2020 MERCEDES-BENZ GT R ROADSTER tire type

th
ese areins talled ontheve hicle, butdoes not
include passeng ersor lugg age.
Maximum tireload: themaximum tireload is
th emaximum permissible weight inkilog rams or
lbs forwhi chatir eis appr oved.
Maxim umpermissible tirepr essur e:maxi‐
mum permissible tirepr essur efo rone tire.
Maximum loadonone tire: maximu mloa don
one tire. This iscalcu lated bydividing themaxi‐
mum axleload ofone axle bytwo.
PSI (pounds persquar ein ch ):standar dunit of
meas uremen tfo rtir epr essu re.
Aspe ctratio :ra tio betwee ntire height and tire
wi dthin pe rcent .
Ti re pres sur e:press ureinsi dethetir eappl ying
an outw ardfo rc eto eve rysquar einc hof thetir e.
The tirepr essur eis specif iedinpounds per
sq uar einc h(psi), inkilopascals (kPa)or inbar .
The tirepr essur eshould onlybe cor rected whe n
th etir es arecold.
Cold tirepr essur e:thetir es arecold when the
ve hicle hasbeen parkedfo rat lea st3hou rs wit
hout direct sunli ghtonthetir es ortheve hicle
has been driven forless than 1mile (1.6 km ).
Ti re contact surface: thepar tof thetir eth at
com esintocon tact with thero ad.
Ti re bead: thepur pose ofthetir ebead isto
ensur eth at thetir esits secur elyon thewheel
ri m. Ther ear ese veralwir ecor esinthetir ebead
to preve ntthetir efrom chang inglengthon the
wheel rim.
Side wall:thepar tof thetir ebe tween thetread
and thetir ebead.
We ight ofoptiona leq uipm ent:th ecombin ed
we ight oftheop tion aleq uipment weighin gmor e
th an there placed standar dpar tsand moreth an
5 lbs (2.3kg ).This optional equipment, suchas
high-per form anc ebr ak es, leve lcon trol system, a
ro of lugg agera ck orhigh-per form anc ebat teries,
is no tincluded inthecurb weight andthewe ight
of theaccessor ies.
TIN (Tire Identif ication Numbe r):auni que
ident ificat ion numb erwhic hcan beused bya
tir ema nuf actu rerto ident ifytires, forex am ple,
in apr oduc tre cal l,and thus iden tifyth epur‐
ch aser s.The TINismade upofthemanuf actur‐ er's
identit ycode, tiresize, tiretype code and
th emanuf acturingdate.
Load-bear inginde x:theload-bear inginde xis a
code that con tains themaximum load-bearing
capacity ofatir e.
Tr actio n:traction isthegr ip resulting from fric‐
tion between thetir es and thero ad sur face.
We arindi cator:nar row bars(tr ead wearbar s)
th at aredis tribut edove rth etir econ tact surface.
If th etir etread isleve lwit hth ebar s,thewe ar
limit of1/ 16 in(1.6 mm) hasbeen reac hed.
Dis tribut ionofvehicl eoc cupants: distribu tion
of vehicle occupants over designat edseat posi‐
tion sin ave hicle.
Maximum permissible payload weight :nom i‐
nal load andluggageload plus150lb (68 kg)
multip liedby thenumber ofseats intheve hicle. Wheels
andtires 34
9

Cha
nging awheel No
teson selecting, installing andreplac ing
tir es Yo
ucan askforinf ormation rega rding permitted
wheel/ tirecom binat ionsatan aut hor ized
Mer cede s-Ben zCent er. &
WARNIN GRisk ofacci dent dueto inc or‐
re ct dimensi onsofwhe elsand tires
If whe elsand tires ofthewr ong size are
ins talled, thewheel brak es orwheel suspen‐
sion componen tsma ybe damag ed. #
Alw aysre place wheels andtires wit h
th ose that fulf illthespecif ication sof
th eor iginal part.
