ECU MERCEDES-BENZ S CLASS 2022 User Guide

The
status ofthefront passeng erairbag isdis‐
pla yedvia thePA SSENGER AIRBAGind icat or
lam psafte rth eself-t est:
R ON islit:th efront passeng erairbag may
deplo ydur ing anacciden t.
The indicat orlam pgoes outafte r60 sec‐
onds.
R ON and OFF areno tlit :th efront passeng er
airbag maydeplo ydur ing anacciden t.
R OFF islit:th efront passeng erairbag isdisa‐
bled. Itwill then notbe deplo yedin theeve nt
of an acci dent.
If th ePA SSENGER AIRBAGON indicat orlam pis
of f,on lythePA SSENGER AIRBAGOF Find icat or
lam psho wsthest atus ofthefront passeng er
airbag. ThePASSENGER AIRBAGOF Find icat or
lam pma ybe litcon tinuousl yor be off.
If th ePA SSENGER AIRBAGOF Find icat orlam p
and the0075 restra int system warning lam p
light upsimult aneousl y,thefront passeng erseat
ma yno tbe used. Alsointhis case, donotins tall
a ch ild restra int system onthefront passeng er
seat. Have theaut omatic front passeng erairbag shut
offch eckedand repair edimmediat elyata
qu alif ied spec ialistwo rkshop.
St atus displa y
If th efront passeng erseat isoccupied, ensure,
bo th bef oreand during thejour ney,that thest a‐
tus ofthefront passeng erairbag iscor rect for
th ecur rent situa tion.
Af terin st alli ng are ar wa rd-faci ng child
re stra int system onthefront passeng er
seat :PA SSENGER AIRBAGOF Fmus tbe litcon ‐
tin uousl y. &
WARNIN GRisk ofinju ryor fata linj ury
when usingare ar wa rd-faci ng child
re stra int system while theco- driver air‐
bag isenabled
If yo usec ureach ild inare ar wa rd-faci ng
ch ild restra int system ontheco- driver seat
and thePA SSENGER AIRBAGOF Find icat or
lam pis off,th eco- driver airbag candeplo yin
th eeve ntofan acci dent.
The child could bestru ck bytheairbag. #
Alw aysensur eth at theco- driver airbag
is disabled. ThePASSENGER AIRBAG
OFF indicat orlam pmus tbe lit. #
NEVER useare ar wa rd-faci ng child
re stra int system onaseat withan ENA‐
BLE DFR ONT AIRBAG;DE ATHor SERI‐
OUS INJURYtotheCH ILD can occur . When
installing ach ild restra int system onthe
fr ont passeng ersea t,obse rveth eve hicle-spe‐
cif icinf ormation (/page68).
Depending onthech ild restra int system and the
st atur eof thech ild, thePA SSENGER AIRBAG
OFF indicat orlam pma ybe off.In this case, do
no tins tallth ere ar wa rd-faci ng child restra int
sy stem onthefront passeng erseat.
Ins tead, installth ere ar wa rd-faci ng child
re stra int system onasuit able rear seat .
Af terin st alli ng afo rw ard-f acin gch ild
re stra int system onthefront passeng er
seat :depen dingonthech ild restra int system
and thest atur eof thech ild, PASSENGER AIR
BA GOF Fma ybe litcon tinuousl yor be off.
Alw aysobser vethefo llo wing informatio n. Occ
upant safety 55

Fu
nction ofthepos t-collision brak e
Dep endingontheacciden tsituation ,th epos t-
collision brak ecan minimiz eth ese verity of afu r‐
th er collision oreve navo idit.
If an acc ident isde tected, thepos t-collision
br ak ecan implement automatic braking. When
th eve hicle hascome toast ands till,th eelectr ic
par king brak eis aut omaticall yapplied.
The driver can canc elaut omatic braking bytak‐
ing thefo llo wing actions :
R Braking morest ro ng lythan aut omat icbrak‐
ing
R Fully depr essin gth eacceler ator pedal with
fo rc e Saf
elytranspor tingchildr enintheve hicl e Alw
aysobser vewhen childr enaretrav eling
in theve hicl e %
Also strictly observe thesaf etyno tesfo rth e
specif icsituation. Inthis wa yyo ucan recog‐
nize potentia lri sk sand avoiddang ersif ch il‐
dr en aretrav eling intheve hicle
(/ page60). Be
dilig ent
Bear inmind that neg ligenc ewhen securing a
ch ild inthech ild restra int system mayha ve ser i‐
ous conseq uences. Alwaysbe dilig entinsecur‐
ing ach ild car efull ybef oreeve ryjou rney .
