ECU 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

restrai
ntsystem onthe front-passenge rseat.
You canfind more informatio non OCS under
"Prob lemswiththeOccupa ntCla ssifi cation
System" (Ypag e51). G
WARNING
If you secure achild inaforwa rd-facing child
restrai ntsystem onthe front-passenge rseat
and youposition thefront-passenge rseat
too close tothe dash board,inthe event of
an accide nt,the child could :
R come intocontact withthevehicl e'sinte-
rior ifthe PASSENGER AIRBAG OFFindi-
cator lampislit, for exampl e
R be struck bythe airbag ifthe
PASSENGER AIRBAG OFFindica torlamp
is off
This poses anincrease drisk ofinjury or
even fatalinjury.
Alwa ysmove thefront-passenge rseat asfar
back aspossi bleand fullyretract theseat
cushi onlength. Alwaysmake surethatthe
shou lderbeltstrap iscorrectly routedfrom
the vehicl ebelt sash guide tothe shou lder
belt guide on the child restrai ntsystem. The
shou lderbeltstrap mustberouted forwards
and downw ardsfrom thevehicl ebelt sash
gui de. Ifnecessary ,adju stthe vehicl ebelt
sash guide and thefront-passenge rseat
accordi ngly.Alwaysobserve thechild
restrai ntsystem manufacturer's installation
instructions.
If OCS determine sthat:
R The front-passenge rseat isunoccup ied,the
PASSENGER AIRBAG OFFindica torlamp
lig hts upafter theself-test andremai nslit.
This indica testhat thefront-passenge rfront
air bag isdea ctivated.
R The front-passenge rseat isoccupi edbya
child ofup totwelve months old,inastand-
ard child restrai ntsystem, thePASSENGER
AIR BAG OFFindica torlamp lights upafter
the self-test andremai nslit. This indica tes
that thefront-passenge rfront airbag is
dea ctivated.
But even inthe case ofatwelve -month-old
child ,in astandard childrestrai ntsystem,
the PASSENGER AIRBAG OFFindica tor lamp
cangoout after theself-test. Thisindi-
cates thatthefront-passenge rfront airbag
is enabl ed.The resul tof the class ification is
depe ndent on,among otherfactors, the
child restrai ntsystem andthechild 'sstat-
ure. Itis recommended thatyouinstall the
child restrai ntsystem onasui table rear
seat.
R The front-passenge rseat isoccupi edbya
person ofsmal lerstature (e.g.ateenage ror
smal ladu lt),the PASSENGER AIRBAG OFF
indica torlamp either lights upand remai ns
lit after theself-test depending onthe resul t
of the class ification or,alterna tively,goes
out.
- Ifthe PASSENGER AIRBAG OFFindica tor
lamp isoff, move thefront-passenge rseat
as far back aspossi ble.Alternativel y,a
person ofsmal lerstature cansiton arear
seat.
- Ifthe PASSENGER AIRBAG OFFindica tor
lamp islit, aperson ofsmal lerstature
shou ldnot use thefront-passenge rseat.
R The front-passenge rseat isoccupi edbyan
adu ltor aperson ofcorrespond ingstature,
the PASSENGER AIRBAG OFFindica tor
lamp goesoutafter theself-test. Thisindi-
cates thatthefront-passenge rfront airbag
is enabl ed.
If child renaretraveli nginthe vehicl e,be sure
to observe thenotes on"Child ren inthe vehi-
cle" (Ypag e53) .
When theOccupa ntCla ssifi cation System
(OC S)ismalfu nctioning, thered 0075 restrai nt
system warninglamp onthe instrument clus-
ter and thePASSENGER AIRBAG OFFindica -
tor lamp light up simu ltaneou sly.The front-
pass enger frontairbag isdea ctivated inthis
case anddoes notdepl oyduri nganaccide nt.
Have theOccupa ntCla ssifi cation System
(OC S)checked andrepa iredimmed iatelyat a
qua lified specia listworkshop .Mercede s-Benz
recommends thatyouuseanauthorized
Mercede s-BenzCenter forthis purp ose.
If the front-passenge rseat, theseat cover or
the seat cushi onare dama ged,have thenec-
essa ryrepa irwork carrie dout ataqua lified
specia listworkshop .Mercede s-Benzrecom-
mends thatyouuseanauthorized Mercede s-
Benz Center forthis purp ose.
For safety reasons,Mercede s-Benzrecom-
mends thatyouonly useseat accessori esthat
have been approved byMercede s-Benz. Occ
upant safety
49Safety 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

chil
drestra intsystem manufacturer'sinsta l-
la tion instru ctions .
