2023 MERCEDES-BENZ A CLASS belt

#
Alwayseng ageseat belttongue 2oftheseat
belt intoseat beltbuckle1 ofthecor re-
spond ingseat.
% Aseat beltcanonlypr ov ide thebest leve lof
pr otection ifit is wo rncor rectl y.Obser vethe
no teson fasteni ng theseat belt(/page39). *
N NO O
TE TE
Deplo yment ofcom ponents ofthe
re str aint system when thefront passeng er
seat isunoccupied andaseat beltis
buc kled When
thefront passeng erseat isunoccupied
and theseat belttongue oftheseat beltis
eng aged intheseat beltbuckle, com ponents
of there str aint system maydepl oyunnecessa-
ri ly on thefront passeng erside, e.g.theEmer -
ge ncy Tensio ning Device . #
Onlybuc kletheseat belts asintended. %
Obser vetheno teson stor ag ear eas
(/ page100).
Inf ormatio non installing ach ild restr aint sys-
te m and onchildr entrav eling intheve hicle
can befound inthe"Childr enintheve hicle"
secti on(/ page55) . Se
atbelt adjus Se
atbelt adjustmen tfu nct ion tmen
tfu nct ion VV
ehicle swit ehicle
swit hPR E-S h
PR E-S AFE AFE
® ®
: :
ATer afront seat belt
has been fastene d,theaut omatic seatbeltadjust- ment
mayappl ya cer tain tight ening forc e. Do not
hold theseat belttightl ywhile itis adjusti ng.
Yo ucan activ ateand deactiv ateth eseat belt
adjustmen tfunction usingthemultimedia system
(/ page42). AA
ctiv ctiv
ating/deactiv ating/deactiv
atingseatbeltadjus ating
seatbeltadjustmen tvia tment
via
t t
he multimedia syst he
multimedia system em
Multimedia
system:
4 © 5
Settings 5
Vehicle #
Activateor dea ctivateBelt Adjustmen t. RR
elea sing seatbelts elea
sing seatbelts #
Press there lease buttonintheseat belt
buc kleand guide theseat beltbackwit hth e
seat belttongue. Seat
beltw Seat
beltwar ar
ning functi onf ning
functi onfor t or
the dr he
driv iv
er and fr er
and front ont
pas seng pas
seng er er
The
00E9 seatbelt warning lampin theInstr u-
ment Displa yis are minder that all vehicle occu-
pant smus twe artheir seat belts correctl y. 4242
Occupa
ntsaf ety

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

When
installing ach ild restr aint system onthe
fr ont passeng erseat,ob serveth eve hicle-spe ci/c
inf ormatio n(/ page62). Also,alw aysobser ve
th eno teson rear wa rd-faci ng orforw ard-f acing
ch ild restr aint system son thefront passeng er
seat (/page61).
Inf Inf
or or
mation onaut mation
onautomatic fr omatic
front passeng ont
passeng erairbag er
airbag
shut shut
o. o.
The front passeng erairbag canonlybe deplo yed
in an accident ifth ePA SSENGE RAIR BA GOF F
ind icat or lamp iso.. Ifth efront passeng erseat is
occupied, makesur e,bo th bef oreand during the
jour ney,that thestatus ofthefront passeng erair-
bag iscor rect (/ page47) .
* NO NO
TE TE
Deplo yment ofcom pone ntsofthe
re str aint system when thefront passeng er
seat isunoccupied In
an accident, thecom ponents ofthe
re str aint system maydepl oyunnecessar ily on
th efront passeng erside if:
R Ther ear ehea vyobjects onthefront
passeng erseat. R
The seat belttongue iseng aged intheseat
belt buckleofthefront passeng erseat and
th efront passeng erseat isunoccupied. #
Storeobjects inasuit able place. #
Onlyone person should useeachseat
belt atanyone time. Dependin
gon thede tected acciden tsituat ion,the
wind owcurtain airbag onthefront passeng erside
ma ydeplo y.The airbag isdep loye dre ga rdless of
whe ther thefront passeng erseat isoccupied. Pr
ot Pr
otection pro ection
provided b vided
by t y
the airbags he
airbags Depending
ontheaccident situation, anairbag
ma ysupplement thepr otection o.eredbyacor -
re ctl yfa stene dse at belt. &
W W
ARN ING ARN
INGRiskof injuryor deat hdue to
an inco rrect seat position
If yo ude viat efrom thecor rect seat positi on,
th eairbag cannotper form itsintended protec-
tiv efunction . Eac
hve hicle occupan tmus tmak esur eof the
fo llo wing:
R Fasten seat belts co rrectl y.Pregna nt
wo men must take par ticular careto ensur e
th at thelap belt neverlies across the
abdome n.
R Adoptth ecor rect seat positi onand keep
as farawa yas possi blefrom theairbags.
R Obser vethefo llo wing information. #
Alwaysmak esur eth at ther ear eno
objects between theairbag andvehicle
occupan t. To
avo idtherisk sre sult ing from thedeplo yment
of an airbag, eachve hicle occupan tmus tobser ve
th efo llo wing information inpar ticular :
R Beforestar ting your jour ney,adju styour seat
cor rectl y;thedr iver's seat andfront
passeng erseat should bemo vedas farbac k
as possible.
When doingso,alwaysobser vetheinf orma-
tion onthecor rect driver's seat positi on
(/ page87) . 4444
Occupant
safety