To improve protect ion forch ildr enyoung erthan
12 yearsold orunde r5 ft (1.50 m)inheight ,
Mer cedes- Benzre comme ndsyouobse rveth e
fo llo wing informatio n:
R Alw ayssecur eth ech ild inach ild restra int
sy stem suitable forth is Mer cedes -Benz vehi‐
cle.
R The child restra int system mus tbe appr opri‐
at eto theag e, we ight andsize ofthech ild.
R The vehicle seatmustbe suit able forins tal‐
ling ach ild restra int system.
Ac cid ent statis ticssho wthat childr ensecur ed
on there ar seat sar ege ner ally saf erthan chil‐
dr en secur edon thefront seats. Forth is reason ,
Mer cedes-Ben zst ro ng lyadvis esthat youins tall
a ch ild restra int system onare ar seat . Th
ege ner icterm child restra int system
The gener icterm child restra int system isused
in this Opera tor's Manua l.A ch ild restra int sys‐
te m is, forex am ple:
R Abab ycar seat
R Arear wa rd-faci ng child seat
R Aforw ard-f acin gch ild seat
R Ach ild boos terseat withabac kres tand seat
belt guide
Mer cedes-Benz recomme ndsusing ach ild
boos terseat withabac kres t.
The child restra int system mus tbe appr opriate
to theag e, we ight andsize ofthech ild.
Obser velaws and legalrequ irement s
Alw aysobser vetheleg alrequ iremen tswhen
using ach ild restra int system intheve hicle. Occupant
safety 59

Obser
vestandar dsforch ild restra int sys‐
te ms
All child restra int systems mustmee tth efo llo w‐
ing standar ds:
R U.S. Feder alMo torVe hicle SafetySt andar ds
21 3and 225
R Canadi anMo torVe hicle SafetySt andar ds
21 3and 210.2
Conf irmatio nth at thech ild restra int system
com plies withth est andar dscan befound onan
ins truct ion label onthech ild restra int system.
This confirm atio ncan also befound intheins tal‐
lation instruct ions that areinc luded withth e
ch ild restra int system. De
tectin grisk s,avo iding danger Secur
ingsystems forch ild restra int systems
in theve hicl e
Only usethefo llo wing secur ingsystems forch ild
re stra int systems:
R The LATC H-type (ISOFIX )secu ring rings
R The vehicle's seatbeltsystem R
The TopTe ther anc horages
Ins talling aLA TC H-type (ISOFIX )ch ild restra int
sy stem isprefer red.
Sim plyatt aching tothesecur ingrings onthe
ve hicle canreduce therisk ofins talling thech ild
re stra int system incor rectl y.
When securingach ild withth eint egr ated seat
belt oftheLA TC H-type (ISOFIX )ch ild restra int
sy stem, alwayscom plywithth eper missible
gr oss weight forth ech ild and child restra int sys‐
te m (/ page64 ).
A boos terseat maybe necessar yto achie ve
pr oper seatbeltposition ingforch ildr enove r
40 lbs (18 kg )in we ight orunt ilth ey reac ha
heigh twher eath re e-point seatbeltcanbe
ins talled proper lywit hout aboos terseat.
Mer cedes-Benz recomme ndsasu itab lech ild
boos terseat withabac kres tand seat beltguide.
Ad vantag eof are ar wa rd-faci ng child
re stra int system
It is prefer able totrans portabab yor asmall
ch ild inasuit able rear wa rd-faci ng child restra int
sy stem. Inthis case, thech ild sits intheoppo‐ sit
edir ect ion tothedir ect ion oftra veland faces
ba ckwa rds.
Babies andsmall childr enhave com parativ ely
we ak nec kmusc lesinrelation tothesize and
we ight oftheir head. Therisk ofinjur yto thecer‐
vical spine during anacciden tcan bereduced in
a re ar wa rd-faci ng child restra int system.
