tires MERCEDES-BENZ GLE 2021 User Guide

is
two rkshop withre ga rd totheir further
use. #
The defective tir emus tbe replaced in
eve rycase . Wi
th MOExt ended tires (run-f lattires), youcan
co ntinue todrive yo ur vehicle evenif th er eis a
tot alloss ofpressur ein on eor mor etir es. How‐
eve r,th etir eaf fect ed mus tno tsho wan ycle arly
vis ible da mag e.
Yo ucan recogni zeMOExt endedtir es by the
MOExt ended marking whichappear son theside
wa llof thetir e.
Ve hicl eswith tirepr ess urelos swa rning sys‐
te m: MOExt endedtires ma yonly beused incon‐
junc tionwi th an act ivat ed tirepr essur eloss
wa rning system.
Ve hicl eswith tirepr ess uremonit oring sys‐
te m: MOExt endedtires ma yonly beused incon‐
junc tionwi th an act ivat ed tirepr essur emon itor‐
ing system. If
apr essur eloss warning mess ageappear sin
th emultifunc tiondispla y,proceed asfollo ws :
R Chec kth etir es fordama ge.
R Ifdr iving on,obser vethefo llo wing notes.
Dr iving distance possible inemer gency
mode afte rthe pres sur elo ss wa rning: Load
condit ion Driving distance pos‐
sible inemer gency
mode
Pa rtiall yladen 50miles (80km)
Fu lly laden 19mile s(30 km) The
driving distance possi ble in eme rgency
mod ema yva ry dependin gon thedr iving style.
Obser vethemaximum permissible speedof
50 mph(80 km/h).
If atir ehas gone flat and cannotbe replaced
wit han MOEx tende dtir e, youcan useast and‐
ar dtir eas ate mp orarymeasur e. TIREFIT
kitstorage location Plug-
inhybrid: besur eto obser vetheno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers.
The TIREFIT kitisloca tedunder thecar gocom‐
par tmen tfloor .
Ve hicl eswith tworo ws ofseat s 1
Tire seala ntbottle
2 Tire inflation compressor Br
eakdo wnassis tance 31
9

Ve
hicl eswith threero ws ofseat s 1
Tire seala ntbottle
2 Tire inflation compressor Using
theTIR EFIT kit Re
quirement s:
R Tire seala ntbottle and tireinf lation compres‐
sor (/ page31 9).
R TIRE FITst icke r
R Gloves(depending ontheve hicle equipment)
Yo ucan useTIRE FITtir esealan tto seal perfora ‐
tio nda ma geofup to0.16 in(4 mm), particular ly th
ose inthetir econ tact surface. Youcan use
TIRE FITin out side temp eratur esdown to-4 °F
(-20 °C). &
WARNIN GRisk ofacci dent whenus ing
tir esea lant
The tiresea lant ma ybe una ble to seal the
tir epr op erly,es pe cia llyinthefo llo wing
cases :
R Ther ear ecut sor punc tures inthetir e
lar gerth an damag epr ev iousl ymen ‐
tion ed.
R The wheel rim isdama ged.
R Youha ve driven atvery low tirepr essur e
or on aflat tire. #
Donotcon tinue drivin g. #
Con sult aqu alif ied spec ialistwo rkshop. &
WARNIN GRisk ofinju ryand poiso ning
fr om tiresealan t
The tiresealan tis har mfuland caus esirrita ‐
tio n.Do notal lo w itto come intocont act wi
th theskin ,ey es orclo thing, and donot
sw allo wit. Do notinhale tiresealant fumes.
Ke ep thetir esealant away from childr en.
If yo uco me intoco ntact withth etir esealant,
obser vethefo llo wing: #
Rinse offth etir esealant from your skin
imm ediat elyusin gwa ter. #
Iftir eseal antgets int oyo ur eyes, thor‐
oughl yrinse outth eey es using clean
wa ter. #
Iftir eseal anthas been swallowe d,
immediat elyrinse outth emout hth or‐
oughl yand drink plenty ofwa ter.Do not
ind uce vomiting andseek medica l
att ention immedi ately . #
Cha ngeout ofanyclo thes con tamina‐
te dwit htir esealant immediat ely. #
Ifall ergic react ionsocc ur,seek medical
att ent ion imm ediat ely. 320
Breakdo wnassis tance

