engine MERCEDES-BENZ GLA 2020 Manual PDF

comp
lywith the releva ntnati onal roadtraf-
fic rules. Insome countries ,incl uding Ger-
many ,us eof the acoustic locki ngveri fica-
tion signal ispro hibited byroa dtraffi crul es
(i n Ge rma ny,bysecti ons16[1] and 30[1]
of the StVO regulations ).The driver ofthe
vehi cleisresp onsible for ensu ringcomp li-
ance with these rules. Incou ntries inwhi ch
the useof this functi onispro hibited ,the
functi onwillbe disab led in your vehi cleand
yo uwi llnot beper mitted toena ble it.
Res torin gthe facto rysetting s X
Pre ssthe 0059 or0065 button onthe stee r-
ing whe elto sel ect the Sett . Sett
.menu .
X Pre ssthe 0064 or0063 button tosel ect the
Fact orySetting Fact
orySettingsubme nu.
X Pre ss0076 toconfi rm.
The Rese tAll Settings? Rese
tAll Settings?functi on
ap pea rs.
X Pre ssthe 0064 or0063 button tosel ect No No
or Yes Yes.
X Pre ssthe 0076 button toconfi rmthe selec-
tion.
If yo uha ve selected Yes Yes,
themultifunction
di spl aysho wsaconfi rmation mess age.
For safety reasons, theDayt imeRunning Dayt
imeRunning
Ligh ts Ligh
tsfuncti oninthe Ligh t Ligh
tsu bme nuisonly
rese tif the vehi cleisstati onar y. AMG
menu (Mercedes -AMG vehicle s)
Warm-up 0043
Digi talspe edo meter
0044 Gearindi cator
0087 Ups hiftindi cator
0085 Engine oiltempe rature
0083 Coola nttempe rature
0084 Transmis sionflu idtempe rature X
Pre ssthe 0059 or0065 button onthe stee r-
ing whe elto sel ect the AMG AMG
menu .
Upsh iftindi cato r:up shi ftindi cator UP UP
0087
indi cates thattheengi nehasrea ched the
over revvi ngrang ewhe nin the manu aldri ve
pro gram.
En gine and transmi ssion oiltempe ra-
ture: whenthe engi neand transm ission are
at norma lope ratingtempe rature,oiltem-
per ature0085 and 0084are displ ayed inwhi tein
the multifunction displ ay.
If the multifunction displ aysho wsoiltem-
per ature0085 or0084 inblue ,the engi neorthe
transm ission are not yetat norma lope rating
tempe rature.Avoi ddri ving atfullengi neout-
pu tdu ring thistime .
SE TUP 0043
Drive system Comfort Comf
ort/ Sport Spor
t/Spo rt+ Spor
t+
0044 Chass isCom fort Com
fort/Spo rt Spo
rt/ Sport+ Spo
rt+
0087 Tran smissio nD D/
M M
0085 ESP®
On On/
Off Off
orSPORT handlingmod e
Spo rt Spo
rt
SE TUP displ aysthefoll owin ginf orm ationand
fun ction s:
R thedigit alspee dometer
R thegear indicat or
R thedriv esyst emsetting
R thesuspe nsion mod e
R thetrans mis sion position
R theES P®
(El ect ron icStabilit yPro gram )st a-
tus
X Pre ssthe0059 or0065 buttonon thest eer -
ing wheel tosele cttheAMG AMG
men u.
X Pre ss0063 repeatedly untilSE TUP appear s. Menu
sand submen us
201On-boar dcomp uter and displa ys Z

If
you switch offthe engine, theRACE TIMER is
reset to"0" after 30seconds. Alllapsare
dele ted.
You cannot deleteindivid ualstored laps.Ifyou
have stopped 16laps,the current lapdoes not
have tobe reset.
X Rese tthe current lap.
X Press 0076toconfirm Reset Reset.
Reset Race-Timer? Reset
Race-Timer? appearsinthe multi-
function display.
X Press the0064 button toselect Yes Yes
and
press the0076 button toconfirm.
All lapsare dele ted.
Overall statistics 0043
RACETIMER overallevalu ation
0044 Total timedriven
0087 Average speed
0085 Distance covered
0083 Maximu mspeed
This function isshown ifyou have stored at
lea stone lapand stopped theRACETIMER.
X Press the0059 or0065 button onthe steer-
ing wheel toselect theAMG AMG
menu.
