warning light MERCEDES-BENZ GLA 2020 Owner's Guide

If
the lanes arenarrow, vehiclesdriving inthe
lane beyond thelane next toyou rvehicle may
be indicated ,especia llyifthe vehicle sare not
driving inthe middl eof their lane. Thismay be
the case ifthe vehicle sare driving onthe inner
side oftheir lane.
Due tothe nature ofthe system:
R warnings maybeissu edinerror when driv-
ing close tocrash barriersor simil arsolid
lane borders.
R warnings maybeinterrupted whenyouare
driving alongsideparticul arlylong vehicle s,
such astrucks, foraprolonged time.
Warning display 0043
Warning display
Blind SpotAssist isnot active atspeed sbelow
appro ximately 20mph (30km/h). Vehiclesin
the monitoring rangearethen notindicated .
When BlindSpotAssist isactivated, indicator
lamp 0043inthe exterior mirrorslightsupyellow
at speed sof up to20 mph (30km/h ).At
speed sabove 20mph (30km/h), theindicator
lamp goesoutand Blind SpotAssist isopera -
tional.
If avehicle isdetected withintheblind spot
monitoring rangeatspeed sabove 20mph
(30 km/h), warning lamp0043onthe corre-
sponding sidelights upred. This warning is
alw ays emitted whenavehicle enterstheblind
spot monitoring rangefrombehind orfrom the
side. When youovertake avehicle ,the warning
only occurs ifthe difference inspeed isless
than 7mph (12km/h ).
The yellow indicator lampgoesoutifreverse
gear isengaged .In this event, BlindSpot
Assist isno longer active.
The brightness ofthe indicator/wa rninglamps
is adjusted automaticallyaccording tothe
ambi entlight. Col
lision warning
If avehicle isdetected inthe monitoring range
of Blind SpotAssist andyouswitch onthe cor-
respondi ngturn signal ,a doub lewarning tone
sounds. Redwarning lamp0043flashe s.Ifthe
turn signal remains on,vehicle sdetected are
indicated bythe flashi ngofred warning
lamp 0043.There arenofurther warning tones.
Swi tching onBlind SpotAssist
X Make surethatBlind SpotAssist isactiva-
ted inthe on-board computer (Ypage 198).
X Turn theSmartKey topositio n0048 inthe igni-
tion lock.
Warning lamps0043 inthe exterior mirrors
light upred forappro ximately 1.5seconds
and then turnyellow.
Lane Keeping Assist Gene
ralnotes Lane
Keepi ngAssist monitors thearea infront
of you rvehicle bymeans ofmultifu nctioncam-
era 0043which isattached behindthetop ofthe
windshi eld.Lane Keepi ngAssist detects lane
markings onthe road andcanwarn youbefore
you leaveyou rlane unintentionally .
This function isavai lablein the range betwee n
40 mph and120 mph (60km/h and
200 km/h).
A warning maybegiven ifafront wheel passes
over alane marking. Itwil lwarn youbymeans
of intermittent vibrationin the steering wheel
for upto1.5 seconds .
Important safetynotes G
WARNING
Lane Keepi ngAssist cannot always clearl y
detect lanemarkings. 186
Drivi
ngsystemsDrivi ngand parking

Safety
systems Display
messages Possible
causes/co nsequences and0050 0050
Solutions 002500E5
Currently Unavaila‐ Currently
Unavaila‐
ble SeeOperator's ble
SeeOperator's
Manual Manual ABS
(Anti- lockBraking System), BAS(Brake Assist), ESP®
(Elec-
tronic Stability Program), theHOLD function andhillstart assist are
temporarily unavailable.
Act ive Brake Assist mayhave alsofailed .
In addition, the0025, 00E5and00BB warning lampsmaylight upin
the instrument cluster.
ATTENTION ASSISTisdeactivated.
Possible causesare:
R Self-diagnosis isnot yetcomplete
R The on-board voltagemaybeinsufficient
G WARNING
The brake system continues tofunction normally, butwithout the
functions listedabove. Thewheels couldtherefore lockifyou brake
hard, forexample.
The steerabili tyand braking characteristics maybeseverely affec-
ted. Thebraking distance inan emergency brakingsituation can
increase.
If ESP ®
is not operational, ESP®
is unable tostabilize thevehicle.
There isan increased riskofskidding andanaccident.
X Carefu llydrive onasuitabl estretc hof road, making gentlesteer-
ing movements atspeeds ofabove 12mph (20km/h).
