light MERCEDES-BENZ GLA 2020 Manual Online

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

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions If
th ese cond ition sare fulfilled ,th efron tpass enger seat canbe
oc cup iedagain .Whe ther thePA SS EN GER AIR BA GOF For ON indi-
cat orlamp remainslit or goe sout depe ndson how OCS classifies
th eoc cup ant.
If th eco nd ition sare notfulf illed ,th esyst emisno toper ating cor-
rec tly.
X Vis itaqualif iedspecialistwor kshop immediat ely.
Fur ther inform ation about theOc cup ant Class ification Sys tem
(Y page 48). Ligh
ts
i Veh
icles wit hLE Dbulbs intheligh tclus ters:
The displaymes sage fortheco rresp ondin glamp onlyappear swhen alloftheLE Ds inthelamp
hav efail ed. Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 0049
Che ckLeftCor ner‐ Che
ckLeftCor ner‐
ing Light ing
Lightor Check Che
ck
Rig htCornering Rig
htCornering
Lig ht Lig
ht The
leftor right-hand corneri ng ligh tis def ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or X Vis itaqualif iedspecialistwor kshop . 0049
Che ckLeftLow Che
ckLeftLow
Bea m Bea
mor Che ck Che
ck
Rig htLow Beam Rig
htLow Beam The
leftor right-hand low-beam headlamp isdef ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or X Vis itaqualif iedspecialistwor kshop . 0049
Che ckRearLef t Che
ckRearLef t
Tur nSig nal Tur
nSig nal or
Che ckRearRig ht Che
ckRearRig ht
Tur nSig nal Tur
nSig nal The
rear left-han dor rear right-hand turnsign alisdef ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckFrontLef t Che
ckFrontLef t
Tur nSig nal Tur
nSig nal or
Che ckFrontRig ht Che
ckFrontRig ht
Tur nSig nal Tur
nSig nal The
fron tlef t-han dor fron trig ht-hand turnsign alisdef ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckLeftMir ror Che
ckLeftMir ror
Tur nSig nal Tur
nSig nal or
Che ckRightMir ror Che
ckRightMir ror
Tur nSig nal Tur
nSig nal The
turnsign alin thelef t-han dor right-hand exterio rmir ror isdef ec-
ti ve.
X Vis itaqualif iedspecialistwor kshop . Disp
laymes sage s
215On -boar dcomp uter anddi sp lay s Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 0049
Che ckCenter Brake Che
ckCenter Brake
Lam p Lam
p The
high -moun tedbrak elamp isfault y.
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckLeftBra ke Che
ckLeftBra ke
Lam p Lam
por Che ckRight Che
ckRight
Bra keLamp Bra
keLamp The
leftor right-hand brak elamp isdef ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckLeftHig h Che
ckLeftHig h
Bea m Bea
mor Check Che
ck
Rig htHighBea m Rig
htHighBea m The
leftor right-hand high beam isdef ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or
X Vis itaqualif iedspecialistwor kshop . 0049
Lic ensePla teLam p Lic
ensePla teLam p The
leftor right-hand licen se plat elamp isfault y.
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckLeftFog Lamp Che
ckLeftFog Lamp
or Che ckRightFog Che
ckRightFog
Lam p Lam
p The
leftor right-hand foglamp isfault y.
X Vis itaqualif iedspecialistwor kshop . 0049
Rea rFog Lamp Rea
rFog Lamp The
rear foglamp isfault y.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckFrontLeft Che
ckFrontLeft
Par kingLam p Par
kingLam por
Che ckFrontRight Che
ckFrontRight
Par kingLam p Par
kingLam p The
fron tlef tor fron trig ht park ingorstand inglamp isdef ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or
X Vis itaqualif iedspecialistwor kshop . 0049
Bac kup Light Bac
kup Light The
backup lamp isdef ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckLeftTai l Che
ckLeftTai l
Lam p Lam
por Che ck Che
ck
Rig htTailLam p Rig
htTailLam p The
leftor right-hand taillamp isdef ective.
X Vis itaqualif iedspecialistwor kshop . 216
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 0049
Che ckFrontLef t Che
ckFrontLef t
Sid emarkerLam p Sid
emarkerLam por
Che ckFrontRight Che
ckFrontRight
Sid emarkerLam p Sid
emarkerLam p The
fron tlef t-han dor fron trig ht-hand side markerlamp isfault y.
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckRearLef t Che
ckRearLef t
Sid emarkerLam p Sid
emarkerLam por
Che ckRearRig ht Che
ckRearRig ht
Sid emarkerLam p Sid
emarkerLam p The
rear left-han dor rear right-hand side markerlamp isfault y.
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckLeftDay time Che
ckLeftDay time
Run ningLig ht Run
ningLig ht or
Che ckRightDay‐ Che
ckRightDay‐
tim eRun ningLig ht tim
eRun ningLig ht The
leftor right-hand daytimerunninglamp isfault y.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or X Vis itaqualif iedspecialistwor kshop . 0049
Mal functionSee Mal
functionSee
Ope rator'sMan ual Ope
rator'sMan ual The
exterio rligh ting ismalf unction ing .
X Vis itaqualif iedspecialistwor kshop . 0049
Aut oLam pFun cti on Aut
oLam pFun cti on
Ino perative Ino
perative The
lightsen sor isdef ective.
X Vis itaqualif iedspecialistwor kshop . 0049
Swi tch OffLights Swi
tch OffLights The
lightsare still swit ched on when youleaveth eveh icle. Awarn -
ing tone also soun ds.
X Turn theligh tswit chtothe0058 position . 0049
Swi tch OnHeadla mps Swi
tch OnHeadla mps You
aredrivin gwit hlow- beam headlampsswit ched off.
X Turn theligh tswit chtothe0058 or0058 position . Disp
laymes sage s
217On -boar dcomp uter anddi sp lay s Z