MERCEDES-BENZ GT R ROADSTER 2020 Owner's Manual

Dr
ivin g Swit
ching thepo we rsupp lyor ignit ionon
wit hout star ting theengine &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunat tende din theve hicle,
th ey cou ld:
R Ope ndoo rs,th er eb yendang ering other
per sons orroad user s.
R Getout and bestru ck byoncom ingtraf‐
fi c.
R Ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R Releasing thepar king brak e.
R Changing thetra nsmiss ionposition .
R Startin gth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eke ywit hyo uand lockth eve hicle. #
Keep theve hicle keyout ofreac hof
ch ildr en. Also
obser vethe"No teson pets intheve hicle".
Re quirement s:
R The Smar tKey islocat edintheve hicle and
th eSmar tKey batt eryis no tdisc harged.
R The brak epedal isno tdepr essed. #
Toswitc hon thepo we rsupp ly:pr ess but‐
to n1 once .
Yo ucan activat eth ewindshield wipers,for
ex am ple.
The powe rsupp lyis switc hedoffag ain ifth efo l‐
lo wing condition sar eme t:
R Youopen thedr iver's door .
R Youpr ess button1 twice mor e. Dr
iving and parking 10
9

#
Toswitc hon theignit ion:press butt on1
twic e.
The indic ator lam psintheins trument cluster
light up.
The ignit ionisswitc hedoffag ain ifone ofthe
fo llo wing condition sis me t:
R Youdo notst ar tth eve hicle within
15 minut es.
R The transmiss ionisin posi tion 005Dorthe
electr icpar king brak ehas been applied.
R Youpr ess button1 once .
% Youcan also switchon thepo we rsupp lyor
th eignition withth eSmar tKey intheignition
loc k(/ page111 ). St
arting theve hicl e St
arting theve hicl ewith thest ar t/s topbut‐
to n
Re quirement s
R theSmar tKey islocat edintheve hicle and
th eSmar tKey batt eryis no tdisc harged. #
Shif tth etra nsmiss iontoposition 005Dor005C. #
Depr essthebr ak epedal andpress butt on
1 onc e. #
Ifth eve hicle does notst ar t:switc hof fnon-
essential consumer sand press butt on1
once. #
Ifth eve hicle still does notst ar tand theKey
Not Detecteddispla ymessag ealso appear s in
themultifunc tiondispla y:star tth eve hicle
wit hth eSmar tKey (/ pag e111 ).
% Youcan switchoffth eengine whiledriving
by pressing button1 forabo utthre esec‐
onds orby pressing button1 thre etimes
wit hin thre esecon ds.Besureto obser vethe
saf etyno tesunder "Driving tips"
(/ page11 2).
Fu nction ofEmo tion Start #
Startth eve hicle withth est ar t/ stop butt on
(/ page11 0) andsimu ltan eouslypu llone of
th esteer ing wheel paddle shifters 1 or2.
R The idlespeed isincr eased brief lywhen
st ar tin gth eengine. 11
0
Driving and parking

R
The exhaus tga sflaps areopen ed(spo rty
ch aract eristic )(/ page11 6).
St arting theve hicl eusing theSm artK ey
Yo ucan also star tth eve hicle withth eSmar tKey
in theignition lock.The ignition lockis in the
re ar stow agespac ein thecent ercon sole. 005A
Toremo vetheSmar tKey
0047 Toswitc hon thepo we rsupp ly 0048
Toswitc hon theignition
0049 Tostar tth eengine #
Shif tth etra nsmiss iontoposition 005Dor005C. #
Depr essthebr ak epedal. #
Inser tth eSmar tKey intoth eignition lockand
tur nto keypos ition 0049. #
Ifth eve hicle does notst ar t:
R Swi tchof fconsu mersth at areno t
re qu ired.
R Remo vetheSmar tKey from theignition
loc k.
R Inser tth eSmar tKey intoth eignition lock
ag ain afte ra shor twa itin gper iod.
R Turn theSmar tKey tokeypos ition 0048.
The indic ator lam psintheins trument
clus terlig ht up.
R Turn theSmar tKey tokeypos ition 0049.
% Youcan also switchon thepo we rsupp lyor
th eignition withth eSmar tKey .Ad dition ally,
tur nth eSmar tKey tokeypos ition 0047or0048 . Br
eak ing- inno tes To
preser vetheengine during thefirs t
1, 000 miles(1 ,500 km):
R drive at varying road spee dsand engine
spee ds.
R donotdr ive fa ster than 85 mph(1 40 km/h) .
R allo w theengine toreac hamax imum engine
spee dof 4,5 00 rpm (4,500 rpm) onlybr ief ly.
R drive th eve hicle indrive pr ogr am A.
R chang ege ar bef oreth etac home terneedl eis
00C3 ofthewa yto there dar ea oftheta ch ome‐
te r.
R donotshif tdo wn age ar man uallyin order to
br ak e.
R avoidoverstra inin gth eve hicle, e.g.driving at
full thro ttle .
R donotde pres sth eaccelera torpeda lpas t
th epr essur epoint (kickdo wn).
R onlyincr ease theengine speedgradually and
acceler ateth eve hicle tofull spee daf te r
1, 000 miles(1 ,500 km). Dr
iving andparking 111