R alwa ysobs erve theinstru ctions andsafety
notes onthe "Occu pant Class ificati onSys -
tem (OCS)"(Ypage 47) G
WARNI
NG
If chil drenare left unsu pervised inthe vehi -
cle ,they could,in pa rticu lar:
R Ope ndoo rs,there byenda ngeri ngothe r
per sons orroa dus ers
R Ge tou tand bestru ckbyoncomi ngtraffi c
R Ope rate vehicleequ ipment andbeco me
trap ped,for exa mpl e
In addition, childrencou ldset the vehi clein
motio n,for exa mpl e,ifthey :
R Re lease theparking brake.
R Ch ange thetransm ission position
R Start thevehi cle
The reisaris kof acci dent andinjury.
Neve rle ave childrenunsu pervised inthe
vehi cle.
Whe nleavi ng the vehi cle,al wa ystake the
SmartK eywith youand lock thevehi cle.
Kee pthe SmartK eyoutof the reachofchil -
dre n. G
WARNI
NG
If per sons, particu larly chil drenare subjec-
ted topro long edexpo sure to extrem ehea t
or cold ,there isaris kof inju ry,pos sibly
eve nfata l.Neve rle ave childrenuna ttende d
in the vehi cle. G
WARNI
NG
If the childrestra intsystem issu bjecte dto
di rect sunli ght, parts may getvery hot.Chil-
dre nmay burn thems elves onthese parts,
pa rticu larly on the meta lpa rts ofthe child
restra intsystem. Thereisaris kof inju ry.
If yo uleave thevehi cle,taki ngthe childwi th
yo u, alwa ysensu rethat thechildrestra int
sy stem isnot expo sedtodirect sunli ght.
Prote ctitwi th abl anket, forexa mpl e.Ifthe
chil drestra intsystem hasbee nexpo sedto di
rect sunli ght, letit cool downbef ore secu r-
ing the childin it. Neve rle ave childrenuna t-
tende din the vehi cle.
Alw aysensu rethat allvehi cleoccu pants have
thei rsea tbel tsfas tened correctlyand aresit-
ting properly.Pa rticu larattenti onmus tbe paid
to chil dren.
Obs erve thesafety notes onthe seatbel t
(Y page 41) and thenotes oncorre ctuseof
sea tbel ts(Y page 42).
A boo ster seatmay beneces saryto ach ieve
pro per seatbel tpos itioning forchil drenover
40 lbs(18 kg)unti lthey reachahei ght whe re
a three -pointsea tbel tcan bepro perlyfas -
tened withou ta boo ster seat. Spec
ialseatbe ltretrac tor G
WARNI
NG
If the seatbel tis rel eased whiledri ving ,the
chil drestra intsystem willno long erbe
secu redproperly.The specialsea tbel t
retra ctorisdisab led and theinertiarea l
dra ws inapor tion ofthe seatbel t.The seat
bel tcannot beimme diatel yrefa stened .
The reisan incre asedris kof inju ry,pos sibly
eve nfata l.
Stop thevehi cleimme diatel y,pa ying atten-
tion toroa dand traffi ccondi tions.Re acti -
vate thespecialsea tbel tretra ctorand
secu rethe childrestra intsystem properly.
All sea tbel tsinthe vehi cle,excep tthe driver' s
sea tbel t,are equipped with aspe cialsea tbel t
retra ctor. Whenacti vate d,the specialsea tbel t
retra ctorensu resthat theseatbel tcannot
sla cken once thechildsea tis secu red.
Instal ling achil drestra intsystem:
X Ma kesure youobs erve thechildrestra int
sy stem manufacturer'sinsta llati on instru c-
tions .
X Pu llthe seatbel tsmoo thlyfrom thebelt
ou tlet.
X Engag esea tbel ttongu ein bel tbu ckle. 54
Chi
ldren inthe vehic leSafe ty

Activa
tingthespecialsea tbe ltretra ctor:
X Pu llthe seatbe ltou tfu lly and letthe inertia
ree lretra ctitag ain.
Whi lethe seatbe ltis retra cting ,yo usho uld
hea ra ra tche ting sound. The specialsea t
be ltretra ctorisena bled .
X Pu sh the childres trai ntsystem down sotha t
the seatbe ltis tig ht and does not loose n.
Re movi ngthe childres trai ntsystem anddeac-
tiva ting thespecialsea tbe ltretra ctor:
X Ma kesure youob ser vethe childres trai nt
sy stem manuf actu rer'sins tallatio nins truc -
tio ns.
X Pre ssthe release button ofthe seatbe lt
bu ckle andguide the seatbe lttongu eba ck
tow ards the beltsa sh guide.
