2020 MERCEDES-BENZ GLA SUV ECU

Inhaling
theseexhaustgases ishazardo usto
heal thand canresul tin poiso ning. There isa
risk offatal injury. Therefore, neverleavethe
engine running anenclosed spacewithou t
adeq uate ventilation. G
WARNING
Flamma blemateria lsintroduced through
environmental influenceorby animal scan
ignite ifin contact withtheexhau stsystem
or parts ofthe engine thatheat up.There is
a risk offire.
Carry outregul archecks tomake surethat
there arenoflamma bleforeign materia lsin
the engine compartment orinthe exhau st
system.
Gene ralnotes The
engine runsatahigher speedduringthe
cold start procedu reso that thecataly ticcon-
verter canreach operatingtemperature more
qui ckly. Thesound ofthe engine maychange
duri ngthis time.
Automatic transmission X
Shift thetransmission topositio n005D
(Y page 134).
The transmission positionindicator onthe
multifu nctiondisplayshows 005D
(Y page 134).
i You
canstart theengine intransmission
positio ns005D and 005C.
Start ingprocedure withtheSmart Key To
start theengine usingtheSmartKey instead
of the Start/St opbutton, pullthe Start/St op
button outofthe ignition lock.
X Turn theSmartKey topositio n0049 inthe igni-
tion lock (Ypage 125)andrelea seitas
soon asthe engine isrunning.
Start ingprocedure withtheStart /
Stop button The
Start/St opbutton canbeused tostart the
vehicle manuallywithou tinserting theSmart-
Key into theignition lock.TheStart/St opbut- ton
must beinserted inthe ignition lockand
the SmartKey mustbeinthe vehicle .This
mode forstarting theengine operatesinde-
pendently ofthe ECO start/stop automatic
engine startfunction.
You canstart theengine ifavali dSmartKey is
in the vehicle .Switch offthe engine and
alw ays take theSmartKey withyouwhen leav-
ing the vehicle ,even ifyou only leaveitfor a
short time.Payattention tothe important
safety notes.
X Depress thebrake pedaland keep it
depres sed.
X Press theStart/St opbutton once
(Y page 125).
The engine starts.
Start ingprocedure viasmart phone Observe
theimportant safetynotesonstarting
the engine (Ypage 126).
You canalso start yourengine viayou rsmart-
phone fromoutsid ethe vehicle .In this case,
the previou slyselected climatecontrolsetting
is activated. Inthis way youcan cool orheat
the interior ofthe vehicle beforestarting the
journey.
Only start theengine viayou rsmartphone ifit
is safe tostart andruntheengine whereyour
vehicle isparked.
Observe thelega lstipul ations inthe area
where yourvehicle isparked. Enginestartvia
smartphone maybelimi ted tocertain coun-
tries orregions.
You canexecute amaximum oftwo consecu-
tive starting attempts viayou rsmartphone. If
you insert theSmartKey intotheignition lock,
you can carry outtwo more starting attempts.
Once youhave started theengine, youcan
switch theengine offvia you rsmartphone at
any time.
You canonly start theengine viayou rsmart-
phone if:
R the SmartKey isin the ignition lock
R park positio n005D isselected
R the accelera torpeda lis not depres sed
R the alarm for the anti-theft alarm system is
not set
R the panic alarm isnot activated
R the hazard warning lampsare switched off
R the hood isclosed Drivi
ng
127Drivi ngand parking Z

ECO
star t/s top functi on
Intr odu ction The
ECO start /stopfun ction swit ches the
eng ineoffauto maticall yif th eveh icle isstop-
ped unde rcer tain condition s.
The enginestart sauto maticall ywhen the
driv erwant sto pull away again.The ECO
st art /stopfun ction thereb yhelps youto
reduc eth efuel consump tionand emis sionsof
your vehicle.
Imp ortant safety notes G
WAR
NING
If th eeng ineisswit ched off auto maticall y
and youexitth eveh icle,th eeng ineis
res tartedauto maticall y.The vehicle may
begin moving.Ther eis arisk ofacc iden tand
inj ury.