When replacing wheels, makesur eto fit th e
cor rect:
R Desi gnati on
R Mod el Whe
nre placing tires, mak esur eto ins tallth e
cor rect:
R Desi gnati on
R Manuf actu rer
R Model &
WARNIN GRisk ofinju rythro ugh exceed‐
ing thespecif iedtireload rating orthe
per missible speedrating
Ex cee ding thespecif iedtireload rating or
th eper missible speedrating mayle ad totire
da ma geand tothetir es bur sting. #
Ther efor e, onl yuse tiretypes andsizes
appr ovedfo ryo ur vehicle model. #
Obser vethetir eload rating andspee d
ra ting requ ired foryo ur vehicle. *
NO
TEVehicle andtiredamag eth ro ugh
tir etyp esand sizes that have notbe en
ap prove d Fo
rsaf etyre ason s,on lyuse tires, wheel s
and accessories whic hha ve been speciall y
appr ovedby Mer cedes-Ben zfo ryo ur vehicle.
These tires arespecially adaptedto thecon ‐
tr ol systems, suchas ABS ,ES P®
and
4MA TIC,andmarkedas follo ws :
R MO =Mer cedes-Ben zOr iginal
R MOE =Mer cedes-Ben zOr iginal Extended
(r un-f lattireonl yfo rcer tain wheels)
R MO1 =Mer cedes -Benz Original (onlycer ‐
ta in AMG tires)
Cer tain charact eristic s,suc has han dling,
ve hicle noise emissions, fuelconsum ption,
et c. ma yot her wise beadv ersel yaf fect ed.
Fu rther mor e,other tiresizes could result in
th etir es rubbing agains tth ebody andaxle
com ponen tswhen loaded. Thiscould result
in damag eto thetir eor theve hicle. 350
Wheels andtires

Obser
vethefo llo wing when selecting,ins talling
and replacing tires:
R Onlyuse tires and wheels ofthesame type
(summer tires, wint ertires, MOEx tende d
tir es) and thesame make.
R Onlyins tallwheels ofthesame sizeonone
axle (leftand right).
It is onl yper missible toins talla dif fere nt
wh eelsi ze intheeve ntofaflat tirein order
to drive to thespecialis two rkshop.
R Onlyins talltir es ofthecor rect size ontoth e
wheels.
R Vehicl eswith atir epr ess uremonit oring
sy stem: Allinstalled wheels mustbe equip‐
ped withfunc tioningsensorsfo rth etir e
pr essur emonit oring system.
R Attemp eratur esbelo w45 °F(7°C), usewin‐
te rtir es orall-seaso ntir emar kedM+S forall
whee ls.
Wi nter tires bearing the004D snowflak esym‐
bol inaddition totheM+S marking prov ide
th ebes tpossible grip inwintr yro ad con di‐
tio ns. R
ForM+S tires, only usetires wit hth esame
tr ead.
R Obser vethemaximum permissible speedfor
th eM+S tires installed.
If th is isbelo wtheve hicle's maximum speed,
th is mus tbe indic ated byan appr opriate
label inthedr iver's field ofvision.
R Break inne wtires atmoder atespeeds for
th efirs t60 miles(1 00 km) .
R Replace thetir es afte rsix yearsat thelat est,
re ga rdless ofwe ar.
R Wh enreplac ingwith tires that donotfe a‐
tur eru n-flat charact eristics :ve hicles with
MOExt ended tires areno teq uipped witha
TIREFIT kitatthefa ct or y. Eq uip th eve hicle
wit haTIREFIT kitafte rre placing withtir es
th at do notfe atur eru n-f latch aract eristic s,
e.g .wint ertires.
Fo rmor einf ormation onwhee lsand tires, con‐
tac ta qu alif ied spec ialistwo rkshop.
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(/ page33 1) R
Tire and Loadi ngInfo rm atio nplacar d
(/ page33 8)
R Tire size designation, load-bearing cap acity,
spe edrating andload index(/ pag e345)
R Tire pressur eta ble (/ page333 ) No
teson rotat ing whee ls &
WARNIN GRisk ofinju rythro ugh differ‐
ent whee lsizes
Int erch ang ingthefront and rear wheels ifth e
wheels ortires have differe nt dimens ions
ma yse verely im pair thedr iving charact eris‐
tic s.