If the displa ymessage disappears,thefunctions mentioned
above areavail able again.
If the multifunction displaystill shows thedispla ymessage:
X Drive oncarefully .
X Visit aqual ified speciali stworkshop immediately . 002500E5
Inoperative See Inoperative
See
Operator's Manual Operator's
Manual ABS,
BAS,ESP®
,the HOLD function andhillstart assist arenot
avail able duetoamalfunction.
Act ive Brake Assist mayhave alsofailed .
The 0025, 00E5,00BBand0027 (USAonly)or004D (Canad aonly)
warning lampsinthe instrument clustermayalsolight up.
ATTENTION ASSISTisdeactivated.
G WARNING
The brake system continues tofunction normally, butwithout the
functions listedabove. Thewheels couldtherefore lockifyou brake
hard, forexample.
The steerabili tyand braking characteristics maybeseverely affec-
ted. Thebraking distance inan emergency brakingsituation can
increase.
If ESP ®
is not operational, ESP®
is unable tostabilize thevehicle.
There isan increased riskofskidding andanaccident. Dis
play messages
205On-boardcomp uter anddisplays Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions X
Dr ive oncar eful ly.
X Vis itaqualif iedspecialistwor kshop immediat ely. 00E5
Cur rently Unavaila‐ Cur
rently Unavaila‐
ble SeeOperator' s ble
SeeOperator' s
Man ual Man
ual ES
P®
,BA S,theHO LD function and hillstart assi stare tempo rarily
unav ailable .
Ac tive Brake Assis tmay havealso failed.
In addit ion,th e00E5 and00BB warninglamp smay lightup inthe
ins trumen tclus ter.
AT TENTI ON ASSIST isdeac tivat ed.
The self-diagn osis function mightnotbe compl ete, for exampl e.
G WAR
NING
The brak esyst emcontinu estofun ction norm ally, butwithout the
fun ction slist ed abov e.
The brak ingdist ancein an eme rgencybrak ingsituati oncan thus
inc reas e.
If ES P®
is no toper ational, ESP®
is unab leto stabiliz eth eveh icle.
The reisan increas edriskof skiddin gand anacc iden t.
X Caref ullydrive asuit able distance,mak ingslightsteer ing mov e-
men tsat aspe edabov e12 mph (20km/ h).
If the displ aymessage disappea rs,the functions mentioned
above areavai lableaga in.
If the multifu nctiondisplaystill shows thedispl aymessag e:
X Drive oncareful ly.
X Visit aqua lifiedspecia listworkshop immediately. 00E5
Inoperative See Inoperative
See
Operator's Manual Operator's
Manual ESP
®
,BAS, theHOLD function andhillstart assistare unava ilable
due toamalfu nction.
Active BrakeAssist mayhave alsofailed.
In addi tion, the00E5 and00BB warning lampsmay lightup inthe
instrument cluster.
ATTENTION ASSISTis deactiva ted.
G WARNING
The brake system continues tofunction normally,but withou tthe
functions listedabove.
The braking distance inan emergency brakingsituationcanthus
increase.
If ESP ®
is not opera tional, ESP®
is unabl eto stabil izethe vehicle .
There isan increased riskofskidding andanaccident.
X Drive oncareful ly.
X Visit aqua lifiedspecia listworkshop immediately. 206
Di
splay message sOn-boardcompu terand displays

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 007A
0025
00E5 Ino perativeSee Ino
perativeSee
Ope rator'sMan ual Ope
rator'sMan ual EB
D(elec tron icbrak efor ce dist ribution),AB S,BA S,ES P®
,th e
HO LD function and hillstart assi stare notavail able duetoamal-
fun ction .
Ac tive Brake Assis tmay havealso failed.
A warn ingtone soun ds.
In addit ion,th e00E5, 00BBand0025 warninglamp smay lightup in
th eins trumen tclus ter.
G WAR
NING
The brak esyst emcontinu estofun ction norm ally, butwithout the
fun ction slist ed abov e.The fron tand rear whee lsco uld there fore
loc kif you performafull brak eapplic ation,for exampl e.
The steer abilit yand brak ingcharac teris tics may besev erelyaff ec-
te d. The brak ingdist ancein an eme rgencybrak ingsituati oncan
inc reas e.
If ES P®
is no toper ational, ESP®
is unab leto stabiliz eth eveh icle.
The reisan increas edriskof skiddin gand anacc iden t.
X Dr ive oncar eful ly.