If you wish toexi tth eveh icle,always turn
off theign ition and secure theveh icle
again stroll ing away.
Gener alnot es 0043
ECO start /stopdispl ay
The ECO start /stopfun ction isact ivat ed
when everyoustart theeng ineusin gth e
Sm artKey ortheSt art /S topbutt on.
If th eeng inehas been switched off auto mati-
cally bytheECO start /stopfun ction ,th e00D6
ECO symb olisshow nin themult ifunction dis-
play.
Mer cedes -AMGvehi cles: theECO start /stop
fun ction isavailabl eon lyin driv epro gram 0065.
Aut oma ticengine switch-off If
th eveh icle isbrak edtoast ands tillwith the
tr ans miss ioninposit ion005Bor005C, theECO
st art /stopfun ction will swit choff theeng ine
auto maticall y. The
ECO start /stopfun ction isoper ational
when :
R theind icat orlamp intheECO buttonis lit
gre en
R theoff -road program isdeac tivate d
R theout side temper atureis with intheran ge
th at issuit able forthesyst em
R theeng ineisat norm aloper atingte mper a-
tur e
R theset temper aturefor theveh icle interio r
has been reached
R thebat tery issuff iciently ch arge d
R thesyst emdetectsth at thewind shieldis
no tfog ged upwhen theair- con dition ing sys-
te m isswit ched on
R thehood isclo sed
R thedriv er'sdoor isclo sed and thedriv er's
seat beltisfast ened
All oftheveh icle'ssyst ems remainactive
when theeng ineisstopped automaticall y.
The HOLD function can also beact ivat edifth e
eng inehas been switched off auto maticall y.It
is then notnec essar yto con tinue applyin gth e
brak esdurin gth eauto maticstop phase .When
you depr esstheacc eler atorpedal, theeng ine
st art sauto maticall yand thebrak ingeffect of
th eHO LD function isdeac tivate d.
Aut omat iceng ineswit ch-off can takeplac ea
max imum offour timesinarow (initial stop,
th en three subse quentst ops) .
Aut oma ticengine star t The
enginestart sauto maticall yif:
R you switchoff theECO start /stopfun ction
by pres singth eECO button
R in trans miss ionposit ion005Bor005C, thebrak e
pedal isrele ased andtheHO LD function is
no tact ive
R you depr esstheacc eler atorpedal
R you engage revers egear 005E
R you mov eth etrans miss ionout ofposit ion
005D
R you activat eth eoff -road program
R you unfasten your seatbeltoropen thedriv -
er' sdoor
R theveh icle start sto roll
R thebrak esyst emrequi resthis
R thete mper aturein theveh icle interio rdevi -
ate sfrom theset range Driv
ing
129Drivingand parking Z

Problem
Possible
causes/co nsequences and0050 0050
Solutions The
engine isnot run-
ning smoothly andis
misfiring. There
isamalfunction inthe engine electron icsorinamechanical
componen tof the engine management system.
X Only depress theaccelerator pedalslightly.
Otherwise, non-combusted fuelmay getinto thecatalytic con-
verter anddamage it.
X Have thecause rectified immediately ataqual ified specialist
workshop. The
coolant tempera-
ture gauge shows a
value above 248‡
(120 †).The warning
lamp mayalsobeon
and awarning tonemay
sound. The
coolant levelistoo low. Thecoolant istoo hotand theengine is
no longer beingcooled sufficiently.
X Stop assoon aspossible andallow theengine andthecoolant to
cool down.
X Check thecoolant level(Ypage 277). Observe thewarning notes
as you dosoand add coolant ifnecessary. Notes
ontowing vehicles
The vehicle isnot suitable forattaching tow
bar systems, suchasthose usedforflat tow-
ing ordinghy towing.
Att aching orusing towbarsystems mayresult
in damage tothe vehicle.
When towing avehicle withtowbarsystems,
safe driving characterist icscannot beguaran-
teed forthe towing vehicle orthe towed vehi-
cle.
The vehicle/trailer combinationmayswerve.
