fuel MERCEDES-BENZ GLA 2020 User Guide

R
the doors areclo sedand locked
R the windo wsand slid ing sunroo far eclo sed
Als oma kesure tha t:
R the fuel tank issu fficie ntly filled
R the starter battery hasbe en sufficie ntly
cha rged G
WA
RNING
Li mbs couldbe cru she dor tra pped ifthe
eng ineissta rted unintenti onally du rin gse r-
vic eor ma inte nanc ewo rk. The reisaris kof
inju ry.
Alw aysse cur ethe engineagainst uninten-
tio nal startin gbe for ecar rying outma inte -
nanc eor rep airwo rk.
Ma kesure tha tthe enginecann otbe started
via your sma rtphone befor ecar rying outma in-
tena nceorrep airs. Youcan prevent aneng ine
sta rtvia your sma rtphone,for exa mpl e,ifyo u:
R sw itch onthe hazar dwa rning lamps
R do not lock the doors
R op en the hood Pul
ling away
Ge neral notes G
WA
RNING
If the enginespee dis ab ove theidling spee d
and youeng agetra nsmi ssion positio n003A
or 0046 ,the vehiclecou ldpu llaw ay sud-
de nly .The reisaris kof an acc ident.
Wh eneng aging transmi ssion positio n003A
or 0046, alwa ysfirml yde pre ssthe brake
pe daland donot simu ltaneo uslyacc elera te.
Dep ressthe accelera tor carefully wh en pulling
aw ay.
The vehiclelocks centr ally once youha ve
pu lled away.The locking knobsin the doors
dro pdo wn.
Yo ucan open the doors fromthe inside at any
tim e.
Yo ucan also deacti vate the automa ticlocking
fea ture(Y page 199 ).
Veh icle swi th auto matic transmission :it is
po ssi ble to shi ftthe transmi ssion fromposi- tio
n005D tothe desired positio nonl yif yo u
de pre ssthe brakepedal.Onl ythe ncan the
pa rki ng lock be deacti vated .
Al lve hic les(e xc ept Merce des -AMG vehi-
cl es ):ifyo udo not depre ssthe brakepedal,
the DIRECT SELEC Tlever can stillbe mov ed
bu tthe parki ng lock rem ains eng aged .
Me rce des -AMG vehic les: ifyo udo not
de pre ssthe brakepedal,the selector lever can
sti llbe mov edbutthe parki ng lock rem ains
eng aged .
At transmi ssion fluidtemp eratures below 00F84 ‡
(00F8 20 †),yo ucan onlyshi ftou tof positio n005D
into anothertra nsmi ssion positio nwh en the
eng ineisrunning .
i Up
shi fts take place athighe reng ine
sp ee ds after acol dsta rt.Thishe lpsthe cat-
al yti cconve rtertorea chits opera ting tem-
pe ratur emor equ ickl y.
Info rma tionon the automa ticrelease ofthe
el ectr icpa rki ng bra ke(Ypage 148 ).
Hil lstart assist Hil
lsta rtas sist helpsyo uwh en pulling away
for wa rdorinrev ers eon anuphillgra dient. It
hol dsthe vehiclefor asho rttim eaf ter you
ha ve rem ovedyo ur foo tfro mthe brakepedal.
Thi sgi ves youeno ughtim eto mov eyo ur foo t
fro mthe brakepedalto the accelera tor pedal
and todepre ssitbe for ethe vehiclebe gins to
rol l. G
WA
RNING
After asho rttim e,hillsta rtas sist willno lon-
ge rbra keyour veh icleand itcou ldrol law ay.
Th ere isaris kof an acc ident and injury.
Th ere fore,qu ickl ymov eyo ur foo tfro mthe
bra kepedalto the accelera tor pedal.Nev er
le av ethe vehiclewh en itis he ldby hillsta rt
as sist.
Hil lsta rtas sist isnot activeif:
R youar epu lling away on alevel roador on a
do wnh ill gra dient.
R the transmi ssion isin po sitio n005C.
R the electr icpa rki ng bra keisap plied.
R ESP ®
is ma lfunctio ning.
Fur therinf orm ation onholding the vehiclesta -
tio nar yon uphillgra dients (Ypage 138) . 12
8 Dr
ivi ngDr ivi ng andparki ng

