weight MERCEDES-BENZ GT R ROADSTER 2020 Owner's Manual

#
The entir ebase ofthech ild restra int
sy stem mus talw aysre st on thesitt ing
sur face ofthefront passeng erseat. #
The backres tof thefo rw ard-f acin gch ild
re stra int system mus t,as faras possi ‐
ble, beresting ontheseat backres tof
th efront passeng erseat. #
Alw ayscom plywit hth ech ild restra int
sy stem manuf acturer'sinstallation
ins truct ions . A
per son onthefront passeng erseat must
obser vethefo llo wing informatio n:
R Fasten seat belts correctl y(/ page 33).
R Sitinan almos tupr ight seatposi tion with
th eir bac kag ains tth eseat backres t.
R Sitwithth eir feet resting onthefloor ,if pos‐
sible.
The front passeng erairbag mayot her wise be
disabl edbymis take ,fo rex am ple inthefo llo wing
situat ions:
R The front passen gertr ansf ersth eir weight by
suppor tingthemselv eson ave hicle armr est. R
The front passeng ersits insuc hawa yth at
th eir weight israised from thesitt ing sur‐
fa ce. &
WARNIN GRisk ofinju ryor deat hdue to
deactiv ated front passeng erairbag
If th ePA SSENGER AIRBAGOF Find icat or
lam pis lit,th efront passeng erairbag isdisa‐
bled. Itwill notbe deplo yedin theeve ntof
an acci dent and canno tpe rfor m its intended
pr otect ive func tion.
A per son inthefront passeng erseat could
th en, forex am ple, com eint ocon tact with
th eve hicle interior ,especially ifth eper son is
sitt ing tooclose tothecoc kpit.
If th efront passeng erseat isoccupied,
alw aysensur eth at:
R The classificat ion oftheper son inthe
fr ont passeng ersea tis cor rect and the
fr ont passeng erairb agisenabl edordisa ‐
ble din accordance withth eper son inthe
fr ont passeng ersea t. R
The front passeng ersea thas been moved
as farbac kas possi ble.
R The person isseat edcor rectl y. #
Ensu re,bo th bef oreand during thejour‐
ne y,that thest atus ofthefront
passeng erairbag iscor rect. If
th efront passeng erseat isoccupied, theclas‐
sif ication oftheper son orchild restra int system
on thefront passeng erseat take splace afte rth e
fr ont passeng erairb agshut offself-t est.The
PA SSENGER AIRBAGind icat orlam psdispl aythe
st atus ofthefront passeng erairbag.
Alw aysobser vetheno teson thefunc tion ofthe
PA SSENGER AIRBAGind icat orlam ps
(/ page43). 42
Occupan tsaf ety

#
Alw aysst ow object sin suc hawa yth at
th ey canno tbe tossed about inthese or
similar situation s. #
Alw aysmak esur eth at obj ect sdo not
pr oject from stow agespac es,parcel
ne ts or stow agene ts. #
Close theloc kable stow agespac es
bef orest ar tin gajo ur ne y. #
Alw aysst ow and secureobj ect sth at
ar ehea vy,har d,poin ted, shar p-edg ed,
fr agile ortoolarg ein thetrunk . &
WARNIN GRisk ofburning from theta il‐
pipe ortailpipe trim
The tailpipe andtailpipe trim can becom e
ve ry hot.Ifyo uco me intoco ntact withth ese
car parts,youco uld burnyo urself . #
Alw aysbe par ticular lycareful whenin
th evicinit yof theta ilpipe andtailpipe
tr ims and super visechildr envery
clos elywhe nin this area. #
Beforean ycon tact, allo w thecar parts
to cool down. The
drivi ng charact eristic sof your vehicle are
dependent onthedis tribution oftheload within
th eve hicle. Yousho uld bear thefo llo wing in
min dwhen loading theve hicle:
R neverex ceed theper missible gross mass or
th egr oss axle weight rating forth eve hicle
(including occupants). Thevalues arespec i‐
fi ed on theve hicle identif ication plateon the
ve hicle's B-pillar.
R position heavyloads asfarfo rw ards asposs i‐
ble and aslow do wn inthetrunk aspossible.
R theload mustno tpr otru de abo vetheupper
edg eof theseat backres ts.
R alwaysplace theload behind unoccupied
seats ifpossible.
R secur eth eload withsuf ficie ntlyte ar-resis t‐
ant and wear-resis tant tie downs .Pa dshar p
edg esforpr otect ion. St
ow agespace sin theve hicl eint erior Ov
ervie wof thefront stowage com part‐
men ts 1
Stow agecom partment inthedoor s
2 Stow agecom partment beneathth ear mr est
wit hmultimedia connect ionunit withan SD
car dslo t,tw oUSB connect ions andtheigni‐
tion lock
Depen dingontheeq uipment, ther eis a12 V
soc ketin thestow agecom partment
3 Stow agecom partment inthefront cent er
con sole withaUSB connect ion
4 Glovebox Seats
andstow ing 89

