2020 MERCEDES-BENZ GLA wheel

Using
theTIREFIT kit X
Do not remov eany foreign objectswhich
have penet rated thetire, e.g.screws or
nails.
X Remove thetire sealant bottle,the accom -
panying TIREFITstic ker and thetire inflat ion
compr essorfromthestowage wellunder-
neat hthe cargo compar tmentfloor
(Y page 288).
X Aff ixpart 0043ofthe TIREF ITstic ker tothe
inst rumen tclust erwithin thedriver' sfield of
vision .
X Aff ixpart 0044ofthe TIREF ITstic ker near the
valve onthe wheel withthedefect ivetire. X
Pull connector0085with thecable andhose
0083 out ofthe tire inflat ioncompr essorhous-
ing.
X Sc rew hose 0083ontoflange 0084oftire sealant
bott le0043.
X Place tiresealant bottle0043 head down into
reces s0044 ofthe tire inflat ioncompr essor. X
Remove thecap from valve 006Bonthe faulty
tire.
X Sc rew filler hose 006Contovalve 006B.
X Ins ert plug 0085intoa12 Vsock etinyour
vehicle.
Observ ethe noteson sock ets(Ypage 261).
X Turn theSmart Keytoposition 0047inthe igni-
tion lock (Ypage 125).
X Press onand offswitc h0087 onthe tire infla-
tion compr essortoI.
The tireinflat ioncompr essorisswitc hedon.
The tireisinflat ed.
First ,tire sealant ispumped intothe tire.
The pressure canbriefly risetoapprox-
imately 500kPa(5bar/7 3psi).
Do not switch offthe tireinflat ioncom-
pr essor during this phase.
X Let the tire inflat ioncompr essorrunfora
maximum offive minut es.The tireshould
then have attained apressure ofat least
180 kPa(1.8 bar/2 6psi).
If apressure of180 kPa(1.8 bar/26 psi)has
been attained afterfiveminut es,see "Tire
pressure reached" (Ypage 292).
If atire pressure of180 kPa(1.8 bar/26 psi)
has notbeen attained afterfiveminut es,see
"Tire pressure notreached" (Ypage 292).
If tire sealant hasescaped, cleanitoff affec ted
areas asquickly aspossible. Useplain water if
possible.
If your clothes aresoiled withtiresealant ,
have them cleaned withperch loroet hylene ata
dry cleaner assoon aspossible. Flat
tire
291Breakd ownassist ance Z

X
When thevehicle isstation ary,depress the
brake pedalandkeep itdepressed.
X Shift theautomatic transmission toposition
005D.
X Release thebrake pedal.
X Release theelectr icparking brake.
X Switc hoff the automatic locking
(Y page 199).
X Switc hon the hazard warning lamps
(Y page 104).
X Turn theSmart Keyinthe ignition lockto
position 005Aand leave theSmart Keyinthe
ignition lock. Towing
avehicle withboth axles on
the ground
It is importan tthat youobserve thesafety
inst ruction swhen towing awayyourvehicle
(Y page 299).
X On
vehicles withKEYLE SS-GO orthe
KEYLE SS-GO startfunction: youmust use
the Smart Keyinstead ofthe Start/S topbut-
ton (Ypage 126).
The automatic transmission automatically
shifts toposition 005Dwhen youopen thedriv-
er's orfron t-passenger doororwhen you
remove theSmart Keyfrom theignition lock.In
order toensure thattheautomatic transmis-
sion stays inposition 005Cwhen towing away
the vehicle, youmust observe thefollowing
points :
X Make surethatthevehicle isstation ary.
X Turn theSmart Keytoposition 0048inthe igni-
tion lock.
X Depress andhold thebrake pedal.
X Shift theautomatic transmission toposition
005C.
X Leave theSmart Keyinposition 0048inthe
ignition lock.
X Release thebrake pedal.
X Release theelectr icparking brake.
X Switc hon the hazard warning lamps
(Y page 104).
i In
order tosignal achange ofdirect ion
when towing thevehicle withthehazard
warning lampsswitched on,use thecombi-
nation switch asusual. Inthis case, onlythe
indicator lampsforthe direct ionoftravel flash.
