key MERCEDES-BENZ GLA 2020 Owner's Manual

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

X
Repeat edlytaptheSm artKey again styour
palm untilbat tery 0087 falls out.
X Inser tth ene wbat tery wit hth epos itive ter-
min alfac ing upwar ds.Use alin t-fr ee cloth
to do so. X
Mak esur eth at thesur faceof thebat tery is
fr ee oflint,gre ase and other contamin ants.
X Inser tth efron ttab sof bat tery tray cover 0043
and then pre sstoclo seit.
X Inser tmec hanical keyint oth eSm artKey
(Y page 72).
X Chec kth efun ction ofall Sm artKey buttons
on theveh icle. Pr
oblem swith theSm artKey Pr
oblem Poss
iblecauses/con sequenc esand 0050 0050
Solu tions You
cannotloc kor
unlo cktheveh icleusin g
th eSm artKey. The
SmartKey battery isdisc harged ornearly discharged.
X Veh
icles withoutKEYLESS -GO or KEYLESS -GO star tfu nct ion:
tr y to loc k/unlo cktheveh icleagain usingth eSm artKey' srem ote
co ntrol function .Poin tth etip of theSm artKey atthedriv er'sdoor
han dlefrom closeran geand pressthe0036 or0037 button.
If th is does notwor k:
X Chec kth eSm artKey battery (Y page 72)and replace itifne ces-
sar y(Y page 72).
X Un loc k(Y page 76)orloc k(Y page 77)th eveh icleusin gth e
mec hanical key. The
reisint erf ere ncefrom apowe rful sour ceofradi owave s.
X Veh
icles withoutKEYLESS -GO or KEYLESS -GO star tfu nct ion:
tr y to loc k/unlo cktheveh icleagain usingth eSm artKey' srem ote
co ntrol function .Poin tth etip of theSm artKey atthedriv er'sdoor
han dlefrom closeran geand pressthe0036 or0037 button.
If th is does notwor k:
X Un loc k(Y page 76)orloc k(Y page 77)th eveh icleusin gth e
mec hanical key. The
SmartKey isfault y.
X Un loc k(Y page 76)or loc k(Y page 77)theveh icleusin gth e
mec hanical key.
X Hav eth eSm artKey checke dat aqualif iedspec ialist workshop. Sm
artKey
73Opening andclosing Z

Problem
Possible
causes/co nsequences and0050 0050
Solutions You
cannolonger lock
or unlock thevehicle
using KEYLE SS-GO. The
SmartK eybattery isdischarged ornearly discharged.
X Check theSmartK eybattery (Ypage 72)and replace itifneces-
sary (Ypage 72).
If this does notwork:
X Unlock (Ypage 76)orlock (Ypage 77)thevehicle usingthe
mechanical key. There
isinterf erence fromapowerful sourceofradio waves.
X Unlock (Ypage 76)orlock (Ypage 77)thevehicle usingthe
mechanical key. KEYLE
SS-GO ismalfunctionin g.
X Lock/ unlock thevehicle usingtheremote controlfunct ionofthe
SmartK ey.
X Have thevehicle andSmartK eycheck edataqual ified specialist
workshop.
If the vehicle canalso notbelocked/unlock edusing theremote
cont rolfunct ion:
X Unlock (Ypage 76)orlock (Ypage 77)thevehicle usingthe
mechanical key.
X Have thevehicle andSmartK eycheck edataqual ified specialist
workshop. The
engine cannot be
started usingtheSmart-
Key. The
on-board voltageistoo low
X Switch offnon- essential consumers, e.g.seat heating orinterior
lighting, andtrytostart theengine again.
If this does notwork:
X Check thestarter battery andcharge itifnecessary
(Y page 295).
or
X Jump-start thevehicle (Ypage 296).
or
X Consult aquali fiedspecialist workshop. The
engine cannot be
started usingtheStart /
Stop button. TheSmart-
Key isin the vehicle. The
vehicle islocked.
X Unlock thevehicle andtrytostart thevehicle again. The
SmartK eybattery isdischarged ornearly discharged.
X Check theSmartK eybattery (Ypage 72)and replace itifneces-
sary (Ypage 72).
If this does notwork:
X Start yourvehicle withtheSmartK eyinthe ignition lock. There
isinterf erence fromapowerful sourceofradio waves.
X Start yourvehicle withtheSmartK eyinthe ignition lock. 74
Smar
tKeyOpening andclosing

