2020 MERCEDES-BENZ GLA SUV lights

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

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 00AF
Key NotDetect ed Key
NotDetect ed
(whit edisp laymes sage ) The
SmartKey iscur ren tly und etec ted.
X Chan getheloc ation oftheSm artKey intheveh icle.
If th eSm artKey still can notbe det ected:
X Ope rateth eveh iclewit hth eSm artKey intheign ition lock. 00AF
Rem ove 'Start'But ‐ Rem
ove 'Start'But ‐
ton andInsert Key ton
andInsert Key The
SmartKey isco ntinu ally undetec ted.
The SmartKey detection fun ction has ate mpo rarymalf unction oris
fault y.Awarn ingtone also soun ds.
X Inser tth eSm artKey intoth eign ition lockand turnit to the
des iredpos ition .
X Vis itaqualif iedspecialistwor kshop . Wa
rning and indicat orlam psintheinst rume ntclus ter Gene
ralnot es
So me syst ems carryout aself -diagn osis when theign ition isswit ched on.The refore ,som eind i-
cat orand warn inglamp smay lightup orflas hte mpo rarily. This beha vioris no n-cr itical .
The seind icat orand warn inglamp son lyind icat eamalf unction ifth ey ligh tup orflas haft erstart -
ing theen gin eor whils tdri vin g. Sa
fet y
Sea tbelt s Wa
rning/
ind icat or
lam p 00510051
Sign altype
Poss iblecauses/co nsequences and 0050 0050
Solu tions 00E9
0051
Afteren gin est art ,th ered seat beltwarn inglamp lightsup for sixsec onds.
The seat beltwarn inglamp remindsth edri ver and fron tpass enger tofas ten
th eir seat belts.
X Fas tenyour seatbelt(Ypage 43). 00E9
0051
Afterst art ing theen gin e,thered seat beltwarn inglamp lightsup. Inaddit ion,
a warn ingtone soun dsfor uptosix sec onds.
The driver 'sseat beltisno tfas tene d.
X Fas tenyour seatbelt(Ypage 43).
The warn ingtone ceases . Wa
rning andin dicat orlam psinthe instrume ntclus ter
231On -bo ard com puteran ddis pla ys Z

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

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 0025
0051
The yellow ABS warning lamp islit whi lethe engine isrunning.
ABS istempora rilyunava ilable .There fore,BAS, Active BrakeAssist, ESP®
,EBD
(el ectronic brakeforcedistributio n),the HOLD function andhillstart assist,for
exampl e,are alsodea ctivated.
Possi blecaus esare:
R Self-di agnosi sis not yetcomple te
R The on-board voltagemay beinsuffi cient
ATTENTION ASSISTisdea ctivated.
G WARNING
The brake system continues tofunction normally,but witho utthe functions lis-
ted above.The front andrear whee lscoul dtherefore lockifyou perform afull
brake application, forexampl e.
The steerab ility and braki ngchara cteristics maybesevere lyaffected. Thebrak-
ing dista nceinan emerge ncybraki ngsitua tioncanincreas e.
If ESP ®
is not opera tional,ESP ®
is unab leto stabi lizethevehicl e.
There isarisk ofan accide nt.
X Ca reful lydrive asui table distance,making slightsteering movements ata
spee dabo ve12 mph (20km/h) .
The functions mentioned aboveare available againwhen thewarni nglamp
goes out.
If the warning lamp isstill on:
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Drive oncarefu lly.
X Visi ta qua lified speci alist worksho pimmed iately. 0025
0051
The yellow ABS warning lamp islit whi lethe engine isrunning. Awarni ng
tone alsosound s.
EBD ismalfu nctioning. Therefore,ABS, BAS, Active BrakeAssist, ESP®
,the
HOLD function andhillstart assist,for exampl e,are not available either.
ATTENTION ASSISTisdea ctivated.
G WARNING
The brake system continues tofunction normally,but witho utthe functions lis-
ted above.The front andrear whee lscoul dtherefore lockifyou perform afull
brake application, forexampl e.
The steerab ility and braki ngchara cteristics maybesevere lyaffected. Thebrak-
ing dista nceinan emerge ncybraki ngsitua tioncanincreas e.
If ESP ®
is not opera tional,ESP ®
is unab leto stabi lizethevehicl e.
There isan increas edrisk ofskiddi ngand anaccide nt.
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Drive oncarefu lly.
X Visi ta qua lified speci alist worksho pimmed iately. Warning
andindic atorlamps inthe instrum entcluster
235On-boardcomput erand displays Z