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

Problems
withtheengine Problem
Possible
causes/co nsequences and0050 0050
Solutions The
engine doesnot
start. The
HOLD functionorAct ive Distanc eAssist DISTRONIC isactiva-
ted.
X Deactivat ethe HOLD function(Ypage 166)orAct ive Distanc e
Assist DISTRONIC (Ypage 163).
X Try tostart theengine again. The
engine doesnot
start. Thestarter motor
can beheard. R
There isamalfunction inthe engine electron ics.
R There isamalfunction inthe fuel supply .
Before attempt ingtostart theengine again:
X Turn theSmartK eyback toposition 005Ainthe ignition lock.
or X Press theStart /Stopbutton repeatedly untilallindicator lampsin
the instrumen tcluster goout.
X Try tostart theengine again.Avoidexcessively longandfrequent
attempt sto start theengine asthese willdrain thebattery.
If the engine doesnotstart after several attempt s:
X Consult aquali fiedspecialist workshop. The
engine doesnot
start. Youcannot hear
the starter motor. The
on-board voltageistoo low because thebattery istoo weak or
discharged.
X Jump-start thevehicle (Ypage 296).
If the engine doesnotstart despite attemptsto jump-st artit:
X Consult aquali fiedspecialist workshop. The
starter motorwasexposed toathermal loadthatwastoohigh.
X Allow thestarter motortocool down forapproximately two
minutes.
X Try tostart theengine again.
If the engine stilldoes notstart:
X Consult aquali fiedspecialist workshop. Driving
131Drivingandparking 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

Holdi
ngthe vehi clestationary on
uphill gradien ts G
WARNING
If the clutch overhe ats,theelectronic man-
age ment system isau tomatica llydea ctiva-
ted. This interrup tsthe pow ertransmissi on.
The vehicl emay ,for exampl e,roll back-
war dson grad ients. There isarisk ofan
accide nt.
Never holdthevehicl estationa ryon uph ill
grad ients bydepre ssing theaccele rator.
The clutch mayoverhe atifyou hold thevehi-
cle stationa ryon uph illgrad ients bydepre ss-
ing the accele ratorpedal.If the clutch over-
hea ts,awar ning tone sound s.
All vehi cles(ex cept Merce des-AMGvehi -
cle s): the Stop Vehicle Shiftto'P' Stop
Vehicle Shiftto'P'
Leave Engine Running Leave
Engine Running displaymessa ge
app ears inthe multi function display.You will
only beableto continue yourjourney oncethe
clutch hascoole ddow nand thedisp laymes-
sage inthe multi function displayhas disap-
pea red.
Merce des-AMGvehi cles:the Trans. Oil Trans.
Oil
Overhea tedDrive onwith Care Overhea
tedDrive onwith Caredisplay
messa geapp ears inthe multi function display.
Do not hold thevehicl estationa ryon uph ill
grad ients bydepre ssing theaccele ratorpedal.
Instead, onlyever hold thevehicl estationa ry
on uph illgrad ients by:
R depre ssing thebrake pedal
R activa tingtheHOLD function
R engag ingthe electric parkingbrake
Ki ckdow n Use
kickdown formaximu maccele ration.
X Depress theaccele ratorpedalbey ond the
pressu repoint.
The automatic transmissi onshifts toalow er
gea rdepe nding onthe engine speed.
X Ease offthe accele ratorpedalonce the
desi redspee dis reache d.
The automatic transmissi onshifts backup.
Merce des-AMGvehi cles:itis only possi ble
to use kickdown inthe automatic drivepro-
gram andthetempora rymanua ldrive progra m
M. When manua ldrive progra mM isperma -
nently activated,kickdown isnot possi ble. For
further informa tiononkickdown inmanua l
drive progra mM (Y pag e142) .
Rocki ngthe vehi clefree Shifting
backandforth betwe entransmissi on
posi tions 005Band 005Ecan help tofree upthe
vehicl eif it gets stuck inmud orsnow. The
vehicl e'sengine management system limits
the spee dto amaximu mof 5mph (9km/h)
when shifting backandforth. Toshift repea t-
edl ybetwe entransmissi onposi tions 005Band
005E, move theDIRECT SELECT leverup and
dow npas tthe point ofresis tance. Drive
programs
Al lvehi cles(ex cept Merce des-AMG
vehi cles) Drive
program C(Co mfort)
Drive progra mCis chara cterized bythe follow-
ing:
R the vehicl edel ivers comfortabl e,economica l
handl ingchara cteristics.
R the vehicl epul lsawa ymore gently in
forwa rdand reverse gears,unle ssthe accel-
erator pedalis depre ssedfully.
R the vehicl ehas impro veddrivi ngstabi lity,
for exampl eon slippery roadsurfaces.
R optima lfuel consumpti onresu lting from the
au tomatic transmissi onshifting upsooner.
The vehicl eis drive nin the low engine speed
range andthewhee lsare less likelyto spin.
Drive program S(Spo rt)
Drive progra mSis chara cterized bythe follow-
ing:
R sporty engine settings.
R the automatic transmissi onshifts uplater.
The fuel consumpti onpossi blybeing high er
as aresu ltof the later automatic transmis-
sion shift points.
Drive program I(I ndivi dual)
In drive progra mIthe followi ngprope rtiesof
the drive progra mcan besele cted:
R the drive (engineand transmissi onmanag e-
ment)
R the steering 138
Automatic
transmissio nDrivingand parking