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

X
Turn themechanic alkey count er-clockwise
as far asitwill gotoposition 0047.
The door isunlocked.
X Turn themechanic alkey back andremove
it.
X Insert mechanic alkey into theSmart Key
(Y page 72). Locking
thevehicle (mechanical key)
If the vehicle cannolonger belocked withthe
Smart KeyorKEYLE SS-GO, usethemechanic al
key.
X Open thedriver's door.
X Close thefront -passenger door,therear
doors andthetailgate.
X Press thelockin gbutton onthe driver’s door
(Y page 75).
X Check whether thelockin gknobs onthe
front -passenger doorandtherear doors are
still visible. Pressdownthelockin gknobs by
hand, ifnecessary.
X Close thedriver's door.
X Take themechanic alkey outofthe Smart -
Key (Ypage 71).
X Insert themechanic alkey into thelock of
the driver's doorasfar asitwill go. X
Turn themechanic alkey clock wiseasfar as
it will gotoposition 0047.
X Turn themechanic alkey back andremove
it.
X Make surethatthedoors andthetailgate
are locked.
X Insert mechanic alkey into theSmart Key
(Y page 72).
i If
you lock thevehicle asdescribed above,
the fuel filler flapisnot locked. Theanti-
theft alarm system isnot armed. Cargo
compar tment Import
antsafety notes G
WARNIN
G
Parts ofthe body could become trapped
during automatic closingofthe tailgate.
Moreover, people,e.g.children, maybe
standin gin the closing areaormay enter the
closing areaduring theclosing process.
There isarisk ofinjury.
Make surethatnobody isin the vicinit yof
the closing areaduring theclosing process.
Use oneofthe following optionstostop the
closing process:
R press the0054 button onthe Smart Key.
R pull orpress theremote operating switch
on the driver's door.
R press theclose button orSTOP button on
the tailgate.
R pull thehandle onthe tailgate. G
DANGER
Combustion enginesemitpoisonous
exhaust gasessuchascarbon monoxide.
Exh aust gases canenter thevehicle interior
if the tailgate isopen while theengine is
runnin g,especially ifthe vehicle isin
motion .There isarisk ofpoisoning.
Always switchoffthe engine beforeopening
the tailgate. Neverdrivewiththetailgate
open. Cargo
compar tment
77Opening andclosing Z

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

X
Press the0036 button onthe Smart Key.
X Pull handle 0043.
X Lift the tailgate.
Closing X
Pull thetailgate downusinghandle 0043.
X Allow thetailgate todrop intothelock.
X Lock thevehicle ifnecess arywith the0037
button onthe Smart Keyorwith KEYLE SS-
GO. Opening/clo
singautomat ically from
the outside
Impor tantsafety notes G
WARNIN
G
Parts ofthe body could become trapped
during automatic closingofthe tailgate.
Moreover, people,e.g.children, maybe
standin gin the closing areaormay enter the
closing areaduring theclosing process.
There isarisk ofinjury.
Make surethatnobody isin the vicinit yof
the closing areaduring theclosing process.
Use oneofthe following optionstostop the
closing process:
R press the0054 button onthe Smart Key.
R pull orpress theremote operating switch
on the driver's door.
R press theclose button orSTOP button on
the tailgate.
R pull thehandle onthe tailgate. G
DANGER
Combustion enginesemitpoisonous
exhaust gasessuchascarbon monoxide.
Ex haust gases canenter thevehicle interior
if the tailgate isopen while theengine is
runnin g,especially ifthe vehicle isin
motion .There isarisk ofpoisoning.
Always switchoffthe engine beforeopening
the tailgate. Neverdrivewiththetailgate
open.
! The
tailgate swingsupwards andtothe
rear when opened. Therefore, makesure
that there issufficient clearance aboveand
behind thetailgate.
Two warning tonessound whilethetailgate is
opening orclosing.
The opening dimensions ofthe tailgate canbe
found inthe "Vehicle data"section
(Y page 341).
Opening automat ically You
canopen thetailgate automatically with
the Smart Keyorthe handle inthe tailgate.
X Press andhold the0054 button onthe
Smart Keyuntil thetailgate opens.
or
X Ifthe tailgate isunlocked, pullthehandle
and letitgo again immediately.
Closing automat ically Vehicles
withEASY-PACK tailgate:you can
also close thetailgate automatically fromout-
side. Cargo
compar tment
79Opening andclosing Z