To
wing theve hicl ewith both axle son the
gr ound #
Obser vetheno teson theper mitt edtowing
me thods (/page32 4). #
Mak esur eth at thebatt eryis con nect edand
ch arge d.
Obser vethefo llo wing pointswhen thebatt eryis
disc harged:
R The engin ecann otbe star ted
R The electr icpar king brak ecann otbe
re leased orapplied
R Vehicl eswith automatic transmiss ion:
The automatic transmiss ioncanno tbe shif‐
te dto position 005Cor005D.
% Vehicl eswith automatic transmiss ion:If
th eaut omatic transmiss ioncann otbe shif‐
te dto position 005C,orthemultifunc tiondis‐
pla yin theins trument clusterdoes notsho w
an ything, have theve hicle transpor tedaw ay
( / pag e326). Atowing vehicle withlifting
eq uipment isrequ ired forve hicle transpor ta‐
tio n. *
NO
TEDama gedue totowing away at
exc essiv elyhigh speeds orove rlong dis‐
ta nces The
drivet ra in could bedamag edwhen tow‐
ing atexc essiv elyhigh speeds orover long
dis tances. #
Atowing speed of30 mph(50 km/h)
mus tno tbe exc eeded. #
Atowing distance of30 miles(50 km)
mu stnotbe exc eeded. &
WARNIN GRisk ofacci dent whento wing
a ve hicle whichis toohea vy
If th eve hicle being tow- star tedor towe d
aw ay ishea vier than theper missible gross
mass ofyour vehicle, thefo llo wing situat ions
can occur:
R The towing eyema ybecome detach ed.
R The vehicle/tr ailercombination may
sw erve oreve nov ertur n. #
Ifano ther vehicle istow- star tedor
to we daw ay,its weight mustno texc eed th
eper missible gross mass ofyour ow n
ve hicle. If
ave hicle mustbe tow- star tedor towe daw ay,
its per missib legross weight mustno texc eed the
per missible gross weight oftheto wing vehicle. #
Information ontheper missible gross mass of
th eve hicle canbefound ontheve hicle iden‐
tif ication plate(/ page360). #
Vehicl eswith automatic transmiss ion:Do
no topen thedr iver's door orfront passeng er
door ,ot her wise theaut omatic transmiss ion
aut omaticall yshif tsto position 005D. #
Installth eto wing eye(/ page32 7). #
Fasten theto w bar .
* NO
TEDama gedue toinc orrect connec‐
tion oftheto w bar #
Onlyconnect theto w rope ortow bar to
th eto wing eyes. #
Deact ivat eth eaut omatic locking mechanism
(/ page61 ). Br
eakdo wnassis tance 32
5