R
the availabi lity of the ECO start/sto pfu nc-
tio n
R the clima tecontro l
Info rma tionab ou tconfi gurin gdri ve pro gramI
wi th the multimed iasyste mcan befou ndin
the DigitalOp era tor' sMa nua l.
i To
perma nentl yse lect the gearsin dri ve
pro gramIus ing the steering wheelpa dd le
shi fter s,select the M(ma nual)se tting for
the drive.
Off road driveprog ram
The Off-roa ddri ve pro gramischa racteri zed
by the followi ng:
R the vehicleexh ibits optim aldri vin gcha rac-
teri stics on easily neg otiableoff -roa dter-
ra in.
Dri veprog ramE(E co no my)
Dri vepro gramEis cha racteri zedbythe follow-
ing :
R comf ort-oriented enginesetting s.
R op tim alfuel cons umption resulting fromthe
au toma tictransmi ssion shiftin gup soo ner.
R the vehiclepu lls aw ay mor ege ntly in
for wa rdand revers ege ars, unl essthe accel-
era tor pedalis de pre sse dfu lly.
R the vehicleha sim pro ved drivin gsta bility,
for exa mpl eon slip pe ry roa dsu rfa ces .
R the automa tictransmi ssion shiftin gup
soo ner. Thisres ults inthe vehiclebe ing
dri ven atlowe reng inespee ds and the
wh eelsbe ing less likel yto spin.
R glid ing mod eis acti vated automa tically
wh en eng ine-inte rnalcond itions arefu lfilled
and theaccelera tor isnot depre sse d.At the
sa me timethe transmi ssion’ sclu tch opens
and thevehiclerol lsfre elyus ing itskine tic
ene rgy.As ares ultgre atdista nces canbe
comp leted withou tthe enginebrakeand
fu el cons umption red uce d.
i The availabi lity of glid ing mod ede pends on
va rio us factors ,incl uding the followi ng:
R the engineand transmi ssion temp erature
R the downh ill gra dient
R the vehiclesp ee d
R pe rfo rmi ngreg ular adaptati onfunctio ns
Wh enyoude pre ssthe brakepedal,glid ing
mod eis de acti vated ,de pendi ng on pedal
pre ssu re. Wh
enyouacti vate cru ise contr olor Activ e
Dis tance AssistDISTR ONIC,glid ing mod eis
not availabl e.
Me rce des -AMG vehic les Dri
veprog ramI(I ndi vidual )
In dri ve pro gramIthe followi ng pro pertie sof
the drive pro gramcan beselected :
R the drive (engi ne ma nag eme nt)
R the transmi ssion manag eme nt
R the susp ens ion (ve hicle swi th AMG adap tive
sp ort susp ens ion sy ste m)
R ESP ®
Info rma tionab ou tconfi gurin gdri ve pro gramI
wi th the multimed iasyste mcan befou ndin
the DigitalOp era tor' sMa nua l.
Dri veprog ramC(C omf ort)
Dri vepro gramCis cha racter izedby the follow-
ing :
R the vehiclede liver scomf ortable, eco nomi cal
ha ndl ing character istics .
R the vehiclepu lls aw ay mor ege ntly in
for wa rdand revers ege ars, unl essthe accel-
era tor pedalis de pre sse dfu lly.
R the vehicleha sim pro ved drivin gsta bility,
for exa mpl eon slip pe ry roa dsu rfa ces .
R op tim alfuel cons umption resulting fromthe
au toma tictransmi ssion shiftin gup soo ner.
Th eveh icleis dri ven inthe low eng inespee d
ra nge and thewheelsareless likel yto spin.
R glid ing mod eis availa bl e.
R the ECO start/sto pfu nctio nis availa bl e.
Dri veprog ramS(S port)
Dri vepro gramSis cha racter izedby the follow-
ing :
R the vehicleexh ibits sporty drivin gcha racter -
is tics .
R the automa tictransmi ssion shifts uplater.
Th efu el cons umption possi blybe ing highe r
as ares ultof the later automa tictransmi s-
si on shiftpo ints .
R the susp ens ion exh ibits stiffsp rin ging and
da mpi ngsetting s(ve hicle swi th AIR adaptive
sp ort susp ens ion sy ste m).
R glid ing mod eis not availa bl e.
R the ECO start/sto pfu nctio nis not availa bl e. Au
tomati ctrans mission
139Dr ivi ng andparki ng Z

