lock MERCEDES-BENZ GLA 2020 Owner's Manual

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

Dri
vin gsa fet ysys tems Over
view ofdrivin gsa fet ysys tems
In this sec tion ,you willfindinfo rm ation about
th efo llow ing dri vin gsaf etysys tems :
R AB S(An ti-loc kBrak ing Syst em)
(Y page 60)
R BA S(Brak eAss istSyst em) (Ypage 61)
R Ac tive Brak eAs sis t(Y page 61)
R ES P®
(E lec tron icStabili tyProgr am)
(Y page 63)
R EB D(Elect ronicBrak efo rc eDist ribution )
(Y page 67)
R AD APTIV EBRA KE(Ypage 67)
R ST EERCON TROL (Ypage 67) Im
por tant safet ynot es
If you failtoadapt yourdrivin gst yle orifyou
are inat te nt ive ,th edri vin gsaf etysys tems can
ne ither reduce theris kof an acc iden tno r
ov err ide thelaws ofphys ics. Dr iving safety
sys tems are mer elyaids designed toass ist
dri vin g.
You arerespon sibleformain taining th edis -
ta nc eto theveh icle in fron t,forveh icle spe ed,
fo rbra king ingoo dtime, andforst ayin gin
lan e.Always adapt yourdrivin gst yle tosuit
th epre vail ing ro ad and weat hercond ition sand
main tain asaf edis tanc efrom theveh icle in
fr on t.Dr ive carefully.
The drivin gsaf etysys tems described only
wor kas effect ive lyas pos siblewhen there is
adeq uateco ntact between thetires and the
ro ad sur face.Plea sepay special atte nt ion to
th eno teson tires ,rec ommen dedminimum
ti re tread dept hs,etc. (Y page 306).
In win try dri vin gco nd ition s,always usewinter
ti res (M+ Stires )and ifne cessa ry,snow
ch ain s.On lyin this way willthedri vin gsaf ety
sys tems described inthis sec tion wor kas
ef fect ive lyas pos sible. ABS
(Anti-lock Brak ing System)
Gen eral inf orma tion AB
Sreg ulat esbra kepre ssu reinsuc haway
th at thewhee lsdo notloc kwhen youbrake. Thi
sallow syou tocontinue steer ing th eveh i-
cl e when braking .
The 0025 ABSwarn ing lamp intheinst rum ent
cl ust erligh tsup when theign ition isswit ched
on .It goe sout when theen gin eis run ning .
AB Swor ksfrom aspe edofabout 5mph
(8 km /h), regard lessof road- sur faceco nd i-
ti on s.AB Swor kson slip perysur faces, even
when youonlybra kegen tly.
Im por tant safet ynot es i
Obs
erveth e"Im portant saf etyno tes" sec -
ti on (Ypage 60). G
WAR
NING
If AB Sis malf unction ing, thewhee lsco uld
loc kwhen braking .The steer abili tyand
bra king charac teris tics would besev erely
aff ected. The reisan incr ease ddan ger of
sk iddi ngand acciden ts.
Dr ive oncar efully. HaveAB Sch ecke dimm e-
diat elyataqualif iedspecialis twor kshop .
Whe nAB Sis malf unction ing, other systems ,
in cludin gdri vin gsaf etysyst ems ,will also
bec omeinope rative .Obs erveth einfo rm ation
on theAB Swarn ing lamp (Ypage 234)and
dis play messageswhic hmay besho wninthe
in st rum entcl ust er(Y page 205).
Br ak ing X
IfABS interven es:continue todepr essthe
bra kepeda lvig orousl yunt ilth ebra king sit-
uat ion isov er.
X To ma keafu llbr ak eap plica tion: depr ess
th ebra kepeda lwit hfull forc e.
If AB Sinte rven es when braking ,you willfeel a
puls ing in thebra kepeda l.
The pulsating bra kepeda lcan beanindic ation
of haz ardous road cond ition s,and function sas
a rem inder totake extra car ewhil edri vin g.