This
also applies whentheengine orpar tsof the
dr ivet ra in have been replaced.
Please alsoobser vethefo llo wing breakin g-in
no tes:
R Incer tain drivin gand drivin gsaf etysy stems,
th esensor sadjus taut omaticall ywhile acer‐
ta in dis tan ceisbei ng driven afte rth eve hicle
has been delivered orafte rre pair s.Fu llsy s‐
te m effectiv enes sis no tre ac hed untilth e
end ofthis teac h-in proce ss.
R Brak epads, brak edisc sand tires that are
eit her newor have been replaced onlyac h‐
ie ve optimum braking effect and grip afte r
se veralhundr edkilom eter sof driving. Com‐
pensat efo rth ere duced braking effect by
appl ying great erforc eto thebr ak epedal. No
teson driving &
WARNIN GRisk ofacci dent dueto
object sin thedr iver's foot we ll
Obj ectsin thedr iver's foot we llma yim pede
pedal travelor bloc kadepr essed pedal. This
jeopardizes theoper ating androad
saf etyof theve hicle. #
Stow allobj ect sin theve hicle secur ely
so that they canno tget intoth edr iver's
fo ot we ll. #
Alw aysins tallth efloor mats securely
and asprescr ibed inorder toensur e
th at ther eis alw ayssuf ficie ntroom for
th epedals. #
Donotuse loose floor mats anddonot
place floor mats ontopof one another. &
WARNIN GRisk ofacci dent dueto
uns uitable foot we ar
Oper ationof thepedals maybe restrict ed
du eto uns uitable foot we arsuc has:
R Shoes withplat form soles
R Shoes withhigh heels
R Slipper s #
When driving alwayswe arsuit able
shoe sin order tobe able tooper ateth e
pedals safely. &
WARNIN GRisk ofacci dent whenswi tch‐
ing offth eignition whendriving
If yo uswit choffth eignition whiledriving,
saf etyfun ction sar ere strict ed orno long er
av ailable. Thismayaf fect thepo we rst eer ing
sy stem and thebr ak efo rc eboos ting,fo r
ex am ple.
Yo uwill then need touse consider ablymor e
fo rc eto steer and brak e. #
Donotswitc hof fth eignition whiledriv‐
ing. &
DANG ER Risk offata linj uries due to
ex haus tga ses
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealt h
and canlead topoisonin g. #
Neverlea vetheengine running inan
encl osedspa cewithout sufficie ntventi‐
la tio n. 11
2
Driving and parking

