2020 MERCEDES-BENZ GLA warning lights

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

The
engine canbeswitched offwhile thevehi-
cle isin motion bypressing andholding the
Start /Stopbutton forthree seconds. This
funct ionoperates independent lyof the ECO
start /stopautomatic engineswitch-offfunc-
tion.
Key positions withtheStar t/Stop button 0043
Start /Stopbutton
0044 Ignit ionlock
As soon asthe ignition isswitched on,allthe
indicator lampsinthe instr ument cluster light
up.
For further informationonsituations inwhich
an indicator lampeither failstogo out after
the engine isstart edorlights upwhile driving,
please referto"Warning andindicator lampsin
the instr ument cluster" (Ypage 233).
If Start /Stopbutton 0043has notyetbeen
pressed, thisisthe same asthe Smart Key
being removed fromtheignition.
X To switch onthe power supply:press
Start /Stopbutton 0043once.
The power supply isswitched on.You can
now activate thewindshield wipers,for
example.
The power supply isswitched offagain if:
R the driver's doorisopened and
R you press Start/Stopbutton 0043twice when
in this position
X To switch onthe ignition: pressStart/
Stop button 0043twice.
The ignition isswitched on.
If you press Start/Stopbutton 0043once
when inthis position, theignition is
switched offagain. Removing
theStar t/Stop button
You canremove theStart /Stopbutton from
the ignition lockandstart thevehicle asnor-
mal using theSmart Key.
You canonly switch between Start/Stopbut-
ton mode andSmart Keyoperation whenthe
vehicle isstation ary.
You must alsoengage parkposition 005D.
X Remove Start/Stopbutton 0043from ignition
lock 0044.
You donot have toremove theStart /Stopbut-
ton from theignition lockwhen youleave the
vehicle. Youshould, however, alwaystake the
Smart Keywith youwhen leaving thevehicle.
As long asthe Smart Keyisin the vehicle:
R the vehicle canbestart edusing theStart /
Stop button
R the electric allypowered equipment canbe
operated Star
ting theengine
Import antsafety notes G
WARNIN
G
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment
Addition ally,children couldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmission outof
park position 005D
R start theengine
There isarisk ofan accident andinjury.
Never leavechildren oranimals unattended
in the vehicle.
When leaving thevehicle, alwaystake the
Smart Keywith youand lock thevehicle. This
also applies forthe Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect. G
DANGER
Combustion enginesemitpoisonous
exhaust gasessuchascarbon monoxide. 126
DrivingDriving
andparking