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 00E500BB
0051
The yellow ESP®
and ESP®
OFF warning lamp sare litwhi lethe engine isrun-
ning.
ESP ®
,BAS, theHOLD function andhillstart assistare tempora rilyunava ilable .
Active BrakeAssist mayhave alsofail ed.
ATTENTION ASSISTisdea ctivated.
Self-di agnosi sis not yetcomple te
G WARNING
The brake system continues tofunction normally,but witho utthe functions lis-
ted above.
The braki ngdista nceinan emerge ncybraki ngsitua tioncanthus increas e.
If ESP ®
is not opera tional,ESP ®
is unab leto stabi lizethevehicl e.
There isan increas edrisk ofskiddi ngand anaccide nt.
X Ca reful lydrive asui table distance,making slightsteering movements ata
spee dabo ve12 mph (20km/h) .
The functions mentioned aboveare available againwhen thewarni nglamp
goes out.
If the warning lamp isstill on:
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Drive oncarefu lly.
X Visi ta qua lified speci alist worksho pimmed iately. 00240049
0051
0049 (USAonly),0024 (Canada only):the red indica torlamp forthe electric
parki ngbrake flashes orlights upand/or theyellow warni nglamp forthe elec-
tric parki ngbrake lights up.
X Observe theadditiona ldisp laymessa gesinthe multi function display. 0075
0051
The redrestrai ntsystem warning lamp islit whi lethe engine isrunning.
The restrai ntsystem ismalfu nctioning.
G WARNING
The airbag sor Emergency TensioningDevices mayeither betriggere duninten-
tional lyor, inthe event ofan accide nt,may notbetriggere d.
There isan increas edrisk ofinjury .
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Drive oncarefu lly.
X Contact aqua lified speci alist worksho pand have therestrai ntsystem
checked.
For further informati onabo utthe restrai ntsystem, see(Ypag e39). 238
Warning
andindic atorlamps inthe instrum entclusterOn-bo ardcomput erand displays

Engine
Wa
rning/
ind icat or
lam p 00510051
Signa lty pe
Possi blecauses/cons equences and0050 0050
Solu tions 00B9
0051
The yellow CheckEn gin ewarn inglamp lightsup while theeng ineisrun ning.
Ther emay beamalf unction,for exam ple:
R in theeng ineman agem ent
R in thefuel inject ion syst em
R in theexh aust system
R in theign ition syst em
R in thefuel system
The emis sion limit values maybeexc eeded andtheeng inemay beinemer -
gen cymod e.
X Visi ta qualifi edspec ialist workshop immediat ely.
i In
som est ate s,you must immediat elyvisita qualifi edspec ialist workshop
as soon astheyellow CheckEn gin ewarn inglamp lightsup. This isdue tothe
legal requirementsin eff ect inthese state s.Ifin doubt ,ch eck whet hersuch
legal regulati onsapply inthest ate inwhic hyou arecurren tlydriv ing. 00D4
0051
The yellow reservefuel warn inglamp lightsup while theeng ineisrun ning.
The fuel levelhas dropped intoth eres erveran ge.
X Refuel atthenear estgas statio n. 00D4
0051
The yellow reservefuel warn inglamp flashes while theveh icle isin mot ion.
In addit ion,th e00B9 CheckEn gin ewarn inglamp maylight up.
The fuel fillercap isno tclo sed correctlyorthefuel systemisleak ing.
X Chec kth at thefuel fillercap iscor rectlyclosed.
X Ifth efu el filler capisnot corr ectly closed :clo sethefuel fillercap.
X Ifth efu el filler capisclosed :visi ta qualifi edspec ialist workshop. 00AC
0051
The redcoolant warn inglamp lightsup while theeng ineisrun ningand the
coo lant temper aturegage isat thest art ofthesc ale.
The temper aturesen sor forthecoo lant temper aturegauge ismalf unctionin g.
The coolant temper atureis no longer bein gmon itored. Thereis arisk ofeng ine
damag eif th ecoo lant temper atureis toohigh .
X Pull overand stop theveh icle safe lyand switchoff theeng ine,payin gatt en-
tio nto road andtraff iccon dition s.Do notcon tinue driv ingunde rany circum -
st anc es.
X Sec ure theveh icle again stroll ing away (Ypage 145).
X Con sult aqualifi edspec ialist workshop. Wa
rning and indicat orlam psintheinst rumen tclust er
239On-boar dcomp uter and displa ys Z

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions X
Make surethattheairsup plytothe engine radiator isnot blocked ,e.g. by
snow, slush orice.
X At coola nttempera turesbelow 248 ‡(120 †),drive tothe neares tqua lified
speci alist worksho p.
X Avoid heavyloa dson the engine asyou doso, e.g. drivinginmountai nouster-
rain andstop-and-go traffic. Drivi
ngsystems Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 00BA
0051
The reddista ncewarning lamp lights upwhi lethe vehicl eis in motion. A
war ning tone alsosound s.
You areapproachi ngavehicl eor astationa ryobstacl ein you rline oftravel at
too high aspee d.
X Be prepa redtobrake immed iately.
X Pay carefu lattention tothe traffic situation. Youmay have tobrake ortake
evasi veaction.
Further informati onon the dista ncewarni ngfunction ofActive BrakeAssist
(Y pag e61). Warning
andindic atorlamps inthe instrum entcluster
241On-boardcomput erand displays Z