Count
ryRadio type approval number
US AF CCID:MRXGG4 T
FCC ID:MRXD G6W2D4
FCC ID:MRXM C34MA4
This devic eco mp lies withPa rt15
of theFCC Rules. Opera tionis
subje ctto thefo llo wing twocon ‐
dition s:
(1) This device mayno tcause
har mful interfere nce, and
(2) Thisde vice mustacc eptan y
int erfere nce recei ved, includin g
int erfere nce that ma ycaus e
unde sired oper ation. Load
ingtheve hicl e No
teson Tire and Loading Information plac‐
ar d &
WARNIN GRisk ofacci dent from overloa‐
ded tires
Ov erloaded tires ma yove rheat and burstas a
con sequenc e.Ov erloaded tires can also
im pair thesteer ing and handling charact eris‐
tic sand lead tobrak efa ilur e. #
Obser vetheload-bear ingcapacity of
th etir es. #
The load-bear ingcapacity mustbe at
leas thalf thegr oss axle weight rating of
th eve hicle. #
Neverove rload thetir es by exc eeding
th emaximum load. The
Tire and Loadi ngInfo rm atio nplacar dis on
th eB-pillar onthedr iver's side oftheve hicle. 1
Tire and Loadi ngInfo rm atio nplacar d 338
Wheelsand tires

%
The datasho wnintheillus tration isexam ple
dat a.
The Tire and Loadi ngInfo rm atio nplacar dsho ws:
R Maximum numberofseats 2accor dingto
th emaximum numberofpeople permitt edto
tr ave lin theve hicle.
R Maximum permissible load3com prises the
gr os swe ight ofall vehicle occupants, load
and luggage. R
Recomme ndedtirepr ess ures 1 forcold
tir es. The recomme ndedtirepr ess ures are
va lid forth emaximum permissible loadand
up tothemaximum permissible vehicle
speed.
Please alsonote:
R Information onper missib lewe ight sand loads
on theve hicle identif ication plate
(/ page360).
R Information ontirepr essur ein thetir epr es‐
sur eta ble (/ page333).
Fu rther relat ed subje cts:
R Determ inin gth emaximum permissible load
(/ page339)
R Noteson tirepr essur e(/ page33 1). De
term ining thema xim um permis sible load The
follo wing steps have been developed as
re qu ired ofall manuf acturersunder Title 49,
Co de ofU.S. Feder alRe gulations, Part57 5pur‐
sua nttothe"N ational Traf fic and MotorVe hicle
Saf etyAc tof 1966". #
Ste p1: loca tethest at emen t"The combined
we ight ofocc upant sand cargoshould never
exc eed XXX kgorXXX lbs." ("The combined
we ight ofocc upant sand cargoshould never
exc eed XXX kgorXXX lbs.") onyour vehicle's
Ti re and Loadi ngInfo rm atio nplacar d. #
Ste p2: determ ine thecombin edweight of
th edr iver and passeng ersth at will betravel‐
ing inyour vehicle. #
Ste p3: subtr act thecombin edweight ofthe
dr iver and passeng ersfrom XXX kgor
XXX lbs. #
Ste p4: there sulting figur eeq uals theper‐
missible cargoand luggageload capacity .Fo r
ex am ple: If"XXX "eq uals 1400 lbs and ther e
ar efive occupant sin your vehicle witha
we ight of150lbs eac h,themaximum cargo
and luggageload capacity is650 lbs(1,400 -
75 0(5 x15 0) =650 lbs). #
Ste p5: determ ine thecombin edweight of
lugg ageand cargothat theve hicle willbe
car rying. Forsaf etyre ason s,this we ight may
no tsaf elyexc eed theav ailable cargoand lug‐
ga ge load capac itycalc ulatedinstep 4. Wheels
andtires 339