Observe thepermissible towingmethods
(Y page 301)andthenotes ontowing with
both axles onthe ground (Ypage 301). DYNAMIC
SELECTbutt on(all vehi-
cles except Mercedes-AMG vehicles)
Use theDYNAMIC SELECTbutton tochange
the drive program. Depending onthe drive pro-
gram selected thefollowing vehiclecharacter-
istics willchange:
R the drive (engine andtransmission manage-
ment)
R the sound ofthe exhaust system(vehicles
with sports exhaust system)
R the steering
R the availa bilityofthe ECO start/ stopfunc-
tion
R the climate control Each
timeyoustart theengine withtheSmart-
Key orthe Start /Stopbutton, driveprogram C
is activated. Forfurther information about
startin gthe engine, see(Ypage 126). X
Press DYNAMIC SELECTbutton 0043asmany
times asnecessary untilthedesired drive
program isselected.
The selected driveprogram appearsinthe
multifunct iondisplay .Aft erfive seconds, the
display goesoutand thestatus symbol of
the selected driveprogram appears.
In addition, thecurrent driveprogram set-
tings aredisplay edbriefly inthe multimedia
system display.
i In
afew countr ies,theECO start/ stop
funct ionisdeactivated atthe factory dueto
the availa blefuel grade. Inthis case, the
ECO start/ stopfunct ionisnot availa blein
any drive program, regardless ofthe display
in the multimedia systemdisplay. 132
DY
NAMIC SELECTbutt on(all vehicl esexce ptMercedes-AMG vehicles)Driving andparking

Dri
veprogr am S+(Sp ortPlu s)
Dr ive programS+ isch arac teriz ed bythefo l-
lowin g:
R theveh icleex hibi tspart icularl yspo rty dri v-
in g ch arac teris tics .
R theaut oma tic trans mis sionshi fts up later.
R thefue lco nsumpt ionpossiblybein ghig her
as ares ult ofthelat er aut oma tic trans mis -
sio nshi ftpoin ts.
R thesusp ensio nex hibi tspart icularl yst iff
spr ingin gand damp ing set ting s(ve hicles
wit hAM Gadapt ivespo rtsusp ensio nsys-
te m).
R glid ing mod eis no tavail able.
R theECO start /stopfun ction isno tavail able.
Dri veprogr am RACE (vehicles withAMG
ad aptive sportsus pen sion system)
i The
RACE drive pro grammay notbe used
on norm alroa ds. RACE muston lybe act iva-
te dand used ondedi catedrac ecir cui ts,no t
on publi croa ds.
The RACE drive pro gramisch arac teriz ed by
th efo llowi ng:
R theveh icleex hibi tsdri vin gch arac teris tics
suit able forth erac etrac k.
R all veh iclesyst ems aresetformax imum
spo rtin ess .
R theaut oma tic trans mis sionshi fts up later.
R thefue lco nsumpt ionpossiblybein ghig her
as ares ult ofthelat er aut oma tic trans mis -
sio nshi ftpoin ts.
R thesusp ensio nex hibi tspart icularl yst iff
spr ingin gand damp ing set ting s.
R glid ing mod eis no tavail able.
R theECO start /stopfun ction isno tavail able. Ma
nua lgea rshif ting
Gen eral not es You
canchang egear yourselfusingth est eer -
in g whee lpaddl eshi fters .The trans mis sion
mus tbe inpos ition 005Btodo this.
De pen dingon whic hsteer ing whee lpaddl e
shi fter ispulle d,theaut oma tic trans mis sion
imm ediat elyshifts in to thene xt gear down or
up, ifper mitted. Mer
cedes-AMG vehicles :to use man ualshift-
in g, you havetw oopt ions:
R tempo raryset ting
R per man entset ting
If you activat eman ualgear shiftin g, themult i-
fun ction disp laywill showthecur ren tgear
in st ead oftrans mis sionpos ition 005B.
If man ualgear shiftin g is deac tivat ed, thegear s
will besele cted aut oma tical ly.
Te mp oraryset ting X
To act ivate: shifttheDI RECT SELECT lever
to pos ition 005B.
