sholds forth ecom ponents of
th ere str aint system arede term ined based onthe
ev aluat ionofthesensor values measured atvari-
ous points intheve hicle. Thisprocess ispre-e mp -
tiv ein natur e.The trigg ering/deplo ymentofthe
com pone ntsofthere str aint system musttake
place ingood timeatthestar tof thecollision.
Fa ctor swhic hcan onlybe seen andmeasur ed
aTer acollisi onhas occur reddo notpla ya deci- siv
ero le in thedeplo yment ofan airbag. Nordo
th ey prov ide anindication ofairbag deployment.
The vehicle maybe def ormed signi/cantl ywit hout
an airbag beingdepl oyed.This isthecase ifonl y
par tswhic har ere lativ elyeasil ydef ormed are
a.ec tedand thera te of vehicle decel eration is
no thigh. Conversely, an airbag maybe depl oyed
ev en though theve hicle su.er sonl ymin ordef or-
matio n.Ifve ry rigid vehicle partssuc has lon gitu-
din almembe rsarehit, this ma yre sult insu1-
cientl yhigh leve ls of vehicle decel eration .
Depen dingon thede tected deplo yment situation,
th ecom ponents ofthere str aint system canbe
ac tiva tedor deplo yedindepende ntlyof eac h
ot her :
R Emer gency Tensio ning Device :fr ont alim pac t,
re ar impact, sideimpact, rollo ver
R Driver's airbag, front passeng erairbag: front al
im pact
R Knee airbag: front alim pact
R Side airbag: sideimpact
R Windo wcur tain airbag: sideimpact, rollo ver,
fr ont alim pa ct 3838
Oc
cupa nt safety

The
00E9 seatbel twa rning lamplights upforsix
seconds everytime theve hicle isstar ted.
In addition, awa rning tone maysou nd.
Whe nth edr iver's andfront passeng er'sdoor sar e
closed andthedr iver and front passeng erhave
fa stene dth eir seat belts, theseat beltwarning
goes out.
In thefo llo wing cases ,th eseat beltwarning lights
up dur ing ajour neyif:
R The vehicle speed exceeds 15mph(2 5km /h)
an dth edr iver's orfront passeng erseat beltis
no tfa stene d.
R Thedr iver or fron tpa sseng erunfast enstheir
seat beltwhile theve hicle isin mo tion . Air
bags Air
bags OvOv
er er
vie vie
wof airbag s w
of airbag s 1
Driver's knee airbag
2 Driver's airbag
3 Front passeng erairbag
4 Front passeng erknee airbag
5 Windo wcur tain airbag
6 Side airbag
The installation location ofan airbag isident i/ed
by theAIRB AGsymbol.
When enabled,anairbag canprov ide additional
pr otection forth ere specti vevehicle occupan t.Po
tential protection prov ided byeac hairbag:
R Knee airbag: thigh, knee andlowe rleg
R Driver's airbag, front passeng erairbag: head
and ribcag e
R Windo wcur tain airbag: head
R Side airbag: ribcag eand pelvis
* N NO O
TE TE
Mer cedes- AMGvehicles #
Obser vetheno tesin theSupplement.
Yo ucould other wise failto recogn ize
dang ers. &
W W
AR NIN G AR
NIN GRisk ofinjuryor deat hifth eco-
dr iver airbag isenabled
If th eco-dr iver airbag isenabled, ach ild on
th eco-dr iver seat maybe struckby theco-
dr iver airbag during anaccident.
NEVER useare ar wa rd-faci ng child restr aint
sy stem onase at with an ENA BLED FRONT
AIR BAG; DEA THorSER IOUS INJUR Yto the
CH ILD ca nocc ur. Occ
upantsafety
43 43

Self
-t Self
-tes est
ofaut t
of autom atic fr om
atic front passeng ont
passeng erairb ag shut- er
airb ag shut-
o. o.
Wh entheve hicle isswitc hedon,aself -tes tis per -
fo rm ed dur ing whic hth etw oPA SSENGE RAIR
BA GON and OFFind icat or lamp slig ht up simul ta-
neous ly.
The statu sof thefront passeng erairbag isdis-
pla yedvia thePA SSENGE RAIR BA Gind icat or
la mp saTer theself-t est:
R ON islit: ON
islit: thefront passeng erairbag may
deplo ydur ing anaccident.
The indicat orlam pgoes outaTer 60seconds.
R ON and OFF ar ON
and OFF areno e
no tlit: t
lit: thefront passeng er
airbag maydeplo ydur ing anaccident.
R OFF islit: OFF
islit: thefront passeng erairbag isdisa-
bled. Itwill then notbe deplo yedin theev ent
of an accident.
