2020 MERCEDES-BENZ GT R ROADSTER Owner's Manual

When
driving onara ce trac k, mak esur eth at the
br ak efluid isno tmor eth an 12 mont hsold.
Br ak ecali per,br ak ehose sand brak eline s
Chec kth efo llo wing fordama geeac htime
bef oredr iving theve hicle onara ce trac k:
R The dustboo tson thebr ak ecaliper s
R The brak ehoses andbrak elines
Re place them ifneces sary.
Br ak eco olin g
Spe cialai rdef lect or sand chann elsareins talled
on thefront and rear axle sso that thebr ak es
ar ecooled sufficie ntly.The ysupply thebr ak e
discs withcooling air.Chec kth at they arein per‐
fe ct condi tionandcorrectl yins talled eachtim e
bef oredr ivin gth eve hicle onara ce trac k. Exces ‐
si ve wearcan becaus edbydriving overcurbs,
fo rins tance. Forth is reason ,re gular lych eck
th ey areall com pleteand installed securely.
In addi tion, checkth at theair guide platesare
seat edsecur elyand clean beforeand afte rdr iv‐
ing theve hicle onara ce trac k. Obser
vetheinf ormation onthecooling ofcom‐
ponen tswhic har esubject toloads when drivin g
on ara ce trac k(/ page 117). Wh
eelsan dtir es No
teson wheels
* NO
TERestrictions relatin gto suspension
se ttin gsand driving charact eristic s Dr
ivin gwit hwheels withdif fering dimens ions
of thefo llo wing featur escoul dlead torestric‐
tions relatin gto thesuspension settings and
dr iving charact eristic sof theve hicle:
R Diame ter
R Wheel offset #
Onlyuse thewheels prov ided by
Mer cedes- AMGforuse onara ce trac k. #
Onlyuse wheels withappr ovedge ome‐
tr y. Do
notus eslic k tires. Suspensi on and body
components mayot her wise besubject edto
exc essiv elyhigh loads. Obser
vethefo llo wing noteson chang inga
wheel:
R Chan gethewheels afte r9,320 miles
(1 5,000 km)onara ce trac kat thelat est.
R Toensur econ cent ricity and late ra ltr uenes s,
ch eckth ewheel contact surface fordama ge
when chang ingawheel. Theseshoul dalso
be meas ured intheev ent ofimbalance.
The wheel boltsaresubject edtohigh wearwhen
used onara ce trac k. To ensur eth ewheels are
bolt edsecur elyon aper manen tbasis, replace
th ewheel boltsinthefo llo wing situat ions:
R Afterapp roxima tely 620 miles(1 ,000 km) on
a ra ce trac k.
R Afterte nbo lting proce duresat thelat est.
No teson tires &
WARNIN GRisk ofacci dent from dam‐
ag ed tires
Dama gedtir es can cause tirepr essur eloss.
As are sult, youco uld lose contro lof your
ve hicle. Dr
iving andparking 11
9