Off -road ABS An
ABSsys tem spe cific ally suitedtooff-ro ad
te rrain isact ivat edaut omatically once theof f-
ro ad pro gram isact ivat ed(Ypage 170).
At spe eds belo w20 mph (30km/h), thefron t
whee lsloc kcyc lically during bra king .The dig-
gin g-in effect ach ieved inthepro cess red uce s 60
Dri
ving safet ysys temsSaf ety

the
stop ping dista nce onoff-roa dterr ain. Thi s
li mi ts ste ering cap ability . BAS
(Brak eAs sist Sys tem)
Ge neral info rmatio n BAS
opera tes ineme rgency braking situa tions.
If yo ude pre ssthe brakepedalqu ickl y,BAS
au toma tically bo osts thebraking force, thus
sho rteni ngthe stop ping dista nce.
Impo rtant safety notes i
Ob
serve the "Impo rtantsafety note s"sec-
tio n(Y page 60) . G
WA
RNING
If BAS isma lfunctio ning,the braking dis-
tance inan eme rgency braking situa tionis
incr eased. The reisaris kof an acc ident.
In an eme rgency braking situa tion,de pre ss
the brakepedalwi th fullfor ce. ABS prevents
the wheelsfro mlocking .
Braki ng X
Kee pthe brakepedalfir ml yde pre sse dunti l
the eme rgency braking situa tionis ove r.
ABS prevents thewheelsfro mlocking .
The brakes willfu nctio nas usua lonce you
rel ease the brakepedal.BAS isde acti vated . Ac
tiv eBrake Assist
Ge neral info rmatio n i
Ob
serve the "Impo rtantsafety note s"sec-
tio n(Y page 60).
Activ eBra keAssi stcons ists of adi sta nce
wa rning functio nwi th an autono mousbra king
fu nctio nand asitua tion-de pende ntbra ke
bo osti ngeffect.
Activ eBra keAssi stcan helpyouto minim ize
the riskof acol lisi on with the vehicletra vel ing
in fro ntor red uce theeffects ofsuch acol li-
si on.
If Activ eBra keAssi stdetects thatthe reisa
ris kof col lisi on, youwi llbe warned visually
and acoustica lly. Ifyo udo not reactto the vis- ua
lcol lisi on warning orthe warning tone ,
au tono mousbra king canbeinitia ted incri tica l
si tua tions. Ifyo uap plythe brakeyourse lfin a
cri tica lsi tua tion,Activ eBra keAssi stsupp orts
yo uwi th asitua tion-de pende ntbra keboosti ng
eff ect.
Impo rtant safety notes Dete
ctionof hazar dous situa tions can bepar-
ticu larly impaire dif:
R Th ere isdirt on the senso rsor any thing else
cove ringthe senso rs
R Th ere issno wor heavyra in
R Th ere isinte rferenc eby othe rra da rsou rces
R Th ere arestro ngrada rref lectio ns,forexa m-
pl e in pa rki ng garage s
R Anar row vehicleis tra vel ing infro nt, e.g.a
moto rbike
R Aveh icleis tra vel ing infro nton adi ffe rent
li ne
R Yo uar edri vin ganew vehicleor servi cing on
the Activ eBra keAssi stsyste mhasjus t
be en car riedou t
Ob serve the impo rta ntsafety note sin the
"Br eaking -innote s"sectio n(Y page 124) .
Fol lowi ng dama getothe frontend ofthe vehi-
cle ,ha ve the confi guratio nand opera tionof
the rada rse nso rche cked ataqu alifi ed spe-
cia list wo rksh op.Th isalso appliesto col lisi ons
at low sp ee ds where novisible da ma getothe
fro ntofthe vehicleis ap parent.
Ac tiv atin g/dea ctivati ng Activ
eBra keAssi stisacti veafter eve ryigni-
tio ncy cle .