The wheel brak es orwheel suspension com ‐
pon entsma yalso bedamag ed. #
Rotate front and rear wheels onlyifth e
wheels andtires areof thesame dimen‐
sions. 352
Wheels andtires

*
NO
TEDama gedue toinc orrect refrig er‐
ant If
anon-appr ovedre frig er ant isuse d,thecli‐
mat econ trol system maybe damag ed. #
Onlyuse there frig er ant R‑134a *
NO
TEDama getotheclimat econ trol
sy stem due toinc orrect refrig er ant com‐
pr essor oil #
Onlyuse refrig er ant com pressor oilthat
has been approvedby Mer cedes-Ben z. #
Donotmix theappr ovedre frig er ant
com pressor oilwithadif fere nt refrig er‐
ant com pressor oil. Wo
rkon theclimat econ trol system maybe car‐
ri ed out onlyby aqu alif ied spec ialistwo rkshop.
All appli cable regulations, aswellas SAEstand‐
ar dJ63 9,mus tbe adher edto.
The instruction labelontheclimat econ trol sys‐
te m forth ere frig er ant type andthere frig er ant
com pressor oilisloca tedon theinside ofthe
hood. 1
Hazar dand service warning symbols
2 Refrig er ant filling capac ity
3 Applic ablestandar ds
4 PAGoil par tnum ber
5 GWP(Global Warming Potential) ofthere frig‐
er ant used
6 Refrig er ant type
Symbo ls1 warnofthefo llo wing:
R Possible dangers
R The need tohave ser vice workcar ried out at
a qu alif ied spec ialistwo rkshop only Re
frig er ant filling capacity
Fi lling capacityforre frig er ant and PAGoil Model
Refrig er ant
Mer cedes- AMGGTR
Ro ads ter 22.6
±0.4 oz
(6 40 ±10 g) Model
PAGoil
Mer cedes- AMGGTR
Ro ads ter 4.2
±0.4 oz
(1 20 ±10 g) Ve
hicl edata Ve
hicl edimens ions The
heightsspeci fied mayva ry as are sult ofthe
fo llo wing fact or s:
R Tire s
R Load
R Conditio nof thesuspension
R Option aleq uipment 368
Tech nica lda ta

Re
versege ar
Eng aging ....... .......................................124
Rims (Care) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>307
Ro adside Assistan ce ....... .......................... 21
Ro cking free .............................................1 25
Ro llaw ay protection
see HOL Dfun ction
Ro ute ...... .......................................... 229,231
Ca lcul ating ............ .............................. 229
Displ aying destination informatio n...... 231
Plann ing.............................................. 226
Selec tingatype .................................. 229
Selec tingan alternat ive ro ute .............. 231
Sel ect ing notificat ions.........................2 30
Selecti ngoptions ................................ 230
St artin gth eaut omatic service sta‐
tio nsear ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 231
Swi tching theaut omatic gasst atio n
sear chon/of f...................................... 231
Using automatic gasst atio nsear ch..... 231
Wi th intermediat edes tination s...........2 26
Ro uteguidanc e...... ................................. 232
Ca nceling ............................................235
Cha nging direction .............................. 233 Des
tination reac hed ........................ .... 234
Fr om anoff-r oad location .................... 236
Lane recomme ndations <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 233
No tes .................................................. 232
Of f-road .......................................... ..... 236
To an off-ro ad des tinatio n.............. .....2 35
Ru n-f lat charact eristics
MOExt ended tires ....... ......................... 313 S
Saf etysy stems
see Drivin gsaf etysy stem
Sat ellit emap ............................................ 245
Sat ellit era dio
Ac tivati ng/d eactiv ating TuneS tart ....... 291
Ad ding ach ann elto Smar tFa vorite s ... 291
Dele tingach ann el...............................2 90
Displ aying EPG informatio n............ .....2 90
Displ aying service informatio n.............2 91
Inf ormation ..................................... .....2 88
Inf ormatio nabo utSmar tFa vorite s
and TuneS tart <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 291
Log ging in<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 288
Mo ving ach ann el................................ 290 Music
andspor taler tsfun ction .......... 290
Ov ervie w .............................................2 89
Pa use and playbac kfun ction ...............2 91
Re strictions <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .............288
Sele cting acat ego ry<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 289
Sel ecti ngach ann el.............................2 90