X Vis itaqualif iedspecialistwor kshop immediat ely. 0049
(USA
on ly) 0024 (Canada
on ly)
Tur nOn the Igni‐ Tur
nOn the Igni‐
tio nto Release tio
nto Release
the ParkingBra ke the
ParkingBra ke The
red0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp lights
up.
You attemp tedto release theelec tric park ingbrak ewhile theign i-
ti on was switched off.
X Sm artKey :tur nth eSm artKey topos ition 0047intheign ition lock.
X KEYLESS -GO: swit chon theign ition . 0049
(USA
on ly) 0024 (Canada
on ly)
Ple ase Release Ple
ase Release
Par kingBra ke Par
kingBra ke The
red0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp
flas hes and awarn ingtone soun ds.Aco nd ition forauto matic
rel ease oftheelec tric park ingbrak eis no tfulf illed (Ypage 148).
You aredrivin gwit hth eelec tric park ingbrak eapplie d.
X Releas eth eelec tric park ingbrak eman ually. The
red0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp
flas hes and awarn ingtone soun ds.
You areusin gth eelec tric park ingbrak efor eme rgencybrak ing
(Y page 148). 0049
(USA
on ly) 0024 (Canada
on ly)
Par kingBra keSee Par
kingBra keSee
Ope rator'sMan ual Ope
rator'sMan ual The
yellow 0024warninglamp lightsup.
The electric park ingbrak eis malf unction ing .
To apply :
X Swi tchth eign ition off.
X Pre sstheelec tric park ingbrak ehan dleforatleast tensec onds.
X Sh ift thetrans mis sion topos ition 005D.
X Con sult aqualif iedspecialistwor kshop . Disp
laymes sage s
207On -boar dcomp uter anddi sp lay s Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions The
yellow 0024warninglamp andthered 0049 (USAon ly) or0024
(Can adaonly) ind icat orlamp lightup.
The electric park ingbrak eis malf unction ing .
To releas e:
X Swi tchoff theign ition and turnit bac kon .
X Releas eth eelec tric park ingbrak eman ually.
or X Releas eth eelec tric park ingbrak eauto matically(Y page 146).
If th eelec tric park ingbrak est ill can notbe release d:
X Do notdri ve on.
X Con sult aqualif iedspecialistwor kshop . The
red0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp
flas hes and theyellow 0024warninglamp lightsup.
The electric park ingbrak eis malf unction ing .
To releas e:
X Swi tchoff theign ition and turnit bac kon .
X Releas eth eelec tric park ingbrak eman ually.
To apply :
X Swi tchoff theign ition and turnit bac kon .
X Ap ply theelec tric park ingbrak eman ually.
If th ered 0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp
co ntinu estoflas h:
X Do notdri ve on.
X Se cur eth eveh icleagain strol lingaway (Ypage 327).
X Sh ift thetrans mis sion topos ition 005D.
X Turn thefron twhee lstoward sth ecur b.
X Con sult aqualif iedspecialistwor kshop . 208
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions The
yellow 0024warninglamp lightsup. The red0049 (USAon ly)
or 0024 (Canadaonly) ind icat orlamp flashes forabout tensec onds
aft ertheelec tric park ingbrak ehas been applie dor release d.Itth en
goe sout orrem ainslit .
The electric park ingbrak eis malf unction ing .
X Swi tchoff theign ition and turnit bac kon .
X Ap ply theelec tric park ingbrak e.
If it is no tpos sibleto apply theelec tric park ingbrak e:
X Sh ift thetrans mis sion topos ition 005D.
X Vis itaqualif iedspecialistwor kshop .
If it is no tpos sibleto release theelec tric park ingbrak eman ually:
X Releas eth eelec tric park ingbrak eauto matically(Y page 146).
If th eelec tric park ingbrak est ill can notbe release d:
X Con sult aqualif iedspecialistwor kshop . The
yellow 0024warninglamp lightsup. Ifyou man ually apply or
rel ease theelec tric park ingbrak e,thered 0049 (USAon ly) or0024
(Can adaonly) ind icat orlamp flashes .
The electric park ingbrak eis malf unction ing .It is no tpos sibleto
apply theelec tric park ingbrak eman ually.
X Sh ift thetrans mis sion topos ition 005Dastheelec tric park ingbrak e
is no tapplie dauto matically.
