2020 MERCEDES-BENZ GLA SUV key battery

Rear
windo wdefro ster
Gen eral notes The
rearwi ndow defroste rha sa hig hcurr ent
dra w.Yousho uld there foreswitch itoff as
soo nas the rearwi ndow iscle ar. Othe rwise,
the rearwi ndow defroste rswi tches offauto-
mati callyafte rsev eralminu tes.
If the battery voltag eis too low, the rearwi n-
dow defroste rmay switch off. Ac
tivati ng/de acti vatin g X
Tu rn the Smar tKeytopos ition 0048 inthe igni-
tion lock (Ypage 125 ).
X Pre ssthe 006C button.
The indicator lamp inthe 006C button lights
up orgoe sou t.
Prob lems with the rear windo wdefro ster Prob
lem Po
ssi blecau ses/ conse quen cesand 0050 0050
So luti ons The
rearwi ndow
def roste rha sdea ctiva -
ted prematu relyor can-
not beacti vate d. The
battery hasnot beensu ffici ently charged.
X Swi tch offany consu mersthatarenot required ,e.g. reading
la mps ,inter iorlighti ngorthe seathea ting.
Whe nthe battery issu ffici ently charged,the rearwi ndow
def roste rcan beacti vate dag ain. Sw
itchin gair-re circul ationmode
on /o ff
Gen eral notes Yo
ucan deactiva tethe flowof fres hairif
unp leas ant odorsare enter ingthe vehiclefrom
ou tsid e.The airal rea dyinsi dethe vehiclewi ll
then bereci rcul ated.
If yo uswi tch onair-reci rculation mod e,the
wi ndow scan fogupmore quickl y,in pa rticu lar
at low temp erature s.Only useair-reci rculation
mod ebri eflyto pre vent thewindow sfrom fog-
gi ng up.
The operationofair-reci rculation mod eis the
sa me forallcontrol panel s.
Ac tivati ng/de acti vatin g X
Tu rn the Smar tKeytopos ition 0048 inthe igni-
tion lock (Ypage 125).
X To acti vate :pre ssthe 008A button.
The indicator lamp inthe 008A button lights
up .
Dua l-zoneautomati ccl imate control :ai r-
reci rcul ation mod eis acti vate dau toma tically:
R at hig hou tsid etemp erature s
R at hig hlevel sof pol lution Whe
nair-reci rculation mod eis acti vate dau to-
mati cally,the indicator lamp inthe 008A but-
ton isnot lit. Ou tsid eairis ad ded afterab ou t
30 minu tes.
X To deac tivate:pressthe 008A button.
The indicator lamp inthe 008A button goes
ou t.
i Air-re circulation modedea ctiva tesauto-
mati cally:
R afte rap pro xima telyfiveminu tesatout-
sid etemp erature sbel ow appro xima tely
45 ‡(7 †)
R afte rap pro xima telyfiveminu tesifthe
"C ool ing with airdeh umidifica tion" func-
tion isdea ctiva ted
R afte rap pro xima tely30minu tesatoutsid e
temp erature sab ove appro xima tely45‡
(7 †) ifthe "Cool ing with deh umidifica -
tion" functi onisacti vate d Sw
itchin gthe residual heatonoroff
Gen eral notes The
residua lhea tfuncti onisonly availab lein
veh icles for Canad awi th dual-zone automa tic
cli mate control . 12
2 Ope
rating theclimate control systemsClimate control

It
is possib leto make useofthe residu alheat
of the engine tocontinue heatingthevehicle
for appro ximately 30minutes aftertheengine
has been switched off.The heating time
depends onthe setinterior temperature .
i The
blow erwil lrun atalow speed regard-
less ofthe airflowsetting.
i If
you activate theresidu alheat function at
high temperature s,only theventilation will
be activated. Theblow erruns atmediu m
speed .
i You
cannot usetheventilation tocool the
vehicle interior toatemperature lowerthan
the outsid etemperature .
Ac tivating/de activating X
Turn theSmartKey topositio n005A inthe igni-
tion lock orremove it(Y page 125).