X Press the0063 button repeatedlyuntilthe
overal levalu ation appears. Lap
statistics 0043
Lap
0044 Lap time
0087 Average lapspeed
0085 Lap length
0083 Top speed duringlap
This function isonly availableifyou have
stored atlea sttwo lapsand have stopped the
RACETIMER.
X Press the0059 or0065 button onthe steer-
ing wheel toselect theAMG AMG
menu.
X Press 0063repeatedlyuntilalap evalu ation
appe ars.
Each lapappe arsinasepa ratesubme nu.
The fastest lapisindicated byflashi ngsym-
bol 0043.
X Press the0063 or0064 button toselect a
different lapevalu ation. Dis
play message s Introductio
n
Gene ralnotes Displa
ymessag esappe arinthe multifu nctiondisplay.
Displa ymessag eswith graphi cdispl aysmay beshown insimpl ifiedform inthe Operator's Man-
ual and may therefore differfromthemultifu nctiondisplay.
Plea serespond inaccordance withthedispl aymessag esand follow theaddi tional notes inthis
Operator's Manual.
Certai ndispl aymessage sare accompanie dby an aud ible warning toneoracontinuous tone.
When theignition isswitched off,alldispl aymessag esare dele ted, apartfrom some high-pri ority
displ aymessag es.Once thecause sof the high-pri oritydisplaymessag eshave been rectified, the
corresponding displaymessage sare also deleted. Di
splay message s
203On-bo ardcompu terand displays Z

Engine
Disp
laymes sages Possi
blecauses/cons equences and0050 0050
Solu tions 00BD
Che ckCoolant Che
ckCoolant
Lev elSee Opera‐ Lev
elSee Opera‐
tor 'sManual tor
'sManual The
coolant levelis toolow.
! Av
oid longer journ eys when there isins ufficie ntcoo lant inthe
eng inecoo ling system. You couldot her wise damag eth eeng ine.
X Add coolant ,obse rving thewarn ingnotesbefo redoin gso
(Y page 277).
If you have toaddcoolan tfr equ ently:
X Con tacta qualifi edspec ialist workshopand have theeng inecoo l-
ing syst emcheck ed. 00AC The
fanmot orismalf unctionin g.
X At coo lant temper aturesbelow 248‡ (12 0†) ,dr ive to the near-
est qualifi edspec ialist workshop.
X Av oid heav yloads ontheeng ineasyou doso, e.g.driv ingin
moun tainous terrain and stop- and- gotraff ic. 00AC
Coo lantToo Hot Coo
lantToo Hot
Sto pVeh icleTur n Sto
pVeh icleTur n
Eng ine Off Eng
ine Off The
coolant istoohot .
A warn ingtone also soun ds.
G WAR
NING
Do notdriv ewhen yourengineisove rheated.This cancaus esom e
fluids whichmay have leakedintoth eeng inecom partmen tto cat ch
fir e.
St eam from theove rheatedeng inecan also causeser ious burns
whic hcan occurjus tby open ingthehood .
Ther eis arisk ofinjury.
X Pull overand stop theveh icle safe lyand switchoff theeng ine,
paying attent ion toroad andtraff iccon dition s.
X Sec ure theveh icle again stroll ing away (Ypage 145).
X Wait untilth eeng inehas cooleddown .
X Mak esure that theair supply totheeng ineradiat orisno t
bloc ked, e.g .by snow, slush orice .
X Do notst art theeng ineagain untilth edisplay message goes out
and thecoo lant temper atureis below 248‡ (12 0†). Other wise,
th eeng inecoul dbe damage d.
X Pay attent ion tothecoo lant temper aturedisplay.
If th etem peratur eincr eases again:
X Visit aqualifi edspec ialist workshop immediat ely.
Un der norm aloper atingcon dition sand with thespec ified coolant
leve l,th ecoo lant temper aturemay riseto248‡ (12 0†). 218
Displa
ymes sagesOn-boar dcomp uter and displa ys

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 003D
See Operator'sMan ‐ See
Operator'sMan ‐
ual ual The
battery isno tbein gch arg ed.
A warn ingtone also soun ds.
Pos siblecaus esare:
R adef ective altern ator
R ato rn poly- V-belt
R amalf unction intheelec tron ics
! Do
notdri ve any further. Other wise theen gin emay overheat.
X Pull overand stop theveh iclesaf ely and switchoff theen gin e,
payin gatt ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Con sult aqualif iedspecialistwor kshop . 003D
Sto pVeh icleSee Sto
pVeh icleSee
Ope rator'sMan ual Ope
rator'sMan ual The
battery isno longer bein gch arg edand theco nd ition ofcharg e
is toolow.