Se tting musicand spor tal er ts ....... ..... 290
Se tting thepar entalcon trol ................. 290
St or ing ach ann el................................ 290
Swit ching on .......................................2 88
SD card
Inser ting/r emoving .............................275
Seat ............................................................ 77
4-w aylumbar support...........................8 0
Ad jus ting (electr ica lly)............ ...............79
Co rrect driver's seat position ................7 7
Oper ating thememor yfunc tion .............8 7
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 77
Se tting options <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 14
Swi tching AIRSC ARFon/of f<0011001100110011001100110011001100110011001100110011001100110011
00110011> 83
Se at belt <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 33
Ca re <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 310
Fa stening ............................................... 36
Pr otect ion ..............................................3 3 Inde
x455

Tr
ans ferring toAndr oid Au to ................ 261
Tr ans ferring toApp leCa rPlay®
............ 261
Tu rning radius ...................................... 368
Ve hicle height ...................................... 368
Ve hicle length...................................... 368
Ve hicle width................................. ...... 368
We ight s...............................................3 69
Whee lbase ....... ................................... .368
Ve hicl edata stor ag e
Ev ent datare cor der s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 28
Mu ltimed iasystem/Mer cedesme
con nect .................................................2 8
Ve hicl edimens ions...... ...........................368
Ve hicl eiden tificati onnumber
see VIN
Ve hicl eiden tificati onplat e...... ..............360
Pa int code ...........................................3 60
VIN ..................... ................................. 360
Ve hicl eke y
see Smar tKey
Ve hicl emaint enance
see ASSYSTPL US Ve
hicl eoper ation
Outsi detheUS Aor Canada ...................2 1
Ve hicl eto ol kit .........................................3 14
TIREFIT kit............................................ 314
To wing eye ....................................... ....3 27
Ve ntilat ing
Con venie nce openi ng <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...72
Ve nts
see Airvents
Vi deo mode <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> ...........280
Ac tivati ng ........... ................................. 277
Ac tivati ng/d eactiv ating full-scr een
mod e........... ........................................279
Ov ervie w .......................................... ... 279
Se ttings <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 280
VIN <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 360
Ide ntif ication plat e <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 360
Sea t<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 360
Wi ndsh ield <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>360
Vi sion
Re mo ving condensation from the
windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 106 Vo
ice comm andtypes(Voice Contr ol
Sy stem) .................................................... 185
Vo ice Contr olSy stem .............................. 184
App licati onspe cificvoice com mand s
.. ...........................................................1 85
Au dible helpfunctions.........................1 85
Gl oba lvo ice com mand s...................... 185
Im prov ing speec hqu alit y.....................1 85
Langu agese tting ................................. 185
Media playervo ice com mand s............ 193
Messag evo ice com mand s...................1 94
Multifunction steer ing wheel (operat‐
ing) ...................................................... 184
Na vig ation voice com mand s................ 187
Oper ablefunctions .............................. 185
Oper ating safety .................................. 183
Ra dio voice com mand s........................ 191
Swi tchvo ice com mand s...................... 186
Te lephon evo ice con trols .....................1 91
Te xt mes sage voice com mand s...........1 94
Ty pes ofvoice com mand s...................1 85
Ve hicle voice com mand s.....................1 95
Vo ice prom pting .................................. 184
Vo ice contr olsystem
see Voice Cont rolSy stem Inde
x463