Yo ucan activate or deacti vate Activ eBra ke
Assi st(Y page 197 )in the on-b oard com-
pu ter. Whendeacti vated ,the dista nce warning
fu nctio nand theautono mousbra king functio n
ar ealso deacti vated .
If Activ eBra keAssi stisde acti vated ,the 00D4
sy mbo lap pe arsin the assista nce graphicdis-
pl ay .
If yo uha ve acti vated DSR, ActiveBra keAssi st
is de acti vated .For furthe rinf orm ation onDSR,
se e(Y page 169 ). Dr
ivi ng safet ysy stem s
61Safet y Z

Situat
ion-dependent brakingassis-
tance General
informat ion
i Observe
the"Important safetynotes" sec-
tion (Ypage 60).
With thehelp ofthe radar sensor system,
Act ive Brake Assist candetect obstacles that
are inthe path ofyour vehicle foranexten ded
period oftime.
If Act ive Brake Assist detectsa risk ofcollision
with thevehicle infront ,it calculates thebrake
pressure necessary toavoid acollision. Ifyou
apply thebrakes forcefully, <0056004C0057005800440057004C005200510010004700480053004800510047
0010[
ent braking assistance adaptstothe situation
and automatically increasesthebrake pres-
sure toadegree appropriate tothe traffic sit-
uation.
Situation- dependent brakingassistance pro-
vides braking assistance inhazardous situa-
tions atspeeds above4mph (7km/h). Ituses
radar sensor technology toassess thetraffic
situation.
Situation- dependent brakingassistance is
capable ofreacting tomoving objectsthat
have already beendetect edassuch atleast
once overtheperiod ofobservation, upto
vehicle speeds ofaround 155mph
(250 km/h).
Situation- dependent brakingassistance can
also detect stationary objects,up tovehicle
speeds ofaround 44mph (70km/h).
X Keep thebrake pedaldepressed untilthe
emergency brakingsituation isover.
ABS prevent sthe wheels fromlocking.
The brakes willwork normally againif:
R you release thebrake pedal
R there isno longer anydanger ofacollision
R no obstacle isdetect edinfront ofyour vehi-
cle
Situation- dependent brakingassistance isthen
deactivated.
Import antsafety notes
i Observe
the"Important safetynotes" sec-
tion fordriving safetysystems (Ypage 60). G
WARNING
Act ive Brake Assist doesnotreact:
R to persons, bicycles, motorcyclesorani-
mals
R to approaching vehicles
R to cross traffic
R on bends
As aresult, Active Brake Assist cannot inter-
vene inall critical situations. Thereisarisk
of an accident.
Always paycareful attentiontothe traffic
situation andbeprepared tobrake. G
WARNING
Adaptive BrakeAssist cannot alwaysclearly
identify objectsand complex trafficsitua-
tions.
In such cases, Adaptive BrakeAssist might:
R interv eneunnecessarily
R not interv ene
There isarisk ofan accident.
Always paycareful attentiontothe traffic
situation andbeready tobrake. Terminate
the interv ention inanon- critical drivingsit-
uation.
Due tothe nature ofthe system, complex but
non- critical drivingcondition smay alsocause
Act ive Brake Assist tointerv ene.
Even ifAct ive Brake Assist isnot availa bledue
to amalfunction inthe radar sensor system,
the brake system isstill availa blewith full
brake boosting effectandBAS. ESP
®
(Ele ctronic Stability Program)
General notes i
Observe
the"Important safetynotes" sec-
tion (Ypage 60).
ESP ®
monitor sdriving stability andtract ion,
i.e. power transm issionbetween thetires and
the road surface.
If ESP ®
detect sthat thevehicle isdeviating
from thedirection desiredbythe driver, oneor
more wheels arebraked tostabilize thevehi- Driving
safetysystems
63Safety Z

swerving.
Trailerswithahigh centerofgrav-
ity can tipover before ESP®
can detect this.
There isarisk ofan accident.
Always adaptyour driving styletothe pre-
vailing roadandweather conditions.