The specialsea tbe ltretra ctorisde acti va-
ted . Chi
ldres train tsys tem
The useof sea tbe lts and childres trai ntsys-
tems isreq uired bylaw in:
R all50 states
R the U.S. territories
R the District ofCo lumbi a
R allCa nad ian pro vince s
If yo uins talla rea rwa rd-facing childres trai nt
sy stem onthe cente rrea rsea t,the rearsea t
ar mre stmu stbe foldedba ck asfar asitwi ll
go.
Yo ucan obtainfu rthe rinfo rma tionab ou tthe
corr ectchildres trai ntsystem fromanyauthor -
ize dMer cedes-B enzCenter. G
WA
RNING
If the childres trai ntsystem isins talled
inco rrectly onasu ita ble sea t,itcanno tpro -
tect asinte nded.The childcanno tthen be
res trai ned inthe eventofan acci dent, hea vy
bra king orsudd en cha nge sof directi on.
The reisan incr eased riskof inju ry,po ssi bly
eve nfata l.
Ma kesure tha tyo uob ser vethe child
res trai ntsystem manuf actu rer'sins tallatio n
ins truc tions and thenotes onuse. Plea se
ensu re,thatthe base ofthe childres trai nt
sy stem isalwa ysres ting comp letel yon the sea
tcus hion. Nev erplace objects, e.g.cus h-
io ns, und eror behind the childres trai ntsys-
tem. Onlyus echi ldres trai ntsystem swi th
the original cove rde signe dfor them .Onl y
rep lace dama gedcove rswith gen uine cov-
ers . G
WA
RNING
If the childres trai ntsystem isins talled
inco rrectly orisnot secured ,it can come
lo ose inthe eventofan acci dent, hea vy
bra king orasu dd en cha nge indirecti on.The
chi ldres trai ntsystem couldbe thro wn
ab ou t,stri king vehicleoccu pants. Thereis
an incr eased riskof inju ry,po ssi blyeve n
fata l.
Alw aysins tallchi ldres trai ntsystem spro p-
erl y,eve nif they arenot being used .Ma ke
su re tha tyo uob ser vethe childres trai ntsys-
tem manuf actu rer'sins tallatio nins truc tions.
Yo uwi llfind furthe rinfo rma tionon stow ing
ob jects, lugga georload sund er"Loa ding
gu ideline s"(Y page 251 ). G
WA
RNING
Ch ild res trai ntsystem sor thei rsec uring sys-
tems which have been dama ged orsubje c-
ted toaload inan acci dent can nolonge r
pro tect asinte nded.The childcanno tthen
be res trai ned inthe eventofan acci dent,
hea vybra king orsudd en cha nge sof direc-
tio n.The reisan incr eased riskof inju ry,
po ssi blyeve nfata l.
Re place childres trai ntsystem swh ich have
be en dama ged orsubje cted toaload inan
acci dent as soo nas possi ble. Hav ethe
sec uring system son the childres trai ntsys-
tem checked ataqu alifi ed spe cialist wo rk-
sho p,before youins talla chi ldres trai ntsys-
tem again.
The securing system sof chi ldres trai ntsys-
tems are:
R the seatbe ltsy stem
R the LATC H-typ e(ISO FIX) securing ring s
R the Top Tether anch orages Ch
ildren inthe vehic le
55Safe ty 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

G
WARNING
If perso ns,particu larlychild renaresubjec-
ted toprolo nged exposu reto extreme heat
or cold, there isarisk ofinjury ,possi bly
even fatal.Never leavechild renunattended
in the vehicl e. G
WARNING
If the child restrai ntsystem issub jected to
dire ctsunli ght,parts maygetvery hot.Chil-
dren mayburn themsel vesonthese parts,
particu larlyon the metal partsofthe child
restrai ntsystem. Thereisarisk ofinjury .
If you leavethe vehicl e,taking thechild with
you ,alw aysensure thatthechild restrai nt
system isnot expose dto dire ctsunli ght.
Protect itwith abla nket, forexampl e.Ifthe
child restrai ntsystem hasbeen expose dto
dire ctsunli ght,letitcool downbefore secur-
ing the child init. Never leavechild renunat-
tended inthe vehicl e.
Chil d-proof locksfor the rear doors You
secure eachdoorindivi duallywith the
child -proof locksonthe rear doors. Adoor
secure dwith achild -proof lockcannot be
opened frominsidethe vehicl e.When thevehi-
cle isunlocked ,the door canbeopened from
the outsi de.
X To activate: pressthechild -proof locklever
up inthe direction ofarrow 0043.