#
Chec kth etir es regular lyforsigns of
dama geand replace anydamag edtires
immediat ely. Chec
kth etir es fordama geand thecor rect tire
tr ea ddep thboth bef oreand afte ruse onara ce‐
tr ac k. Onl yth en isitsaf eto drive on ara ce trac k
and onpublic roads.
As are sult ofthedr iving style and athigh ambi‐
ent temp eratur es,when driving onara ce trac kit
ma ybe neces saryto com pens atefo rth e
inc rease inpressur ein wa rm tires by releasing
air .Ev en forwa rm tires ,th especif iedtirepr es‐
sur ema yonl ybe exceed edbymax. 0.5bar.
Af terth etir es have cool eddown again, youmus t
re adjus tth etir epr essur ein accor dance withth e
specif ications inorder todrive on public roads. Sus
pens ion Sus
pens ionsettings
The fact or yse tting prov ides agood compromise
fo rdr iving onpub licroads and onara ce trac k. Ve
hicl emeasur ements
Ev en smal lch ang estothesuspension settings
alt er thedr iving charact eristic sof theve hicle. To
ensur eop timal driving charact eristic s,thespeci‐
fi ed values andtoler anc esoftheindividual sus‐
pension settings mustbe com plied with.The
dr iving charact eristic sof theve hicle mayot her‐
wise beundesir able.
Ve hicle measur ements arere qu ired inthefo llo w‐
ing situat ions:
R The vehicle height haschang edinrelation to
th eop timiz edsetting.
R The vehicle isfreq uentl ysubject edtovery
high loads, e.g.when driving overcurbs.
Ther efor e, checkth eve hicle height atregular
int erva ls and, ifnec essar y,per form vehicle
measur ements. No
teson suspension components
Despit ere gular checks,and rega rdless of
whe ther there leva nt suspe nsion com ponents
ar ein goo dcond ition, thefo llo wing compone nts
mus tbe replaced afte ra cer tain amount ofuse
on thera ce trac k:
R Whe elbol ts(/ page 119)
R Wheelhub sin clu ding thewheel bearings Ae
rodynami cco mp onent s Ac
tiv eaer ody nami csprofile &
WARNIN GRisk ofbeco ming trap ped
whe nyo ure tract theactiv eaer odynam‐
ics profile manually
When youre tract theactiv eaer odynamics
pr ofile manuall y,body partsma ybecome
tra pped. #
Ensur eth at no oneis in themo vement
ra ng eof theactiv eaer odynamics pro‐
fi le when youar ere tracti ngtheactiv e
aer odynamics profile. 12
0
Driving and parking

#
Ifsomeone becomestrappe ddur ing
re tracti onoftheactiv eaer odynamics
pr ofile, press thedispla ybutt onagain
immediat ely.
The activ eaer odynamics profile will
th en extend again. The
activeaer odyn amicspr ofile influen ces
po we routpu tat thefront axle. Thecom ponen tis
pr ogr ammed insuc hawa yth at italw aysmo ves
int oth eideal position forth espeed anddriving
situation .Do notmak ean ymanual interve n‐
tio ns.
Obs erve theadditional information onthefunc ‐
tion oftheactiv eaer odynamics profile
(/ page15 6).
Fi xe dre ar wing
% Only vehicles withth eAMG Aerodynamic
pac kage areeq uipped withafixe dre ar wing .
The vehicle isdeliv ered from thefa ct or ywi th the
fl at wing position.In order toimprove rear axle
po we routpu t,th ere ar wing canbemo vedto the
inc lined positionforra ce trac kmod e. Obs
erve theinf ormation aboutadjustingthere ar
wing andtheper mitt edtight ening torq ue
(/ page15 5). No
teson engine oil Chec
kth eengine oilleve lbef oreoper atingin
ra ce trac kmod e. DY
NA MIC SELECT switch Fu
nction oftheDY NA MIC SELECT switch Use
theDY NA MIC SELE CTswitc hto chang e
be tween thefo llo wing drive pr ogr ams:
R o (Slipp ery): optim ized pulling away and
dr ivin gch aract eristic sin wint ryand slippe ry
ro ad con dition s
R = (Individual):ind ividual setting s
R A (Comf ort): com fortable andeconomi‐
cal drivin gst yle
R C (Spor t):spor tydrivin gst yle
R B (Spor tPlus): particular lyspor tydrivin g
st yle R
I (RACE): drivin glik eon ara ce trac k
The I (RACE)dr ive pr ogr am mayno tbe
us ed on nor mal roads. I (RACE) mus ton ly
be activ ated and used ondedicat edrace cir‐
cui ts, noton public roads.
Mer cedes-AM Grecomme ndsselecting thedr ive
pr og ram A when incity traf fic or stop-and-go
tr af fic.
Depe nding onthedr ive pr og ram sele cted thefo l‐
lo wing vehicle charact eristic swill chang e:
R Drive:
- Engin eand transm issionman agemen t
- ActiveDis tance AssistDIS TRONI C
R AMG Dynamics:
- The four agilit yfun ction sBas ic,
Ad vanced ,Pr oand Master areaut omati‐
cally select eddepending onthedr ive pr o‐
gr am.
- The steer ing, shifttimin gpoint andstabi‐
lizat ionfunction sar eadap tedto the
select eddrive pr ogr am. Dr
iving andparking 12
1