If your vehicle withtrailer (vehicle/trailer com-
bination) beginstolurch, youcan only stabilize
the vehicle/trailer combinationbydepressing
the brake firmly.
ESP ®
trailer stabilization isactive above
speeds ofabout 65km/h.
ESP ®
trailer stabilization doesnotwork if
ESP ®
is deactivated ordisabl edbecause ofa
malfunction. EBD
(electronic brakeforcedistribu-
tion)
General informat ion EBD
monitors andcont rolsthebrake pressure
on the rear wheels toimprove drivingstability
while braking.
Importa ntsafety notes i
Observe
the"Important safetynotes" sec-
tion (Ypage 60). G
WARNING
If EBD ismalfunctioning, therear wheels can
lock, e.g.under fullbraking. Thisincreases
the risk ofskidding andanaccident.
You should therefore adaptyour driving
style tothe different handling characteris-
tics. Have thebrake system checked ata
qual ified speciali stworkshop.
Please observe theinformation onwarning
and indicator lamps(Ypage 234)
(Y page 234)aswell ason displa ymessages
(Y page 207). ADA
PTIVE BRAKE
ADA PTIVE BRAKE enhances brakingsafetyand
offers increased brakingcomfort.In addition
to the braking function, ADAPTIVE BRAKE also has
theHOLD function (Ypage 165)andhill
start assist (Ypage 128). STEER
CONTROL
General informat ion STEE
RCONTROL helpsyoubytransmitt inga
noticeable steeringforcetothe steering wheel
in the direction requiredforvehicle stabiliza-
tion.
This steering assistance isprovided inparticu-
lar if:
R both right wheels orboth leftwheels areon
a wet orslippery roadsurface whenyou
brake
R the vehicle beginstoskid
Importa ntsafety notes i
Observe
the"Important safetynotes" sec-
tion (Ypage 60).
No steering assistance isprovided fromSTEER
CONTROL, if:
R ESP ®
is malfunctioning
R the steering ismalfunctioning
If ESP ®
is malfunctioning, youwillbeassisted
further bythe electrical powersteering. Protection
againsttheft Immobilizer
The immobili zerprevents yourvehicle from
being started without thecorrect SmartKey.
X To activate withtheSmar tKey: remove
the SmartKey fromtheignition lock.
X To
activate withKEYLESS-GO start-func-
tion orKEY LESS-GO: switchtheignition off
and open thedriver's door.
X To deactivate: switchonthe ignition.
When leaving thevehicle, alwaystake the
SmartKey withyouand lock thevehicle. Any-
one canstart theengine ifavalid SmartKey
has been leftinside thevehicle.
i The
immobili zerisalwa ysdeactivated
when youstart theengine.
In the event thattheengine cannot bestar-
ted (yet thevehicle's batteryischarged), Protection
againsttheft
67Safety Z

the
syste misnot opera tional .Co ntact an
au thor izedMe rced es-Benz Center orcal l
1-800 -FOR-MER Cedes(in the USA) or
1-800-38 7-0100(in Ca nad a). ATA
(anti-the ftalarm system) X
To arm: lock the vehiclewi th the Sma rtKey
or KEYL ESS-GO .
Indi cato rla mp 0043flashe s.The alarm system
is arm edafte rap pro xima tely15 seco nds.
X To dis arm: unlock thevehiclewi th the
Sma rtKey orKEYL ESS-GO .
or X Inse rtthe Sma rtKey intotheigniti onlock.
A vis ualand audible alarm istrig geredifthe
al arm system isarm edand youop en:
R ado or
R the vehiclewi th the mech anical key
R the tailgate
R the hood
X To
switchthe alarm offwith the Smart-
Ke y:pre ssthe 0036 or0037 button onthe
Sma rtKey .
The alarm isstop ped.
or
X Vehi
cles with KEYLES S-GO start-f unc-
tio nor KEYLES S-GO :rem ove theStart/
Stop button from theigniti onlock
(Y page 125 ).
