2021 MERCEDES-BENZ GT COUPE tires

#
Remo vewarning triang le2.
Se tting upthewa rning triang le #
Foldside reflect ors1 upw ards toform atri‐
ang leand attachat theto pusing upper
pr ess-s tud2. #
Foldlegs 3down and outtotheside. Fi
rs t-aid kit(sof t-si ded) overview The
firs t-ai dkit (sof tsi de d) islocat edon thelef t
side ofthecar gocom partmen tin thestor ag e
com partmen tof ser vice flap 1 behin dth e
TIREFIT kit.Invehicles withatir e-c hang eto ol
kit, thefirs t-ai dkit (sof tsi de d) islocat edinthe
cargo compartment. Flat
tire No
teson flat tire &
WARNIN GRisk ofacci dent dueto aflat
tir e
A flat tirese verely affects thedr iving charac‐
te rist ics aswellas thesteer ing and braking
of theve hicle.
Ti re swith outrun-flat charact eristics : #
Donotdr ive wit haflat tire. #
Chan getheflat tireimm ediat elywit han
emer gency sparewheel orspar ewheel.
Alt ernat ivel y, consu ltaqu alif ied spe‐
cialis two rkshop.
Ti re swith run-flat charact eristics : #
Obse rveth einf ormation andwarning
no teson MOExt ended tires (run-f lat
tir e). Br
eakdo wnassis tance 27
5

In
theeve ntofaflat tire, thefo llo wing option s
ar eav ailable dependingon your vehicle's equip‐
ment :
R Vehicl eswith MOExt endedtir es: itis pos‐
sibl eto continu eth ejour neyfo ra shor t
per iod oftime. Makesur eyo uobse rveth e
no teson MOExt ended tires (run-f lattires)
(/ page27 6).
R Vehicl eswith aTIREF ITkit :yo ucan repair
th etir eso that itis poss ibletocontinu eth e
jou rney fora shor tper iod oftime. Todo this,
use theTIREFI Tkit (/ page27 7).
R Vehicl eswith Mercedes meconne ct:you
can makeacal lfo rbr eakdo wnassi stanc ein
th ecase ofabr eakdo wn(/ page228).
R Allvehicl es:chang eth ewheel
(/ page31 5).
% Theem erge ncy sparewheel isonl yav ailable
in cer tain coun tries. No
teson MOExt ended tires (run-fl attires) &
WARNIN GRisk ofacci dent whendr ivi ng
in limp -hom emod e
Whe ndr ivi ng ineme rgency modeth ehan‐
dling charact eristic sar eim pair ed. #
Donotexc eed thespecif iedmaximum
speed oftheMOEx tende dtir es. #
Avoid anyabr uptst eer ing and driving
maneuv ersas wellas drivin gove r
obs tacle s(cu rbs, pothol es, off-r oa d).
Thi sap plies, in pa rticular ,to aloaded
ve hicle. #
Stop driving intheemer gency mod eif
yo uno tic e:
R Ban gingno ise
R Vehicle vibration
R Smok ewhic hsmells likeru bber
R Contin uousESP®
int erve ntio n
R Crac ks inthetir eside walls #
Afterdr iving inemerg encymode, have
th erims checkedby aqu alif ied spec ial‐ 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 whichappea rson theside
wa llof thetir e.
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. 27
6
Brea kdo wnassista nce

Dr
ivin gdis tance possiblein eme rgency
mod eaf te 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 orar ymeasur e. TIREFIT
kitstorage location The
TIREF ITkit islocat edon thelef tside ofthe
cargo compartment inthestor ag ecom partmen t
behind service flap 1. Using
theTIR EFIT kit Re
quirement s:
R Tire seala ntbottle and tireinf lation compres‐
sor available (/page27 7)
R TIREFIT sticke rav ailable
R Glovesav ailable 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 elar ge cuts orpunctur esinthe
tire (larg erthan damag epr ev iousl ymen ‐
tion ed)
R The wheel rims have been damag ed
R Afterjour neys wit hve ry low tirepr essur e
or wit hflat tires #
Donotcon tinue drivin g. #
Con sult aqu alif ied spec ialistwo rkshop. Br
eakdo wnassis tance 27
7

&
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. *
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 ataqu 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 4withth ecable andhose 5out
of thetir einf lation compressor housing. 27
8
Brea kdo wnassista nce

#
Push theplug ofhose 5intoflang e6 of
tir esealan 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 . #
Press onand offswitc h3 onthetir einf la‐
tion compressor .
The tireinf lation compressor isswitc hedon.
The tireis inf lated. First,tir esealant ispum‐
ped intoth etir e. The pressur ema ybr ief ly
ri se toappr oximat ely500 kPa(7 3 psi
(5 bar) ).
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(29 psi
(2. 0bar)) .
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(29 psi(2.0 bar)) 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 orinreve rseve ry slo wlyfo r
appr oximat ely33 ft(10 m). #
Pum pup thetir eag ain.
Af tera maximu mof tenminu tes, thetir e
pr essur emus tbe atleas t200 kPa(2 9psi
(2.0 bar)). &
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. Br
eakdo wnassis tance 27
9

#
Donotconti nuedrivi ng. #
Consu ltaqu alif ied spec ialistwo rkshop. If,
afte rte nminut es,atir epr essur eof
200 kPa(29 psi(2.0 bar)) 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). #
Affix th eupper sectionoftheTIREFI Tst icke r
to theins trument clusterin alocati onwher e
it wil lbe easi lyseen bythedr iver .
* 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. #
Storeth etir esealant bottle and thetir einf la‐
tion compressor . #
Pull away imm ediat ely. #
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 9 psi (1.3 bar)). &
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). #
Cor rect thetir epr essur eif it is still at leas t
13 0kP a(1 9 psi (1.3 bar)). SeetheTire and
Loadi ngInfo rm atio nplacar don theB‑pillar 280
Breakdo wnassis tance

on
thedr iver's side orthetir epr essur eta ble
in thefuel filler flap forva lues. #
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. Bat
tery (vehicle) No
teson the12 Vbatt ery &
WARNIN GRisk ofan acci dent dueto
wo rkcar ried out incor rectly onthebat‐
te ry
Wo rkcar ried out incor rectl yon thebatt ery
can, forex am ple, lead toashor tcir cuit .This
can restrict functi onsreleva nt forsaf etysy s‐
te ms and impai rth eoper ating safetyof your
ve hicle.
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ionsinpar ticular :
R When brakin g R
Intheeve ntofabrupt steer ing maneuv ers
and/or whentheve hicle's speedisno t
adap tedto thero ad con dition s #
Intheeve ntofasho rtcir cui tor asim i‐
la rinci dent, contactaqu alif ied spec ial‐
is two rkshop immediat ely. #
Donotdr ive on. #
Alw aysha ve wo rkon thebatt erycar ried
out ataqu alif ied spec ialistwo rkshop. R
Further information onABS (/page12 1)
R Further information onESP ®
Fo rsaf etyre ason s,Mer cedes-Ben zre comme nds
th at youon lyuse batteries whic hha ve been tes‐
te dand appr ovedfo ryo ur vehicle byMer cedes-
Benz . Br
eakdo wnassis tance 28
1

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(/ page293). 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 onceatir etread depthofappr ox‐
imat ely00CD in(1.6 mm) hasbeen reac hed. 292
Wheelsand tires