Ev
en ifyo uha ve cal cul ated thetot alload care‐
full y,yo usho uld still mak esur eth at themaxi‐
mum permissible gross mass andthemaximum
gr oss axle weight rating ofyour vehicle areno t
exc eeded. Details can befound ontheve hicle
identif ication plate. #
Have your loaded vehicle –including driver ,
occupants andload –we ighed onave hicle
we ighbr idge.
The measur edvalues mayno texc eed the
maximu mper missi blevalues stat ed on the
ve hicle identif ication plate. Fu
rther relat ed subje cts:
R Calculation exam ple forde term inin gth emax‐
imum load(/page340)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page33 8)
R Tire pressur eta ble (/ page333 )
R Vehicle identif ication plate Calculation
exam ple forde term ining the
ma ximum load The
follo wing table showsexam ples ofhowto
cal cul ateto ta land load capac itieswithva rying seatin
gcon figur ations anddiffere nt num bers
and sizes ofocc upant s.The follo wing exam ples
use amax imum loadof1500 lbs (680 kg).This
is forillus tratio npur pos esonly.Mak esur e
yo uar eusin gth eactual loadlimit foryo ur vehi‐
cle stat ed on your vehicle's Tire and Loadi ng
In fo rm atio nplacar d(/ page33 8).
The high erthewe ight ofall theoccupant s,the
smaller themaximum loadforlug gage .
Ste p1 Ex
am ple 1E xamp le2
Combine dmaxim umweight ofocc upant sand
load (datafrom theTire and Loadi ngInfo rm atio n
placar d) 15
00 lbs (680 kg)1 500lbs(680 kg) 34
0
Wheels andtires

Ste
p2 Ex
am ple 1E xamp le2
Nu mb erofpeople intheve hicle (driver and
occupants) 51
Dis trib uti on oftheoccupant sF ront:2
Re ar:3 Fr
ont :1
We ight ofocc upant sO ccupant1:150lbs (68 kg)
Occupant 2:180lbs (82 kg)
Occupant 3:160lbs (73 kg )
Occupant 4:140lbs (63 kg)
Occupant 5:120lbs (54kg ) Occupant
1:200 lbs(91 kg )
To talwe ight ofall occ upant s7 50lbs (340 kg)2 00lbs (91 kg ) Ste
p3 Ex
am ple 1E xamp le2
Pe rm issible load(maxim umgros sve hicle weight
ra ting from theTire and Loadi ngInfo rm atio n
placar dmin usthegr oss weight ofall occ upant s)15
00 lbs (680 kg)00F8 75 0lbs (340 kg)= 75 0lbs
(340 kg) 15
00 lbs (680 kg)00F8 200 lbs(91 kg )= 13 00 lbs
(589 kg) Wheels
andtires 34
1

%
The datasho wnintheimag eis exam ple
dat a.
The TINisauniq ueiden tificat ion num berto
ident ifytires and comprises thefo llo wing:
R DOT(Depar tment ofTranspo rtation ):tir e
symb olmar ks1 indic atingth at thetir e
com plies withth ere qu iremen tsof theUS
Depar tmentof Trans portatio n.
R Man ufac tur eride ntificat ion code: manu‐
fa ctur eridentif ication code 2cont ains
de tails ofthetir emanuf acturer.Ne wtires
ha ve acod ewit htw osymbo ls.Retrea de d
tir es have acod ewit hfo ur symb ols.Further
inf ormation onretrea de dtir es (/ page 350). R
Tire size: identif ier3 descr ibesthetir e
size.
R Tire type code: tiretyp ecod e4 can be
us ed bythemanuf actureras acode to
descr ibespecif icch aract eristic sof thetir e.
R Manuf acturingdate:manuf acturingdate
5 prov ides informatio nabout theag eof a
tir e. The 1stand 2nd position sre pr esent the
cal enda rwe ek and the3r dand 4thposition s
st at eth eye ar ofman ufact ure(e. g."32 08"
re pr esent sth e32n dwe ek of2008 ). Inf
ormat iononthema xim um tireload %
The datasho wnintheimag eis exam ple
dat a.
Max imum tireload 1isthemaximum permissi‐
ble weight forwhi chthetir eis appr oved.
Do notove rload thetir es by exceed ingthespeci‐
fi ed load limit. Themaximum permissible load
can befound ontheve hicle's Tire and Loadi ng
In fo rm atio nplacar don theB-pillar onthedr iv‐
er's side (/page338). Specif
ications formaxi mum tirepr es sur e %
The data sho wnintheimag eis exam ple
dat a. 34
4
Wheels andtires

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

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