X Inse rtthe Sma rtKey intotheigniti onlock.
The alarm isstop ped. X
To
sto pthe alarm using KEYLES S-GO :
gra spthe outsid edo or handl e.The Sma rt-
Key mustbe outsid ethe vehicle.
The alarm isstop ped.
or X Pre ssthe Start/ Stopbutton onthe dash-
bo ard .The Sma rtKey mustbe inside the
veh icle.
The alarm isstop ped.
The alarm isnot stop ped, eve nif yo uclo sethe
op en door tha ttrig geredit,for exa mpl e.
i If
the alarm stayson for more than
30 seco nds,the Mer cedesme conne ct
eme rgency callsy stem automa tically send s
a mes sage tothe Custom erCe nter. Thisis
do ne either bytext message ordata con-
necti on.
The eme rgency callsy stem sendsthe mes -
sa ge ordata pro vided tha t:
R youha ve subsc ribed tothe Mer cedesme
conne ctser vice
R the Mer cedesme conne ctser vice has
be en acti vate dpro perly
R the nece ssarymob ile pho nenetw orkis
ava ilab le 68
Pro
tectionagai nstthef tSafe ty

Smar
tKey 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 transmissionoutof
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. G
WARNING
If you attach heavyorlarge object sto the
SmartK ey,the SmartK eycould beuninten -
tionally turnedinthe ignition lock.This
could cause theengine tobe switched off.
There isarisk ofan accident.
Do not attach anyheavy orlarge object sto
the SmartK ey.Remove anybulky keyrings
before insertin gthe SmartK eyinto theigni-
tion lock.
! Keep
theSmartK eyaway fromstrongmag-
netic fields. Otherwise, theremote control
funct ioncould beaffected.
Str ong magnetic fieldscanoccur inthe
vicinity ofpowerful electrical installations.
Do not keep theSmartK ey:
R with electron icdevices, e.g.amobile phone
or another SmartKey
R with metallic objects,e.g. coins ormetal foil
R inside metallic objects,e.g. ametal case
Vehicles withKEYLESS-GO startfunction:
do not keep theSmartK eyinthe cargo com- partment
.Otherwise, theSmartK eymay not
be detect ed,e.g. when startin gthe engine
using theStart /Stopbutton. Smar
tKeyfunctions 0043
0037 Tolock thevehicle
0044 0054 Toopen thetailgate
0087 0036 Tounlock thevehicle
X To unlock centrally: pressthe0036 but-
ton.
If you donot open thevehicle withinapprox-
imately 40seconds ofunlocking:
R the vehicle islocked again
R anti-t heftprotect ionisreactivated
X To lock: press the0037 button.
The SmartK eycent rally locks/un locks:
R the doors
R the tailgate
R the fuel filler flap
The turn signals flashonce when unlocking
and three times whenlocking.
When thelocator lighting isactivated viathe
multimedia system,itlights upwhen itis dark
after thevehicle isunlocked withtheremote
cont rol;see Digital Operator's Manual.
You canalso setanaudib lesignal toconfirm
that thevehicle hasbeen locked. Theaudib le
signal canbeactivated anddeactivated using
the on-board computer (Ypage 200).
X To
open thetailgate automatically from
outside thevehicle: pressandhold the
0054 button untilthetailgate opens
(Y page 79).
Vehicles withKEYLESS-GO orKEY LESS-GO
star tfunction: Smar
tKey
69Opening andclosing Z

X
To
clos ethe tailgate automatic allyfrom
outs idethe vehic le:if the Sma rtKey is
lo cate din the imm ediate vici nity ofthe vehi-
cle ,pre ssthe 0054 button onthe Sma rtKey
(Y page 79).
Whe nthe tailgate closes youcan then
rel ease the button. KE
YLES S-GO
Gen eral notes Bea
rin mind thatthe engi necan bestarted by
any ofthe vehicleoccu pants ifther eis a
Sma rtKey inthe vehicle.