*
NO
TEOverhea ting dueto thetir einf la‐
tion compressor running toolong #
Donotru nth etir einf lation compressor
fo rlong erthan tenminu teswit hout
int erru ption. Com
plywit hth emanuf acturer'ssafetyno teson
th est icke ron thetir einf lation compressor .
Ha ve thetir esealant bottle replaced inaqu ali‐
fi ed specialis two rkshop everyfive years. #
Donotre mo veanyfo re ign obje ctswhic h
ha ve ent ered thetir e. #
Affix pa rt1 oftheTIREFI Tst icke rto the
ins trumen tclus terwit hin thedr iver's field of
vision. #
Affix pa rt2 oftheTIREFI Tst icke rnear the
va lve on thewheel withth efa ulty tire. #
Pull plug 4withcabl eand hose5 out of
th etir einf lation compressor housing. #
Push plugofhose 5intoflang e6 oftire
sealan tbo ttle 1 untilth eplug engages. #
Place tiresealant bottle 1 head down wards
int ore cess 2ofthetir einf lation compres‐
sor . #
Remo vethecap from valve 7 onthefa ulty
tir e. #
Screw filling hose 8ontova lve 7. #
Insertplug 4intoa12 Vsoc ketin your
ve hicle. #
Switc hon theignition . Br
eakdo wnassis tance 32
1

#
Swi tchon thetir einf lation compressor using
On/ Offswitc h3.
The tireis inf lated. First,tir esealant ispum‐
ped intoth etir e. The pressur ema ybr ief ly
ri se toappr oximat ely500 kPa(5 bar/7 3psi).
Do notswitc hof fth etir einflat ioncom pres‐
sor during this pha se. #
Letth etir einf lation compressor runfo ra
maximu mof tenminu tes.
The tireshould then have attaine datir e
pr essur eof at leas t20 0kP a(2. 0bar/
29 psi).
If tir esealan tleak sout ,mak esur eyo ucle an the
af fect ed area asquickl yas possible .It is prefer a‐
ble touse clean water.
If yo uge ttir ese alant onyour clo thing, have it
clean edassoon aspossible withper chlor oethy‐
len e.
If, afte rte nminut es,atir epr essur eof
200 kPa(2.0 bar/29 psi)hasnotbeen
attained: #
Switc hof fth etir einf lation compressor . #
Unscr ew thefilling hose from theva lve of the
fa ulty tire.
Pleas eno te that tiresealan tma yleak outwhen
uns crew ing thefilling hose. #
Drive fo rw ards orreve rseve ry slo wlyfo r
appr oximat ely33 ft(10 m). #
Pum pup thetir eag ain.
Af tera maximu mof tenminu testh etir e
pr essur emus tbe atleas t200 kPa(2.0 bar/
29 psi). &
WARNIN GRisk ofacci dent dueto the
specif iedtirepr essur eno tbeing attained
If th eminimum tirepr essur eis no tre ac hed
af te rth especif iedtime, thetir eis toobadl y
damag ed.The tiresealant cannotrepair the
tir ein this ins tance.
The braki ng and drivi ng charact eristic sma y
be great lyim pair ed. #
Donotcon tinue drivin g. #
Consult aqu alif ied spec ialistwo rkshop. If,
afte rte nminut es,atir epr essur eof
200 kPa(2.0 bar/29 psi)hasbeen attained: #
Switc hof fth etir einf lation compressor . #
Unscr ew thefilling hose from theva lve of the
fa ulty tire. &
WARNIN GRisk ofacci dent from drivi ng
wi th sealed tires
A tir ete mp orarily sealed withtir esealant
im pair sth ehandling charact eristic sand is
no tsuit able forhighe rspee ds. #
Adaptyo ur drivin gst yle accor dinglyand
dr ive car efull y. #
Donotexc eed themaximum speed
limit withatir eth at has been repair ed
using tiresealant. #
Obser vethemaximum permissible speedfor
a tir esealed withtir esealan t50 mph
(80 km/ h). 322
Breakdo wnassis tance