&
WARNIN GRisk ofskid ding and ofan
acci dent dueto shif ting down onslipper y
ro ad sur faces
If yo ushif tdo wn onslipp eryro ad sur faces to
inc rease theengine braking effect, thedr ive
wheels maylose traction . #
Donotshif tdo wn onslipper yro ad sur‐
fa ces toinc rease theengine braking
ef fect. &
DANG ER Risk offata linj urydue topoi‐
sonous exhaus tga ses
If th eta ilpipe isbloc kedor suf ficie ntventil a‐
tio nis no tpo ssi ble, po isonou sex haus tga ses
suc has carbon monoxidemayent ertheve hi‐
cle. This isthecase ifth eve hicle getsst uc k
in snow ,fo rex am ple. #
Keep theta ilpipe andthear ea around
th eve hicle free from snowwhen the
engine orthest atio naryheat erareru n‐
ning . #
Ope nawi ndo won thewindw ardside of
th eve hicle toensur ean adeq uatesup‐
pl yof fresh air. &
WARNIN GRisk ofacci dent andinjury
due tobeing under theinf luence ofalco‐
hol and drugs while driving
Dr iving when under theinf luence ofalcohol
and/or drugs isan extreme lydang erous
combin ation.Even small quant ities ofalco hol
or drugs mayaf fect your reflexe s,per cep tion
and judgment.
The probabi lityofaser ious oreven fata lacc i‐
dent greatl yinc reases ifyo udr ive when
und ertheinf luence ofalcohol ordrugs. #
Donotdr ink alcohol ortake drugs while
dr iving, anddonotallo wan yone to
dr ive who hasbeen drink ing alcohol or
ta king drug s. &
WARNIN GRisk ofacci dent dueto the
br ak esy stem overheating
If yo ulea veyour foot on thebr ak epedal
when driving, thebr ak esy stem mayov er‐
heat.
This increases thebr aking distance and the
br ak esy stem mayeve nfa il. #
Neveruse thebr ak epedal asafo ot re st. #
Donotde press thebr ak epedal andthe
acc elerat orpedal atthesame time
while driving. *
NO
TEWearing out thebr ak elinings by
continu ously dep ressing thebr ak epedal #
Donotdepr essthebr ak epedal contin‐
uousl ywhils tdr iving. #
Touse thebr aking effect of theengine,
shif tto alowe rge ar ingood time. Dr
ivin gand parking 11
3

*
NO
TEDama getothedr ivet ra in and
engin ewhen pulling away #
Donotwa rm uptheengine whilethe
ve hicle isstatio nary.Pull away immed i‐
at ely. #
Avoid high engine speeds anddriving at
full thro ttle untilth eengine hasreac hed
its operatin gte mp eratur e. *
NO
TEDama getothecat alytic converter
due tonon-co mbusted fuel The
engine isno tru nning smoothly and is
misf iring.
Non-c ombus tedfuel mayge tint oth ecat a‐
lyt iccon verter . #
Onlydepr esstheaccelera torpeda l
slig htly. #
Have thecause rectif ied imme diat ely at
a qu alif ied spec ialistwo rkshop. &
WARNIN GRisk ofacci dent dueto inc or‐
re ct gearshif ting
If th eengine speedishigher than theidle
speed andyouen gage thetransmission posi‐
tion 005Bor005E, theve hicle mayacceler ate
shar ply. #
Ifyo uen gage thetransmission position
005B or005E alwaysdepr essthebr ak e
pedal firm lyand donotacc eler ateat
th esame time. Limit
edbraking effect on salt-tr eatedro ads:
R Due tosalt build-up onthebr ak ediscs and
br ak epads, thebr aking distance canincrease
consi derably orresult inbraking onlyonone
side
R Maint ainamuc hgr eat ersaf edis tance tothe
ve hicle infront
To remo vethelaye rof sal t:
R Brak eoccas ionallywhi lepa ying attentio nto
th etra ffic con dition s R
Carefull ydepr essthebr ak epedal attheend
of thejour neyand when star tin gth ene xt
jour ney Fu
nction ofrear axle steer ing Dep
endingonthespeed, rear axle steer ing
adap tsthetra ck ofthere ar axle totheposition
of thefront wheels. Toge ther wit hth esteer ing
in put ofthefront wheels, this results ingreat er
mobility andimprove dstabilit y.
Re ar axle steer ing has thefo llo wing charact eris‐
tic s:
R Reduced steer ing effort and turnin gra dius
re sulting inreduced parkingef fort
R Improve ddr iving stabilit y,e.g. onbends
R Mor edir ect steer ing resulting inim prove d
contr olof theve hicle 11
4
Driving and parking