X Make surethatthechild -proof locksare
working properly.
X To deactiv ate:press thechild -proof lock
leve rdow nin the direction ofarrow 0044. Override
featureforthe rear side win-
dows X
To activate/ deactivate:press button 0043.
If indica torlamp 0044islit, opera tionofthe
rear side windo wsisdisa bled.Opera tionis
only possi bleusing the switches inthe driv-
er's door. Ifindica torlamp 0044isoff, opera -
tion ispossi bleusing the switches inthe
rear compartment. Pets
inthe vehi cle G
WARNING
If you leaveanima lsunsu pervi sedorunse-
cured inthe vehicl e,they maypress buttons
or swi tches, forinstance.
In this way,anima lsmay :
R activa tevehicl eequ ipme ntand become
trappe d,for exampl e
R swi tch systems onoroff and thereby
endange rother roadusers
Furthermore ,unsecu redanima lsmay be
flung aroundinsid ethe vehicl ein the event
of an accide ntor abru ptsteering orbraki ng
maneu ver,and thereby injurevehicleoccu-
pants. Thereisarisk ofaccide ntand injury .
Never leaveanima lsunattended inthe vehi-
cle.
Alwa yssecure animalsprope rlywhen driv-
ing, forinstance withasui table petcarrie r. Pets
inthe vehi cle
59Safety Z

Problem
Possible
causes/co nsequences and0050 0050
Solutions You
have lostaSmart-
Key. X
Have theSmartK eydeactivated ataqual ified specialist work-
shop.
X Report theloss immediately tothe vehicle insurers.
X Ifnecessary, havethelocks changed aswell. You
have lostthe
mechanical key. X
Report theloss immediately tothe vehicle insurers.
X Ifnecessary, havethelocks changed aswell. Doo
rs Import
antsafety notes G
WARNING
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment
Additionally, childrencouldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmission outof
park position 005D
R start theengine
There isarisk ofan accident andinjury.
Never leavechildren oranimals unattended
in the vehicle.
When leaving thevehicle, alwaystake the
SmartK eywith youand lock thevehicle. This
also applie sfor the Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect.
You should preferably placeluggage orloads
in the cargo compartmen t.Observe theload-
ing guidel ines(Ypage 251). Unloc
kingandopening doorsfrom
the inside X
To unlock andopen afront door: pulldoor
handle 0044.
If the door islocked, lockingknob0043pops
up. The door isunlocked andopens.
X To unlock arear door: pulluplocking
knob 0043.
The door isunlocked andcanbeopened.
X To open arear door: pulldoor handle 0044.
You canopen adoor from inside thevehicle
even ifit has been locked. Youcanonly open
the rear doors frominside thevehicle ifthey
are not secured bythe child-proof locks
(Y page 59).
If the vehicle haspreviously beenlocked with
the SmartK eyfrom theoutside, opening adoor
from theinside willtrigger theanti-t heftalarm
system. Switchoffthe alarm (Ypage 68). Centrally
lockingandunlocking the
vehicle fromtheinside
You cancent rally lockorunlock thevehicle
from theinside. Thiscanbeuseful ifyou wish
to lock thevehicle beforepullingaway ,for
example. Doo
rs
75Opening andclosing Z

X
To unl ock: pre ssbutton 0043.
X To lock :pre ssbutton 0044.
If allthe doors and thetailgate are closed ,
the vehiclelocks.
Mea nwhile, the fuelfil lerfla pwi llnot be
lo cked orunl ocke d.
Yo ucanno tunl ock thevehiclecentra lly from
the inside if the vehicleha sbe en locked with
the Sma rtKey orKEYL ESS-GO .
Yo ucan open ado or from inside the vehicle
eve nif it ha sbe en locked .Yo ucan open the
rea rdo ors from inside the vehicleunl ess they
are secu redbythe child-pro oflock
(Y page 59).
If the vehicleha spre viouslybe en locked with
the Sma rtKey fromtheoutsid e,op eni ng ado or
from theinside wi lltrig ger the anti-thef tal arm
sy stem .Swi tch offthe alarm (Ypage 68).
If alocked door isop ene dfrom theinside, the
pre vious unl ock status ofthe vehiclewi llbe
take ninto consi derati onif:
R the vehiclewa slo cked using the locking
bu tton forthe centra llo cking ,or
R ifthe vehiclewa slo cked automa tically
The vehiclewi llbe fullyunl ocke difit ha dpre -
vio uslybe en fullyunl ocke d.Ifonl ythe driver' s
do or hadbe en pre viouslyunl ocke d,onl ythe
do or wh ich hasbe en opene dfrom theinside is
unl ocke d. Au
tomati clo ck ingfea ture X
To deac tivate: pressand holdbu tton 0043for
ap pro xima telyfiv eseco ndsuntila tone
sou nds.