Perma
nentsetting (Mercedes-AMG
vehicle s) X
To activate: shifttheselector leverto005B.
X Press button 0043.
X To deactivat e:press button 0043.
or X Ifposition D(automatic transmission) is
selected forthe transm issionindrive pro-
gram I:shift todrive program Iwith the
DYNAMI CSEL ECT controller.
Shifting gears !
Mercedes-AMG
vehicles:theautomatic
transm issiondoesnotshift upautomatically
even when theengine limiting speedforthe
current gearisreached. Whentheengine
limiting speedisreached, thefuel supply is
cut toprevent theengine fromoverrevving.
Always makesurethattheengine speed
does notreach thered area ofthe tachome-
ter. There isotherwise arisk ofengine dam-
age. X
To shift up:pull steering wheelpaddle
shifter 0044.
The automatic transmissionshiftsuptothe
next gear. All
vehicles (exceptMercedes-AMG vehi-
cles) :if the maximum enginespeedonthe
current lyengaged gearisreached andyou
cont inue toaccelerate, theautomatic trans-
mission automatically shiftsupinorder to
prevent enginedamage.
X To shift down: pullsteering wheelpaddle
shifter 0043.
The automatic transmissionshiftsdownto
the next gear.
Automatic downshifting occurswhencoast-
ing.
If the engine exceeds themaximum engine
speed whenshifting down,theautomatic
transm issionprotect sagainst enginedam-
age bynot shifting down.
Shift recommendat ion The
gearshift recommen dationsassistyouin
adopting aneconomical drivingstyle.Therec-
ommended gearisshown inthe multifunct ion
display .
X Shift torecommen dedgear 0044according to
gearshift recommen dation0043when shown
in the multifunct iondisplay .
Upshifting (Mercedes-AMG vehicles) !
In
manual mode,theautomatic transmis-
sion does notshift upautomatically even
when theengine limiting speedforthe cur-
rent gear isreached. Whentheengine limit-
ing speed isreached, thefuel supply iscut
to prevent theengine fromoverrevving.
Always makesurethattheengine speed
does notreach thered area ofthe tachome-
ter. There isotherwise arisk ofengine dam-
age. Automat
ictransmission
141Drivingandparking Z

