Page 350 of 470

Un
ifor m Tire Quality Grading Standar ds:a
unif orm standar dto grade thequ alit yof tires
wit hre ga rd totrea dqu alit y,tiretracti onand
te mp eratur ech aract eristic s.The qualit ygr adin g
asses smentismade bythemanuf acturerfollo w‐
ing spec ificat ions from theU. S. government. The
qu alit ygr ade ofatir eis im print ed on theside
wa llof thetir e.
Re comm endedtir epr essu re:th ere comme n‐
ded tirepr ess ureis thetir epr essur especif ied
fo rth etir es mount edtotheve hicle atthefa c‐
to ry.
The tireand information table con tains there c‐
omme ndedtirepr ess ures forcold tires, themax‐
imum permissible loadandthemaximum per‐
missible vehicle speed.
The tirepr essur eta ble con tains there comme n‐
ded tirepr ess ures forcold tires under various
oper ating condit ions,i.e.loading and/orspeed
of theve hicle.
Incr eased vehicl ewe ight duetooptiona l
eq uip ment :th ecombin edweight ofall standar d
and optio nal equipme ntavailable forth eve hicle, re
ga rdless ofwhe ther itis actually installed on
th eve hicle ornot.
Rim: thepar tof thewheel onwhic hth etir eis
ins talled.
GA WR (Gross AxleWe ight Ratin g):th eGA WR
is themaximum permissible axleload. The
actual loadonanaxle mustne verexc eed the
gr os saxle weight rating .The gross axlewe ight
ra ting canbefound ontheve hicle identif ication
plat eon theB‑pillar onthedr iver's side.
Speed ratin g:thespeed rating ispa rtof thetir e
identif ication .It specif iesthespeed rang efo r
whic hatir eis appr oved.
GV W(Gr oss Vehicl eWe ight ):th egr oss vehicle
we ight comprises thewe ight oftheve hicle
including fuel,tools, thespar ewheel, accesso‐
ri es installed, occupant s,lugg ageand thetrailer
dr aw bar nose weight ,if applicable. Thegros s
ve hicle weight mustno texc eed thegr oss vehicle
we ight rating GVWR asspecif iedontheve hicle
identif ication plateon theB‑pillar onthedr iver's
side.
GV WR (Gross Vehicl eWe ight Ratin g):th e
GV WR isthemaximum permitt edgross weight of
thefully laden vehicle (weight oftheve hicle
including allaccessor ies,occupants, fuel,lug‐
ga ge and thetrailer draw bar nose weight ifappli‐
cable). Thegros sve hicle weight rating issp eci ‐
fi ed on theve hicle identif ication plateon the
B‑pil laron thedr iver's side.
Maxim umweight ofthelad envehicl e:the
maximu mwe ight isthesum ofthecurb weight
of theve hicle, thewe ight oftheaccessor ies,the
maximu mloa dand thewe ight ofoption aleq uip‐
men tins talled atthefa ct or y.
Kilop ascal(kP a):metric unit fortir epr essu re.
6.9 kPacor responds to1psi .Ano ther unit for
tir epr es su re isbar .10 0kilop ascal(kP a)equals
1 bar .
Lo ad inde x:inadd ition totheload-bear ing
inde x,theload indexma yalso beimprint ed on
th eside wallof thetir e. This specif iestheload-
bear ingcapacity ofthetir emor epr ecisel y.
Cur bwe ight :th ewe ight ofave hicle withstand‐
ar deq uipme ntinc ludin gth emaximum capacity
of fuel, oiland coolant .It also includes theair
con ditionin gsy stem and option aleq uipment if 34
8
Wheels andtires
Page 351 of 470

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
Page 363 of 470
Ve
hicle identif ication plate(Canada only)
1 Perm issible gros swe ight
2 Perm issible front axle load
3 Perm issible rear axle load
4 Paint code
5 VIN (vehicle identificat ion numb er)
The permissib legross vehicle weight ismade up
of theve hicle weight ,all vehicle occupants, the
fuel andtheload. Themaximum gross axle
we ight rating isthemaximum weight that can be
car ried on one axle (front orrear axle ).
Ne verexc eed theper missible gross vehicle
we ight orthemaximum gross axle weight rating
fo rth efront orrear axle . VIN
infront oftheright- hand front seat 1
Imprint ed VIN (vehicle identification number )
2 Floor covering VIN
atthe lowe redg eof the winds hield 1
VIN (veh icleidenti ficati onnumb er)aslabel Te
ch nica lda ta 36
1
Page 371 of 470
Opening
height Model
1 1
Opening height
Mer cedes-
AMG GTR
Ro ads ter 70.3
in(178 6mm) Ve
hicl edimens ions Mer
cedes- AMG GTRRo ad‐
st er
Ve hicle length1 79.7in
(4565 mm)
Ve hicle widthincluding out‐
side mirrors 81
.7 in
(20 75mm)
Ve hicle widthexc luding out‐
side mirrors 78
.6 in
(1 996 mm)
Ve hicle height 49.5in
(1 256 mm)
Wheelbase 103.5 in
(2630 mm)
Tu rning radius 37.63 ft
(1 1. 47 m) We
ight sand loads Please
observethefo llo wing notesfo rth especi‐
fi ed vehicle data:
R Items ofoptional equipment increase the
curb weight andreduce thepa yload.
Ro ofload Mod
el Maximumroof load
Mer cede s-AMG GTR
Ro ads ter 0
lb (0 kg) Maximum
designspeeds The
follo wing values onlyappl yto vehicles with
th eAMG Driver's Packag e.
Ma xim um desi gnspee ds Mer
cedes -AMG GTRRo ad‐
st er
1s tge ar 45mph(7 3 km/h)
2nd gear 65mph(1 04 km/h) Te
ch nica lda ta 369
Page 386 of 470

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Fron tPassenger Airbag
En abled SeeOperator' s
Manual *T
hefront passeng erairbag andknee airbags areenabled whiletheve hicle isin mo tion:
R evenwh en ach ild, asmall adultoran obje ctwe ighin gless than thesy stem weight thre shold islocat edon the
fr ont passeng ersea t
R evenwh en thefront passeng erseat isno toccupied
The system mayde tect obje ctsorforc es that areaddin gto thewe ight applied totheseat. &
WARNIN GRisk ofinju ryor fata linj uryif ach ild restra int system isused while thefront passeng erfront
airbag isenabled
If yo usec ureach ild inach ild restra int system onthefront passeng erseat andthefront passeng erairbag is
enabled, thefront passeng erairbag candeplo yin theev ent ofan acciden t.
The child could bestru ck bytheairbag. #
Ensur e,bo th bef oreand during thejour ney,that thest atus ofthefront passeng erairbag iscor rect.
NEVER useare ar wa rdfacing child restra int onaseat protect edbyan ACTIVE AIRBAGinfront ofit,DE ATHor
SERIOU SINJU RYtotheCH ILD can occur . #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
Checkth est atus oftheaut omatic front passeng erairbag actuation (/page43). #
Ifneces sary,consu ltaqu alif ied spec ialistwo rkshop immediat ely. 38
4
Displa ymessag esand warning/ indic ator lam ps