ch
ild restr aint system son thefront passeng er
seat (/page61).
A per son onthefront passeng erseat must
obser vethefo llo wing information:
R Fasten seat belts co rrectl y(/ page39).
R Sitinan almost upright seat position withth eir
bac kag ainst theseat backrest.
R Sitwithth eir feet resti ng on the0oor ,if possi-
ble.
The front passeng erairbag mayot her wise bedis-
abled bymist ake, forex am ple, inthefo llo wing sit-
uations:
R The front pass engertransf ersth eir weight by
suppor tingth emsel veson ave hicle armr est.
R The front passen gersits insuc hawa yth at
th eir weight israised from theseat surface. &
W W
AR NIN G AR
NIN GRisk ofinjuryor deat hdue toa
disabled front passeng erairbag
The front passeng erairbag isdisabled when
th ePA SSENGE RAIR BA GOF Find icat or lamp
is lit. A
per son inthefront passeng erseat could
th en, forex am ple, come intocont actwithth e
ve hicle interior ,especi allyif th eper son issit-
ting tooclose tothecoc kpit.
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 front passeng erseat hasbeen moved
as farbac kas possible.
R The person isseat edcor rectl y. #
Both bef oreand during thejour ney,
ensur eth at thestatus ofthefront
passeng erairbag iscor rect. If
th efront passeng erseat isoccupied, theclassi-
/cat ionoftheper son orchild restr aint system on
th efront passeng erseat take splace aTerthe
fr ont passeng erairb ag shuto. self-t est. The
PA SSENGE RAIR BA Gind icat or lamp sdispla yth e
st at us ofthefront passeng erairbag. Alw
aysobser vetheno teson thefunction ofthe
PA SSENGE RAIR BA Gind icat or lamp s
( / pag e47).
F F
unction oft unction
ofthe P he
PASS EN ASS
ENGER AIRBA GER
AIRBAGindicat G
indicat or or
lam lam
ps ps Occupant
safety
47 47

ch
ild, PASSENGE RAIR BA GOF Fma ybe litcontin -
uo uslyor be o.. Alwaysobser vethefo llo wing
inf ormation. &
W W
ARNIN G ARNIN
GRisk ofinjur yor deat hdue to
incor rect positi oningof thefo rw ard-f acing
ch ild restr aint system
If yo usecur each ild inafo rw ard-f acing child
re str aint system onthefront passeng erseat
th at isposit ioned tooclose tothecoc kpit, in
th eeve ntofan accid ent, thech ild could:
R come intocont actwithpar tsof theve hi-
cle's interior ifth ePA SSENGE RAIR BA G
OF Find icat or lamp islit, forex am ple
R bestru ck bytheairbag ifth ePA SSENGE R
AI R BA GOF Find icat or lamp iso. #
Alwaysmo vethefront passeng erseat as
fa rbac kas possible andfullyre tract the
seat cushion lengthadju stment .While
doin gso, alwaysmak esur eth at the
shoulde rbelt stra pis cor rectl yro uted
fr om theseat beltoutle tof theve hicle to
th eshoulder beltguide onthech ild
re str aint system .Th esh ou lder beltstr ap mu
stbe routed forw ards and down wards
fr om theseat beltoutle t.Ifnecessar y,
adju stthefront passeng erseat accor d-
ingl y. #
Alwayscom plywit hth ech ild restr aint
sy stem manufac ture r's inst allation
inst ruction s. When
installing ach ild restr aint system onthe
fr ont passeng erseat,ob serveth eve hicle-spe ci/c
inf ormatio n(/ page61).
If aper If
aper son issitt ing ont son
issitt ing onthe fr he
front passen g ont
passen ger seat er
seat: :
PA SSENGE RAIR BA GOF Fma ybe litcontin uously
or be o., dependin gon theper son's statur e.
A per son onthefront passeng erseat must always
obser vethefo llo wing information:
R Ifth efront passeng erseat isoccupied byan
adult oraper son withast atur ecor respond ing
to that of an adult ,th ePA SSENGE RAIR BA G
OF Find icat or lamp must beo.. This indicat es
th at thefront passeng erairbag isenabled.
If th ePA SSENGE RAIR BA GOF Find icat or
la mp islit continuousl y,an adult orper son wit
habuil dcor respond ingtothat of an adult
mus tno tuse thefront passeng erseat.
Inst ead, they should useare ar seat.
R Ifth efront passeng erseat isoccupied bya
per son ofsmaller statur e(e.g. ate enag eror
small adult), thePA SSENGE RAIR BA GOF F
ind icat or lamp iseit her litcontinuousl yor
re mains o.,dependi ngon theclassi/ cation.
- Ifth ePA SSENGE RAIR BA GOF Find icat or
la mp iso.: movethefront passeng erseat
as farbac kas possible, ortheper son of
smaller statur eshould useare ar seat.
- Ifth ePA SSENGE RAIR BA GOF Find icat or
la mp islit continuousl y:theper son of
smaller statur eshould notuse thefront
passeng erseat. &
W W
ARNIN G ARNIN
GRisk ofinjur yor deat hwhen
th ePA SSENGE RAIR BA GOF Find icat or
la mp islit
If th ePA SSENGE RAIR BA GOF Find icat or
la mp remains litaTer theself-t est,thefront
passeng erairbag isdisabled. Occupant
safety
49 49