when
thetraffic situation permits.If you are
unsur e,pull over toasafe locat ionand stop
befo reoper atingth etele phon e.
Bear inmin dth at ataspeed ofonly 30mph
(appro ximately 50km/h), thevehic lecov ers a
dist anceof 44 ft(appro ximately 14m)per
sec ond .
Drive sensibly –sav efuel Obser
vethefollo wing tipstosave fuel:
R The tires should always beinflated tothe
rec omm endedtirepres sure.
R Remov eunn eces sary loads.
R Remov eroof rackswhen they are not nee-
ded.
R Warm uptheeng ineatlow enginespeeds .
R Av oid frequent accelerat ionorbrak ing.
R Have allmain tenanc ework carried outas
indic ated bytheserv iceinterv als inthe
Maint enanceBoo klet orby theserv iceinter-
val display.
Fuel consumpt ionalso increase swhen driving
in cold weath er,instop- start traffic andinhilly
ter rain .
Drink ingand driving G
WAR
NING
Dr ink ing and drivingand/ ortak ing drugs
and drivingare verydang erous combina-
tio ns.Ev en asmall amoun tof alcoh olor
drugs canaffectyour reflexe s,perc eptions
and judg men t.
The poss ibilityof aserio usoreven fatal
acc iden tis great lyinc rease dwhen youdrink
or tak edrugs anddrive.
Do not drinkor tak edrugs anddriveor allow
anyon eto driv ewho hasbeen drinkingor
tak ing drugs .
Emiss ioncontr ol G
DANGER
Combust ionengines emit poison ous
exh aust gases suchascar bon mon oxide.
In halin gth ese exhaust gases ishazar dous to
healt hand canresult inpoison ing.Ther eis a
risk offat alinj ury. Ther efore,nev erleave the eng
inerunningan enc losed spacewith out
adequat even tilat ion.
Cert aineng inesyst ems aredesign edtokee p
th elevel ofpoison ouscom ponentsin exh aust
fume swith inlegal limits.
These systems onlywork atpeak efficien cyif
th ey are serv iced exactlyinacc ordan cewith
th eman ufact urer'sspec ification s.Always have
work ontheeng inecarried outataqualified
spec ialist workshop. Mercedes- Benzrec om-
men dsthat you useanautho rized Merc edes-
Ben zCent erfor this purpos e.In part icular ,
work relevanttosafet yor on safet y-relate d
syst ems must becar ried outataqualified spe-
cialis twork shop.
The enginesettings must notbechan ged
under anycircums tances .Furt herm ore,all
spec ificserv icework must becar ried outat
regular interv als and inacc ordan cewith the
Merc edes- Benzserv icerequir ements.Det ails
can befoun din theMaint enanceBoo klet. ECO
display
The ECO display showsyouhow econom ical
your drivingstyle is.The ECO display assists
you inachie vingth emost econom icaldriving
st yle fortheselec tedsettings and prev ailing
con ditions .Your drivingstyle can significant ly
inf luenc eth evehic le'sconsumpt ion. 0043
Accele ration
0044 Coast ing
0087 Cons tant
0085 Add itional rangeachie ved
Range 0085isshown underBonusfr. Start Bonu
sfr. Start
and represen tstheaddit ional rangeachie ved
sin ce thebegin ningof thejour ney asaresult
of an adapte ddriv ingstyle.
If th efuel level hasdropp edintoth erese rve
ran ge, theFuel Low Fuel
Lowmess ageisshown inthe
mult ifunction display instead ofran ge0085. The
00B6 warninglamp intheins trumen tclust er
also lightsup (Ypage 239). Drivin
gtip s
149Driving andparking Z