-
When ESP®
is activ ated, agility function
Pr ois select edindrive pr ogr am I
RA CE. The Masterfunction isau tomati‐
cally selected when ESP®
is dea ctivated.
R Position oftheex haus tga sflaps
R Sus pen sion
R Steer ing
R Availabilit yof glide mode
R The I(RA CE)drive pr ogr am has thefo l‐
lo wing proper ties:
- The vehicle exhibits driving charact eris‐
tic ssuit edforra ce circui ts.
- Allvehicle systems aredesigned formaxi‐
mum sportiness.
- The automatic transmiss ionshiftsup
lat er.
- The chassis hasapar ticular lytig ht sus‐
pe nsi on and damp ing system.
- Glide mode isno tav ailable.
- The spor tysoun dch aract eristic ofthe
ex haus tsy stem isactiv ated. %
Youcan callupvehicle charact eristic svia
th ePe rfor mance menuintheon- boar dcom‐
put er(/ page17 4).
Yo ucan also chang eth efo llo wing vehicle char‐
act eristic susin gth ebutt ons inthecent ercon ‐
sole:
R Position oftheex haus tga sflaps
R Sus pen sion Select
ingthedr ive pr og ram #
Press DYNA MIC SELE CTswitc h1 forw ards
or bac kwards.
The selec teddr ive pr ogr am appear sin dis‐
pla y2 and inthemultifunc tiondispla yin
th eins trument cluster. 12
2
Driving and parking

Conf
iguringdrive pr og ram I Mu
ltimed iasystem:
4 Vehicle 5
e DYNA MICSELECT
5 Individual #
Select theindividual setting. Switc
hingtheoper ation feedba ckfordr ive
pr og ram on /o ff Multimedia
system:
4 Vehicle 5
e DYNA MICSELECT #
Switc hNotif ication forUser on0073 oroff0053.
When this func tion isact ive, acor responding
messag eis sho wninthemedia displaywhen
a dr ive pr og ram issele cted withth e
DY NA MIC SELE CTswitc h. Displa
yingvehicl edata Mul
timedi asy stem:
4 Vehicle 5
e DYNA MICSELECT #
Select Vehicle Data.
The vehicle datais displa yed. Displa
yingengine data Multimedia
system:
4 Vehicle 5
e DYNA MICSELECT #
Select Engine Data.
% The values forengine outputand engine tor‐
qu ema yde viat efrom thenomin alvalues.
It ems that can influen cethis are, forex am‐
ple:
R Sea leve l
R Fuelgrade
R Outside temp eratur e Au
tomatic trans mis sion E-S
ELEC Tse lect or leve r Fu
nction oftheE-SELECT selectorleve r &
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 getou tof theve hicle andbehit by
oncom ingtraf fic.
R ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,ch ildr encould alsosetth eve hi‐
cle inmo tion, forex am ple, by:
R releasing thepar king brak e.
R shif ting theaut omatic transmiss ionout of
par kposition 005D.
R star tin gth eengine Dr
iving andparking 12
3

#
Neverlea vechildr enand animals unat‐
te nde din theve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Keep theSmar tKey out ofthere ac hof
ch ildr en. &
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. Use
theE- SE LECT select orleve rto chang eth e
tr ans missi on positio n.The current trans mis sion
po sitio nis displ ayed inthemultifunc tiondispla y. 005D
Park position
005E Reversege ar
005C Neut ral
005B Drive po sitio n
En gaging reve rsege ar R #
Depr essthebr ak epedal andpush theE-
SE LECT select orleve rupw ards pas tth efirs t
point ofresis tance.
The trans mis sion positio ndispl aysho ws005E
in themultifunc tiondispla y. Eng
aging neutralN #
Depr essthebr ak epedal andpush theE-
SE LECT select orleve rup ordown tothefirs t
point ofresis tance.
The trans mis sion positio ndispl aysho ws005C
in themultifunc tiondispla y.
Sub sequently releasing thebr ak epedal will
allo wyo uto mo vetheve hicle freel y,e.g. topush
it or tow itaw ay.
If yo uwa nttheaut oma tictransm ission to
re main inne utr al005C 005C
even ifth eignit ionis
switc hedoff: #
Startth eve hicle. #
Depr essthebr ak epedal andengageneutral
005C. #
Release thebr ak epedal. #
Switc hof fth eignition .
% Ifyo uth en exitth eve hicle leaving the
Smar tKey intheve hicle, theaut omatic trans‐
mission remains inneutr al005C. 12
4
Driving and parking