If th ePA SSENGE RAIR BA GON indicat or lamp is
o., onlyth ePA SSENGE RAIR BA GOF Find icat or
la mp showsthestatus ofthefront passeng erair-
bag. ThePASSENGE RAIR BA GOF Find icat or lamp
ma ybe litcontin uouslyor be o.. If
th ePA SSENGE RAIR BA GOF Find icat or lamp
and the0075 restr aint system warning lamplight
up simult aneousl y,thefront passeng erseat may
no tbe used. Alsointhis case, donotinst alla
ch ild restr aint system onthefront passeng er
seat. Have theaut omatic front passeng erairbag
shut o.checkedand repair edimmediat elyat a
qu ali/ed special istwo rkshop.
S S
t t
atus displa y atus
displa y
If th efront passeng erseat isoccupied, ensure,
bo th bef oreand during thejour ney,that thesta-
tus ofthefront passeng erairbag iscor rect forth e
cur rent situ atio n.
AT er AT
erinst inst
alling ar all
ing arear w ear
war ar
d-f d-f
acing c ac
ing chil dr hil
dres estr tr
aint aint
sy st sy
stem ont em
onthe fr he
front passeng ont
passeng ersea t er
sea t: :
PA SSENGE R
AI R BA GOF Fmu stbe litcontin uously. &
W W
ARNI NG ARNI
NGRisk ofinjur yor fata linjur y
when usingare ar wa rd-faci ng child
re str aint system while th eco-dr iver airbag
is enabled
If yo usecur each ild inare ar wa rd-faci ng child
re str aint system ontheco-dr iver seat andthe
PA SSENGE RAIR BA GOF Find icat or lamp is o.,
theco-dr iver airbag candeplo yin the
ev ent ofan accident.
The child could bestruckby theairbag. #
Alwaysensu rethat theco-dr iver airbag is
disabled. ThePASSENGE RAIR BA GOF F
ind icat or lamp must belit. #
NEVER useare ar wa rd-faci ng child
re str aint system onase at with an ENA -
BL ED FRONT AIRBAG; DEA THorSER I-
OUS INJUR Yto theCHILD canoccur . When
installing ach ild restr aint system onthe
fr ont passeng erseat,ob serveth eve hicle-spe ci/c
inf ormatio n(/ page61).
Depen dingon thech ild restr aint system andth e
st at ur eof thech ild, thePA SSENGE RAIR BA GOF F
ind icat or lamp maybe o.. Inthis case, donot
inst allthere ar wa rd-faci ng child restr aint system
on thefront passeng erseat.
Inst ead, installth ere ar wa rd-faci ng child restr aint
sy stem onasu itab lerear seat.
ATer ATer
inst ins
tallin gaf allin
gafor w or
war ar
d-f d-f
acing c acing
child r hild
res es
tr tr
aint sy aint
sys- s-
t t
em ont em
onthe fr he
front passen g ont
passen ger seat er
seat: :
depen dingon
th ech ild restr aint system andth estatur eof the 4848
Occupa
ntsaf ety

If
th efront passeng erseat isoccupied, always
ensur eth at:
R The classi/cation oftheper son inthefront
passeng erseat iscor rect and thefront
passeng erairbag isenabled ordisabled in
accor dance withth eper son inthefront
passeng erseat.
R The person isseat edproper lywit hacor -
re ctl yfa stene dse at belt.
R Thefron tpa sseng erseat hasbe en mo ved
as farbac kas possible. Be
sureto also obser vethefo llo wing further rela-
te dsubjects:
R Child restr aint system onthefront passeng er
seat (/page61) PRE-SPRE-S
AFE AFE
® ®
sy st sy
stem em
FF
unction ofPRE-S unction
ofPRE-S AFE AFE
® ®
(anticipat (anticipat
or or
yoccupant y
occupant
pr ot pr
otection) ection)
PRE-S
AFE®
is able todetect cer tain critical driv-
ing situations andimplement pre-em ptive meas-
ur es toprotect theve hicle occupan ts.
PR E-S AFE ®
can impleme ntthefo llo wing meas-
ur es independentl yof eac hot her :
R Tight ening theseat belts onthedr iver's seat
and front passeng erseat.
R Closing theside windo ws.
R V V
ehicles wit ehicles
withsliding sunr h
sliding sunroof: oof:
closing theslid-
ing sunr oof.
R V V
ehicles wit ehicles
withmemor h
memor yfunction : y
function :mo ving the
fr ont passeng erseat to amor efa vo rable seat
position.