X Press the004B button.
The indicator lampinthe 004B button lights
up orgoes out.
The indicator lampinthe button indicates
that therespective functionisactivated.
i Resi dualheat isdeactiva tedautoma tically:
R after appro ximately 30minutes
R when theignition isswitched on
R ifthe battery voltage drops Air
vents Important
safetynotes G
WARNING
Very hotorvery cold aircan flow from the
air vents. Thiscould resultin burns orfrost-
bite inthe immedi atevicinity ofthe air
vents. Thereisarisk ofinjury.
Make surethatallvehicle occupants always
maintain asufficie ntdistance tothe airout-
lets. Ifnecessary ,redirect theairflowto
another areaofthe vehicle interior. In
order toensure thedirect flowoffresh air
through theairvents intothevehicle interior,
plea seobserve thefollow ingnotes:
R keep theairinlet betwee nthe windshi eld
and thehood freeofblockage s,such asice,
snow orlea ves.
R never covertheairvents orair intake grilles
in the vehicle interior.
i For
optimal climatecontrolinthe vehicle ,
open theairvents completely andsetthe
adjusters tothe central position. Setting
theairvents 0043
Side window defroster vent
0044 Side airvent
0049 Side airvent open
004A Side airvent closed
X To open aside airvent: turntheadjuster
in side airvent 0044tothe left inpositio n0049.
X To clo seaside airvent: turntheadjuster
in side airvent 0044clockwise asfar asitwil l
go topositio n004A.
i The
center andrear airvents areadjusted
in the same way. Ai
rvents
123Climate control Z

R
the doors areclo sedand locked
R the windo wsand slid ing sunroo far eclo sed
Als oma kesure tha t:
R the fuel tank issu fficie ntly filled
R the starter battery hasbe en sufficie ntly
cha rged G
WA
RNING
Li mbs couldbe cru she dor tra pped ifthe
eng ineissta rted unintenti onally du rin gse r-
vic eor ma inte nanc ewo rk. The reisaris kof
inju ry.
Alw aysse cur ethe engineagainst uninten-
tio nal startin gbe for ecar rying outma inte -
nanc eor rep airwo rk.
Ma kesure tha tthe enginecann otbe started
via your sma rtphone befor ecar rying outma in-
tena nceorrep airs. Youcan prevent aneng ine
sta rtvia your sma rtphone,for exa mpl e,ifyo u:
R sw itch onthe hazar dwa rning lamps
R do not lock the doors
R op en the hood Pul
ling away
Ge neral notes G
WA
RNING
If the enginespee dis ab ove theidling spee d
and youeng agetra nsmi ssion positio n003A
or 0046 ,the vehiclecou ldpu llaw ay sud-
de nly .The reisaris kof an acc ident.
Wh eneng aging transmi ssion positio n003A
or 0046, alwa ysfirml yde pre ssthe brake
pe daland donot simu ltaneo uslyacc elera te.
Dep ressthe accelera tor carefully wh en pulling
aw ay.
The vehiclelocks centr ally once youha ve
pu lled away.The locking knobsin the doors
dro pdo wn.
Yo ucan open the doors fromthe inside at any
tim e.
Yo ucan also deacti vate the automa ticlocking
fea ture(Y page 199 ).
Veh icle swi th auto matic transmission :it is
po ssi ble to shi ftthe transmi ssion fromposi- tio
n005D tothe desired positio nonl yif yo u
de pre ssthe brakepedal.Onl ythe ncan the
pa rki ng lock be deacti vated .
Al lve hic les(e xc ept Merce des -AMG vehi-
cl es ):ifyo udo not depre ssthe brakepedal,
the DIRECT SELEC Tlever can stillbe mov ed
bu tthe parki ng lock rem ains eng aged .
Me rce des -AMG vehic les: ifyo udo not
de pre ssthe brakepedal,the selector lever can
sti llbe mov edbutthe parki ng lock rem ains
eng aged .