Afterresett ingthe combin ation
switch, thehazard warning lampstarts
flashing again. Perm
ittedtowing methods
Mercedes- Benzrecomm endstransportin gyour
vehicle inthe case ofabreakdown, ratherthan
towing itaway.
When towing away,useatowing ropeora
towing barwith both axles onthe ground. Do
not use anytow barsystems. Tr
anspor tingthevehicle
Vehicles withautomat ictransmission !
When
thevehicle isloaded fortran sport,
the fron tand rear axles mustbestation ary
and onthe same transportat ionvehicle.
Position ingover theconn ection pointofthe
tran sport vehicle isnot permitt ed.The drive
train mayotherwise bedamaged. All
vehicles !
You
may onlysecure thevehicle bythe
wheels, notbyparts ofthe vehicle suchas
axle orsteerin gcompon ents.Other wise, the
vehicle couldbedamaged.
X Turn theSmart Keytoposition 0048inthe igni-
tion lock (Ypage 125).
X Shift thetran smission toposition 005C.
As soon asthe vehicle hasbeen loaded:
X Preven tthe vehicle fromrolling awayby
applying theelectr icparking brake.
X Shift thetran smission toposition 005D. Towing
andtow-sta rting
301Breakdown assistance Z

Imp
ortant safety notes G
WAR
NING
If you installwhee lsand tires withinc orrect
dime nsion s,theser vicebrak eor whee lsus-
pen sion compo nentsmay bedamag ed.
Ther eis aris kof an acc iden t.
Alw ays replace whee lsand tires withon es
th at comply withth espec ificationsof the
ori gin alpart .
When replaci ngwhee ls,pay attention tothe:
R De sign ation
R Mode l
When replaci ngtires ,pay attention tothe:
R De sign ation
R Man ufacturer
R Mode l G
WAR
NING
A flat tire will severelyaff ectth edriv ing
ch arac teris tics as well asthest eer ing and
brak ingoftheveh icle. Ther eis aris kof an
acc iden t.
Tir es wit hout run-flat charac teris tics :
R Do notdriv eon withaflat tire.
R Chan getheflat tire imm ediat elywithan
eme rgencyspar ewhee lor spar ewhee l.
Alt ern ativel y,co nsult aqualif iedspec ialist
wor kshop.
Tir es wit hrun -flat charac teris tics :
R Obs erveth einf orm ation and warn ing
no teson MOE xten ded tires (run -flat tires ).
Ac cesso ries that are notappr ovedfor your
veh icleby Mer cedes- Benzor are notbein g
used correc tly can impa irth eoper ating safety.
Bef ore purc hasingand usingno n-appr oved
acc essories, visitaqualif iedspec ialist work-
sho pand inquire about :
R suit abilit y
R legal stipulat ions
R fac tory rec omm endat ions
Fur ther inform ation reg ardi ngwhee lsand tires
can befoun dund er"Whee l/tire combin ations"
(Y page 330). You
canaskforinform ation reg ardi ngper mit-
te dwhee l/tire combin ationsat an auth orized
Mer cedes- BenzCen ter.
In for mat ionontire pre ssur ecan befoun d:
R on theTir eand Load ingInfor mat ionplac ard
on theB- pillar onthedriv er'sside
(Y page 317)
R in thetire pre ssur etab lein thefuel filler flap
(Y page 144)
R und er"Tir epre ssur e"(Y page 308) Op
era tion Infor
mation ondrivin g
Chec kth etire pre ssur ewhen theveh icleis
heav ilyladen andadjust prio rto atrip.
While driving,pay attention tovibr ations,
no ises andunus ualhan dlingch arac teris tics ,
e. g. pullin gto oneside .This may indicat eth at
th ewhee lsor tires are damag ed.Ifyou sus-
pec tth at atire isdef ective, reduce your speed
imm ediat ely.Stop theveh icleas soo nas pos -
sible tocheckth ewhee lsand tires fordam-
age. Hidden tire damag eco uld also becaus ing
th eunus ualhan dlingch arac teris tics .If you
fin dno sign sof damag e,hav eth etires and
whee lsch ecke dat aqualif iedspec ialist work-
sho p.