Lo ckingand unlockin g Yo
ucan start,lock orunl ock thevehicleus ing
KEYL ESS-GO .To do this,yo uonl ynee dcar ry
the Sma rtKey with you. Yo ucan comb inethe
func tions ofKEYL ESS-GO with thos eof acon-
venti onalSma rtKey .Unl ock thevehicleby
us ing KEYL ESS-GO ,for instance ,and lock it
us ing the 0037 button onthe Sma rtKey .
The driver 'sdo or and thedoor atwh ich the
ha ndl eis us ed ,mu stbo th be closed .The
Sma rtKey mustbe outsid ethe vehicle. Whe n
lo cking orunl ocki ngwith KEYL ESS-GO ,the
di sta nce betwe enthe Sma rtKey andthecorr e-
spo nding door handl emu stnot begre ater
tha nthre efee t(o ne mete r).
A che ckwhich perio dical lyesta blishes arad io
conne ctionbe twe enthe vehicleand the
Sma rtKey determi neswhethe ra val idSma rt-
Key isin the vehicle. Thi soccu rs,for exa mpl e:
R wh en starting theengi ne
R wh ile dri ving
R wh en the exter naldoor handl esare touche d
R du ring conve nience closing X
To unl ockthe vehic le:tou chthe inne rsu r-
fac eof the door handl e.
X To lock the vehic le:tou chsens orsur-
fac e0043 or0044.
Ma kesure tha tyo udo not touchthe inne r
su rfa ce ofthe door handl e.
X Co nve nien ce clos ingfea ture: touch
rece ssedsens orsurfa ce 0044 for anextend ed
pe rio d.
Fur ther informa tionon the conve nience
clo sing fea ture (Ypage 85). X
To unl ockthe tailgate :pu lltai lgate han-
dl e 0043.
De acti vati ngand activati ng If
yo udo not intendtousethe vehiclefor a
lo nger perio dof time ,yo ucan deacti vate KEY-
LESS-G O.The Sma rtKey willthen usevery lit-
tle powe r,ther ebyconse rving battery powe r.
For thepurpo ses ofacti vation/d eactiva tion,
the vehiclemu stnot benea rby.
X To deac tivate: pressthe 0037 button on
the Sma rtKey twice inrap idsucces sion.
The indicator light onthe Sma rtKey flashe s
twi ce brieflythen onelong flash, then KEY-
LESS-G Ois de acti vate d(Y page 72).
X To acti vate :pre ssany button onthe Sma rt-
Key .
or X Inse rtthe Sma rtKey intotheigniti onlock.
KEYL ESS-GO andallof its associ atedfea -
ture sare availab leag ain. 70
SmartKe
yOpening and clos ing

KEYLESS-
GOstar tfu nct ion
Gene ralnot es Be
ar inmin dth at theen gin ecan bestart ed by
any oftheveh icleoc cup antsif th ere isa
Sm artKey intheveh icle. Cha
nging theset tings ofthelocki ng
sys tem
You canchang eth eset ting sof theloc king
syst em. This mean sth at onlythedri ver 'sdoor
and thefuel filler flap areunlockedwhen the
veh icleis unl ocked. This isusef ulifyou fre-
quen tly travel onyour own.
X To cha nge theset ting: pressand hold the
0036 and0037 buttons sim ultane ousl yfor
appr oximat elysixsec onds unt ilth ebat tery
ind icat orlamp flashes twice (Ypage 72).
If th eset ting oftheloc king syst emisch ang ed
wit hin thesign alran geoftheveh icle, pre ssing
th e0037 or0036 button:
R loc ksor
R unl ocks theveh icle
The SmartKey nowfun ction sas follows :
X To unl ock: pressthe0036 buttonon ce.
X To unl ock cent rally: pressthe0036 button
twi ce.
X To lock centrally: pressthe0037 button.
