2020 MERCEDES-BENZ GLA SUV lock

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

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