child restraint MERCEDES-BENZ GLA 2020 User Guide

Occupant
Classification Systemopera-
tion (OCS) 0043
PAS SENGER AIRBAG ONindicat orlamp
0044 PAS SENGER AIRBAG OFFindicat orlamp
The indicat orlamps informyou whether the
fron t-passenger frontair bag isdeactivat edor
enabled.
X Press theStart/ Stop button onceor twice,
or turn theSmart Keytoposition 0047or0048 in
the ignition lock.
The system carriesoutself-diagn ostics.
The PASSENGER AIRBAG OFFand
PAS SENGER AIRBAG ONindicat orlamps must
light upsimultaneously forapproximat elysix
secon ds.
Then theindicat orlamps display thestatusof
the fron t-passenger frontair bag:
R PAS SENGER AIRBAG ONlights upfor
60 secon ds,subsequently bothindicat or
lamps areoff(PASS ENGERAIR BAG ONand
OFF): thefron t-passenger frontair bag is
able todeploy inthe event ofan acciden t.
R PAS SENGER AIRBAG OFFlights up:the
fron tpassenger frontair bag isdeactivat ed.
It will then notbedeployed inthe event of
an acciden t.
If the PAS SENGER AIRBAG ONindicat orlamp
is off, only thePAS SENGER AIRBAG OFFindi-
cator lampshows thestatusofthe fron t-
passenger frontair bag. ThePASSENGER AIR
BAG OFFindicat orlamp maybelitcon tinu-
ously orbe off.
If the statusofthe fron t-passenger frontair
bag changes whilethevehicle isin motion ,an
air bag display message appearsinthe instru-
ment cluster (Ypage 214). When thefron t-
passenger seatisoccupied, alwayspay atten -
tion tothe PAS SENGER AIRBAG OFFindicat or
lamp. Beaware ofthe statusofthe fron t- passenger
frontair bag both before andduring
the journ ey. G
WARN
ING
If the PAS SENGER AIRBAG OFFindicat or
lamp islit, the fron t-passenger frontair bag
is disabled. Itwill notbedeployed inthe
event ofan acciden tand cann otperform its
inten dedprotec tivefunc tion.A person inthe
fron t-passenger seatcould then,for exam-
ple, come intocontact with thevehicle's
inter ior,especially ifthe person issitt ing too
close tothe dashboard. Thisposes an
incr eased riskofinjur yor even fatalinjury.
When thefron t-passenger seatisoccupied,
alway sensure that:
R the classificat ionofthe person inthe
fron t-passenger seatiscorr ectand the
fron t-passenger frontair bag isenabled or
disabled inaccor dance withtheperson in
the fron t-passenger seat
R the fron t-passenger seathasbeen moved
back asfar back aspossible.
R the person isseated correctly.
Make sure,bothbefore andduring thejour-
ney, thatthestatusofthe fron t-passenger
fron tair bag iscorr ect. G
WARN
ING
If you secure achild inarearward-f acing
child restraint system onthe fron t-
passenger seatandthePAS SENGER AIR
BAG OFFindicat orlamp isoff, thefron t-
passenger frontair bag candeploy inthe
event ofan acciden t.The child could be
str uck bythe airbag. Thisposes an
incr eased riskofinjur yor even fatalinjury.
Make surethatthefron t-passenger frontair
bag hasbeen deactivat ed.The PASSENGER
AIR BAG OFFindicat orlamp must belit.
NEVE Ruse arearward-f acingchildrestraint
on aseat protec tedbyan ACTIVE FRONT
AIRBA Gin fron tof it;DE ATH orSERIOUS
INJURY tothe child canoccur.
If the PAS SENGER AIRBAG OFFindicat orlamp
stays off,donot installarearward-f acingchild 48
Occupant
safetySafet y

Problems
withtheOccupant ClassificationSystem (OCS) Be
sure toobserve thenotes on"System self-test"(Y page 50). Problem
Possible
causes/co nsequences and0050 0050
Solutions The
PASS ENGER AIR
BAG OFFindicator lamp
lights upand remains
lit, even though the
front -passenger seatis
occupied byan adult or
a person ofastature
correspondin gto that of
an adult. The
classification ofthe person onthe front -passenger seatisincor-
rect.