The KEYLE SS-GO function isch ang edasfol-
lows :
X To unl ock thedr iver 'sdoor :to uch the
inn ersur faceof thedoor handleonthedri v-
er' sdoor .
X To unl ock cent rally: touch theinn ersur -
fac eof thedoor handleonthefron t-
pass enger door ortherear door.
X To lock centrally: touch theout ersen sor
sur faceon oneof thedoor handles .
X To res toreth efa cto ryset tings: pressand
hold the0036 and0037 buttons sim ultane -
ousl yfor appr oximat elysixsec onds unt ilth e
bat tery checklamp flashes twice
(Y page 72). Mech
anical key
Gene ralnot es If
th eveh iclecan nolonger belockedor
unl ockedwit hth eSm artKey orKEYLE SS-GO ,
use themec hanical key.
If you usethemec hanical keyto unl ockand
open thedri ver 'sdoor orthetrunk lid,the
ant i-thef talarm systemwill betrigge red
(Y page 68).
The reare several ways totur noff thealarm :
X To
dea ctivate theala rm withth ekey :
pre ssthe0036 or0037 buttonon theke y.
or
X Inser tth eSm artKey intoth eign ition lock.
or X To
dea ctivate theala rm withKEYLESS -
GO: presstheSt art /S topbut tonin theign i-
ti on lock.The SmartKey mustbe intheveh i-
cle .
or X Loc kor unl ockth eveh icleusin gKE YLE SS-
GO. TheSmartKey mustbe out side theveh i-
cle .
If you unlockth eveh icleusin gth emec hanical
ke y,thefuel filler flap willnotbe unlocked
auto matically.
X To unl ock thefu el fill er flap:ins ert the
Sm artKey intoth eign ition lock.
Rem oving theme cha nica lkey Sm
artKey
71Opening andclosing Z

X
Push release catch0043 inthe direction ofthe
arrow andatthe same timeremove
mechanic alkey 0044from theSmart Key.
For further informationabout:
R Unlock ingthe driver's door(Ypage 76)
R Unlock ingthe cargo compart ment
(Y page 82)
R Lock ingthe vehicle (Ypage 77)
Inserting themechanical key X
Push mechanic alkey 0044completely intothe
Smart Keyuntil itengages andrelease
catc h0043 isback inits basic position. Smar
tKeybattery
Impor tantsafety notes G
WARNIN
G
Batt eries containtoxicand corros ivesub-
stanc es.Ifbatteries areswallowed, itcan
result insevere healthproblems. Thereisa
risk offatal injury.
Keep batteries outofthe reach ofchildren.
If abattery isswallowed, seekmedical
atten tionimmediately.
The Smart Keybatteries containperchlorat e
material, whichmayrequire specialhandling
and regard forthe environ ment.National
guidelines mustbeobserved duringdisposal.
In California, seewww.dtsc.ca. gov/
Haza rdousWast <004800120033004800550046004B004F005200550044005700480012004C0051
00470048005B0011> cfm.
Mercedes- Benzrecomm endsthatyouhave
the battery replaced ataqualified specialist
workshop. Checking
thebatt ery X
Press the0037 or0036 button .
The battery isworking properly ifbattery
check lamp0043lights upbriefly.
The battery isdischarged ifbattery check
lamp 0043does notlight upbriefly.
X Change thebattery (Ypage 72).
i Ifthe Smart Keybattery ischeck edwithin
the signal receptionrange ofthe vehicle,
pressing the0037 or0036 button :
R locks or
R unlocks thevehicle
i You
cangetabattery atany qualified spe-
cialist workshop.
Replacing thebatt ery You
require aCR 2025 3V cell battery.
X Take themechanic alkey outofthe Smart -
Key (Ypage 71). X
Press mechanic alkey 0044into theopening in
the Smart Keyinthe direction ofthe arrow
until battery traycover 0043opens. When
doing so,donot hold cover 0043shut.
X Remove batterytraycover 0043. 72
Sma
rtKeyOpening andclosing