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

Be
dilig Be
diligent ent
Bea rin mind that neg ligence when securinga
ch ild inthech ild restr aint system mayha ve ser i-
ous conse quences. Alwaysbe diligent insec uring
a ch ild car efull ybef oreev eryjour ney.
Ne verallo wbabies andchildr entotrave lsitting
on thelap ofano ther vehicle occupan t.
To improve protection forch ildr enyoung erthan
12 yearsold orund er5T (1.5 0m) inheig ht,
Mer cedes- Benzre commen dsyouobser vethefo l-
lo wing information:
R Alwayssecur eth ech ild inach ild restr aint sys-
te m suit able forth is Mer cedes-Benz vehicle.
R The child restr aint system mustbe appropr iate
to theag e, we ight andsize ofthech ild.
R The vehicle seatmustbe suit able forinst alling
a ch ild restr aint system .
Ac ciden tst atis tics showthat childr ensecur edon
th ere ar seats arege ner allysa ferth an childr en
secur edon thefront seats. Forth is reason,
Mer cedes- Benzst ro ngl yadvi sesthat youinst alla
ch ild restr aint system onare ar seat. The
g The
gene r ene
ric t ic
ter er
m c m
child r hild
res es
tr tr
aint syst aint
system em
The gener icterm child restr aint system isus ed in
th is Oper ator's Manual. Ach ild restr aint system
is ,fo rex am ple:
R Abab ycar seat
R Arear wa rd-faci ng child seat
R Aforw ard-f acing child seat
R Ach ild boost erseat withabac krest and seat
belt guide
Mer cedes-Benz recommen dsusing ach ild
boost erseat withabac krest.
The child restr aint system mustbe appropr iate to
th eag e, we ight andsize ofthech ild.
Obser v Obser
ve law e
laws and leg s
and legalr al
req eq
uir uir
ements ements
Alw aysobser vetheleg alrequ irements when
using ach ild restr aint system intheve hicle.
Obser v Obser
ve st e
standar andar
dsf ds
for c or
child r hild
res es
tr tr
aint syst aint
systems ems
All child restr aint system smu stme etthefo llo wing
st andar ds:
R U.S. Feder alMo torVe hicle SafetySt andar ds
213 and225 R
Canad ianMotorVe hicle SafetySt andar ds213
and 210. 2
Con/r mation that thech ild restr aint system com-
pl ieswi th thestandar dscan befound onan
inst ruction labelonthech ild restr aint system .
Th isco n/r mati oncan alsobe found intheinst al-
lation instruction sth at areincl uded withth ech ild
re str aint system . De
t De
tec ting r ec
ting ris k is
ks, av s,
avoiding dang oiding
danger er
SecurSecur
ingsyst ing
systems f ems
for c or
child r hild
res est
r tr
aint syst aint
systems in ems
in
t t
he v he
vehicle ehicle
Onl yuse thefo llo wing secur ingsystems forch ild
re str aint system s:
R TheLA TC H-ty pe(ISOFI X)secur ing rings
R The vehicle' sseat beltsystem
R The TopTe ther anc horages
Inst alling aLA TC H-ty pe(ISOFI X)child restr aint
sy stem isprefer red.
Sim plyatt aching tothesecur ingrings ontheve hi-
cle can reduce therisk ofins talling thech ild
re str aint system incorrectl y. 5252
Occupa
ntsaf ety