*
NO
TEStainin gcaus edbyleakin gtir e
sealant Af
teruse, excess tiresealant mayleak out
fr om thefilling hose. #
Ther efor e, place thefilling hose inthe
plas ticbag that con tained theTIREFI T
kit. +
ENVIR
ONMEN TALNO TEEnvironme ntal
po lluti on cau sed byenvironmen tally irre ‐
sponsible disposal Ti
re seala ntcont ains pollu tants. #
Have thetir esealant bottle disposed of
pr ofessionall y,e.g. atan aut hor ized
Mer cedes- BenzCenter. #
Stow thetir esealant bottle and thetir einf la‐
tion compressor . #
Pull away immed iately. #
Stop driving afte rapp roxima tely tenminu tes
and checkth etir epr essur eusing thetir e
inf lation compressor .
The tirepr essur emus tno wbe atleas t
13 0kP a(1 .3 bar/1 9psi) . &
WARNIN GRisk ofacci dent dueto the
specif iedtirepr essur eno tbeing attained
If th especif iedtirepr essur eis no tre ac hed,
th etir eis toobadly damag ed.The tireseal‐
ant cann otrepair thetir ein this ins tance.
The braki ng and drivi ng charact eristic sma y
be great lyim pair ed. #
Donotcon tinue drivin g. #
Consult aqu alif ied spec ialistwo rkshop. In
cases suchas theone ment ioned above,con ‐
ta ct an author ized Mercedes-B enzCent er.Or
call 1-80 0-FOR-ME RCedes (intheUS A)or
1-8 00-387-0 100(in Canada). #
Toincr ease thetir epr essur e:swit chon
th etir einf lation compressor . #
Toreduce thetirepr es sur e:press press ure
re lease button1 next to manome ter2. #
When thetir epr essur eis cor rect, unscr ew
th efilling hose from theva lve of thesealed
tir e. #
Screw theva lve cap ontoth eva lve of the
sealed tire. #
Pull thetir esealant bottle out ofthetir e
inf lation compressor .
The filling hose stay son thetir esealant bot‐
tle. #
Drive to thenear estqu alif ied spec ialistwo rk‐
shop andhave thetir e, tiresealant bottle
and filling hose replaced ther e. Br
eakdo wnassis tance 32
3

No
teson noise orunusua lhand lingcharac‐
te rist ics
Mak esur eth er ear eno vibr ations, noisesor
unusual handling charact eristic swhen theve hi‐
cle isin mo tion. Thismayindicat eth at the
wheels ortires aredamag ed.Hidde ntir edam‐
ag ecould alsobecausin gth eunusual handling
ch aract eristic s.
If yo ususp ectthat atir eis malf unctionin g,
re duce your spee dimm ediat elyand have the
tir es and wheelsch eckedat aqu alif ied spec ialist
wo rkshop. No
teson regular lyinspect ingwheels and
tir es &
WARNIN GRisk ofinju rythro ugh dam‐
ag ed tires
Dam aged tires can caus etir epr ess ureloss . #
Chec kth etir es regular lyforsigns of
dama geand replace anydamag edtires
immediat ely. &
WARNIN GRisk ofhydroplaning dueto
insuf ficie nttiretrea d
Insu fficien ttir etread willresult inreduced
tir egr ip.
In hea vyrain or slush therisk ofhydroplaning
is incr eased, inpar ticular wherespeed isno t
adap tedto suit thecon ditions . #
Thus, yousho uld regular lych eckth e
tr ea dde pthand thecon dition ofthe
tr ea dacr oss theent ire widt hof all tires.
Minimum tread depthfor:
R Summ ertires: 00CEin(3 mm)
R M+S tires: 00CFin (4mm) #
Forsaf etyre ason s,replace thetir es
bef oreth eleg ally -prescr ibed limit for
th eminimum tread depthisreac hed. Car
ryout thefo llo wing checks on allwheels reg‐
ular ly,at leas tonce amont hor as requ ired, for
ex am ple, prior toalon gjo ur ne yor drivin gof f-
ro ad:
R Chec kth etir epr essur e(/ page338). R
Visual lyinspect wheelsandtires fordama ge.
R Chec kth eva lve caps.
R Visual checkof thetir etread depthand the
tir econt actsurface across theent ire widt h.
The minimum tread depthforsummer tires is
00CE in(3 mm) andforwint ertires 00CF in
(4 mm). Six
mar ks1 showwher eth ebar indicat ors
(ar row )ar eint egr ated intoth etir etread. They
ar evisible onceatread depthofappr oximat ely
00CD in(1.6 mm) hasbeen reac hed. Whee
lsand tires 33
7