R PRE-S AFE®
Soun d:prov ided that themultime-
dia system isswitc hedon,gener ating abr ief
nois esigna lto stimu late theinnat epr otectiv e
mec hanism ofaper son's hearing. *
N NO O
TE TE
Damag ecaused byobjects inthe
fo ot we llor behind theseat The
automatic adjustmen tof theseat position
ma yre sult indamag eto theseat and/or the
object. #
Stow objects inasuit able place. RR
e e
v v
er er
sing t sing
the PRE- S he
PRE- SAFE AFE
® ®
sy st sy
stem measur em
measur es es
If
an accident didnotoccur ,th epr e-em ptive
measur esthat we retake nar ere ve rsed.
Yo uwill need toper form certain settings yourself. #
Ifth eseat beltpre-t ensioning isno tre duced,
mo vetheseat backrest backslightl y.
The locking mechanism releases. FF
unction ofPRE-S unction
ofPRE-S AFE AFE
® ®
PL PL
US (anticipat US
(anticipat or or
yoccu- y
occu-
pant prot pant
protection plus) ection
plus) PRE-S
AFE®
PL US can detect cer tain impacts, par-
ticular lyan immin entrear impact, andtake pre-
em ptive measur estoprotect theve hicle occu- 5050
Occupan
tsaf ety

pants.
Thesemeasur escanno tnecessar ily pr e-
ve nt an imm inent impac t.
PRE-S AFE®
PL US canim plem entthefo llo wing
measur esindependentl yof eac hot her :
R Tight ening theseat belts onthedr iver's seat
and front passeng erseat.
R Incr easing brak epr essur ewhen theve hicle is
st ation ary. This brak eapp licati on isca ncel ed
aut oma tically wh en theve hicle pullsawa y.
If an accide ntdid notoccur ,th epr e-em ptive
measur esthat we retake nar ere ve rsed.
Sy st Sy
stem limits em
limits
The system will notinitiat ean yaction inthefo l-
lo wing situations:
R When backing up
The system will notinitiat ean ybr aking applica tion
in thefo llo wing situations:
R Whilst driving
or
R When entering orexiting apar king space while
using ActivePa rking Assist AA
ut ut
omatic measur omatic
measures es
aTer aTer
anaccident an
accident
Depending onthetype andseverity of theacci-
dent, anddepending ontheve hicle' seq uipme nt,
th efo llo wing measur escan beimplement ed,for
ex am ple:
R Automatic braking (post-collision brak e)
R Activating thehazar dwa rning light system
R Trigg ering anaut omatic emergency call
(/ page246)
R Switc hingo.theengine
To star tth eve hicle again, switc hth eve hicle
o. and ononce more(/ page129) .Depen d-
ing onthetype andseverity of theaccident,
yo uma yno long erbe able tostar tth eve hicle.
R Switching o.thefuel suppl ysy stem
R Unloc kingtheve hicle doors
R Lowe ring theside windo ws
R Displa yingtheemer gency guide inthemulti-
media system displa y
R Switc hingontheint erior lighting F F
unction oft unction
ofthe pos he
post-collision br t-collision
brak e ak
e
Depending ontheaccident situation, thepost-col-
lision brak ecan minimize these verity of afur ther
collision oreve navo idit.
If an accident isde tected, thepost-collision brak e
can implement automatic braking. Whentheve hi-
cle has come toast ands till,th eelectr icpar king
br ak eis aut omaticall yapplied.
The driver can cancel automatic braking bytaking
th efo llo wing actions:
R Braking morestr ongl yth an aut omati cbr aking
R Fully depr essing theacceler ator pedal with
fo rc e SafSaf
el el
ytr y
trans por ans
porting c ting
chi ld r hi
ld ren int en
inthe v he
veh icle eh
icle Alw
ay Alw
aysobser v s
obser ve when c e
when childr hildr
enar en
aretrav e
traveling int eling
inthe he
v v
ehicle ehicle
%
Also strictl yobser vethesaf etyno tesfo rth e
speci/c situation .In this wa yyo ucan recog-
niz epo tential risk sand avoiddang ersif ch il-
dr en aretrav eling intheve hicle
(/ page52). Occupan
tsaf ety
51 51

-
Sec uring thech ild restr aint system with
th eseat beltonthefront passeng erseat
(/ page62). Obser vethespeci/c
inst ruction sfo rth ere ar wa rd-faci ng and
fo rw ard-f acing child restr aint system s
(/ page 61).
If th efront passeng erseat isoccupied,
ensur e,bo th bef oreand during thejour -
ne y,that thestatus ofthefront passeng er
airbag iscor rect forth ecur rent situ atio n
(/ page47).