When parkingyour vehicle, mak esur eth at the
ti res donotget deform edbythecur bor other
obs tacles. Ifth ey can notbe avoi ded, drive
ove robs tacles suc has cur bsslow lyand atan
obt use angle.Other wise, youmay damag eth e
whee lsor tires . Reg
ularcheck ingofwheels andtires G
WAR
NING
Dam aged tires can caus etire inflat ion pres-
sur eloss .As ares ult,you could lose control
of your vehicle. Ther eis aris kof acc iden t.
Chec kth etires regularly forsign sof dam-
age and replace anydamag edtires imm edi-
ate ly. Op
era tion
305Wheels andtire s Z

Chec
kwheel sand tires for damag eat least
on ce amon th.Chec kwheel sand tires after
driv ingoff-road oron roug hroad test track s.
Dam aged wheel scan caus ealoss oftirepre s-
sure .Pay particular attentio nto damag esuc h
as:
R cut sin thetir es
R punc tures inthetir es
R tears inthetir es
R bulges ontires
R def orm ationor sev ere corrosio non wheel s
Regular lych eck thetir etread dept hand the
co ndi tionof thetread across thewhole width
of all tires (Y page 306). Ifne ces sary, turnth e
fr on twheel sto full lockin ord erto ins pec tth e
inn erside ofthetir esurf ace.
All wheel smust haveavalv ecap topro tect
th evalv eagain stdirt and mois ture.Do not
moun tanyt hingon to thevalv eot her than the
st and ard valvecap orother valvecaps
appro vedbyMer cedes-Ben zfor your vehicle.
Do notuse anyother valvecaps orsyst ems ,
e.g .tir epre ssur emon itorin gsyst ems .
Regular lych eck thepre ssur eof all thetir es
part icular lyprio rto lon gtrips. Adjus tth etir e
pre ssur eas neces sary (Ypage 308).
Obse rveth eno teson theeme rgencyspar e
wheel (Ypage 331).
The servicelife oftires depen ds,amon got her
th ing s,on thefoll owin gfac tors:
R Dr ivin gst yle
R Tire pressur e
R Dis tan cecover ed Not
eson tiretread G
WAR
NING
If th ere isins ufficie nttiretread, thetir etrac-
tio ndec reas es.The tiretread isno longer
able todiss ipatewate r.This increas esthe
ris kof hydr oplan ingwhen theroad surface
is wet ,part icular lywhen theveh icle'sspee d
is no tadapt edtotheroad condi tions.Ther e
is aris kof an acc iden t.
When thetir epre ssur eis toohigh ortoo
low, tires may wear differe ntly at diff ere nt
poin tson thetir etread. Therefore, regularly
ch eck thetir etread dept hand theco ndi tion of
thetread across thewhole widthof all
tir es.
Min imum tiretread dept hon :
R Sum mer tires: 00CEin(3 mm)
R M+S tires: 00CFin(4 mm)
For safe tyreas ons,have thetir es rep lace d
bef ore they reac hth elegally prescribe dmin -
imum tiretread dept h. Mark
ing0043sho wswher ebar indicat or0044 for
tr ead wear isint egr atedint oth etir etread.
Tre adwear indicat ors (TWI )are required by
law. Sixindicat ors are posi tionedon thetir e
tr ead. They arevisible once atread dept hof
appr oximat ely00CD in(1.6 mm)ha sbe en
re ach ed. Ifth is isthecas e,thetir eis so worn
th at itmust berepl aced . Select
ing,mou nting and replacing
tir es G
WAR
NING
Ex cee dingth est ate dtir eload- beari ngcapa-
cit yand theappro vedmax imum speed
coul dlead totiredamage orthetir eburs t-
ing .Ther eis arisk ofacc iden t.
Ther efore, onlyuse tiretype sand sizes
appro vedforyour vehicle mode l.Obse rve
th etir eload rating and spee drat ing
requi redforyour vehicle.
R On lymoun ttir es and wheels ofthesame
type andmake.
Ex cep tion:itis perm issibleto moun ta dif-
fer ent type ormak ein theeven tof aflat
tir e. Obse rveher eth e"MOE xtend edtires 306
Oper
ationWh eels andtires

(tire
swith run-flatcharac teristic s)"sect ion
(Y page 289).