At transmi ssion fluidtemp eratures below 00F84 ‡
(00F8 20 †),yo ucan onlyshi ftou tof positio n005D
into anothertra nsmi ssion positio nwh en the
eng ineisrunning .
i Up
shi fts take place athighe reng ine
sp ee ds after acol dsta rt.Thishe lpsthe cat-
al yti cconve rtertorea chits opera ting tem-
pe ratur emor equ ickl y.
Info rma tionon the automa ticrelease ofthe
el ectr icpa rki ng bra ke(Ypage 148 ).
Hil lstart assist Hil
lsta rtas sist helpsyo uwh en pulling away
for wa rdorinrev ers eon anuphillgra dient. It
hol dsthe vehiclefor asho rttim eaf ter you
ha ve rem ovedyo ur foo tfro mthe brakepedal.
Thi sgi ves youeno ughtim eto mov eyo ur foo t
fro mthe brakepedalto the accelera tor pedal
and todepre ssitbe for ethe vehiclebe gins to
rol l. G
WA
RNING
After asho rttim e,hillsta rtas sist willno lon-
ge rbra keyour veh icleand itcou ldrol law ay.
Th ere isaris kof an acc ident and injury.
Th ere fore,qu ickl ymov eyo ur foo tfro mthe
bra kepedalto the accelera tor pedal.Nev er
le av ethe vehiclewh en itis he ldby hillsta rt
as sist.
Hil lsta rtas sist isnot activeif:
R youar epu lling away on alevel roador on a
do wnh ill gra dient.
R the transmi ssion isin po sitio n005C.
R the electr icpa rki ng bra keisap plied.
R ESP ®
is ma lfunctio ning.
Fur therinf orm ation onholding the vehiclesta -
tio nar yon uphillgra dients (Ypage 138) . 12
8 Dr
ivi ngDr ivi ng andparki ng

R
the syste mdetects moistureon the wind-
shi eld wh en the air-con ditio ning syste mis
sw itch edon
R the cond ition ofcha rge ofthe battery istoo
lo w
Shi ftin gthe transmi ssion topositio n005D does
not startthe engine.
De activ atin gor activ atin gthe ECO
start/ stopfun ction X
To dea ctivate :pre ssECO button 0043.
Indi cato rla mp 0044goes out.
X To activ ate :pre ssECO button 0043.
Indi cato rla mp 0044lights up.
If ind icator lamp 0044isoff ,the ECO start/sto p
fu nctio nha sbe en deacti vated manua lly or as
the resultof ama lfunctio n.The enginewill the
nnot beswitch edoff automa tically wh en
the vehiclestop s. AM
GPe rfo rmanc eex haus tsys tem
(M erc ede s-AMG vehic les)
Yo ucan choose betwe endiffe rent AMG Per-
for ma nce exhaust syste mvol um esusing the
po sitio nof the exhaust flap.
Each timeyo usta rtthe enginewith the Sma rt-
Key orthe Star t/Stop button, thequietes tse t-
ting isacti vated . Setti
ngthe volum e:
X Pre ssbutton 0043.
If yo use lect the loud estse tting ,ind icator
la mp 0044lights up. 13
0 Dr
ivi ngDr ivi ng andparki ng

Problems
withfuelandthefuel tank Problem
Possible
causes/co nsequences and0050 0050
Solutions Fuel
isleaking fromthe
vehicle. The
fuel lineorthe fuel tank isfaulty.
G WARNING
Risk ofexplosion orfire.
X Apply theelectric parking brake.
X Switch offthe engine.
X Remove theSmartK eyfrom theignition lock.
or, invehicles withKEYLE SS-GO start- functionorKEYLE SS‑GO
X Open thedriver's door.
The vehicle electron icsare now inposition 005A.This isthe same
as the SmartK eybeing removed fromtheignition.
X Do not restart theengine underanycircumst ances.
X Consult aquali fiedspecialist workshop. The
fuel filler flapcan-
not beopened. The
fuel filler flapisnot unlocked.
X Unlock thevehicle (Ypage 69). The
SmartK eybattery isdischarged ornearly discharged.