A warn ingtone also soun ds.
X Pull overand stop theveh iclesaf ely and switchoff theen gin e,
payin gatt ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Obs erveth eins truct ionsin thedisp laymes sage 003D SeeOper‐ See
Oper‐
ato r's Manual ato
r's Manual.
X Con sult aqualif iedspecialistwor kshop . 00B2
Che ckEngine Oil Che
ckEngine Oil
At NextRef uel ing At
NextRef uel ing The
engin eoil levelhas dropped tothemin imum level.
A warn ingtone also soun ds.
! Av
oid longer journ eys when there isins ufficien ten gin eoil. You
co uld other wise damag eth een gin e.
X Chec kth eoil levelwhen next ref uelin g,at thelat est
(Y page 275).
X Ifne cessar y,add engin eoil (Ypage 276).
If th eengin eoil need stop pingup mor eoft en:
X Con tacta qualif iedspecialistwor kshop andhaveth een gin e
ch ecke d.
In for mat iononappr oveden gin eoils can beobt ained from any quali-
fie dspe cialistwor kshop oron theIn te rn et athttp :/ /
bev o.mer cedes -ben z.co m. 00D4
Fue lLev elLow Fue
lLev elLow The
fuel levelhas dropped intoth eres erveran ge.
X Refue lat thene ares tgas stati on. Disp
laymes sage s
219On -boar dcomp uter anddi sp lay s Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Tir
ePress.Sen ‐ Tir
ePress.Sen ‐
sor (s) Missing sor
(s) Missing US
Aon ly:
The reisno sign alfrom thetire pre ssur esen sor ofoneor sev eral
ti res .The pressur eof theaff ectedtire does notappear inthemult i-
fun ction disp lay.
X Hav eth efault ytire pre ssur esen sor replace dat aqualif iedspe-
cial istwor kshop . Tir
ePre ssureMon i‐ Tir
ePre ssureMon i‐
tor InoperativeNo tor
InoperativeNo
Whe elSensors Whe
elSensors US
Aon ly:
The whee lsmoun teddo nothav easuit able tire pre ssur esen sor.
The tire pre ssur emon itor isdeac tivat ed.
X Moun twhee lswit hsuit able tire pre ssur esen sors.
The tire pre ssur emon itor isact ivat edauto maticallyaft erdrivin g
for afew minutes. Tir
ePre ss. Moni‐ Tir
ePre ss. Moni‐
tor Inoperative tor
Inoperative US
Aon ly:
The tire pre ssur emon itor isfault y.
X Vis itaqualif iedspecialistwor kshop . Veh
icle Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Dep
ressBra keto Dep
ressBra keto
Sta rtEngine Sta
rtEngine You
haveatt emp tedto start theen gin ewit hth etrans mis sion in
pos ition 005Cwithout depressing thebrak epedal .
X De pre ssthebrak epedal . To
DeselectPor To
DeselectPor
N, DepressBra ke N,
DepressBra ke
and StartEngine and
StartEngine You
attemp tedto shi ftthetrans mis sion topos ition 005Eor005B with-
out start ing theen gin e.
X Start theen gin e.
X De pre ssthebrak epedal .
i It
is pos sibleto shi ftthetrans mis sion from position 005Dtothe
des iredpos ition onlyifyou depr essthebrak epedal .On lythen
can thepark inglockbe deac tivat ed. Ifyou donotdepr essthe
brak epedal ,th eDI RECT SELECT levercan still be mov edbut the
park inglockrem ainsen gage d.
i At
trans mis sion fluid tempe ratures below00F84 ‡(00F82 0†), you can
shi ftout ofpos ition 005Dintoano ther trans mis sion position only
when theen gin eis run ning. App
lyBraketo App
lyBraketo
Shi ftfrom'P' Shi
ftfrom'P' You
attemp tedto shi ftthetrans mis sion topos ition 005E, 005Cor005B
wit hout depressing thebrak epedal .
X De pre ssthebrak epedal . 226
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Sto
pVeh icleShi ft Sto
pVeh icleShi ft
to PLea veEngine to
PLea veEngine
Run ning Run
ning The
auto matictrans mis sion hasoverheated.
X Dr ive oncar eful ly.
The auto matictrans mis sion isavail able again whenthedisp lay
mes sage goesout .