G
WARNING
Fuel sare toxic andharmfu lto hea lth. There
is arisk ofinjury .
You must avoidfuel scoming intocontact
with skin, eyesand clothes orbei ng swa l-
low ed.
Do not inhal ethe fuel vapo rs.Keep children
awa yfrom fuels.
Keep doors andwindo wsclosed duringthe
refue lingprocess .
If you orothers comeintocontact withfuel,
obse rvethe followi ngpoints:
R Immedi atelyrinse thefuel offyou rskin
with soap andwate r.
R Ifyou getfuel into youreye s,immed iately
rinse youreye sthrough lywith clean
water .Seek medicalattention immedi-
ately .
R Seek medicalattention immediatelyif fuel
has been swallowed .Do not indu cevomit-
ing.
R Immedi atelychange outofclothing which
has come intocontact withfuel. G
WARNING
Electrostatic chargingcan leadto the crea-
tion ofspar ksand ignite fuelvapo r.There is
a risk offire and explo sion.
Tou chthe metall icbody ofthe vehicl e
before youopen thefuel filler cap orhandl e
the pump nozzle. Anypossi bleelectrosta tic
charge presentwil lin this way bedepl eted.
Do not getinto thevehicl eaga induri ngthe
refue lingprocess .Otherwi se,electrosta tic
charge couldbui ldup aga in.
! Do
not use diesel torefue lvehicl eswith a
gaso lineengine. Donot switch onthe igni-
tion ifyou accide ntallyrefuelwith thewrong
fuel .Otherwi se,the fuel willenter thefuel
system. Evensmallamou ntsofthe wrong
fuel couldresu ltin dama getothe fuel sys-
tem andtheengine. Notifyaqua lified spe-
cial istworksho pand have thefuel tank and
fuel lines drained comple tely. !
Overfil
lingthefuel tank coulddama gethe
fuel system.
! Take
carenottospil lany fuel onpainted
surfa ces.Youcouldotherwi sedama gethe
pai ntwork.
! Use
afilter when addingfuel from afuel
can. Thefuel lines and/or thefuel injection
system couldotherwi sebe blocked byparti-
cles from thefuel can.
Do not getinto thevehicl eaga induri ngthe
refue lingprocess .Otherwi se,electrosta tic
charge couldbui ldup aga in.
If you overfil lthe fuel tank, fuelcouldspra y
out when thefuel pump nozzle isremoved .
For further informati ononfuel andfuel quality
(Y pag e335). Refuel
ing
Gene ralinfo rmation Pay
attention tothe importa ntsafety notes
(Y pag e142) .
The fuel filler flap isunlocked /lockedautomat-
ical lywhen youunlock/lo ckthe vehicl ewith
the SmartKey .
The position ofthe fuel filler cap isdisp layed
00D4 inthe instrument cluster.Thearrow on
the filling pump indicatesthe side ofthe vehi-
cle. On
the insid eof the fuel filler cap, youwillfind
informati ononthe recommende dfuel . Refuel
ing
143Drivingand parking Z

Opening
thefuel filler flap 0043
Toopen thefuel filler flap
0044 Tire pressure table
0087 Toinsert thefuel filler cap
0085 Instruct ionlabel forfuel type tobe refu-
eled
X Switc hoff the engine .
X Remove theSmart Keyfrom theignition
lock.
or, invehicles withKEYLE SS-GO start -function
or KEYLE SS‑GO
X Open thedriver's door.
The vehicle electronics arenow inposition
005A. This isthe same asthe Smart Keyhaving
been removed.
X Press thefuel filler flapinthe direct ionof
arrow 0043.
The fuel filler flapswings up. X
Turn thefuel filler capcount er-clockwise
and remove it.
X Inser tthe fuel filler capinto theholder on
the inside offuel filler flap0087.
X Completely insertthefiller neck ofthe fuel
pump nozzleinto thetank ,hook inplace
and refuel.
X Only fillthe tank untilthepump nozzle
switches off.
i Do
not add anymore fuelafter thepump
stops fillingforthe first time. Otherwise, fuel
may leakout.
Closing thefuel filler flap X
Replace thecap onthe filler neck andturn
clock wiseuntilitengages audibly.
X Close thefuel filler flap.
Close thefuel filler flapbefore lockingthe
vehicle.
If you aredriving withthefuel filler capopen,
the 00B6 reserv efuel warning lampflashes. A
message appearsinthe multifunc tiondisplay
(Y page 219).
In addition, the00B9 Check Engine warning
lamp maylight up(Ypage 239).
For furth erinfor mation onwarning andindica-
tor lamps inthe instrument cluster,see
(Y page 239). 144
RefuelingDriving
andparking

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