No
teson sno wch ains &
WARNIN GRisk ofacci dent dueto inc or‐
re ct mou nting ofsno wch ains
If yo uha ve mount edsno wch ains tothefront
wheels, thesno wch ains maydr ag agains t
th eve hicle body orchassis components.
This couldcaus edamag eto theve hicle or
th etir es. #
Nevermount snowch ains onthefront
wheels. #
Onlymount snowch ains onthere ar
wheels inpair s. *
NO
TEDama getocom pone ntsofthe
ve hicle body orchassis duetofitt ed
sno wch ains If
yo ufit sno wch ains tothefront wheels of
4MA TICvehicles, youma ydamag eco mp o‐
nent sof theve hicle body orchassis . #
Onlyfit sno wch ains tothere ar wheels
of 4MA TICvehicles. R
Sno wch ains areon lype rm issible forcer tain
wheel/t ire com binat ions.Yo ucan obtain
inf ormat ionabout this from anaut hor ized
Mer cedes -Benz Cent er.
R Forsaf etyre ason s,on lyuse snow chains that
ha ve been specif icallyapproved foryo ur
ve hicle byMer cedes-Ben z,or sno wch ains
wit hth esame qualit yst andar d.
R Ifsn ow chains areins talled, themaximum
per missible speedis30 mph(50 km/h).
R Vehicl eswith Activ ePa rking Assis t:Do
no tuse ActivePa rking Assistwhen snow
ch ains areins talled.
R Vehicl eswith AIRMA TICorE-AC TIVE
BO DY CONT ROL:Ifsn ow chains areins tal‐
led, onlydr ive at raised vehicle leve l.
% Youcan deac tivateES P®
to pull away
( / pag e18 6). This allo ws thewheels to
spin, achie ving anincr eased driving forc e. Ti
re pres sur e No
teson tirepr essur e &
WARNIN GRisk ofacci dent dueto insuf ‐
fi cie ntor excess ive tir epr ess ure
Under inflate dor ove rinf late dtir es pose the
fo llo wing risk s:
R The tires ma ybur st,especiall yas the
load andvehicle speed increase.
R The tires ma ywe arexc essiv elyand/or
une venly, whic hma ygr ea tly impair tire
traction .
R The drivin gch aract eristic s,as wellas
st eer ing and braking, maybe greatl y
im pair ed. #
Com plywithth ere comme ndedtire
pr ess ureand checkth etir epr essur eof
all tires including thespar ewheel regu‐
lar ly:
R atleas tonce amont h
R when theload chang es 338
Wheelsand tires

R
beforeembar kingon along erjour ney
R ifoper ating condition sch ang e,e.g .of f-
ro ad drivin g #
Adjus tth etir epr essur eas neces sary. Ti
re pressur ewhic his toohigh ortoolow can:
R Shor tenth eser vice life of thetir es.
R Cause increased tiredamag e.
R Adversely affect drivi ng charact eristic sand
th us drivin gsaf ety, e.g. due tohydroplaning. &
WARNIN GRisk ofan acci dent dueto
insuf ficie nttirepr ess ure
Ti re swit hpr essur eth at istoolow can over‐
heat andburstas are sult.
In addition, they also sufferfr om excessiv e
and/or irre gular wear,whic hcan significan tly
im pair thebr aking proper tiesand thehan‐
dling charact eristic s. #
Avoid excessiv elylow tirepr essur esin
all thetir es, including thespar ewheel. Ti
re pressur ewhic his toolow can cause:
R Tire malfu nctions asare sult ofove rheating
R Impair edhandling charact eristic s
R Irre gular wear
R Incr eased fuelconsum ption &
WARNIN GRisk ofacci dent from exces‐
siv etir epr ess ure
Ti re swit hexc essiv elyhigh pressur ecan
bur stbecause they aredamag edmor eeasil y
by highw ayfill, po tholes etc.
In addition, they also sufferfr om irre gular
we ar,whic hcan significan tly im pair thebr ak‐
ing proper tiesand thehandling charact eris‐
tic s. #
Avoid excessiv elyhigh tirepr essur esin
all thetir es, including thespar ewheel. Ti
re pressur ewhic his toohigh cancause:
R Increased brakin gdis tance
R Impaired handl ing charact eristic s
R Irre gular wear R
Impair eddrivin gcom fort
R Sus ceptibility to damag e &
WARNIN GRisk ofacci dent caused by
re peat eddrop intirepr essur e
If th etir epr essur edr ops repeat edly,th e
wheel, valve or tirema ybe damag ed.
Insuf ficie nttirepr ess urecan causethetir es
to bur st. #
Inspect thetir efo rsigns offore ign
obje cts. #
Chec kwhe ther thewheel orvalve has a
leak . #
Ifyo uar eunab leto rectify thedamag e,
con tact aqu alif ied spec ialistwo rkshop. Yo
ucan find informa tionon tirepr ess urefo rth e
ve hicle's fact or y-ins talled tires on thefo llo wing
labels:
R Tire and Loadi ngInfo rm atio nplacar don the
B‑pil larof your vehicle (/page345).
R Tire pressur eta ble ontheinside ofthefuel
fi ller flap (/ page34 0). Whee
lsand tires 339

