2020 MERCEDES-BENZ GLA battery

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

The
system isavailabl eif:
R ithas been activated andisoperational
R the correspon dingmobile phonenetwork is
availabl efor trans mittingdata tothe Cus-
tomer Center
R aservice subscription isavailabl e
R the start erbattery issufficient lycharged
i Deter mining thelocation ofthe vehicle on
a map isonly possible if:
R GPS reception isavailabl e
R the vehicle position canbeforwarded to
the Customer AssistanceCenter
The Mercedes meconnec tsystem To
adjust thevolume duringacall, proceed as
follows:
X Press the0081 or0082 button onthe multi-
funct ionsteerin gwheel.
or X Use themultimedia system'svolumecon-
trol.
The system offersvarious services, e.g.:
R Automat icand manual emergenc ycall
R Roadside Assistancecall
R MB Info call
USA only: youcan find inform ationanda
description ofall availabl efeatures under
"Owners Online"athtt p:// www.mbusa.com.
System self-test Aft
eryou have switched onthe ignition, the
system carriesoutaself-diagnosis.
A malfunct ioninthe system hasbeen detec-
ted ifone ofthe following occurs:
R The indicator lampinthe SOS button does
not come onduring thesystem self-test.
R The indicator lampinthe 0052 Roadside
Assist ancecallbutton doesnotlight updur-
ing self-diagnosis ofthe system.
R The indicator lampinthe 00D9 MBInfo call
button doesnotlight upduring self-diagno-
sis ofthe system. R
The indicator lampinone ormore ofthe fol-
lowing buttonscont inues tolight upred
after thesystem self-diagnosis:
- SOS button
- 0052 Roadside Assistancecallbutton
- 00D9 MBInfo callbutton
R Aft erthe system self-diagnosis, theInoper‐ Inoper‐
ative ative
orService NotActivated Service
NotActivated mes-
sage appears inthe multifunct iondisplay .
If amalfunct ionisindicated asoutlined above,
the system maynotoperate asexpect ed.In
the event ofan emergenc y,help willhave to
be summoned byother means.
Have thesystem checkedatthe nearest
Mercedes- BenzServic eCenter orcont actthe
following servicehotlines:
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
Emergency call Import
antsafety notes G
WARNING
It can bedangerous toremain inthe vehicle,
even ifyou have pressed theSOS button in
an emergenc yif:
R you seesmoke insideoroutside ofthe
vehicle, e.g.ifthere isafire after anacci-
dent
R the vehicle ison adangerous sectionof
road
R the vehicle isnot visible orcann oteasily
be seen byother roadusers, particularly
when darkorinpoor visibility conditions
There isarisk ofan accident andinjury.
Leave thevehicle immediately inthis orsim-
ilar situations assoon asitis safe todo so.
Move toasafe location alongwithother
vehicle occupant s.In such situations, secure
the vehicle inaccordanc ewith national regu-
lations, e.g. with awarning triangle.
A license agreement mustbeinplace inorder
to activate theMercedes meconn ectservice.
Make surethatyour system isactivated and 262
Featur
esStowage andfeatu res

G
WARNING
Opening thehood when theengine isover-
hea ted orwhen thereisafire inthe engine
compartment couldexpose youtohot gase s
or other service products.There isarisk of
injury .
Let anoverhe atedengine cooldownbefore
openi ngthe hood. Ifthere isafire inthe
engine compartment, keepthehood closed
and contact thefire depa rtment. G
WARNING
Windsh ieldwas herconcentrate ishigh ly
flamma ble.If winds hieldwas herconcentrate
gets onto hotcomponents ofthe engine or
the exhau stsystem, itcan ignite. Thereisa
risk offire and injury .
Make surethatwinds hieldwas herconcen-
trate isnot spilled inthe vicinity ofthe filler
neck. X
To open :pul lcap 0043upw ards bythe tab.
X Add thepremi xedwasherfluid.
X To clo se: press cap0043onto thefiller neck
until itengag es.
If the was herfluidleve ldrops below the rec-
ommended minimumof 1liter, amessa ge
app ears inthe multi function displayprompti ng
you toadd washerfluid(Y pag e229) .
Further informati onon winds hieldwas her
flui d/antifree ze(Y pag e339). ASSY
STPLU S Servic
emessag e
The ASSYST PLUSservice interval display
informs youofthe next service duedate.
You canfind informati ononthe type ofservice
and service intervalsin the Maintenance Book-
let.
You canobtai nfurther informati onfrom an
au thorized Mercede s-BenzCenter orat
http://www.mb usa.com (USA only).
i The
ASSYST PLUSservice interval display
does notshow anyinformati ononthe
engine oilleve l.Observe thenotes onthe
engine oilleve l(Y pag e275).
The multi function displayshow sa service
messa gefor severa lseconds, e.g.:
R Service Ain ..days Service
Ain ..days
R Service Adue Service
Adue
R Service Aoverdue by..days Service
Aoverdue by..days
Dependi ngon the opera tingconditions ofthe
vehicl e,the remai ningtime ordista nceuntil
the next service duedate isdisp layed.
The letter A A
or B B,
possi blyinconnection witha
number oranother letter,indicatesthe type of
service .A A
stands foraminor service andB B
for
a major service .
You canobtai nfurther informati onfrom an
au thorized Mercede s-BenzCenter.
The ASSYST PLUSservice interval displaydoes
not take intoaccount anyperiods oftime dur-
ing whichthe battery isdisconnected.
Mai ntaining thetime-dep endentservice sched-
ule :
X Note downthe service duedate displayed in
the multi function displaybefore disconnect-
ing the battery .
or X After reconnecting thebattery ,sub tract the
battery disconnectio nperi ods from theser-
vice date show non the disp lay. Hiding
aservi cemessag e
X Press the0076 or0038 button onthe steer-
ing whee l. 278
ASS
YST PLUSMainten anceandcare