Inf
orma tion ontheAMG ceramichigh -per‐
fo rm ance comp osit ebr ak esy stem The
brak esy stem isdesigned forhea vyloa ds.
This maylea dto noi sewhen braki ng. Thisef fect
can also occu raf te rwa shing theve hicle.
The noise depends onthefo llo wing fact or s:
R Spee d
R Brak efo rc e
R Environme ntal cond itions, e.g.te mp eratur e
and airhumidity
% Have thebr ak esy stem checkedat aqu ali‐
fi ed specialis two rkshop afte rit has been
subject edtoextreme load s. EC
Ostar t/s topfunc tion Ope
ratio nof the ECOstar t/s topfunc tion
The engineisswi tched offau tomatical lyin the
fo llo wing situat ionsifall vehicle conditions for
an aut omat iceng inestop areme t:
R Youbr ak eth eve hicle toast ands tillin trans ‐
miss ionposit ion005Bor005C. If
yo uswit chon theHOLD function intransmis‐
sion position 005Bor005C, theengine willautomati‐
call yst op inthefo llo wing situat ions:
R Youstop behind ave hicle that ispullin g
aw ay.
R Youstop atast op sign when ther eis no vehi‐
cle infront ofyou.
R Youtur nth esteer ing wheel hardat alow
speed.
% Intra nsmiss ionposition 005E,theengine is
no tswitc hedoffaut omaticall yeve nwh en
th eHOLD function isswitc hedon.
The engine isrestar tedaut omatic allyif:
R Youre lease thebr ak epedal intra nsmiss ion
position 005Bwhen theHOLD function isno t
activ eand theve hicle does notst ar tto
mo ve.
R Youshif tfr om trans mis sion position005D.
R Youre lease thebr ak epedal andtheve hicle
st ar ts to mo veon age ntle downh ill gr ad ient
at aspe edbelow 3mp h(5 km/h) .
R Youdepr esstheaccelera torpeda l. R
Youper man ently act ivat eman ualgearshif t‐
ing .
R Youpull thelef t-hand steer ing wheel paddle
shif ter.
R Anautomatic engine star tis nec essar y.
If th eengine wasswitc hedoffby theEC Ostar t/
st op funct ionand youlea vetheve hicle, awa rn‐
ing tone sou nds. TheVehicleRe adyto Driv e
Swi tch the IgnitionOff Befo reExiti ngdispl ay
messa gealso appear sin themultifunc tiondis‐
pla y.Ifyo udo notswit choffth eignition ,th e
ignit ionisaut omat icallyswitc hedoffaf te rone
minut e. Dr
iving andparking 11
5

Deact
ivat ing oract ivat ing theECO star t/
sto pfunc tion #
Press displ aybutt on1.
The displa ybutt onindicat escur rent status
2 oftheEC Ostar t/ stop funct ion:
R 00D6 OFF(red): deactiv ated
R 00D6 (green): activated
R 00D5 (yello w): inactiv e AMG
Perfor ma nce exhaus tsy stem Fu
nction oftheAMG Perfor ma nce exhaus t
sy stem
Chang ingtheposition oftheex haus tga sflaps
allo wsyouto select thesound charact eristic sof
th eAMG Perfor mance exhaus tsy stem:
R Closed exhaus tga sflaps: comfort ch aract er‐
is tic (balan ced)
R Open exhaus tga sflaps: sportycharact eristic
(po werful) Ope
ratin gthe AMGPe rfor ma nce exhaus t
sy stem #
Press displa ybutt on1.
The displa ybutt onindic ates thecur rently
sel ect edsou ndcharact eristic 2:
R Buttonsy mbo l(b lue) :ba lanced
R Butt onsymbo l(r ed ):po we rful 11
6
Driving and parking

Ra
ce trac koper ation Inf
orma tion onrace trac koper ation %
Racetrac kope ratio nis und erstood asthe
oper ation oftheve hicle inextreme situa ‐
tio ns when itis us ed on race trac ks or
closed-of ftr ac ks.
Yo ur vehicle maybe used onboth public roads
and race trac ks.The vehicle operating loads dif‐
fe rdepe nding onuse, whichrequ ire dif fering
ma intena nce interva ls.
When theve hicle isoper ated on ara ce trac k, the
com pone ntparts ar esubject tohigher loads
th an on thero ad.
To acc oun tfo rth ese loads, thefo llo wing meas‐
ur es inpar ticular areta ke nas partof themain‐
te nance interva ls:
R Chec kingand replacing individual compo‐
nen ts
R Overhauling completeassem bliesafte rspe‐
cif icper iods ofuse Ad
dition alch ecks mus talw aysbe car ried out on
th eve hicle beforeand afte reac huse onara ce‐
tr ac k.
* NO
TEDama getocom pone ntparts
th ro ugh arise intemp eratur eaf te roper‐
ation onara ce trac k Swi
tching theve hicle offdir ectl yaf te roper a‐
tion onara ce trac kcan lead toacon tinued
te mp eratur eincr ease ofthecom ponen t
par tsas are sult ofheating whiletheve hicle
is statio nary.
The com ponent partsma yth er eb ybe per ma‐
nen tly damag edinexc eption alcases. #
Donotswitc hof fth eve hicle immedi‐
at ely. Car ryout cool down laps atlow
speed withminimal brak eapplication.
Assemblies understra in, suc has the
engine andthebr aking system, cool
do wn faster this wa y. #
Alw aysallo waTr ac k-Chec kto be car‐
ri ed out atan aut hor ized Mercedes-
Benz Centerbef oreand afte ruse onthe
ra ce trac k. Mo
torspor teq uipment ,e.g. six-point seatbelts,
ar eonl yint ended foruse wher ero ad traf fic re g‐
ulations donotappl y.This also applies tomodif i‐
cations toboth thesuspension andaerodynamic
com ponen tpar ts.
Yo ucan obtain further information onser vicin g
yo ur vehicle from anaut hor ized Mercedes-Ben z
Cent er. No
teson thech aract eristics ofindi vidual
ve hicl easse mblie s Due
tospecif icvehicle operating loads inrace‐
tr ac kope ratio n,additio nal requ iremen tsmus t
be obser ved.
The follo wing vehicle assemblies areaf fect ed in
pa rticular :
R Brak esy stem
R Wheels andtires
R Suspension
R Aerodynamic componen ts Dr
iving andparking 11
7