X Unlock thevehicle usingthemechanical key(Ypage 76). The
fuel filler flapisunlocked, buttheopening mechanism isjam-
med.
X Consult aquali fiedspecialist workshop. Parking
Import
antsafety notes G
WARNING
Flammable materialsuchasleaves, grassor
twigs mayignite ifthey come intocontact
with hotparts ofthe exhaust systemor
exhaust gasflow. There isarisk offire.
Park thevehicle sothat noflammable mate-
rials come intocontactwith parts ofthe
vehicle whicharehot. Take particular care
not topark ondry grassland orharvested
grain fields. 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.
! Always
securethevehicle correctlyagainst
rolling away.Otherwise, thevehicle orits
drivetrain couldbedamaged. Park
ing
145Driving andparking Z

Smar
tKey Display
messages Possible
causes/co nsequences and0050 0050
Solutions 00AF
Key Does Not Key
Does Not
Belong toVehicle Belong
toVehicle You
have putthewrong SmartK eyinthe ignition lock.
X Use thecorrect SmartKey. 00AF
Take YourKeyfrom Take
YourKeyfrom
Ignition Ignition The
SmartK eyisin the ignition lock.
A warning tonesounds
X Remove theSmartK ey. 00AF
Obtain aNew Key Obtain
aNew Key The
SmartK eyneeds tobe replaced.
X Visit aquali fiedspecialist workshop. 00AF
Replace KeyBattery Replace
KeyBattery The
SmartK eybattery isdischarged.
X Change thebattery (Ypage 72). 00AF
Don't Forget Your Don't
Forget Your
Key Key The
display message isshown foramaximum of60 seconds andis
only areminder.
You have opened thedriver's doorwiththeengine switched off.The
SmartK eyisnot inthe ignition lock.Awarning tonesounds.
X Take theSmartK eywith youwhen youleave thevehicle. 00AF
Key NotDetected Key
NotDetected
(red display message) The
SmartK eyisnot inthe vehicle.
A warning tonealsosounds.
If the engine isswitched off,you can nolonger lockthevehicle cen-
trally orstart theengine.
X Pull over andstop thevehicle safelyassoon aspossible, paying
atten tiontoroad andtraffic condition s.
X Secure thevehicle against rollingaway(Ypage 145).
X Locate theSmartK ey. Because
thereisinterf erence fromastron gsource ofradio waves,
the SmartK eyisnot detect edwhilst theengine isrunning.
A warning tonealsosounds.
X Pull over andstop thevehicle safelyassoon aspossible, paying
atten tiontoroad andtraffic condition s.
X Secure thevehicle against rollingaway(Ypage 145).
X Insert theSmartK eyinto theignition lockanddrive inSmartK ey
mode. 230
Display
messagesOn-board computerand displays

X
Turn theSmart Keytoposition 0048inthe igni-
tion lock (Ypage 125).
X Vehicles
withastowage compartment
cover: pressthelower section ofcover 0043.
The stowage compartmentopens.
X Press incigarett elighter 0044.
Cigarette lighter0044will pop outautomati-
cally when theheating element isred-hot . 12
Vsockets
General notes X
Turn theSmart Keytoposition 0047inthe igni-
tion lock (Ypage 125).
The socket scan beused foraccessories with
a maximum drawof180 W(15 A).Acc essories
include suchitems aschargers formobile
phones.
If you usethesocket sfor long periods when
the engine isswitched off,thebattery maydis-
charge.
An emergenc ycut- out ensures thattheon-
board voltage doesnotdrop toolow. Ifthe on-
board voltage istoo low, thepower tothe
socket sis automatically cut.This ensures that
there issufficient powertostart theengine.
Socket inthe front center console X
Vehicles
withastowage compartment
cover: pressthelower section ofthe cover.
The stowage compartmentopens.
X Lift upthe cover ofthe socket . Socket
inthe rear passenger compart-
ment center console X
Pull thecover outbythe top ofthe handle
edge.
X Lift upthe cover ofthe socket .