X
To reduc ethe tire pres sure :de pre sspre s-
su re release button 0043next topre ssu re
ga ug e0044.
X Whe nthe tire pressu reiscorr ect, unscrew
the fillerhos efrom thevalve ofthe sealed
tire .
Note thattire sealant ma yesca pewhen you
uns crew thefillerhos e.
X Screw thevalve cap onto thetire valve of
the sealed tire .
X Pu llthe tire sealant bottle outof the tire
infl ation comp ressor .
The fillerhos erem ains atta chedto the tire
sea lant bottle .
X Driv eto the nearestqu alifi ed spe cialist
wo rksh opand have the tire changed there.
X Hav ethe tire sealant bottle replaced as
soo nas possi ble at aqu alifi ed spe cialist
wo rksh op.
X Hav ethe tire sealant bottle replaced every
fou rye ars ataqu alifi ed spe cialist wo rksh op. Battery
(vehi cle) Impo
rtant safetynotes
Spe cialtool sand expertknow ledge are
req uired when working onthe battery ,e.g .
rem ovaland installatio n.Yo usho uld ther efore
ha ve allwo rkinvo lving the battery carriedou t
at aqu alifi ed spe cialist wo rksh op. G
WAR
NING
Wor kcar riedou tinco rrectly onthe battery
can lead ,for exa mpl e,to asho rtcirc uitand
thu sda ma gethe vehicleelectro nics.Thi s
can lead tofunc tionres tricti onsapplying to
sa fety -releva ntsystem s,e.g .the lighti ng sy
stem ,the ABS (anti-l ock braking system )
or the ESP ®
(El ectro nicStab ility Pro gram).
The opera ting safety ofyour veh iclemay be
res tricte d.
Yo ucou ldlose contro lof the vehicle, for
exa mpl e:
R wh en bra king
R in the eventofabrupt stee ring maneu vers
and /or when the vehicle's spe edisnot
ad apted tothe roadcond itions
The reisaris kof an acci dent.
In the eventofasho rtcirc uitor asimil ar
inci dent, conta ctaqu alifi ed spe cialist wo rk-
sho pimm ediatel y.Do not drive any further .
Yo usho uld ha ve allwo rkinvo lving the bat-
tery carriedou tat aqu alifi ed spe cialist
wo rksh op.
For further informa tionab ou tABS andESP®
,
see (Ypage 60)and (Ypage 63). G
WAR
NING
Ele ctros taticbu ild-u pcan lead tothe crea -
tio nof spa rks, which cou ldignite thehighl y
exp losive gases ofaba ttery .The reisaris k
of an exp losion.
Befo rehandl ing the battery ,tou chthe vehi-
cle body torem ove anyexisting electro static
bu ild-u p.
The highl yfla mma ble ga smixtu reform swh en
cha rging the battery aswellas when jump -
sta rting .
Alw aysma kesure tha tnei ther younor thebat-
tery iselectro statica lly cha rged.Abu ild-u pof
el ectro static cha rge can becau sed,for exa m-
pl e:
R by wearing clothing ma de from syntheti c
fib ers
R du eto frictio nbe twe enclothing and seats
R ifyo upu sh orpullthe battery across the
car petor othe rsy ntheti cma teri als
R ifyo uru bthe battery with aclo th G
WAR
NING
Duri ngthe charging pro cess ,a ba ttery pro-
du ces hydro gen gas.Ifasho rtcirc uitoccu rs Battery
(vehi cle)
293Breakdo wnassis tan ce
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