Br
ak esy stem No
teson thebr ak esy stem
The brak esy stem ofyour vehicle isdesigned for
hea vyloads. Therefor e, ther ema ybe noise when
br aking. Theloads intheent ire br ak esy stem
whic hoccur whendriving onara ce trac kare sig‐
nif ica ntlygr ea terth an those during normal oper‐
ation.
The increased brak efo rc es and temp eratur es
when driving onara ce trac kinhe rentl yle ad to
inc reased wearofthebr ak esy stem.
Chec kth econ dition andgeome try of thebr ak e
co verpla tebef oreusing theve hicle onara ce‐
tr ac k.
Obser vetheinf ormation onthecooling ofcom‐
ponen tswhic har esubject toloads when oper‐
at ed on ara ce trac k(/ page 117).
Br aking with ABS
Re peat edhar dbr aking within theABS control
ra ng ecau ses highe rte mp eratur esinthebr ak e
sy stem than con trolled brakin gshor tly bef ore
th eABS control limit. Br
ak epad wear
The inner andouterbrak epa dsma yal so suf fer
"t aper edwear". This couldlead topoor pedal
fe el. Ther efor e, youmus talso checkth econ di‐
tion ofthebr ak epads beforeand afte ruse ona
ra ce trac kas partof ast andar dch eckfo rwe ar.
Br ak edis cs
Obse rveth einf ormation onthecooling ofcom‐
ponen tswhic har esubject tostra in inrace trac k
ope ratio n(/ page 117).
Dep endingontheve hicle's equipment, theAMG
cer amic high-per form anc ecom posit ebr akin g
sy stem isins talled inyour vehicle. Theassess‐
ment ofwe armus tth er efor ebe car ried out
using aspecial measurementprocedur e.The
br ak es aremeasur edusing thecur rent cond ition
of thecer amic composit emat erial asacr iter ia
fo rasse ssing thewe arins tead ofasses singth e
re sidua lth ickn ess.
Depe ndingon thetype ofbrak edisc, thefo llo w‐
ing arecom binat ionsused tomeasu rethewe ar
of thebr ak ediscs:
R Carbon-c eramic brak edisc: -
Visual assessment ofthebr ak edisc for
mec hanica ldama ge
- Wearmeas uremen tusin gth eindicat or
fi eld method; alternativ elyusing thePr o‐
ceq Carbo teq®
measu ring device (e.g. in
th eAMG Perfor mance Centeror atAMG
Tr ac kda ys)
R Gray cas tiron brak edisc:
- Visual check
- Crac kte st
- Wearthickn ess test
The ventil ation holeson gray cas tiron fricti on
ri ngs ofstandar dbr ak edisc sin par ticular could
bec ome blockedby brak edus t.Ther efor e, check
th eve ntil ation holesbefore usin gth eve hicle on
a ra ce trac kand clean them ifneces sary.Ifnec‐
essar y,also clean thedr illed holes.
Br ak efluid
Chec kth efo llo wing proper tiesofthebr ak efluid
bef oreeac huse onara ce trac k:
R Boil ingpoint
R Fillle ve l 11
8
Driving and parking