X Vis itaqualif iedspecialistwor kshop . 0049
(USA
on ly) 0024 (Canada
on ly)
Par kingBra keInop‐ Par
kingBra keInop‐
era tive era
tive The
yellow 0024warninglamp lightsup. The red0049 (USAon ly)
or 0024 (Canadaonly) ind icat orlamp flashes forabout tensec onds
aft ertheelec tric park ingbrak ehas been applie dor release d.Itth en
goe sout orrem ainslit .
The electric park ingbrak eis malf unction ing ,e. g. bec ause ofove r-
vol tag eor und ervoltage.
X Remo vethecaus efor theove rvolt age orund ervoltage, e.g. by
ch arg ing thebat tery or res tarting theen gin e.
X Ap ply orrelease theelec tric park ingbrak e.
If it rem ainsimp ossible toapply orrelease theelec tric park ing
brak e:
X Swi tchoff theign ition and turnit bac kon .
X Ap ply orrelease theelec tric park ingbrak e.
If th eelec tric park ingbrak est ill can notbe release d:
X Con sult aqualif iedspecialistwor kshop .
If th eelec tric park ingbrak est ill can notbe applie d:
X Vis itaqualif iedspecialistwor kshop . Disp
laymes sage s
209On -boar dcomp uter anddi sp lay s Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions The
yellow 0024warninglamp lightsup and thered 0049 (USA
on ly) or0024 (Canadaonly) ind icat orlamp flashes .
It is no tpos sibleto apply theelec tric park ingbrak eman ually.
X Sh ift thetrans mis sion topos ition 005D.
X Vis itaqualif iedspecialistwor kshop . 0027
(USAon ly)
004D (Canadaonly)
Che ckBrakeFluid Che
ckBrakeFluid
Lev el Lev
el The
reisno ten ough brakefluid inthebrak efluid reservoir.
A warn ingtone soun ds.The 0027 (USAon ly) or004D (Canadaonly)
warn inglamp sin theins trumen tclus termay alsolightup.
G WAR
NING
The brak ingeffectmay beimp aire d.
The reisaris kof an acc iden t.
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.Do notco ntinu edri vin g
und erany circum stanc es.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Con sult aqualif iedspecialistwor kshop .
X Do notadd brak efluid .This does notco rrec tth emalf unction . 0026
Che ckBrakePad Che
ckBrakePad
Wea r Wea
r The
brak epads /linin gshav ereac hedtheir wear limit.
X Vis itaqualif iedspecialistwor kshop . 0053
Ino perative Ino
perative Malf
unction ofoneor mor emain function sof theMer cedes mecon-
ne ct syst em.
X Vis itaqualif iedspecialistwor kshop . Mer
cedesmecon‐ Mer
cedesmecon‐
nec tSer vicesLim i‐ nec
tSer vicesLim i‐
ted SeeOperator' s ted
SeeOperator' s
Man ual Man
ual Se
rvice limi ted.
Malf unction ofoneor mor emain function sof theMer cedes mecon-
ne ct syst em.
X Obs erveth eno teson diagn ostics conn ection (Ypage 27).
X Vis itaqualif iedspecialistwor kshop . 210
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 0075
SRS Malfunction SRS
Malfunction
Ser viceReq uired Ser
viceReq uired The
restrain tsyst emismalf unction ing .The 0075 warninglamp also
ligh tsup intheins trumen tclus ter.
G WAR
NING
The airbags orEm erg ency Ten sion ingDevic es may either betrig-
ger eduninten tion ally or,intheeve ntofan acc iden t,may notbe
tr igge red.
The reisan increas edriskof injury.
X Vis itaqualif iedspecialistwor kshop immediat ely.
Fur ther inform ation about theres train tsyst em(Ypage 39). 0075
Fro ntLeftMal fun c‐ Fro
ntLeftMal fun c‐
tio nSer vice tio
nSer vice
Req uired Req
uired orFront Fro
nt
Rig htMalfunction Rig
htMalfunction
Ser viceReq uired Ser
viceReq uired The
restrain tsyst emismalf unction ing atthefron ton thelef tor
rig ht.The 0075 warninglamp alsolightsup intheins trumen tclus -
te r.
G WAR
NING
The airbags orEm erg ency Ten sion ingDevic es may either betrig-
ger eduninten tion ally or,intheeve ntofan acc iden t,may notbe
tr igge red.
The reisan increas edriskof injury.
X Vis itaqualif iedspecialistwor kshop immediat ely. 0075
Rea rLef tMal func‐ Rea
rLef tMal func‐
tio nSer vice tio
nSer vice
Req uired Req
uiredorRea r Rea
r
Rig htMalfunction Rig
htMalfunction
Ser viceReq uired Ser
viceReq uired The
rear left-han dor right-hand restrain tsyst emismalf unction ing .