X Pull steer ing whee lpaddl eshi fter 0043 or0044.
Tem porary setting will beact ive fora ce rtain
amo untoftime. Under certain cond ition sth e
min imum amountoftime isex tend ed, e.g. in
th ecas eof latera lacc eler ation,duri ngan
ove rrun phas eor when drivin gon steep ter-
rain .
X To dea ctivate: pull steer ing whee lpaddl e
shi fter 0044 and holdit in plac e.
or
X Use theDI RECT SELECT leverto swit chthe
tr ans mis sionpos ition .
or X Allveh icles (ex cept Mer cedes -AMG vehi-
cle s): use theDY NA MIC SELECT but tonto
ch ang eth edri ve pro gram.
Mer cedes -AMG vehicles: use theDY NA MIC
SE LECT control ler tochang eth edri ve pro -
gra m. 140
Aut
omatic tran sm issionDri ving andpa rki ng

Problems
withfuelandthefuel tank Problem
Possible
causes/co nsequences and0050 0050
Solutions Fuel
isleaking fromthe
vehicle. The
fuel lineorthe fuel tank isfaulty.
G WARNING
Risk ofexplosion orfire.
X Apply theelectric parking brake.
X Switch offthe engine.
X Remove theSmartK eyfrom theignition lock.
or, invehicles withKEYLE SS-GO start- functionorKEYLE SS‑GO
X Open thedriver's door.
The vehicle electron icsare now inposition 005A.This isthe same
as the SmartK eybeing removed fromtheignition.
X Do not restart theengine underanycircumst ances.
X Consult aquali fiedspecialist workshop. The
fuel filler flapcan-
not beopened. The
fuel filler flapisnot unlocked.
X Unlock thevehicle (Ypage 69). The
SmartK eybattery isdischarged ornearly discharged.
X Unlock thevehicle usingthemechanical key(Ypage 76). The
fuel filler flapisunlocked, buttheopening mechanism isjam-
med.
X Consult aquali fiedspecialist workshop. Parking
Import
antsafety notes G
WARNING
Flammable materialsuchasleaves, grassor
twigs mayignite ifthey come intocontact
with hotparts ofthe exhaust systemor
exhaust gasflow. There isarisk offire.
Park thevehicle sothat noflammable mate-
rials come intocontactwith parts ofthe
vehicle whicharehot. Take particular care
not topark ondry grassland orharvested
grain fields. G
WARNING
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment Additionally,
childrencouldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmissionoutof
park position 005D
R start theengine
There isarisk ofan accident andinjury.
Never leavechildren oranimals unattended
in the vehicle.
When leaving thevehicle, alwaystake the
SmartK eywith youand lock thevehicle. This
also applie sfor the Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect.
! Always
securethevehicle correctlyagainst
rolling away.Otherwise, thevehicle orits
drivetrain couldbedamaged. Park
ing
145Driving andparking Z

To
ensure thatthevehicle issecured against
rolling awayunintention ally:
R the electric parking brakemustbeapplied.
R the trans mission mustbeinposition 005Dand
the trans mission position displaymustshow
005D inthe multifunct iondisplay .
R the Smart Keymust beremoved fromthe
ignition lock.
R on uphill ordownhill gradients, thefront
wheels mustbeturned towards thecurb. Switching
offthe engine
Import antsafety notes G
WARNIN
G
The automatic transmission switches toneu-
tral position Nwhen youswitch offthe
engine. Thevehicle mayrollaway .There isa
risk ofan accident .
Aft erswitching offthe engine, alwaysswitch
to parking position P.Prevent theparked
vehicle fromrolling awaybyapplyi ngthe
parking brake.
Automa tictransmission X
Apply theelectric parking brake.
X All
vehicles (exceptMercedes-AMG vehi-
cles): shiftthetrans mission toposition 005D. X
Mercedes-AMG vehicles:pressbutton 0043. X
With theSmar tKey:turn theSmart Keyto
position 005Ainthe ignition lockandremove
it.
The immobilizer isactivated.
X With theStar t/Stop button:press the
Start /Stopbutton (Ypage 125).