R Obs erve thewa rning labels intheve hicle inte-
ri or and onthech ild restr aint system .
R Alsose cu re TopTe ther ifpr esent.
Do no Do
notmodify t t
modify the c he
child r hild
res estr tr
aint syst aint
system em
&
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomodi/ca-
tions tothech ild restr aint system
Th ech ild restr aint system can nolongerfunc-
tion proper ly.This posesan incr easedrisk of
inj ury. #
Nevermodify ach ild restr aint system . #
Onlya1x accessor ieswhic hha ve been
speciall yappr ovedfo rth is ch ild restr aint
sy stem bythech ild restr aint system 's
ma nufac ture r. OnlOnl
yuse c y
use child r hild
res est
r tr
aint syst aint
systems whic ems
whichar h
ar ein e
in
pr pr
oper w oper
wor or
king conditi on king
conditi on &
W W
ARNIN G ARNIN
GRisk ofinjuryor deat hcaused
by theuse ofdamag edchild restr aint sys-
te ms
Child restr aint system sor their retaining sys-
te ms that have been subject edtostr essin an
ac cide nt ma yno tbe able toper form their
int ended protectiv efunction .
It ma ybe thecase that thech ild canno tbe
pr oper lyrestr ained . #
Alwaysimmed iatelyre place child
re str aint system sth at have been dam-
ag ed orinvo lved inan accident. #
Have thesecur ingsystems forth ech ild
re str aint system sch eckedat aqu ali/ed
special istwo rkshop beforeins talling a
ch ild restr aint system again. AA
v v
oi d dir oi
d direc tsu nli gh t ec
tsu nli gh t &
W W
ARN ING ARN
INGRiskof burnswhen thech ild
seat isex posed todirect sunlight
If th ech ild restr aint system isex posed to
dir ect sunlight orheat, partscould heatup
ex cessiv ely.
Childr encould su.er burnsfrom these parts,
par ticular lytheme tallic partsof thech ild
re str aint system . #
Alwaysmak esur eth at thech ild restr aint
sy stem isno tex posed todirect sunlight. #
Coverth ech ild restr aint system with a
blank et,fo rex am ple. #
Ifth ech ild restr aint system hasbe en
ex posed todirect sunlight, allowitto
cool beforesecur ingach ild intoit. #
Neverlea vechildr enunatt ended inthe
ve hicle. 5454
Occupan
tsaf ety

AA
ctiv ctiv
atin gor deactiv atin
gor deactiv atingt atin
gthe special seatbelt he
special seatbelt
re re
tr tr
act act
oroft or
ofthe sea tbelt he
sea tbelt &
W W
ARNING ARNING
Riskofinjur yor deat hifasea t
belt isunf astened whiletheve hicle isin
mo tion
If th eseat beltisreleased whiletheve hicle is
in mo tion ,th especial seatbeltretract oris
deac tivated and thech ild restr aint system is
no long er correctl ysecur ed.The seat beltis
dr aw nin slightl yby theiner tiareel and canno t
be immediat elyclosed again. #
Stop theve hicle immed iatelyin accor d-
ance withth etra1c conditions. #
Activateth especial seatbeltretract or
ag ain and correctl ysecur eth ech ild
re str aint system . Wh
enena bled ,th especial seatbeltretract or
ensur esthat theseat belts ofthefront passeng er
seat andrear seats donotslac kenonce thech ild
re str aint system isse cu red. The
seat belts onthefo llo wing seats areeq uipped
wit haspecia lseat beltretract or:
R Front passeng erseat
R Rear seats
Ins t Ins
tallin gac allin
gachild r hild
res es
tr tr
aint syst aint
system em
#
When installing ach ild restr aint system ,
al wa ys obser vethemanuf acturer'sinstallation
and oper ating instruction sas wellas theinf or-
mation inthis Oper ator's Manual. #
Pull theseat beltsmoo thly from theseat belt
outle t. #
Eng ageth eseat belttongue intheseat belt
buc kle.
A A
ctiv ctiv
ating t ating
the special seatbeltre he
special seatbeltretr tr
act act
or or
#
Pull theseat beltoutfullyand letth einer tia
re el retract itag ain.