X To acti vate :pre ssand holdbu tton 0044for
ap pro xima telyfiv eseco ndsuntila tone
sou nds.
If yo upre ssone ofthe two buttons anddonot
hea ra tone, thereleva ntsetti nghasal rea dy
be en selecte d.
The vehicleis locked automa tically wh en the
ig niti onissw itch edon and thewheelsare
turni ng.
Yo ucou ldther eforelock yoursel fou tif:
R the vehicleis be ing pushe d
R the vehicleis be ing tow ed
R the vehicleis on arol lerdy nam ome ter
Yo ucan also switch theautoma ticlocking
func tionon and offusing the on-b oard com-
pu ter (Ypage 199 ). Un
lock ingthe drive r'sdoo r(me chan-
ic al key )
If the vehiclecan nolonger belocked or
unl ocke dwi th the Sma rtKey orKEYL ESS-GO ,
us ethe mech anical key.
If yo uus ethe mech anical key tounl ock and
op en the driver' sdo or, the anti-thef tal arm
sy stem willbe trig gered.Swi tch offthe alarm
(Y page 68).
X Take the mech anical key outof the Sma rt-
Key (Ypage 71).
X Inse rtthe mech anical key into thelock of
the driver' sdo or as far asitwi llgo. 76
Do
orsOpe ning and clos ing

G
WARNING
If objects, luggage orloa dsare not secure d
or not secure dsuffi ciently ,they couldslip ,
tip over orbe flung aroundand thereby hit
vehicl eoccupa nts.There isarisk ofinjury ,
particu larlyin the event ofsud den braki ng
or asud den change indire ction.
Alwa ysstore objects sothat they cannot be
flung around.Secure objects, luggage or
loa dsaga inst slipping ortippi ngbefore the
journey .
! The
tailgate swings upwards andtothe
rear when opened .There fore,make sure
that there issuffi cient clearance aboveand
behi ndthe tailgate.
The openi ngdime nsions ofthe tailgate canbe
found inthe "Veh icledata "section
(Y pag e341) .
You shou ldprefera blyplacelug gage orloa ds
in the cargo compartment. Observetheload-
ing guidel ines (Ypag e251).
Do not leavethe SmartKey inthe cargo com-
partment. Youcouldotherwi selock yourself
out.
The tailgate canbe:
R opened andclosed manuallyfrom outside
R vehi cleswith EASY-PA CKtailgate :
opened /closed automatica llyfrom theout-
side
R vehi cleswith EASY-PA CKtailgate :
opened /closed automatica llyfrom the
insid e
R vehi cleswith EASY-PA CKtailgate and
with KEYLESS-GO orKEYLESS-GO start
functio n:closed withtheremote operating
swi tch onthe SmartKey
R rele ased withtheemerge ncyrelease from
the insid e Tailgate
obstruction detectionwith
reversi ngfeature
On vehicl eswith anEASY-PACK tailgate, the
tail gate isequ ipped with automatic obstacle
recognitio nwith areversi ngfeatu re.Ifasoli d
object blocks orrestricts thetailgate when
au tomatica llyopeni ngorclosi ng,this proce-
dure isstoppe d.Ifthe tailgate isstoppe ddur- ing
the closi ngprocess ,the tailgate automati-
call yopens againslig htly. Theautomatic
obstructio ndetection withreversi ngfeatu reis
only anaid.It is not asub stitute foryou ratten-
tiveness whenopeningand closi ngthe tail-
gate. G
WARNING
The reversi ngfeatu redoes notrespo nd:
R to soft, light and thin objects, e.g.fingers
R over thelast1/3 in(8 mm) ofthe closi ng
movement
The reversi ngfeatu recannot prevent some-
one from becomi ngtrappe din these situa-
tions inparticu lar.There isarisk ofinjury .
Make surethatnobody parts areinclose
proximi tyduri ngthe closi ngproced ure.
If someb odybecomes trapped:
R press the0054 button onthe SmartKey ,
or
R pul lor press theremote operatingswitch
on the drive r'sdoor or
R press theclosi ngbutton/STOP buttonin
the tailgate or
R pul lthe handl eon the tailgate
Vehic leswith HANDS -FREEACCES S:itis
als opossi bletostop theclosi ngprocess by
performi ngakicking movement undertherear
bump er. Openi
ngand closing manually
Openi ng 78
Cargo
compar tmentOpeni ngand closi ng