The engine stopsandallthe indicator lamps
in the instr ument cluster goout.
If the driver's doorisclosed, thisisthe
same askey position 0047.Ifthe driver's door
is open, thisisthe same askey position 005A,
i.e. the Smart Keyhaving beenremoved.
If you switch theengine offwith thetrans mis-
sion inposition 005Eor005B, theautomatic trans-
mission shiftsto005C automatically.
With theSmar tKey: ifyou then open thedriv-
er's door orthe front -passenger dooror
remove theSmart Keyfrom theignition, the
automatic transmission shiftsto005D automati-
cally.
With theStar t/Stop button:ifyou then open
the driver's doororthe front -passenger door,
the automatic transmission shiftsto005D auto-
matically.
If you want theautomatic transmission to
remain inneutral 005C,e.g. when having the
vehicle cleaned inan automatic carwash with
a towing system:
X Vehicles
withtheStar t-Stopbutt on:
remove theStart -Stop button fromtheigni-
tion lock.
X Insert theSmart Keyinto theignition lock.
X All vehicles: switchtheignition on.
X Depress thebrake pedalandkeep it
depressed.
X Eng age neutral 005C.
X Release thebrake pedal.
X Release theelectric parking brake.
X Switch offthe ignition andleave theSmart -
Key inthe ignition lock. Elec
tric par king brake
General notes G
WARNIN
G
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment 146
Par
kingDriving andparking

Add
itiona lly, chi ldren couldset the vehiclein
moti onif,for exa mpl e,they :
R rel ease the parking brake
R shi ftthe automa tictrans mission outof
pa rk positio n005D
R sta rtthe engine
The reisaris kof an acci dent and injury.
Nev erleav echi ldren orani ma lsuna ttend ed
in the vehicle.
Whe nleav ing the vehicle, alwa ystake the
Sma rtKeywi th youand lock the vehicle. Thi s
al so appliesfor the DigitalVeh icleKey ifthe
"Di gital Veh icleKey "fu nctio nis acti vated via
Mer cedesme conne ct.
The functio nof the electri cpa rking brakeis
de pende nton the on-b oard vol tag e.Ifthe on-
bo ardvol tag eis low or ther eis ama lfunctio n
in the system ,it ma ynot bepossi ble to apply
the released parking brake.
X Ifthi sis the case,onl ypa rk the vehicleon
le vel ground andsecureit to pre vent itrol l-
ing away.
X Shi ftthe automa tictrans mission topositio n
005D.
It ma ynot bepossi ble to release an applied
pa rking brakeifthe on-b oard vol tag eis low or
ther eis ama lfunctio nin the system .Co ntact a
qu alifi ed spe cialist wo rksh op.
The electri cpa rking brakeperfor ms afu nctio n
test atreg ular inte rvalswh ile the engineis
sw itch edoff. The sounds thatcan behea rd
wh ile thi sis occu rring arenorma l.
Appl ying orreleas ingmanua lly X
To apply :pu sh handl e0043.
Whe nthe electri cpa rking brakeisap plied,
the red 0049 (USAonl y)or 0024 (Cana da
onl y)ind icator lamp lights upinthe instru-
ment cluster .
The electri cpa rking brakecan also be
ap plied wh en the Sma rtKeyis rem oved.
X To releas e:pullha ndl e0043.
The red0049 (USAonl y)or 0024 (Cana da
onl y)ind icator lamp inthe instrum entclus-
ter goe sou t.
The electri cpa rking brakecan onlybe
rel eased :
R ifthe Sma rtKeyis in po sitio n0047 or0048 in
the igniti onlock (Ypage 125 )or
R ifthe igniti onwassw itch edon using the
Star t/Stop button
Appl ying auto matic ally The
electri cpa rking brakeisau toma tically
ap plied wh en the trans mission isin po sitio n
005D and :
R the engineissw itch edoff or
R the driver isnot wearing asea tbe ltand the
dri ver 'sdo or isop ene d
To pre vent theelectri cpa rking brakefrom
be ing automa tically ap plied, pu llha ndl e0043.