R Only mount tiresof the corr ectsize ontothe
wheels.
R Break innew tiresat moderat espeeds for
the first 60miles (100 km). Thenew tires
only reach theirfullperfor manceafter this
distan ce.
R Do not drive withtireswhich havetoolittle
tre ad depth. Thissignif icantlyreduces the
trac tion onwet roads (hydroplanin g).
R Replace thetiresafter sixyears atthe lat-
est, regardles sof wear.
Observ ethe noteson the emerge ncyspare
wheel (Ypage 331). MOExt
ended tires (tir eswith run-fla t
pr opert ies)
With MOExtended tires(tire swith runflat
charac teristic s),you can continue todrive your
vehic leeven ifther eis atot alloss ofpressur e
in one ormore tires.
MOE xtended tiresmay onlybeused incon -
jun ction with anact ivated tirepressur eloss
warnin gsystem (Canada only)ortire pressur e
mon itor(USA only)andonly onwheels specifi-
cally testedbyMerc edes-B enz.
Not eson drivin gwith MOExtended tireswith a
flat tire (Ypage 289).
Vehicles equipped withMOExtended tiresare
not equipped withaTIREF ITkit atthe factory.
It is ther efore recommen dedthat youaddition -
ally equip yourvehic lewith aTIREF ITkit ifyou
mount tiresthat donot featur erun- flatcharac -
ter istic s,e.g. wintertire s.ATIREF ITkit may be
obtain edfrom aqualified specialist workshop. Wint
eropera tion Genera
lnotes
Have yourvehic lewint er-proof edataqualified
specialist workshopatthe onset ofwint er.
Observ ethe notesinthe "Changing awheel"
sect ion(Ypage 326). Driving
withsummer tires
At tem peratur esbelow 45‡(+7†), summer
tire slose elastic ityand therefore traction and
brakin gpower. Change thetireson your vehi-
cle toM+S tires.Using summer tiresat very
cold temperatur escould cause crackstoform ,
ther eby damaging thetiresperman ently.
Merc edes-B enzcann otaccept responsibility
for this type ofdamage. G
WARN
ING
Damaged tirescan cause tireinflat ionpres-
sure loss. Asaresult ,you could losecontrol
of your vehic le.There isarisk ofacciden t.
Check thetiresregularly forsigns ofdam-
age and replace anydamaged tiresimmedi-
ately. M+S
tires G
WARN
ING
M+S tireswith atire tread depth ofless than
00CF in(4 mm) arenot suitable foruse inwin-
ter and donot provide sufficienttraction.
There isarisk ofan acciden t.
M+S tireswith atre ad depth ofless than 00CF
in (4 mm) must bereplaced immediat ely.
At tem peratur esbelow 45‡(+7 †), use win-
ter tiresor all-season tires.Bot htypes oftire
are ident ifiedbythe M+S marking.
Only wintertire sbearing the004D snowf lake
symbol inaddition tothe M+S markingprovide
the best possible gripinwint ryroad condi-
tion s.Only thesetire swill allow drivingsafet y
system ssuch asABSand ESP®
to func tion
optim allyinwint er.These tireshave been
developed specificallyfordrivin gin snow.
Use M+S tiresof the same make andtread on
all wheels tomaint ainsafe handlin gcharac ter-
istic s.
Always observethe maxim umpermiss ible
speed specifiedforthe M+S tiresyou have
mount ed. Wint
eropera tion
307Wheels andtires Z

When
youhave mount edthe M+S tires:
X Check thetire pressures (Ypage 308).
X Restart thetire pressure monitor(USA only)
(Y page 315).
X Restart thetire pressure losswarning sys-
tem (Canada) (Ypage 312) Snow
chains G
WARNIN
G
If snow chains aremount edon the rear
wheels, thesnow chains couldcause abra-
sion tothe vehicle bodyortochassis com-
ponen ts.This could cause damage tothe
vehicle orthe tires. There isarisk ofan
accident .
To avoid hazardous situations:
R never mount snowchains onthe rear
wheels
R only mount snowchains inpairs onthe
fron twheels.