X Make surethecondition sfor acorrect classification ofthe per-
son onthe front -passenger seataremet (Ypage 48).
X Ifthe PASS ENGER AIRBAG OFFindicator lampremains lit,the
front -passenger seatmaynotbeused.
X Have OCScheck edassoon aspossible atan authorized
Mercedes-B enzCenter. The
PASS ENGER AIR
BAG OFFindicator lamp
does notlight up
and/or doesnotstay
on.
The front -passenger
seat is:
R unoccupied
R occupied bythe
weight ofachild up
to twelve monthsold
in achild restraint
system OCS
ismalfunction ing.
X Make surethere isnothin gbetween theseat cushion andthe
child seat.
X Make surethattheentire baseofthe child restraint systemrests
on the seat cushion ofthe front -passenger seat.Thebackrest of
the forward-facing childrestraint systemmustlieasflat aspossi-
ble against thebackrest ofthe front passenger seat.Ifnecessary,
adjust theposition ofthe front -passenger seat.
X Make surethattheseat cushion lengthisfully retract ed.
X When installing thechild restraint system,makesurethatthe
seat beltistight. Donot pull theseat belttight using thefront -
passenger seatadjustment .This could result inthe seat beltand
the child restraint systembeingpulled tootightly.
X Check forcorrect installation ofthe child restraint system.
Make surethatthehead restraint doesnotapply aload tothe
child restraint system.Ifnecessary, adjustthehead restraint
accordingly.
X Make surethatnoobject sare apply ingadditional weightontothe
seat.
X Ifthe PASS ENGER AIRBAG OFFindicator lampremains off
and/or thePASS ENGER AIRBAG ONindicator lamplights up,do
not install achild restraint systemonthe front -passenger seat.It
is recommen dedthat youinstall thechild restraint systemona
suitable rearseat.
X Have OCScheck edassoon aspossible atan authorized
Mercedes-B enzCenter. Deployment
ofEmergency Tension-
ing Devic esand airbags
Import antsafety notes G
WARNING
The airbag parts arehot after anair bag has
been deploye d.There isarisk ofinjury. Do
not touch theairbag parts. Havea
deploye dair bag replaced ataquali fiedspe-
cialist workshop assoon aspossible. G
WARNING
A deploye dair bag nolonger offersanypro-
tect ionand cannot provide theinten dedpro- Occ
upantsafety
51Safety
Z

The
rate ofvehicle deceleration oraccelera-
tion andthedirection ofthe force areessen-
tially determin edby:
R the distribution offorces during thecollision
R the collision angle
R the deformation characteristics ofthe vehi-
cle
R the charact eristics ofthe object withwhich
the vehicle hascollided
Fact orswhich canonly beseen andmeasured
after acollision hasoccurred donot play a
decisive roleinthe deployment ofan air bag.
Nor dothey provide anindication ofair bag
deployment.
The vehicle canbedeformed considerably,
without anair bag being deployed. Thisisthe
case ifonly parts which arerelatively easily
deformed areaffect edand therate ofdeceler-
ation isnot high. Conversely, airbags maybe
deployed eventhough thevehicle suffersonly
minor deformation .This isthe case if,for
example, veryrigid vehicle partssuchaslongi-
tudinal bodymembers arehit,and sufficient
deceleration occursasaresult.
If the restr aintsystem controlunit detect sa
side impact orifthe vehicle rollsover, the
applicable componentsofthe restr aintsystem
are deployed independent lyof each other
depending onthe apparent typeofaccident .
R Side impact airbags onthe side where the
impact takesplace, independent lyof the
Emergen cyTensionin gDevice andtheuse
of the seat beltonthe driver's seatand
outer seats inthe second row
The side impact airbag onthe front
passenger sidedeploys underthefollowing
condit ions:
- the OCS system detectsthat thefront
passenger seatisoccupied or
- the seat beltbuckle tongue isengaged in
the belt buckle ofthe front passenger
seat
R Window curtainairbag onthe side of
impact, independent lyof the use ofthe seat
belt andindependent lyof whether thefront -
passenger seatisoccupied
R Emergen cyTensionin gDevices, ifthe sys-
tem determin esthat deployment canoffer
additional protectioninthis situation
R Window curtainairbags onthe driver's and
front -passenger sideincert ainsituations
when thevehicle rollsover, ifthe system determin
esthat deployment canoffer addi-
tional protec tiontothat provided bythe
seat belt
i Not
allair bags aredeployed inan acci-
dent. Thevarious airbags work independ-
ently ofeach other .