If th emult ifunction disp laystill sho wsthedisp laymes sage :
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Wait untilth eauto matictrans mis sion hascooled down andthe
disp laymes sage hasdisap peared. Aux
iliary Battery Aux
iliary Battery
Mal function Mal
function The
auxiliary battery for theauto matictrans mis sion isno longer
bein gch arg ed.
X Vis itaqualif iedspecialistwor kshop .
X Un tilth en ,always shiftthetrans mis sion topos ition 005Dbefore
you switchoff theen gin e.
X Be for eleav ingtheveh icle, apply theelec tric park ingbrak e. Tra
ns. OilOverhe a‐ Tra
ns. OilOverhe a‐
ted Driveonwith ted
Driveonwith
Car e Car
e Mer
cedes -AMG vehicles: thetrans mis sion oilhas overheated.
Man ualdrive pro gram0063 and thete mpo rarily act ive man ualdrive
pro gramare nolonger avail able. Theengin epowe rout put is
red uce d.
X Allow theveh icleto cool down . 4ma
tic Currently 4ma
tic Currently
Una vailable Una
vailable 4M
ATIC has overheated.The vehicleis on lydri ven bythefron t
whee ls.
X Dr ive on.
The airflow cools 4MATIC mor equic kly.
Whe nth edisp laymes sage goesout ,4M ATIC isavail able again
and theveh icleis dri ven byallfou rwhee ls. 4ma
tic Inoperative 4ma
tic Inoperative 4M
ATIC ismalf unction ing .The vehicleis on lydri ven bythefron t
whee ls.
X Vis itaqualif iedspecialistwor kshop . 0065 The
tailgat eis open
G WAR
NING
Whe nth een gin eis run ning,exhaust gasescan enterth eveh icle
int erior ifth etai lgat eis open .
The reisaris kof pois oning .
X Clos eth etai lgat e. 228
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Smar
tKey Display
messages Possible
causes/co nsequences and0050 0050
Solutions 00AF
Key Does Not Key
Does Not
Belong toVehicle Belong
toVehicle You
have putthewrong SmartK eyinthe ignition lock.
X Use thecorrect SmartKey. 00AF
Take YourKeyfrom Take
YourKeyfrom
Ignition Ignition The
SmartK eyisin the ignition lock.
A warning tonesounds
X Remove theSmartK ey. 00AF
Obtain aNew Key Obtain
aNew Key The
SmartK eyneeds tobe replaced.
X Visit aquali fiedspecialist workshop. 00AF
Replace KeyBattery Replace
KeyBattery The
SmartK eybattery isdischarged.
X Change thebattery (Ypage 72). 00AF
Don't Forget Your Don't
Forget Your
Key Key The
display message isshown foramaximum of60 seconds andis
only areminder.
You have opened thedriver's doorwiththeengine switched off.The
SmartK eyisnot inthe ignition lock.Awarning tonesounds.
X Take theSmartK eywith youwhen youleave thevehicle. 00AF
Key NotDetected Key
NotDetected
(red display message) The
SmartK eyisnot inthe vehicle.
A warning tonealsosounds.
If the engine isswitched off,you can nolonger lockthevehicle cen-
trally orstart theengine.
X Pull over andstop thevehicle safelyassoon aspossible, paying
atten tiontoroad andtraffic condition s.
X Secure thevehicle against rollingaway(Ypage 145).
X Locate theSmartK ey. Because
thereisinterf erence fromastron gsource ofradio waves,
the SmartK eyisnot detect edwhilst theengine isrunning.
A warning tonealsosounds.
X Pull over andstop thevehicle safelyassoon aspossible, paying
atten tiontoroad andtraffic condition s.
X Secure thevehicle against rollingaway(Ypage 145).
X Insert theSmartK eyinto theignition lockanddrive inSmartK ey
mode. 230
Display
messagesOn-board computerand displays

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 (Anti-lock BrakingSystem) isdea ctivated duetoamalfu nction. Therefore,
BAS (Brake Assist), ActiveBrakeAssist, ESP®
(Electronic StabilityProgra m),the
HOLD function andhillstart assist,for exampl e,are alsodea ctivated.
ATTENTION ASSISTisdea ctivated.
G WARNING
The brake system continues tofunction normally,but witho utthe functions lis-
ted above.The whee lscoul dtherefore lockifyou brake hard,for exampl 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.
If the ABS control unitisdefective ,there isals oapossi bility that other systems ,
such asthe naviga tionsystem orthe automatic transmissi on,willnot beava ila-
ble . 234
Warning
andindic atorlamps inthe instrum entclusterOn-bo ardcomput erand displays