Socket inthe cargo compar tment X
Lift upthe cover ofsocket 0043. Mercedes
meconnec t
General notes A
license agreement mustbeinplace inorder
to activate theMercedes meconn ectservice.
Make surethatyour system isactivated and
operational. Toregister, pressthe00D9 MB
Info callbutton .If any ofthe steps mentioned
are not carried out,thesystem maynotbe
activated.
If you have questions abouttheactivation ,
cont actone ofthe following telephone hot-
lines:
R USA: Mercedes- BenzCustomer Assistance
Center at1-8 00-FOR-ME RCedes
(1-80 0-367-6372 )or 1-86 6-990-9007
R Canada: Customer Serviceat
1-88 8-923-8367
Short lyafter successfully registeringwith the
service, auser IDand password willbesent to
you bypost.
USA only: youcan usethis password tolog
onto theMercedes meconn ectarea under
"Owners Online"athtt p://www.mbusa. com. Featur
es
261Stowage andfeatu res Z

or
sparks arecreated, thehydrogen gascan
ignite. Thereisarisk ofan explosion.
R Make surethatthepositive terminalof a
conn ected battery doesnotcome into
cont actwith vehicle parts.
R Never placemetal object sor tools ona
battery.
R Itis important thatyouobserve the
described orderofthe battery terminals
when connectin gand disconn ectingabat-
tery.
R When jump-st arting,makesurethatthe
battery poleswithidentical polarityare
conn ected.
R Itis particularly importanttoobserve the
described orderwhen connectin gand dis-
conn ectin gthe jumper cables.
R Never connectordisconn ectthe battery
termin alswhile theengine isrunnin g. G
WARNING
Batt eryacid iscaustic. Thereisarisk of
injury.
Avoid contactwith skin, eyesorclothin g.Do
not inhale anybattery gases.Donot lean
over thebattery. Keepchildren awayfrom
batteries. Washawaybattery acidimmedi-
ately withplenty ofclean water andseek
medical attention. H
Environmental
note Batt
eries containpollutants.
It is illegal todispose of
them withthehousehold
rubbish. Theymust becol-
lected separately anddis-
posed ofinan environ men-
tally responsible recycling
system. Dispose
ofbatteries inan
environ mentallyresponsible
manner. Takedischarged
batteries toaquali fiedspe-
cialist workshop ortoacol- lection
pointforused bat-
teries.
! Have
thebattery regularly checkedata
quali fiedspecialist workshop.
Comply withtheservice intervalsinthe
Maintenan ceBooklet ,or cont actaquali fied
specialist workshop formore informat ion.
! You
should haveallwork involving thebat-
tery carried outataquali fiedspecialist
workshop. Inthe except ionalcasethatitis
necessary foryou todisconn ectthe battery
yourself, makesurethat:
R switch offthe engine andremove the
Smart Key.Onvehicles withKEYLE SS-GO,
make surethattheignition isswitched
off. Check thatallthe indicator lampsin
the instr ument cluster areoff. Otherwise,
electron iccomponen ts,such asthe alter-
nator, maybedamaged.
R you first remove thenegative terminal
clamp andthen thepositive terminal
clamp. Neverswapthetermin alclamps.
Otherwise, thevehicle's electronicsystem
may bedamaged.
R in vehicles withautomatic transmission,
the transm issionislocked inposition 005D
after thebattery isdisconn ected.The
vehicle issecured againstrollingaway.
You canthen nolonger movethevehicle.
The battery andthecover ofthe positive ter-
minal clamp mustbeinstalled securelydur-
ing operation.
Comply withsafety precautions andtake pro-
tect ivemeasures whenhandling batteries. Risk
ofexplosion. Fire,
open flames andsmokin gare
prohibited whenhandling thebat-
tery. Avoid creatin gsparks. Batt
eryacid iscaustic. Avoidcon-
tact with skin, eyesorclothin g.
Wear suitable protectiveclothin g,
especially gloves,apronandface-
guard.
Rinse anyacid spills immediately
with clear water. Contact aphysi-
cian ifnecessary. 294
Bat
tery (vehicl e)Breakdown assistance