When thespecial seatbeltretract orisacti va-
te d, youwill hear ara tche ting sound . #
Push thech ild restr aint system down untilth e
seat beltsitstightl y. Deactiv Deactiv
atingt ating
the special seatbeltre he
special seatbeltretr tr
act act
or or
#
Press there lease buttonoftheseat belt
buc kle. #
Hold theseat belttongue andguide backto
th eseat beltoutle t. InstInst
alling aLA TC allin
gaLA TC H-ty pe(ISOFI X)c H-ty
pe(ISOFI X)chil dr hil
dres estr tr
ain t ain
t
sy st sy
stem ont em
onthe he
leT leT
and r and
righ tr igh
trea rse ats ea
rse ats InstInst
alling aLA TC allin
gaLA TC H-ty pe(ISOFI X)c H-ty
pe(ISOFI X)chil dr hil
dres estr tr
ain t ain
t
sy st sy
stem ont em
onthe he
leT leT
and r and
righ tr igh
trea rse ats ea
rse ats &
W W
ARNI NG ARNI
NGRisk ofaccid ent ifth ere ar
ben chseat, rear seat andseat backres t
ar eno teng aged
The rear ben chseat, rear seat andseat back-
re st ma yfo ld forw ards, even when youar e
dr iving.
R Asare sult ,th eve hicle occupan twill be
pushed intoth eseat beltwithincr eased
fo rc e. The seat beltwillnotbe able topro-
te ct as intende dand could cause addi-
tion alinj ury. 5656
Occupa
ntsaf ety

R
Objects orloads inthetrunk orcar go
com partment willnotbe restr ained bythe
seat backres t. #
Mak esur eth at there ar ben chseat, the
re ar seat andtheseat backrest are
eng aged bef oreev erytrip. If
th ere ar seat backres tis no teng aged and
loc kedin place, there dloc kve ri/catio nindic ator
wil lbe visib le. &
W W
AR NIN G AR
NIN GRisk ofinju ry or deat hifth e
per missible gross mass ofthech ild and
ch ild restr aint system toge ther isexcee-
ded.
To omuc hload maybe placed ontheLA TC H-
typ e(ISOFI X)child restr aint system andth e
ch ild ma yno tbe restr ained correctl yin the
eve ntofan accid ent, forex am ple. #
Ifth ech ild and thech ild restr aint system
to get her weigh mor eth an theper missi-
ble gross mass of73 lb(33 kg),onl yuse
a LA TC H-ty pe(ISOFI X)child restr aint sy
stem with whic hth ech ild issecur ed
wit hth eve hicle seatbelt. #
Also secur eth ech ild restr aint system
wi th theTo pTe ther belt, ifav ailabl e. Alw
ayscom plywit hth einf ormation aboutthe
mass ofthech ild restr aint system :
R Inthemanuf acturer'sinstallation andoper at-
ing inst ruction sfo rth ech ild restr aint system
us ed
R Onalabe lon thech ild restr aint system ,if
pr es ent
Re gula rly ch eckth at theper missible gross mass
of thech ild and child restr aint system issti llco m-
pl ied wi th.
When installing ach ild restr aint system ,ob serve
th efo llo wing:
0073 Alwaysobser vethecor rect use oftheseats
and consider their suit ability foratt aching a
ch ild restr aint system .
0073 Alwayscom plywit hth emanuf acturer's
inst allation andoper ating instruction sfo rth e
ch ild restr aint system used . 0073
Makesur eth at thech ild's feet do notto uc h
th efront seat. Ifnecessar y,mo vethefront
seat slightl yfo rw ards.
® When installing aLA TC H-ty pe(ISOFI X)child
re str aint system ,al so observeth efo llo wing:
0073 When usingabab When
usingabab ycar seat inw y
car seat inweight gr eight
group oup
0/0+ andar 0/0+
andarear w ear
war ar
d-f d-f
acing c acing
child r hild
res est
r tr
aint aint
sy st sy
stem inw em
inweight gr eight
group Ion ar oup
Ion arear seat ear
seat: :
adjus tth efront seat sothat theseat does
no tto uc hth ech ild restr aint system .
0073 Whenusing af Wh
enusing afor w or
war ar
d-f d-
fac ing c ac
ing chi ld r hi
ld res est
r tr
ai nt ai
nt
sy st sy
stem inw em
inwei gh tgr eight
group I: oup
I:re mo vethehead
re str aint from there specti veseat, ifpossibl e.
In addit ion,th ebac krest ofthech ild restr aint
sy stem mustlie as 0at asposs ibleag ain st
th ebac krest oftheve hicle seat.
ATer thech ild restr aint system hasbe en
re mo ved, replace thehead restr aint imme di-
at elyand adjustall head restr aints correctl y.
0073 Ifth ehead restr aint ofthech ild seat canno t
be fullyex tended when itis inst alled inthe
ve hicle, this will result inrestr iction son the
maximum sizesettin gfo rch ild restr aint sys-
te ms inwe ight group IIor III. Occupant
safety
57 57