! On
some tiresizes there isnot enough
space forsnow chains. Toavoid damage to
the vehicle ortires, observe the"Wheel and
tire combin ations" sectionunder "Tiresand
wheels".
For safety reasons, Mercedes- Benzrecom-
mends thatyouonly usesnow chains that
have been specially approved foryour vehicle
by Mercedes- Benz,or are ofacorr esponding
standard ofquality. Formore inform ation,
please contactaqualified specialist workshop.
If you inten dto mount snowchains, please
bear thefollowing pointsinmind:
R Sno wchains maynotbemount edon all
wheel/tire combinations.Permissible
wheel-tire combinations(Ypage 330).
R Only usesnow chains whendriving onroads
complet elycovered bysnow. Remove the
snow chains assoon aspossible whenyou
come toaroad thatisnot snow-c overed.
R Local regulations mayrestrictthe use of
snow chains. Observe theappropriate regu-
lations ifyou wish tomount snowchains. R
Do not exceed themaximum permissible
speed of30mph (50km/ h).
R Ifsnow chains areinstalled, youcann otuse
Act ive Parking Assist(Ypage 176).
You may wish todeactivat eES P®
when pulling
away withsnow chains installed .This allows
the wheels tospin inacont rolled manner,ach-
ieving increased propulsive force(cutt ing
action ).
R Deact ivateESP®
(all vehicles except
Mercedes- AMGvehicles) (Ypage 64)
R Deact ivateESP®
(Mercedes- AMGvehicles)
(Y page 65)
Inf ormation aboutdriving withanemergen cy
spare wheel (Ypage 331). Tir
epr essure Tir
epr essure specifications
Impor tantsafety notes G
WARNIN
G
Underin flatedoroverinf latedtirespose the
following risks:
R the tires mayburst, especially asthe load
and vehicle speedincrease.
R the tires maywear exces sively and/or
unevenly, whichmaygreatly impairtire
trac tion.
R the driving charact eristics,as well as
steerin gand braking, maybegreatly
impaired.
There isarisk ofan accident .
Follow recomm endedtireinflation pressures
and check thepressure ofall the tires
including thespare wheel:
R mont hly,atleast
R ifthe load changes
R before beginnin galong journ ey
R under differen toperating conditions,e.g.
off- road driving
If neces sary,correctthe tire pressure.
i The
data onthe Tire andLoading Informa-
tion placard andtirepressure tableshown
here areexamples. Tirepressure specifica- 308
Tir
epr essureWheels andtires

tio
ns areveh icle-s pecificand mayde via te
fro mthe data sho wnhere. The tirepressu re
sp eci ficati ons thatar eva lid for your veh icle
can befou ndonthe Tire and Loading Info r-
ma tionplaca rdand tirepressu retab leon
the vehicle.
Ge neral notes The
reco mme ndedtire pressu res forthe tires
mou nted atthe factory canbefou ndonthe
la be lsde scri bedhe re.
Ope ratio nwi th an eme rgencyspare wheel:
inf orm ation on opera tionwi th an eme rgency
sp arewh eelcan befou ndinthe genera lnote s
in the "Em ergency sparewh eel"se ctio n
(Y page 330 ).
Fur therinf orm ation on tire pressu res can be
ob tained ataqu alifi ed speci alistwo rksh op.
Tire andLoadin gIn fo rmatio nplac ard 0043
Recomm endedtire pressu res
The Tire and Loading Info rma tionplaca rdison
the B-pi llar on the driver 'sside (Ypage 317 ).
The Tire and Loading Info rma tionplaca rdcon-
tai ns the reco mme ndedtire pressu res forcold
tire s.The reco mme ndedtire pressu res are
va lid for the maxim um permi ssible load and up
to the maxim um permi ssible veh iclesp ee d.
Tire pres sure table The
tirepressu retab leison the inside of the
fu el fillerfla p. Itsho wsthe tire pressu refor all
tire spe rmi tted atthe factory forthisveh icle;
se eillu stra tion(e xam ple) . Th
etire pressu retab leconta insthe recom-
mend edpre ssu res forcoldtire sfor vario us
op era ting cond itions ,i.e .di ffe ringload and
sp ee dcond itions .