Obser
vethemaximum tirepr essur e
(/ page35 1).
Use asuit able pressur ega ug eto checkth etir e
pr essur e.The outerappear anceofatir edoes
no tper mit anyre liable conclusion aboutthetir e
pr essur e.
Onl ycor rect tirepr ess ure whe nth etir es are
cold. Condition sfo rcold tires:
R The vehicle hasbeen parkedwit hth etir es
out ofdir ect sunlight forat lea stthre ehour s.
R The vehicle hastrave led less than 1mile
(1 .6 km ).
The vehicle's tires heat upwhen driving. Asthe
te mp eratur eof thetir es incr eases, sotoodoes
th etir epr essur e.
Ve hicl eswith atir epr ess uremonit oring sys‐
te m: Youcan also checkth etir epr essur eusing
th eon- board computer.
The tirepr essur ere comme ndedforincr ease d
loa d/spee din thetir epr essur eta ble can affect
th eride comf ort. &
WARNIN GRisk ofacci dent dueto
uns uitable accessories ontireva lve
If yo umoun tuns uitable accessories onto tire
va lves, thetir eva lves ma ybe ove rloaded and
malfunct ion,whic hcan cause aloss oftire
pr essur e.Afterm arke ttir epr es su re monit or‐
ing systems willcause thetir eva lve to
re main open, depending onthedesign. This
can also result inaloss oftirepr essur e. #
Onlyscr ew standar dva lve caps orvalve
cap sspe cifica llyapprove dby
Mer cedes-Ben zfo ryo ur vehicle onto
th etir eva lve. No
teson towing atrail er
Alw aysinf lateth ere ar axle tires tothere com‐
mend edtirepr ess ureon thetir epr essur eta ble
fo rincr ease dloa d. Ti
re pres sur etab le The
tirepr ess ureta ble ison theinside ofthe
fuel filler flap. %
The datasho wnintheimag esisexam ple
dat a. If
on eor mor etir esiz es prece deatir epr essur e,
th efo llo wing tirepr essur einf ormatio nis onl y
va lid forth ose tiresizes andtheir respectiv e
load condition.
The load conditions "partially laden" and"fully
laden" aredef ined intheta ble fordif fere nt num ‐
be rs of passeng ersand amounts oflugg age. The
actual number ofseats maydif ferfr om this. 34
0
Wheels andtires

Some
tirepr ess ureta bles onlysho wtherim
diame terins tead ofthecom pletetiresize, e.g.
R1 8.The rim dia me teris par tof thetir esize and
can befound onthetir eside wall(/ page352 ).
R Tire and Loadi ngInfo rm atio nplacar d
(/ page34 5)
R Max imum tirepr essur e(/ page35 1) Chec
kingtirepr essu resmanu ally #
Read thetir epr essur efo rth ecur rent operat‐
ing cond itions from theTire and Loadi ng
In fo rm atio nplacar dor thetir epr essur e
ta ble. Obser vetheno teson tirepr essur e. #
Remo vetheva lve cap ofthetir eto be
ch ecked. #
Press thetir epr essur ega ug esec urelyon to
th eva lve. #
Read thetir epr essur e. #
Ifth etir epr essur eis lowe rth an there com‐
mend edvalue, increase thetir epr essur eto
th ere comme ndedvalue. #
Ifth etir epr essur eis higher than there com‐
mend edvalue, release air.To do so, press
do wn theme talpin intheva lve, e.g. using
th etip ofapen forex am ple. Then checkth e
tir epr es su re again usin gth etir epr essur e
ga ug e. #
Screw theva lve cap ontoth eva lve.
Fu rther relat ed subje cts:
R Noteson tirepr essur e(/ page338) R
Tire pressur eta ble (/ page340 )
R Tire and Loadi ngInfo rm atio nplacar d
(/ page34 5) Ti
re pres sur emoni toring system Fu
nction ofthetir epr essur emoni toring sys‐
te m &
DANG ER Risk ofacc iden tdue toinc or‐
re ct tirepr ess ure
Eac htir e, incl uding thespar e(if prov ided),
should becheckedmont hlywhen coldand
inf lated totheinf lation pressur ere comme n‐
ded bytheve hicle manuf actureron theve hi‐
cle placar dor tireinf lation pressur elabel .(If
yo ur vehicle hastires ofadif fere nt size than
th esize indicat edon theve hicle placar dor
tir einf lation pressur elabel ,yo usho uld deter‐
mine thepr oper tireinf lation pressur efo r
th ose tires.)
As anadded safetyfe atur e,your vehicle has
been equipped withatir epr essur emonit or‐
ing system (TPMS) that illumin ates alow tire Whee
lsand tires 34
1