Wear
eyeprotec tion. Keep
children away. Observe
thisOperator' sManual.
For safety reasons, Mercedes- Benzrecom-
mends thatyouonly usebatter ieswhich have
been testedand approved foryour vehicle by
Mercedes- Benz.These batteriesprovide
incr eased impact protectiontoprevent vehicle
occupant sfrom sufferin gacid burns should
the batter ybe damaged inthe event ofan
accident .
In order forthe batter yto achieve themaxi-
mum possible servicelife,itmust alway sbe
sufficien tlycharged.
Like other batter ies,thevehicle batterymay
discharge overtime ifyou donot use thevehi-
cle. Inthis case, havethebatter ydisconn ec-
ted ataqualified specialist workshop. Youcan
also charge thebatter ywith acharger recom-
mended byMercedes- Benz.Contac ta quali-
fied specialist workshop forfurther informa-
tion.
Have thebatter ycondit ionofcharge checked
more frequent lyifyou usethevehicle mainly
for short tripsorifyou leave itstandin gidle
for alength yperiod. Consult aqualified spe-
cialist workshop ifyou wish toleave yourvehi-
cle parked foralong period oftime.
Only replace abatter ywith abatter ythat has
been recomm endedbyMercedes- Benz.
Remove theSmart Keyifyou park thevehicle
and donot require anyelectr icalcons umers.
The vehicle willthen usevery little energy,
thus conserving batterypower.
If the power supply hasbeen interrupted, e.g.
if you recon nectthebatter y,you willhave to:
R set the clock using themultimedia system
(see theDigital Operator' sManual)
R reset thefunct ionforfolding theexterior
mirrors in/outautomatically, byfolding the
mirrors outonce (Ypage 99) Charging
thebatt ery G
WARNIN
G
During charging andjump- starting,explosive
gases canescape fromthebatter y.There is
a risk ofan explosion.
Particularly avoidfire,open flames, creating
sparks andsmokin g.En sure there issuffi-
cient ventilation whilecharging andjump-
start ing.Donot lean over abatter y. G
WARNIN
G
Batt eryacid iscaustic. Thereisarisk of
injury.
Avoid contactwith skin,eyes orclothin g.Do
not inhale anybatter ygases. Donot lean
over thebatter y.Keep children awayfrom
batter ies.Wash awaybatter yacid immedi-
ately withplenty ofclean water andseek
medical attention. G
WARNIN
G
A discharged batterycan freez eat temper a-
tures below freezingpoint. Whenjump-start-
ing the vehicle orcharging thebatter y,
gases canescape fromthebatter y.There is
a risk ofan explosion.
Allow thefrozenbatter yto thaw outbefore
charging itor jump- starting.
! Only
usebatter ychargers withamaximum
charging voltageof14. 8V.
! Only
charge thebatter yusing thejump-
start ingconn ection point.
The jump- startingconn ection pointisin the
engine compart ment(Ypage 296).
X Open thehood.
X Connec tthe batter ycharger tothe positive
term inaland ground pointinthe same order
as when connectin gthe donor batteryin the
jump- startingprocedure (Ypage 296).
If the indicator /warninglamps donot light up
in the instrument clusteratlow temper atures,
it is very likely thatthedischarged batteryhas
froz en.Inthis case youmay neith erjump- start
the vehicle norcharge thebatter y.The service
life ofathawed-out batterymay beshort er.
The start ingcharact eristicscan beimpaired, Bat
tery(vehicle )
295Breakdown assistance Z