If atire size pre ced esatire pressu re,the fol-
lo wi ng tire pressu reinform ation isonl yva lid
for thattire size; seeillu stra tion(e xam ple) . Th
eload cond itions "partia lly la de n" and "ful ly
la de n" arede fin ed inthe tablefor diffe rent
num bers of occu pants and amounts oflug-
ga ge .Th eactu alnum berof seats maydi ffe r. Some
tirepressu retab lessho wonl ythe rim
di am ete rsins tea dof the fulltire size, e.g.R18 .
Ri m diam ete ris pa rtof the tire size and canbe
fou ndonthe tire side wa ll(Y page 321 ). Tire
pres sure
309Whe elsand tires Z

If
the tire pressu reshave been settothe lowe r
valu esfor lighter loadsand/or lowerroad
speed s,the pressu resshoul dbe reset tothe
higher values:
R ifyou want todrive withanincreased load
and/or
R ifyou want todrive athigher speeds
i The
tirepressu resforincreased loads
and/or higherroadspeed s,shown inthe
tire pressu retable, mayhave anegative
effect ondriving comfort.
If the tire pressu reisnot setcorrectly, thiscan
lea dto an excessive build-up ofheat anda
sudd enloss ofpressu re.
For more information, contactaqua lifiedspe-
ciali stworkshop. Important
notesontire pressure G
WARNING
If the tire pressu redrops repeatedly,the
wheel ,valve ortire may bedama ged.Tire
pressu rethat istoo low may resul tin atire
blow -out. There isarisk ofan accident.
R Check thetire forforeign objects.
R Check whether thewheel islosing airor
the valve islea king.
If you areunabl eto rectify thedama ge,con-
tact aqua lifiedspecia listworkshop. G
WARNING
If you fitunsui table accessorie sonto tire
valves ,the tire valves maybeoverloa ded
and malfu nction, whichcancause tirepres-
sure loss. Duetotheir desig n,retrofitted tire
pressu remonitors keepthetire valve open.
This canalso resul tin tire pressu reloss.
There isarisk ofan accident.
Only screw thestandard valvecaporother
valve capsappro vedbyMercedes-Benz for
you rvehicle ontothetire valve.
Use asuita blepressu regau getocheck the
tire pressu re.The outer appearance ofatire
does notpermit anyrelia bleconclusion about
the tire pressu re.On vehicle sequi pped with
the electronic tirepressu remonitor, thetire pressu
recan bechecked inthe on-board com-
puter.
The tiretemperature andpressu reincrease
when thevehicle isin motion. Thisisdepend-
ent onthe driving speedandtheload .
Therefore, youshoul donly correct tirepres-
sures whenthetires arecold.
The tires arecold:
R ifthe vehicle hasbeen parked withthetires
out ofdirect sunlightfor atlea stthree hours
and
R ifthe vehicle hasbeen driven lessthan
1 mile (1.6km)
The tiretemperature changesdependingon
the outsid etemperature ,the vehicle speed
and thetire load .If the tire temperature
changes by18 ‡(10 †), thetire pressu re
changes byappro ximately 10kPa (0.1 bar/
1.5 psi).Take thisinto account whenchecking
the pressu reofwarm tires.Onlycorrect the
tire pressu reifit is too low forthe current
opera tingconditions. Ifyou check thetire
pressu rewhen thetires arewarm, theresul t-
ing valu ewil lbe highe rthan ifthe tires were
cold. Thisisnormal. Donot reduce thetire
pressu reto the valu especifie dfor cold tires.
The tirepressu rewou ldotherwise betoo low.
Observe therecommended tirepressu resfor
cold tires:
R on the Tire andLoadi ngInformation placard
on the B-pilla ron the driver's side
R in the tire pressu retable inthe fuel fillerflap
(Y page 144) Underinfl
atedoroverin flated tires
Underinfl atedtires G
WARNING
Tires withpressu rethat istoo low can over-
heat andburst asaconsequence. Inaddi -
tion, theyalsosuffer fromexcessive and/or
irregu larwea r,which canseverel yimpa irthe
braking propertie sand thedriving character-
istics. Thereisarisk ofan accident.
Avoid tirepressu resthat aretoo low inall
the tires, includi ngthe spare wheel. 310
Tire
pressureWheel sand tires