X
To clos e:pre ssbutton 0043onthe tailgate .
or X Vehi
cles with EASY-PA CK tailgate and
KE YLES S-GO orKEYLES S-GO startfunc-
tio n:ifthe Sma rtKey islocate din the imm e-
di ate vicinity ofthe vehicle, pre ssthe 0054
bu tton onthe Sma rtKey .
Yo ucan release the button assoo nas the
tai lgate starts toclo se.
X To sto pthe clos ingproc ess: pre ssbut-
ton 0043onthe tailgate again.
or
X Pu llthe handl ein the tailgate .
or X Pre ssthe 0054 button onthe Sma rtKey
unti lthe tailgate stop s.
or X Pre ssorpullthe rem oteopera ting switch on
the driver 'sdo or. HA
NDS -FRE EAC CESS
Impo rtant safetynotes G
WAR
NING
The vehicleexha ustsy stem canbecome
ver yhot. Ifyo uus eHANDS-FR EEACC ESS,
yo ucou ldbu rn yoursel fby tou ching the
exha ustsy stem .The reisaris kof inju ry.
Alw aysensu retha tyo uma kethe kicki ng
move ment onlywi thi nthe detecti onrang eof
the sens ors.
! If
the Sma rtKey iswithi nthe rearde tecti on
rang eof KEYL ESS-GO ,the followi ng situa -
tio ns, forexa mpl e,cou ldlead tothe unin-
tenti onalop eni ng ofthe tailgate :
R wh en using anautoma ticcar wash
R wh en using apo we rwa she r
Ma kesure tha tthe Sma rtKey isat leas t
10 ft(3 m) awa yfrom the vehicle.
i Yo
ucan also deacti vate KEY LESS-G O.Fur -
the rinf orm ation ondeacti vating andactivat-
ing KEY LESS-G O(Y page 70). Ge
neral notes Wi
th KEY LESS-G Oand HANDS-FR EEACC ESS,
yo ucan open orclo sethe tailgate orstop the
pro ced urewi thou tus ing your hands .Thi sis
us efu lif yo uha ve your hands full. To do this,
ma keakicki ngmov eme ntund erthe bumpe r
wi th your foo t.
Ob serve the followi ng points :
R Ca rry your KEY LESS-G Okey abou tyo ur per-
son .The Sma rtKeymu stbe atthe rearof
the vehiclein the detecti onrange ofKEY -
LESS-G O.
R Wh enma king thekicki ngmov eme nt,make
su re tha tyo uar esta ndi ng firml yon the
gro und andthatthe reissu fficie ntcle arance
to the rearof the vehicle. Yo ucou ldothe r-
wi se lose your balance, forexa mpl eon ice. R
Alw aysens uretha tyo uonl yma kethe kick-
ing mov eme ntwithi nthe detecti onrange of
se nso rs0043.
R Stand atleas t12 in(30 cm)aw ay fromthe
rea rar ea while do ing so.
R Do not come intoconta ctwith the bumpe r
wh ile ma king thekicki ngmov eme nt.Othe r-
wi se ,the senso rsma ynot functio ncor-
rectl y.
R HANDS-FR EEACC ESS does not functio n
du rin geng inestart.
R Dir tcau sedby roa dsa ltor sno warou nd
se nso rs0043 mayres tric tfu nctio nality.
Usi ngthe HANDS-FR EEACC ESS with a
pro sthe ticleg ma yres tric tfu nctio nality.
R IfaKEY LESS-G Okey isat the rearof the
veh iclein the detecti onrange ofKEY LESS-
GO ,HANDS-FR EEACC ESS couldbe trig - 80
Ca
rgo compartmen tOpening and clos ing

gered.
Thetailgate couldthusbeopened or
closed uninten tionally, forexample, ifyou:
- set somethin gdown orlift somethin gup
behind thevehicle.
- polish therear ofthe vehicle.
Do not carry theKEYLE SS-GO key about
your person inthese situations orinsitua-
tions similar tothese. Thiswillprevent the
uninten tionalopening/c losingofthe tail-
gate.
Operat ion X
To open/clo se:kick your footintosensor
detect ionzone 0043below thebumper.
Two warning tonessound whilethetailgate
is opening orclosing.
X If
the tailgat edoes notopen/clo seafter
several attempt s:wait atleast tensec-
onds, usingyourfootkick under thebumper
again.
If you hold your footunder thebumper fortoo
long, thetailgate doesnotopen orclose.
Repeat thelegmovement morequickly ifthis
occurs.
To stop theopening orclosing procedure:
R kick with your footintosensor detection
range 0043under thebumper, or
R pull thehandle onthe outside ofthe tail-
gate, or
R press theclosing buttononthe tailgate, or
R press the0054 button onthe Smart Key
If the tailgate closingprocedure hasbeen
stopped:
R kick your footunder thebumper againand
the tailgate willopen. If
the tailgate opening procedure hasbeen
stopped:
R kick your footunder thebumper againand
the tailgate willclose. Opening/cl
osingautomat ically from
inside
Import antsafety notes G
WARNING
Parts ofthe body could become trapped
during automatic closingofthe tailgate.
Moreover, people,e.g.children, maybe
standing inthe closing areaormay enter the
closing areaduring theclosing process.
There isarisk ofinjury.
Make surethatnobody isin the vicinity of
the closing areaduring theclosing process.
Use oneofthe following optionstostop the
closing process:
R press the0054 button onthe Smart Key.
R pull orpress theremote operating switch
on the driver's door.
R press theclosing orlocking buttononthe
tailgate.
R pull thehandle onthe tailgate G
DANGER
Combustion enginesemitpoisonous
exhaust gasessuchascarbon monoxide.
Exhaust gasescanenter thevehicle interior
if the tailgate isopen while theengine is
runnin g,especially ifthe vehicle isin
motion. Thereisarisk ofpoisoning.
Always switchoffthe engine beforeopening
the tailgate. Neverdrivewiththetailgate
open.
! The
tailgate swingsupwards andtothe
rear when opened. Therefore, makesure
that there issufficient clearance aboveand
behind thetailgate.
Two warning tonessound whilethetailgate is
opening orclosing. Cargo
compar tment
81Opening andclosing Z