The electri cpa rking brakeisalso applied au to-
ma tica lly if:
R Active Distance AssistDISTR ONICbri ngs
the vehicleto asta ndsti llor
R The HOLD functio nis kee ping the vehicle
sta tionar y
R Active Parking Assistiskee ping the vehicle
sta tionar y
In additio n,at leas tone ofthe followi ng cond i-
tio ns mu stbe fulfilled :
R The engineissw itch edoff
R The driver isnot wearing asea tbe ltand the
dri ver 'sdo or isop ene d
R The reisasy stem malfunctio n
R The powe rsu pp lyisins uffici ent
R The vehicleis sta tionar yfor along perio dof
time
The red0049 (USAonl y)or 0024 (Cana da
onl y)ind icator lamp inthe instrum entcluster
goe sou t. Parki
ng
147Dr ivi ng andparki ng Z

The
ECO display consistsof three section s,
with aninner andouter area.Thesection scor-
respond tothe following threecategories: 0043
Acce
leration (evaluation ofthe
acceleration processes):
R the outer areafillsupand the
inner arealights upgreen: moder-
ate acceleration ,especially at
higher speeds
R the outer areaempties andthe
inner areaisgray: sporty acceler-
ation 0044
Coasting
(evaluation ofall deceler-
ation processes):
R the outer areafillsupand the
inner arealights upgreen: antici-
patory driving, keeping yourdis-
tanc eand early release ofthe
accelerator. Thevehicle can
coast without useofthe brakes.
R the outer areaempties andthe
inner areaisgray: frequent heavy
braking 0087
Constant
(continuous evaluation
over theentir ejourney):
R the outer areafillsupand the
inner arealights upgreen: con-
stant speed andavoidance of
unnec essary acceleration and
deceleration
R the outer areaempties andthe
inner areaisgray: fluctuations in
speed The
three innerareas display thecurrent driv-
ing style andlight upgreen asaresult ofapar-
ticularly economicaldriving style.Dependin g
on the driving situation, uptotwo areas may
light upsimultaneously.
At the beginning ofthe journey, thethree
outer areas areempty andfillup asaresult of
econom icaldriving. Ahigher levelindicates a
more econom icaldriving style.Ifthe three
outer areas arecompletely filledatthe same
time, thedriver hasadopted themost eco-
nomical drivingstyleforthe selected settings
and prevailing conditions.TheECO display
border lightsup.
The ECO display doesnotindicate theactual
fuel consumpt ion.Theadditionally achieved range
display edunder Bonus fr.Start Bonus
fr.Start does
not indicate afixed consumpt ionreduction .
In addition todriving style,theactual con-
sumption isaffect edbyother factors,such as:
R Load
R Tire pressure
R Cold start
R Choice ofroute
R Act ive electric alconsumer s
These factorsare not included inthe ECO dis-
play.
An econom icaldriving stylespecially requires
driving atmoderate enginespeeds.
Achievin gahigher valueinthe categories
"Accelerat ion"and"Constant ":
R observe thegearshift recommendations .
R drive thevehicle indrive program Cor E
(vehicles withaDYNA MICSELECT button ).
On long journeys ataconst antspeed, e.g.on
the highway, onlytheouter areafor"const ant"
will change.
The ECO display summarizes thedriving style
from thestart ofthe journey toits completion .
Therefore, therearemore marked changes in
the outer areas atthe start ofajourney. On
longer journeys, therearefewer changes. For
more marked changes, performamanual rest
(Y page 193).
For more inform ationonthe ECO display ,see
(Y page 192). Br
aking
Import antsafety notes G
WARNIN
G
If you shift down onaslippery roadsurface
in an attempt toincrease theengine's brak-
ing effect ,the drive wheels couldlosetheir
grip. There isan increased dangerofskid-
ding andaccident s.
Do not shift down foradditional enginebrak-
ing onaslippery roadsurface.
Dow nhill gradients !
On
long andsteep gradients, youmust
reduce theload onthe brakes byshiftin gto
a lower gearingood time. Thisallows youto 150
Driving
tipsDriving andparking