take
advantag eof eng inebraking .For this
yo umu stfirst acti vate ma nua lge arshi ftin g.
Thi she lpsyo uto avoid ove rheating the
bra kes and wearing themoutexce ssivel y.
Wh enyoutake advantag eof eng inebraking ,
it is po ssi ble tha ta dri ve wheelwi llnot
rota tefor som etim e,e.g .on aslip pe ry roa d
su rfa ce. Thiscou ldcau sedama getothe
dri ve train. Thistyp eof dama geisnot cov-
ere dby the Merced es-Benz warranty.
Bri eflyde pre ssing the accelera tor pedalon
do wnh ill gra dients while the manua ldri ve pro -
gra mM istemp orarilyacti vated :the automa tic
tra nsmi ssion maysw itch tothe last acti ve
au toma ticdrive pro gramEor S.The automa tic
tra nsmi ssion mayshi ftto ahighe rge ar.Thi s
can reduce theengine'sbra king effect.
He avy and light loads G
WA
RNING
If yo ures tyo ur foo ton the brakepedal
wh ile dri vin g,the braking syste mcan over-
he at. Thisincr easesthe stop ping dista nce
and canevencau sethe braking syste mto
fa il. The reisaris kof an acc ident.
Nev erusethe brakepedalas afoo tres t.
Nev erdepre ssthe brakepedaland the
acc elera tor pedalat the same time.
! Dep
ressing the brakepedalcons tantly
res ults inexce ssive and prematurewe arto
the brakepads.
If the brakes have been subje cted toahe avy
lo ad ,do not stop thevehicleim med iatel y.
Dri veon for asho rtwh ile. Thi sal lo ws the air-
flo wto coo lthe brakes morequ ickl y.
We troad s If
yo uha ve driven foralong tim ein he avyra in
wi thou tbra king ,the rema ybe ade laye drea c-
tio nfro mthe brakes when bra king forthe first
tim e.Thi sma yal so occu raf ter the vehicleha s
be en washe dor driven throughde ep water.
Yo uha ve todepre ssthe brakepedalmor e
fir ml y.Ma inta inagre aterdi sta nce fromthe
veh iclein fro nt.
After drivin gon awe troa dor havin gthe vehi-
cle washe d,bra kefirml ywh ile pa ying atte ntion
to the trafficcond itions .Thi swi llwa rm upthe bra
kediscs ,the reb ydry ing themmor equ ickl y
and protecti ngthe magainst corr osion.
Li mite dbrak ingperf orman ceon salt-
treate droad s If
yo udri ve on salte droa ds,a laye rof saltres i-
du ema yfor mon the brakediscs and brake
pa ds.Th iscan resultin asigni ficantl ylo nge r
bra king dista nce.
R In ord erto pre vent anysaltbu ild-u p,apply
the brakes occa siona lly wh ile pa ying atte n-
tio nto the trafficcond itions .
R Ca ref ully de pre ssthe brakepedaland the
be ginning andend ofajou rney .
R Ma inta inagre aterdi sta nce tothe vehicle
ah ead.
Se rvi cing the brak es !
Th
ebra kefluidlevel maybe too low, if:
R ifthe red brakewarning lamp lights upin
the instrument cluste rand
R youhe ar awa rning tone while the engine
is running
Ob serve additio nal warning mes sage sin the
mu ltifu nctio ndisp lay.
Th ebra kefluidlevel maybe too low du eto
bra kepadwe aror leaki ng bra kelines .
Hav ethe brakesyste mche cked immed i-
ate ly.Co nsu ltaqu alifi ed speci alistwo rk-
sho pto arrange this.
! A
functio nor perfo rma nce testsho uld onl y
be car riedou ton a2-a xle dynam ome ter.If
yo uwi sh toopera tethe vehicleon such a
dy nam ome ter,plea se cons ulta qu alifi ed
sp eci alistwo rksh opinad vance. Youcou ld
othe rwise da ma gethe drive trainor the
bra kesyste m.
! As
the ESP ®
sy ste mopera tes automa ti-
cal ly,the engineand theigniti onmu stbe
sw itch edoff (theSma rtKeymu stbe inpo si-
tio n0092 or0047 inthe igniti onlock), ifthe
el ectr icpa rki ng bra keistes ted onabra king
dy nam ome ter(ma ximum 10second s).
Bra king triggered automa tically by ESP ®
ma ycau sesever eda ma getothe brakesys-
tem.
All che cks and mainte nanc ewo rkon the brake
sy ste mmu stbe car riedou tat aqu alifi ed spe-
cia list wo rksh op. Dr
ivi ng tips
151Dr ivi ng andparki ng Z

Problems
withParking AssistPARKTRONIC Problem
Possible
causes/co nsequences and0050 0050
Solutions Only
thered segments
in the Parking Assist
PARKTRONIC warning
display sare lit.You also
hear awarning tonefor
approximately twosec-
onds.
Parking Assist
PARKTRONIC isthen
deactivated andthe
indicator lamponthe
PARKTRONIC button
lights up. Parking
AssistPARKTRONIC hasmalfunction edand hasbeen deac-
tivated.
X Ifproblems persist,haveParking AssistPARKTRONIC checkedat
a quali fiedspecialist workshop. Only
thered segments
in the Parking Assist
PARKTRONIC warning
display sare lit.Parking
Assist PARKTRONIC is
then deactivated. The
Parking AssistPARKTRONIC sensorsaredirty orthere isinter-
ferenc e.
X Clean theParking AssistPARKTRONIC sensors(Ypage 283).
X Switch theignition backon. The
problem maybecaused byan extern alsource ofradio orultra-
sound waves.
X Check tosee ifParking AssistPARKTRONIC worksatadifferent
location. Active
Parking Assist
General notes Act
ive Parking Assistisan electron icparking
aid with ultrasound. Itmeasures theroad on
both sides ofthe vehicle. Aparking symbol
indicates asuitable parkingspace.Active
steering intervention andbrake application
can assist youduring parking andwhen exiting
a parking space.Youcanalso stilluse Parking
Assist PARKTRONIC (Ypage 171).
Import antsafety notes Act
ive Parking Assistismerely anaid. Itis not
a replacement foryour atten tiontoyour imme-
diate surroundings. Youarealwa ysresponsi-
ble forsafe maneuvering, parkingandexiting a
parking space.Makesurethatthere areno
persons, animalsorobject sin the maneuver-
ing area when youaremaneuvering orparking.
When Parking AssistPARKTRONIC isdeactiva-
ted, Active Parking Assistisalso unavaila ble. G
WARNING
While parking orpulli ngout ofaparking
space, thevehicle swingsoutand candrive
onto areas ofthe oncomin glane. Thiscould
cause youtocollide withother roadusers or
object s.There isarisk ofan accident.
Pay atten tiontoother roadusers orobject s.
Stop thevehicle ifnecessary orcancel the
Act ive Parking Assistparking procedure.
! If
they cannot beavoided, driveover
obstacles suchascurbs slowly andatan
obtuse angle.Otherwise, youmay damage
the wheels ortires.
Act ive Parking Assistmaypossibly indicate
parking spaceswhicharenot suitable forpark-
ing, forexample:
R where parking orstopping isprohibited
R in front ofdriveways orentr ances andexits
R on unsuitable surfaces 174
Driving
systemsDriving andparking