partic
ularly atlow temper atures. Havethe
thawed-o utbatte rychec kedataqualified spe-
cialist worksh op.
Only charge theinstalled batterywith abatte ry
charger whichhasbeen testedand approved
by Mercedes -Benz.A batte rycharger unitspe-
cially adapted forMercedes -Benzvehicles and
test edand approved byMercedes -Benzis
available asan access ory.Itpermit sthe charg-
ing ofthe batte ryinits inst alled position .Con-
tact anauthoriz edMercedes -BenzCenter for
furt her infor mation andavailability. Readthe
batte rycharger 'soperatin ginst ruct ions before
chargin gthe batte ry. Repla
cingthe12Vbatt ery
Observe thenoteson the 12Vbatte ry
(Y page 293).
Mercedes -Benzrecom mends thatyouhave
the 12Vbatte ryreplaced ataqualified spe-
cialist worksh op,e.g. anauthoriz edMercedes -
Ben zCenter .
If you want toreplace thebatte ryyourself,
observe thefollowing notes:
R Always replace adefect ivebatte rywith a
batte rywhich meets thespecific require-
ment sof the vehicle. The
vehicle isequipped withabatte ryusing
AGM (absorbent glassmat)technology ora
batte ryusing EFB(enhanc edflooded bat-
tery) technology. Fullvehicle functionality is
guaranteed onlywith anAGM orEFBbat-
tery. Ifreplacemen tis nec essary, always
use thebatte rytec hnology originally instal-
led. Switc hingbetween thebatte rytec hnol-
ogies isnot permit ted.Forsafety reasons ,
Mercedes -Benzrecom mends thatyouonly
use batte rieswhich havebeen testedand
approved foryour vehicle byMercedes -
Ben z.
R Use detach ableparts suchasbreather
hoses, angled connectingpieces orterm inal
cover sfrom thebatte rywhich isto be
replaced.
R Make surethatthevent hose isalways con-
nec ted tothe original openingon the bat-
tery side.
R Inst allexist ingorsupplied cellcaps; other-
wise gases orbatte ryacid could escape.
R Make surethatthedetach ableparts are
con nected again inthe same way. Jum
p-starting
For thejump- startingprocedure, useonly thejump- startingcon nection point ,con sistin gof a
positive terminaland aground point,in the engin ecompart ment. G
WARN
ING
Batt eryacid iscaustic .There isarisk ofinjury.
Avoid contact with skin,eyes orclot hing. Donot inhale anybatte rygases. Donot lean over the
batte ry.Keep children awayfrombatteries.Wash awaybatteryacid immediately withplent yof
clean water andseek medical attention. G
WARN
ING
Durin gchargin gand jump- starting,explosive gasescanescape fromthebatte ry.There isa
risk ofan explosion .
Partic ularly avoidfire,open flames, creatingsparks andsmok ing.Ensure thereis sufficien t
vent ilation whilechargin gand jump- starting.Donot lean over abatte ry. 296
Jum
p-sta rtingBr eakd ownassista nce

G
WARNING
During thechargi ngprocess ,a battery produceshydrogen gas.Ifashort circuitoccurs or
spar ksare created ,the hydrogen gascan ignite. Thereisarisk ofan explo sion.
R Make surethattheposi tive terminal ofaconnected batterydoesnotcome intocontact with
vehicl eparts.
R Never placemetal objects ortools onabattery .
R Itis impor tantthatyouobse rvethe descri bedorder ofthe battery terminal swhen connect-
ing and disconnecting abattery .
R When jump-starting, makesurethatthebattery poleswith identical polarityareconnected.
R Itis particu larlyimpor tanttoobse rvethe descri bedorder whenconnecting anddisconnect-
ing the jumper cables.
R Never connect ordisconnect thebattery terminal swhi lethe engine isrunning. G
WARNING
A discha rgedbattery canfreeze attempera turesbelow freezing point.Whenjump-starting the
vehicl eor chargi ngthe battery ,gase scan escap efrom thebattery .There isarisk ofan explo -
sion.
Allow thefrozen battery tothaw outbefore chargingitor jump-starting.
! Avoid
repeatedand lengthy starting attempts. Otherwise,the catal yticconverter couldbe
dama gedbythe non-combusted fuel.
If the indica tor/warni nglamp sdo not light up inthe instrument clusteratlow tempera tures,itis
very likelythat thedischa rgedbattery hasfrozen. Inthis case youmay neither jump-start the
vehicl enor charge thebattery .Let the battery thawfirst.Theservice lifeofathawe d-outbattery
may beshorter. Thestarting characteristics canbeimpa ired,particu larlyat low tempera tures.
Have thethawe d-outbattery checked ataqua lified speci alist worksho p.
Do not start thevehicl eusi ng arapi dchargi ngdevi ce.Ifyou rvehicl e'sbattery isdischa rged,the
engine canbejump-started fromanother vehicleor from asecond batteryusing jumper cables.
Observe thefollowi ngpoints:
R The battery isnot accessi bleinall vehicl es.Ifthe other vehicle'sbattery isnot accessi ble,
jump-start thevehicl eusi ng asecond batteryorajump-starting device.
R You may onlyjump-start thevehicl ewhen theengine andexhau stsystem arecold.
R Do not start theengine ifthe battery isfrozen. Letthe battery thawfirst.
R Only jump-start frombatterie swith a12 Vvoltag erating.
R Only usejumper cablesthat arenot dama gedand have asuffi cient cross-section andinsul a-
ted terminal clamps.
R Make surethatthetwo vehicl esdo not touch.
Make surethat:
R The jumper cablesare not dama ged.
R Non-insul atedparts ofthe terminal clampsdo not come intocontact withother metal parts
whi lethe jumper cablesare connected tothe battery .
R The jumper cablescannot comeintocontact withparts thatcanmove whentheengine isrun-
ning, suchasthe V-belt pulley orthe fan.
X Secure thevehicl eby app lying the electric parkingbrake.
X Shift thetransmissi ontoposi tion 005D.
X Turn theSmartKey toposi tion 005Ainthe ignitio nlock andremove it. Jump-star
ting
297Breakdown assistance Z