How theairbag works isdetermin edbythe
severity ofthe accident detected,especially
the vehicle deceleration oracceleration and
the apparent typeofaccident :
R Head-on collision
R Side impact
R Rollover Automa
ticmeasur esafteran acci-
dent
Immediately afteranaccident ,the following
measures areimplemented, dependingonthe
type andseverity ofthe impact:
R the hazard warning lampsareswitched on
R the emergenc ylighting isactivated
R the vehicle doorsareunlocked
R the front sidewindows arelowered
R the engine isswitched offand thefuel sup-
ply iscut off
R vehicles withMercedes meconn ect:auto-
matic emergenc ycall Children
inthe vehicle Import
antsafety notes
Acc ident statist icsshow thatchildren secured
in the rear seats aresafer thanchildren
secured inthe front -passenger seat.Forthis
reason, Mercedes- Benzstronglyadvises that
you install achild restraintsystem onarear
seat. Children aregenerally betterprotected
there.
If achild younger thantwelve yearsoldand
under 5ft (1.50 m)inheight istraveling inthe
vehicle:
R alway ssecure thechild inachild restraint
system suitable forMercedes- Benzvehicles.
The child restraintsystem mustbeappropri-
ate tothe age, weight andsize ofthe child.
R be sure toobserve theinstr uctions and
safety notesinthis section inaddition tothe Children
inthe vehicle
53Safety Z

If
it is absol utely necessary tocarry achild on
the front passe ngerseat, besure toobserve
the information onthe "Occupa ntCla ssifica -
tion System (OCS)"(Ypage 47).There youwill
also findinformation ondisa bling thefront
passe ngerfront airbag.
All child restraint systemsmustmeet thefol-
lowi ngstandards:
R U.S. Federal MotorVehicle SafetyStandards
213 and225
R Cana dianMotor Vehicle SafetyStandards
213 and210.2
Confirma tionthat thechild restraint system
corresponds tothe standards canbefound on
an instruction labelon the child restraint sys-
tem. Thisconfirmation canalso befound in
the installa tioninstructions thatareinclude d
with thechild restraint system.
Observe thewarning labels inthe vehicle inte-
rior and onthe child restraint system. LATC
H-type (ISOFI X)chil dseat
sec uring system G
WARNING
For LATCH-type (ISOFIX)childrestraint sys-
tems inwhich thechild issecured usingthe
safety beltintegrated inthe child restraint
system, themaximum permissibleweig htof
the child andchild restraint systemtogether
is 73 lbs (33 kg).
If the child andthechild restraint system
together weighmore than73lbs (33 kg),the
LATCH-type (ISOFIX)childrestraint system
with integrated safetybeltnolonger offers
sufficie ntprotection. TheLATCH-type (ISO-
FIX) child seatsecuring systemmaybeover-
load ed,and thechild maynotberestrained
in an accident, forexample .This poses an
increased riskofinjury oreven fatalinjury.
If the child andthechild restraint system
together weighmore than73lbs (33 kg),
use only aLATCH-type (ISOFIX)child
restraint systeminwhich thechild isalso
secured withthevehicle seatbelt. Also
secure thechild restraint systemwiththe
Top Tether belt,ifavai lable. Regu
larlycheck thatthepermissi blegross
weig htofthe child together withthechild
restraint systemisstill maintained .
Alway scomply withthemanufacture r'sinstal-
lation andopera tinginstructions forthe child
restraint systemused.
Before everytrip,make surethattheLATCH-
type (ISOFIX) childrestraint systemisengaged
correctly inboth LATCH-type (ISOFIX)securing
rings
! When
installi ngthe child restraint system,
make surethattheseat beltforthe middl e
seat does notgettrapped .The seat belt
could otherwise bedama ged. X
Install theLATCH-type (ISOFIX)child
restraint systemonboth LATCH-type (ISO-
FIX) securing rings0043.