Alw ayssecur each ild restra int system cor‐
re ctl y &
WARNIN GRisk ofinju ryor deat hdue to
inc orrect ins tallation ofthech ild
re stra int system
The child can then notbe protect edor
re stra ined asintended . #
Besureto com plywith themanuf actur‐
er's installation instruct ions forth e
ch ild restra int system and itscor rect
us e. #
Makesur eth at theent ire base ofthe
ch ild restra int system alwaysre stson
th esitt ing surface oftheseat. 60
Occupant safety

#
Neverpla ceobjects (e.g.cushi ons)
under orbehi ndthech ild restra int sys‐
te m. #
Use child restra int systems onlywit h
th eor iginal coverdesi gned forth em. #
Alw aysre place damag edcovers wit h
ge nui ne covers. &
WARNIN GRisk ofinju ryor deat hdue to
uns ecur edchild restra int systems inthe
ve hicle
If th ech ild restra int system isincor rectl y
ins talled ornotsecur ed,itcan com eloose.
The child restra int system could beflung
ar oun dand hitvehicle occupants. #
Alw aysins tallch ild restra int systems
cor rectl y,eve nwh en notin use. #
Alw ayscom plywit hth ech ild restra int
sy stem manuf acturer'sinstallation
ins truct ions . R
Alw aysobser vethech ild restra int system
manuf acturer'sinstallation andopera ting ins
truct ions aswellas theve hicle-specif ic
inf ormation:
- Installing theLA TC H-type (ISOFIX )ch ild
re stra int system onthere ar seat
(/ page64 ).
- Sec uring thech ild restra int system with
th eseat beltonthere ar seat
(/ page67 ).
- Sec uring thech ild restra int system with
th eseat beltonthefront passeng erseat
(/ page69). Obser vethespecif ic
ins truction sfo rth ere ar wa rd-faci ng and
fo rw ard-f acin gch ild restra int systems
(/ page68).
If th efront passeng erseat isoccupied,
ensur e,bo th bef oreand during thejour‐
ne y,that thest atus ofthefront
passeng erairbag iscor rect forth ecur‐
re nt situa tion(/ page 54).
R Obser vethewa rning labels intheve hicle
int erior and onthech ild restra int system.
R Also secur eTo pTe ther ifpr esent . Do
notmodif yth ech ild restra int system &
WARNIN GRisk ofinju rydue tomodif i‐
cations tothech ild restra int system
The child restra int system can nolong er
func tion proper ly.This poses anincr eased
ri sk ofinjur y. #
Nevermodify ach ild restra int system. #
Onlyaf fix acce ssories whic hha ve been
speciall yappr oved forth is ch ild
re stra int system bythech ild restra int
sy stem's manuf acturer. Onl
yuse child restra int systems whichar ein
pr oper working condit ion &
WARNIN GRisk ofinju ryor deat hcaused
by theuse ofdamag edchild restra int
sy stems
Child restra int systems ortheir retainin gsy s‐
te ms that have been subjec tedto stre ss in
an accident mayno tbe able toper form their
int ended protect ive func tion. Occ
upant safety 61

It
ma ybe thecase that thech ild can notbe
pr oper lyrestra ined. #
Alw aysimmediat elyre place child
re stra int systems that have been dam‐
ag ed orinvo lved inan acc ident . #
Have thesecur ingsystems forth ech ild
re stra int systems checkedat aqu alif ied
spec ialistwo rkshop beforeins talling a
ch ild restra int system again. Av
oid direct sunli ght &
WARNIN GRisk ofburnswhen thech ild
seat isex posed todirect sunlight
If th ech ild restra int system isex posed to
dir ect sunlight orheat, partscould heatup
exc essiv ely.
Childr encould sufferbur nsfrom these parts,
par ticular lytheme tallic partsof thech ild
re stra int system. #
Alw aysmak esur eth at thech ild
re stra int system isno tex posed to
dir ect sunlight . #
Coverth ech ild restra int system witha
blank et,fo rex am ple. #
Ifth ech ild restra int system has been
ex posed todirect sunlight ,allo witto
cool beforesecu ring ach ild intoit. #
Neverlea vechildr enunat tende din the
ve hicle. Obser
vewhen stopping orpar king &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunsuper visedintheve hi‐
cle, they cou ld,in pa rticular :
R open doors,ther eb yendang ering other
per sons orroad user s.