Once
youhave exited theparking spacecom-
pletely, thesteering wheelismoved tothe
straight-ahead position.Youhear atone and
the Active Parking AssistFinished Active
Parking AssistFinished mes-
sage appea rson the multifunction display.You
will then have tosteer andmerge intotraffic
on your own. Active Parking Assistisstill avail -
able. Youcantake overthesteering beforethe
vehicle hasexited theparking spacecom-
pletely. Thisisuseful ,for example whenyou
recognize thatitis alrea dypossible topull out
of the parking space.
Cance lingActive Parking Assist X
Stop themovement ofthe multifunction
steering wheelorsteer yoursel f.
Act ive Parking Assistwillbecanceled at
once. TheActive Parking AssistCan‐ Active
Parking AssistCan‐
celed celed
message appearsinthe multifunction
displa y.
or X Press thePARKTRONIC button
(Y page 173).
Act ive Parking Assistisswitched offand
Act ive Parking Assistisimmediately can-
celed. TheActive Parking AssistCan‐ Active
Parking AssistCan‐
celed celed
message appearsinthe multifunction
displa y.
Act ive Parking Assistiscanceled automaticall y
if:
R the electric parking brakeisengaged
R transmission position005Disselected
R parking usingActive Parking Assistisno
longer possible
R you aredriving fasterthan6mph (10km/h )
R awheel spins,ESP®
intervenes orfails. In
such cases the00E5 warning lamplights up
in the instrument cluster
A warning tonesounds. Theparking symbol
disapp earsandthemultifunction display
shows theActive Parking AssistCan‐ Active
Parking AssistCan‐
celed celed
message.
When Active Parking Assistiscanceled, you
must steer andbrake againyoursel f.
If asystem malfunction occurs,thevehicle is
braked toastandstill. Todrive on,depress the
accelerator again. Rear
view camera
General notes Rear
viewcamera 0043isan optical parking and
maneuvering aid.Itshows thearea behind
your vehicle withguide linesinthe multimedia
system display.
The area behind thevehicle isdispla yedasa
mirror image, asinthe rear view mirror.
Observe thenotes oncleaning (Ypage 284).
i The
text shown inthe multimedia system
displa ydepends onthe langua gesetting.
The followi ngare examples ofrear view
camera messages inthe multimedia system
displa y.
Importa ntsafety notes The
rear view camera isonly anaid. Itis not a
replacement foryour attent iontoyour immedi-
ate surroundings. Youarealwa ysresponsible
for safe maneuvering andparking. Makesure
that there arenopersons, animalsorobjects
in the maneuvering areawhen youaremaneu-
vering orparking.
Under thefollowi ngcircumstances, therear
view camera willnotfunction, orwill function
in alimited manner:
R ifthe tailgate isopen
R in heavy rain,snow orfog
R at night orinvery dark places
R ifthe camera isexposed tovery bright light
R ifthe area islit by fluorescent bulbsorLED
lighting (thedispla ymay flicker)
R ifthere isasudden changeintemperature,
e.g. when driving intoaheated garagein
winter 178
Driving
systemsDriving andparking

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

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