ISOFIX isastandardi zedsecuring systemfor
specia llydesig nedchild restraint systemson
the rear seats. LATCH-type (ISOFIX)securing
rings fortwo LATCH-type (ISOFIX)child
restraint systemsareinstalle don the left and
right ofthe rear seats.
Non-LATCH-type (ISOFIX)childseats mayalso
be used andcanbeinstalle dusing thevehi-
cle's seatbeltsystem. Installthechild seat
according tothe manufacture r'sinstructions. Top
Tether
Introductio n Top
Tether provide san addi tional connection
betwee nthe child restraint systemsecured
with aLATCH-type (ISOFIX)systemandthe
vehicle .This helps reduce therisk ofinjury
even further. Ifthe child restraint systemis
equi pped withaTop Tether belt,thisshoul d
alw ays beused . 56
Chil
dren inthe vehic leSafety

Corr
ectdriver 'sseat position G
WAR
NING
You couldlose control of your vehicle ifyou
do thefoll owin gwhile driving:
R adj ust thedriv er'sseat ,head restraint ,
st eer ing wheel ormir rors
R fast entheseat belt
Ther eis aris kof an acc iden t.
Adj ust thedriv er'sseat ,head restraint ,
st eer ing wheel andmirror and fastenyour
seat beltbefore start ing theen gin e. Obse
rveth efoll owin gwhen adjust ing steer ing
wheel 0043,seat belt0044and driver'sseat 0087:
R you areasfar away from thedriv er'sair bag
as poss ible
R you aresittin gin ano rm aluprig htposi tion
R your thighs aresligh tlysuppo rted bythe
seat cushion
R your legsarenoten tirely stret ched and you
can depr essthepedals properl y
R theback ofyour head issuppo rted ateye
leve lby thecen terof thehead restraint
R you can hold thest eer ing wheel withyour
arm ssligh tlyben t
R you can mov eyour legsfreely
R you can seeallthedispl aysintheins tru-
men tclus tercle arly R
you should have agood overview oftraff ic
con dition s
R theseat beltispulled snugly again stthe
body andisrout edacr oss thecen terof your
sho ulder andacross your hipsinthepelv ic
area
i Further relat edsubj ects:
R Ad jus tingth eseat sman ually
(Y page 94)
R Ad jus tingth eseat selec tricall y
(Y page 94)
R Ad jus tingth est eer ing wheel manually
(Y page 97)
R Fas tenin gth eseat beltcorrectly
(Y page 43)
R Ad jus tingth erear -view mirror and exte-
rior mirrors(Y page 98)
R Veh icles withamem oryfunct ion: sav-
ing theseat ,st eer ing wheel andexterior
mir ror settings usin gth emem oryfunction
(Y page 101) Seat
s Imp
ortant safety notes G
WAR
NING
Childr encoul dbec ome trapped ifth ey
adj ust theseat s,part icular lywhen unatten-
ded. Thereis aris kof injury.
When leavingtheveh icle,always taketh e
Sm artKey withyou and lockth eveh icle.This
also applies fortheDig ital Veh icle Key ifth e
"Dig italVeh icle Key" function isact ivat edvia
Mer cedesme connect.Nev erleave childre n
uns uperv isedintheveh icle.
The seat scan still be adjust edwhen there is
no Sm artKey intheign ition lock. G
WAR
NING
When youadjust aseat ,you orother vehicle
occ upan tscoul dbec ome trapped, e.g.on
th eseat guide rail.Ther eis aris kof injury.
When adjust ing aseat ,mak esure that no
on ehas any body partsin thesweep ofthe
seat . 92
Seat
sSeat s,steerin gwheel andmirro rs

Rear
seat head restraints Adjus
tingtherear seat head restrain t
hei ght X
To rais e:pullthe headres trai ntup tothe
des iredpos ition.