The 0075 warninglamp alsolightsup intheins trumen tclus ter.
G WAR
NING
The airbags orEm erg ency Ten sion ingDevic es may either betrig-
ger eduninten tion ally or,intheeve ntofan acc iden t,may notbe
tr igge red.
The reisan increas edriskof injury.
X Vis itaqualif iedspecialistwor kshop immediat ely. 0075
Lef tSid eCur tain Lef
tSid eCur tain
Air bag Malfunction Air
bag Malfunction
Ser viceReq uired Ser
viceReq uired
or Rig htSideCur ‐ Rig
htSideCur ‐
tai nAir bag Mal‐ tai
nAir bag Mal‐
fun ctionService fun
ctionService
Req uired Req
uired The
left-han dor right-hand window curtainair bag ismalf unction ing .
The 0075 warninglamp alsolightsup intheins trumen tclus ter.
G WAR
NING
The leftor right win dow curtainair bag may either betrigge redunin-
te nt ion ally or,intheeve ntofan acc iden t,may notbe trigge red.
The reisan increas edriskof injury.
X Vis itaqualif iedspecialistwor kshop immediat ely. 212
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 00E9
0051
The redseat beltwar ning lamp lights upafter theengine starts,assoon as
the drive r'sorthe front-passenge rdoor isclosed .
The drive ror front passenger hasnotfastened theirseatbelt.
X Fasten yourseat belt(Y pag e43).
The warning lamp goesout.
There areobjects onthe front-passenge rseat.
X Remo vethe objects fromthefront-passenge rseat andstow them inasecure
pla ce.
The warning lamp goesout. 00E9
0051
The redseat beltwar ning lamp flashes and anintermittent audib lewarni ng
sound s.
The drive ror front passenger hasnotfastened theirseatbelt.The vehicl eis
bei ng drive nfaster than15mph (25km/h )or has brieflybeen drivenfaster
than 15mph (25km/h) .
X Fasten yourseat belt(Y pag e43).
The warning lamp goesoutand theintermittent warningtone cease s.
There areobjects onthe front-passenge rseat. Thevehicl eis bei ng drive nfaster
than 15mph (25km/h )or has brieflybeen drivenfaster than15mph
(25 km/h) .
X Remo vethe objects fromthefront-passenge rseat andstow them inasecure
pla ce.
The warning lamp goesoutand theintermittent warningtone cease s. 232
Warning
andindic atorlamps inthe instrum entclusterOn-bo ardcomput erand displays

Safety
systems Warning/
indicator
lamp 00510051
Signal type
Possible causes/co nsequences and0050 0050
Solutions 00C6
0051
The yellow brakesystem warning lamplights upwhile theengine isrunning.
The brake system ismalfunction ing.
G WARNING
The braking characterist icsmay beaffected.
There isarisk ofan accident.
X Drive ontaking extracare.
X Visit aquali fiedspecialist workshop immediately. 0027004D
0051
0027 (USAonly), 004D(Canada only):thered brake system warning lampis
lit while theengine isrunning. Awarning tonealsosounds.
G WARNING
The brake boosting effectismalfunction ingand thebraking characterist icsmay
be affected.
There isarisk ofan accident.
X Pull over andstop thevehicle safelyassoon aspossible, payingatten tionto
road andtraffic condition s.Do not cont inue driving underanycircumst ances.
X Secure thevehicle against rollingaway(Ypage 145).
X Consult aquali fiedspecialist workshop.
X Observe theadditional displaymessages inthe multifunct iondisplay . 0027004D
0051
0027 (USAonly), 004D(Canada only):thered brake system warning lampis
lit while theengine isrunning. Awarning tonealsosounds.
There isnot enough brakefluidinthe brake fluidreservoir.
G WARNING
The braking effectmaybeimpaired.
There isarisk ofan accident.
X Pull over andstop thevehicle safelyassoon aspossible, payingatten tionto
road andtraffic condition s.Do not cont inue driving underanycircumst ances.
X Secure thevehicle against rollingaway(Ypage 145).
X Do not add brake fluid.Adding morewillnotcorrect themalfunction .
X Consult aquali fiedspecialist workshop.
X Observe theadditional displaymessages inthe multifunct iondisplay . War
ning andindicator lampsin the instrum entcluster
233On-board computerand displays Z