R getou tand bestru ck byoncom ingtraf‐
fi c.
R ope rate vehicle equipment andbecome
tr apped, forex am ple. In
addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R releasing thepar king brak e.
R chang ingthetra nsmiss ionposition .
R star tin gth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Keep theve hicle SmartKey out ofreac h
of childr en. &
WARNIN GDang ertolife due toexpo‐
sur eto extreme heat or col din theve hi‐
cle
If people, particular lych ildr en, areex posed
to extreme temp eratur esove ran extende d
pe riod oftime, ther eis arisk ofser ious
injur yor dang ertolife. #
Neverlea veper sons, childr eninpar tic‐
ular ,unat tende din theve hicle. 62
Occupant safety

Ov
ervie wof suitable seatsintheve hicl efo r
ins talling ach ild restra int system Lef
t/right rear seat
Pr efer redsecur ingsystem:
® LATC H-type (ISOFIX )ch ild seat secur ing
sy stem
¯ Alsosecur eTo pTe ther ifpr esent
(/ page66).
Alt ernativ esecur ingsystem:
0076 Ve
hicle seatbelt
Fr ont passeng erseat
Sec uring system:
0076 Ve
hicle seatbelt
Be sureto obser ve:
R Ifth efront passeng erseat isoccupied,
ensur e,bo th bef oreand during thejour ney,
th at thest atus ofthefront passeng erairbag
is cor rect forth ecur rent situa tion
(/ page 54). R
Noteson aut omatic front passeng erairba g
shut off(/ page53).
Cent errear seat
Secur ingsystem:
0076 Ve
hicle seatbelt
¯ Alsosecur eTo pTe ther ifpr esent
(/ page66). Ac
tiv atin gor deac tivatin gthe special seat
be ltre tract or &
WARNIN GRisk ofinju ryor deat hif a
seat beltisunf astened while th eve hicle
is in mo tion
If th eseat beltisreleased whiletheve hicle is
in mo tion, thespecial seatbeltretract oris
de acti vatedand thech ild restra int system is
no long ercor rectl ysecu red. The seat beltis
dr aw nin slig htly bytheiner tiareel and can‐
no tbe immediat elyclosed again. #
Stop theve hicle immediat elyinaccor d‐
ance withth etraf fic condi tions. #
Activateth especial seatbeltretract or
ag ain and correctl ysecu rethech ild
re stra int system. When
enabled, thespecial seatbeltretract or
ens ures that theseat belts ofthefront
passeng erseat andrear seat sdo notslac ken
once thech ild restra int system issecur ed.
The seat belts onthefo llo wing seats areeq uip‐
ped withaspec ialseat beltretract or:
R Front passeng erseat
R Rear seat s
Ins tallin gach ild restra int system: #
When installing ach ild restra int system,
alw aysobser vethemanuf acturer'sinstalla‐
tion andopera tingins truct ions aswellas the
inf ormatio nin this Opera tor's Manua l. #
Pullth eseat beltsmoo thly from theseat belt
outle t. #
Engage theseat belttongu ein theseat belt
buc kle. Occ
upant safety 63

Ac
tiv atin gthe special seat beltre tract or: #
Pullth eseat beltoutfully andletth einer tia
re el retract itag ain.
Wh enthespecial seatbeltretract orisacti va‐
te d, youwill hear ara tche ting sound. #
Push thech ild restra int system down until
th eseat beltsitstight ly.
Deactiv atingthespecial seatbeltretract or: #
Press there lease buttonoftheseat belt
buc kle. #
Hold theseat belttongu eand guide ba ck to
th eseat beltoutle t. Ins
talling aLA TC H-type (ISOFI X)child
re stra int system onthere ar seat Ins
tallingaLA TC H-type (ISOFI X)child
re stra int system onthere ar seat &
WARNIN GRisk ofinju ryor deat hif th e
per missible gross mass ofthech ild and
ch ild restra int system toget her isexc ee‐
ded.