Eng
aging park pos itionP #
Obs erve theno teson par king theve hicle
(/ page13 0). #
Depr essthebr ak epedal untiltheve hicle is
st atio nary. #
When theve hicle isstatio nary,press the005D
butt on.
Pa rk position isonl yeng aged when the005D
tra nsmiss ionposition displayis sho wninthe
multifu nctiondisplay. Ifno 005D transmissi on
positio ndispl ayappear s,sec ureth eve hicle
to preve ntitfrom rolling away.
Pa rk position 005Diseng aged aut omatic allyif one
of thefo llo wing condition sis me t:
R Youswit choffth eignition whentheve hicle
is statio naryand thetransmission isin posi‐
tion 005Bor005E.
R Youopen thedr iver's door when theve hicle
is statio naryor when drivin gat ave ry low
speed andthetra nsmiss ionisin position 005B
or 005E.
% Tomaneu verwit han open driver's door ,
open thedr iver's door while statio naryand eng
agetrans miss ionposit ion005Bor005E
ag ain.
Eng agin gdr ive posi tion D #
Depress thebr ak epedal andpulltheE-
SE LECT select orleve rbac kpas tth efirs t
point ofresis tance.
The trans mis sion positio ndispl aysho ws005B
in themultifunc tiondispla y.
When theaut omatic transmiss ionisin transmis‐
sion position 005B,itshif tsthege arsaut omat i‐
call y.This depends onthefo llo wing fact or s:
R The select eddrive pr ogr am
R The position oftheaccelera torpeda l
R The driving speed No
teson thedou ble-clu tchfun ction The
double- clutchfunction isactiv ewhen chang ‐
ing down inall drive pr og rams. Thedouble-
clutc hfunction reduces loadchang ere act ions
and suppo rts spor tydriving. Theacous ticper‐
cep tion ofthedouble-clutc hfunc tion chang es
depen dingon thedr ive pr ogr am. Ro
cking theve hicl efree Ro
cking theve hicle free can help tofree ave hi‐
cle that has become trapped inslush orsnow .
To rock theve hicle free, movetheE- SE LECT
select orleve rupw ards and down wardspas tth e
point ofresis tance inorde rto switc hbe tween
tr ansmission positions005Band 005E(/ page12 3).
% Thema ximu mdesign spe edwhen switching
be twee n005B and 005Eis6mp h(9 km/h) . Dr
iving and parking 12
5

Manual
gearshif ting #
Toactiv ate/ deacti vate:pr ess disp lay bu t‐
to n1.
The displ aybutt ondispla ysthecur rentl y
sel ect edgear setting 2:
R M(red): manualgearshif ting
R D(blue): automat ictrans miss ion %
Toper manen tly shif tth ege arsman uallyin
dr ive pr og ram = using thesteer ing wheel
paddle shifters,select theM (Manual) set‐
ting forth etra nsmiss ion.
* NO
TEDama getotheengine duetoshif t‐
ing uptoolat e The
automatic transmission doesnotshif tup
in manual modeeven when theengine' slim‐
iting speed isreac hed.
The fuel suppl yis int erru pte din order topre‐
ve nt theengine from overrev ving. #
Shif tup bef oreth eengine speedrea‐
ch es there dar ea intheta ch ome ter. #
Toshif tup: pull steer ing wheel paddle
shif ter2. #
Toshif tdo wn: pullsteer ing wheel paddle
shif ter1. If
th eengine speedistoohigh ortoolow, you
canno tch ang ege ar usin gth esteer ing wheel
paddle shifters.In this case, segme nts1 light
up red. Gear
shiftre comm endation The
gearshif tre comme ndation assists youin
adop tingan eco nomic aldrivin gst yle. 12
6
Driving and parking