X To lowe r:pre ssrelease catch 0043and push
the headres trai ntdow nunti lit is in the
des iredpos ition. Adjus
tingthe4-waylumb arsuppo rt
Yo ucan adjust thecontou rof the front seat
ba ckrests individu ally to pro videopti mum sup-
por tfor your back. 0043
Raise sthe backrest contou r
0044 Softens thebackrest contou r
0087 Low ersthe backrest contou r
0085 Hard ensthebackrest contou r AMG
Performan ceSeat
Vehi cles with elec tric allyadjustab leseats:
to adjust thecontou rof the seatand for
imp rove dlatera lsu pp ort, youcan individu ally
ad just thefront seats. Adjus
tingtheside bolsters ofthe seat
cus hion
X To
setthe side bolsters ofthe seat cus h-
io n narro wer:pre ssbutton 0043.
X To
setthe side bolsters ofthe seat cus h-
io n wi der: pressbutton 0044.
Adjus tingtheside bolsters ofthe seat
bac kres t
X To
setthe side bolsters ofthe seat bac k-
res tnarro wer:pre ssbutton 0087.
X To
setthe side bolsters ofthe seat bac k-
res twi der: pressbutton 0085. Sw
itchin gthe seat heati ngon/o ff
Sw itchin gon /o ff G
WARNI
NG
Re pea tedl yswi tching onthe seathea ting
can causethe seatcus hionand backrest
pa ds tobec ome veryhot.Thehealthofper -
sons with limite dtemp erature sensitivity or
a limite dab ility torea ctto hig htemp era-
ture smay beaffected orthey mayevensu f-
fer burn-li keinju ries.The reisaris kof inju ry.
The refo re,donot switch the seathea ting on
rep eatedl y.
! Whe
nthe seathea ting isswi tched on,the
sea tsu rfa ce can bedamag edasares ultof
obje ctsbeing place don the seats,for exa m-
pl e, sea tcus hions, childsea tsand protec-
tive cove rsnot appro ved byMer cedes-Be nz.
Ensur ethat there arenoobje ctsonthe seat
su rfa ce when the seathea ting isswi tched
on. 96
Se
atsSe ats, steering wheeland mirrors

The
three redindicator lampsinthe button
indicate theheating levelyouhave selected.
The system automatically switchesdownfrom
level 3to level 2after approximately eight
minutes. The
system automatically switchesdownfrom
level 2to level 1after approximately ten
minutes.
The system automatically switchesoffapprox-
imately 20minutes afteritis set tolevel 1.
X Turn theSmart Keytoposition 0047or0048 in
the ignition lock(Ypage 125).
X To switch on:press button 0043repeatedly
until thedesired heating levelisset.
X To switch off:press button 0043repeatedly
until allthe indicator lampsgoout.
i If
the battery voltage istoo low, theseat
heating mayswitch off.
Problems withtheseat heating Problem
Possible
causes/conse quencesand0050 0050
Solutions The
seat heating has
switched offprema-
turely orcann otbe
switched on. The
on-board voltageistoo low because toomany electric alcon-
sumers areswitched on.
X Switch offelectric alconsumer sthat youdonot need, suchasthe
rear window defrosteror inter iorlighting.
Once thebattery issufficient lycharged, theseat heating will
switch backonautomatically. Steering
wheel Import
antsafety notes G
WARNIN
G
You could losecontrolofyour vehicle ifyou
do the following whiledriving:
R adjust thedriver's seat,head restraint,
steerin gwheel ormirrors
R fasten theseat belt
There isarisk ofan accident .
Adjust thedriver's seat,head restraint,
steerin gwheel andmirror andfasten your
seat beltbefore startingthe engine. G
WARNIN
G
Children couldinjure themselves ifthey
adjust thesteerin gwheel. Thereisarisk of
injury. Never
leavechildren unsupervised inthe
vehicle.
When leaving thevehicle, alwaystake the
Smart Keywith youand lock thevehicle. This
also applies forthe Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect. Adjust
ingthe steering wheel G
WARNIN
G
If the steerin gwheel isunlocked whilethe
vehicle isin motion ,it could change position
unexpect edly.Thiscould cause youtolose
cont rolofthe vehicle. Thereisarisk ofan
accident . Steering
wheel
97Seats,steering wheelandmirrors
Z