To omuc hload maybe placed ontheLA TC H-
type (ISOFIX )ch ild restra int system and the
ch ild ma yno tbe restra ined correctly inthe
ev ent ofan acciden t,forex am ple. #
Ifth ech ild and thech ild restra int sys‐
te m toget her weigh mor eth an theper‐
missible gross mass of73 lb(33 kg),
onl yuse aLA TC H-type (ISOFIX )ch ild
re stra int system withwhic hth ech ild is
secur edwithth eve hicle seatbelt. #
Also secur eth ech ild restra int system
wit hth eTo pTe ther belt, ifav ailable. Alw
ayscom plywit hth einf ormation aboutthe
mass ofthech ild restra int system:
R Inthemanuf acturer'sinstallation andoper at‐
ing instruct ions forth ech ild restra int system
used
R Onalabel onthech ild restra int system, if
pr esent
Re gular lych eckth at theper missible gross mass
of thech ild and child restra int system isstill
com plied with.
When installing ach ild restra int system, obser ve
th efo llo wing:
0073 Alw
aysobser vethecor rect useof theseats
and consider their suit ability foratt aching a
ch ild restra int system.
0073 Alw
ayscom plywithth emanuf acturer's
ins tallation andoper atingins truct ions for
th ech ild restra int system used.
0073 Mak
esur eth at thech ild's feet do notto uc h
th efront seat. Ifneces sary,mo vethefront
seat slightl yfo rw ards. 64
Occupant safety

*
NO
TEDama getotheseat beltforth e
cent ersea tdu ring installation ofthe
ch ild restra int system #
Mak esur eth at theseat beltisno ttra p‐
ped. #
Folduphols tere dlining 1upw ards. #
Pull theta bon uphols tere dlining 1
upw ards and position iton thesuppor ting
sur face.
Up hols tere dlining 1will remain folded
upw ards. #
Attach theLA TC H-type (ISOFIX )ch ild
re stra int system toboth mounting brac kets
2 intheve hicle. #
Toclos e,fold uphols tere dlining 1upw ards. #
Liftth eta bfrom thesuppor tsur face and
sli de itba ck intoth euphols tery slo tbe tween
th eseat backres tand seat cushion. Close
th euphols tery flap. Secur
ingTopTe ther &
WARNIN GRisk ofinju ryor deat hfrom
adjus tingtheseat afte rins talling ach ild
re stra int system
Ve hicles withelectr icallyadjustable rear
ben chseats:
The follo wing mayocc ur:
R The TopTe ther belt maysit either too
loose ortootight
R The child restra int system maybe loose,
incor rectly positioned ordamag edand
th en notper form itsintended protect ive
func tion. #
Neveradju sttheseat afte rth ech ild
re stra int system has been installed. ¯
Ifth ech ild restra int system iseq uipped
wit haTo pTe ther belt :
The risk ofinjur yma ybe reduced byTop
Te ther.The TopTe ther belt enables an
additional connect ionbetween thech ild re
stra int system attached withISOF IXand
th eve hicle. %
Canada :Onl yth etw oout erTopTe ther
anc horages areav ailable. #
Ifnec essar y,slide head restra int 1 upw ards
(/ page11 5). #
Remo vecover2 ofTopTe ther anc horage
3. 66
Occupant safety

#
Installth eLA TC H-type (ISOFIX )ch ild restra int
sy stem withTo pTe ther.In doing so,com ply
wit hth ech ild restra int system manuf actur‐
er's installation instruct ions . #
Guide TopTe ther belt 4under head
re stra int 1 between thetw ohead restra int
bar s. #
Hook TopTe ther hook 5ofTopTe ther belt
4 intoTo pTe ther anc horage3 without
twis ting. #
Tensi on TopTe ther belt 4.Indoing so,com‐
pl ywit hth ech ild restra int system manuf ac‐
tur er's installation instruct ions . #
Ifnec essar y,slide head restra int 1 down‐
wa rds(/ page11 5).Ma kesur eth at youdo
no tint erfere wit hth ecor rect routin gof Top
Te ther belt 4. Secur
ingthech ild restra int system withth e
seat belt Secur
ingthech ild restra int system withth e
seat beltonthere ar seat
When installingabel t-sec ured child
re stra int system, obser vethefo llo wing:
0073 Alw
ayscom plywit hth emanuf acturer's
ins tallation andoper atingins truct ions for
th ech ild restra int system used.
0073 When
usingawe ight categor y0/0+
bab ycar seat andawe ight categor yI
re ar wa rd-faci ng child restra int system
on are ar seat :adju stthefront seat sothat
th eseat does notto uc hth ech ild restra int
sy stem.
0073 When
usingawe ight categor yIfo rw ard-
fa cing child restra int system: remo vethe head
restra int from there spectiv eseat, if
possible .
Af terth ech ild restra int system has been
re mo ved, replace thehead restra int sag ain
immed iatelyand adjus tth em correctly .
0073 The
backrest of thefo rw ard-f acin gch ild
re stra int system mus t,as faras possi ble,be
re sting ontheseat backres tof there ar
seat .
0073 If
th ehead restra int ofthech ild seat cannot
be fullyex tende dwh en itis ins talled inthe
ve hicle, this will result inrestrictions onthe
maximu msize setting forch ild restra int sys‐
te ms inwe ight categor yII or III.
Cont actwithth ero of when thehead
re stra int isfull yex tende dand lock ed in
place willnotre sult inanyre strictions on
us e.
0073 The
child restra int system mus tno tbe put
under stra in be tween thero of and theseat
cushion and/orbeinstalled facing the
wr ong direct ion. Wher epossi ble,adjus tth e
seat cushion inclination accordingly. Occupant
safety 67

0073
The
child restra int system mus tno tbe put
under stra in by thehead restra int .Ad jus t
th ehead restra int sas appr opriate.
0073 Mak
esur eth at thech ild's feet do notto uc h
th efront seat. Ifneces sary,mo vethefront
seat slightl yfo rw ards.
The seat beltson thefo llo wing seats areeq uip‐
ped withaspec ialseat beltretract or:
R Front passeng erseat
R Rear seat s
When enabled,thespecial seatbeltretract or
ens ures that theseat belts ofthefront
passeng erseat andrear seat sdo notslac ken
once thech ild restra int system issecur ed
(/ page63). #
Installth ech ild restra int system.
The entire base ofthech ild restra int system
mus talw aysre st on thesitt ing surface ofthe
re ar seat . #
Alw aysmak esur eth at theshoulder belt
st ra pis cor rectly routed from theseat belt outle
tof theve hicle totheshoulder belt
guide onthech ild restra int system.
The shoulder beltstra pmus tbe routed
fo rw ardfrom theseat beltoutle t.
No teson rear wa rd-faci ng and forw ard-f acin g
ch ild restra int systems onthefront
pa sseng erseat &
WARNIN GRisk ofinju ryor fata linj ury
when usingare ar wa rd-faci ng child
re stra int system while theco- driver air‐
bag isenabled
If yo usec ureach ild inare ar wa rd-faci ng
ch ild restra int system ontheco- driver seat
and thePA SSENGER AIRBAGOF Find icat or
lam pis off,th eco- driver airbag candeplo yin
th eev ent ofan acciden t.
The child could bestru ck bytheairbag. #
Alw aysensur eth at theco- driver airbag
is disabled. ThePASSENGER AIRBAG
OFF indicat orlam pmus tbe lit. #
NEVER useare ar wa rd-faci ng child
re stra int system onaseat withan ENA‐ BLE
DFR ONT AIRBAG;DE ATHor SERI‐
OUS INJURYtotheCH ILD can occur . Obser
vethespecif icins truction sfo rth ere ar‐
wa rd-faci ng and forw ard-f acin gch ild restra int
sy stems (/page69).
Alw aysobser vethest atus ofthefront passeng er
airbag onthePA SSENGER AIRBAGOF Find ica‐
to rlam p:
R When using are ar wa rd-faci ng child restra int
sy stem onthefront passeng erseat, thefront
passeng erairbag mustalw aysbe disabl ed.
This isonl yth ecase ifth ePA SSENGER AIR
BA GOF Find icat orlam pis lit con tinuousl y
(/ page54 ).
R Ifth ePA SSENGER AIRBAGOF Find icat or
lam pis off,th efront passeng erairbag isena‐
bled. Thefront passeng erairbag maydeplo y
dur ing anacciden t. 68
Occupant safety