2020 MERCEDES-BENZ GT R ROADSTER Owner's Manual

3
ActiveDis tance AssistDIS TRONI Cacti ve,
speed stor ed, novehicle detected (gray vehi‐
cle symbol)
4 ActiveDis tance AssistDIS TRONI Cacti ve,
speed stor ed, vehicle detected (green vehi‐
cle symbol)
Speedome ter
The stor ed speed ishighlight edon thespeedom‐
et er.If th espeed oftheve hicle infront isless
th an thestor ed speed, thesegment sin the
speedome terlig ht up. The deactivation ofActive
Dis tance AssistDIS TRONI C,as wellas altera‐
tion sto thestor ed speed andthedis tance tobe
maint ained, aredispla yedin thecon trol feed‐
bac kof themultifunc tiondispla yon asing leline. Fu
nction ofHill StartAss ist Hill
StartAs sis tholds theve hicle fora shor t
time when pulling away on ahill under thefo l‐
lo wing condition s:
R The transmissio nis in posit ion005Bor005E.
R The elect ric pa rking brak eis released. This
gives youen ough timeto mo veyour foot
fr om thebr ak epedal totheaccelera torpeda l
and depr essitbef oreth eve hicle begins toroll
aw ay. &
WARNIN GRisk ofacci dent andinjury
due totheve hicle rolling away
Af tera shor ttime, HillStartAs sis tno longer
holds theve hicle anditcan rollaw ay. #
Ther efor e, swif tly mo veyour foot from
th ebr ak epedal totheacceler ator
pedal. Neveratt em pttolea vetheve hi‐
cle ifit is being heldbyHillSt artAs sis t. HOLD
functi on HOLD
functi on
The HOL Dfun ction holds theve hicle atast and‐
st ill wit hout requ iring youto depr essthebr ak e
pedal, e.g.while waitin gin traf fic.
The HOLD functionisonly anaid. The responsi‐
bility forth eve hicle safely standi ngstill remains
wit hth edr iver . Sy
stem limit s
The HOL Dfun ction isonl yint end edtoprov ide
assis tance when drivi ng and isno ta su fficien t
mean sof saf eguar dingtheve hicle agains tro lling
aw ay when statio nary.
R The incline mustno tbe great erthan 30%.
Ac tiv atin g/deac tivatin gthe HOL Dfun ction &
WARNIN GRisk ofan acci dent dueto the
HOLD functio nbei ng activ ated whe nyo u
lea vetheve hicle
If yo ulea vetheve hicle while onlyth eHOLD
func tion isbraking theve hicle, theve hicle
can rollaw ay inthefo llo wing situat ions:
R Ifth er eis amalfunct ioninthesy stem or
in thepo we rsupp ly.
R Ifth eHOLD function isdeactiv ated by
depr essing theacceler ator pedal orbrak e
pedal, e.g.byave hicle occupant. #
Alw aysdeactiv ateth eHOLD function
and secur eth eve hicle agains tro lling
aw ay bef orelea ving theve hicle. Dr
iving andparking 15
1

*
NO
TEDama gefrom automatic braking If
one ofthefo llo wing functionsis switc hed
on, theve hicle brak es aut omatically incer‐
ta in situat ions:
R ActiveBr ak eAssi st
R ActiveDis tance AssistDIS TRONI C
R HOLD functio n
R ActivePa rking Assist
To avo iddamag eto theve hicle, deactiv ate
th ese systems inthefo llo wing orsimilar sit‐
uation s: #
Dur ing towing #
Inacar wash Re
quirement s:
R The vehicle isstatio nary.
R The driver's door isclosed ortheseat belton
th edr iver's side isfastened.
R The engine isrunning orhasbe en automati‐
cally switc hedoffby theEC Ostar t/ stop
funct ion. R
The electr icpar king brak eis released.
R ActiveDis tance AssistDIS TRONI Cis de acti ‐
va ted.
R The transmis sionisin position 005B,005Eor005C.
Ac tiv atin gthe HOL Dfunc tion #
Dep ress thebr ak epedal andafte ra shor t
time quickl ydepr essfurther until the00D9
displa yappear sin themultifunc tiondispla y. #
Release thebr ak epedal.
Deactiv atingtheHOLD function #
Depr esstheacceler ator pedal topull away.
or #
Depr essthebr ak epedal untilthe00D9 dis‐
pla ydisappear sfrom themultifunc tiondis‐
pla y.
The HOLD functionisdeactiv ated inthefo llo w‐
ing situat ions:
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d.
R The transmission isswitc hedtoposition 005D.R
The vehicle issecur edwithth eelectr icpar k‐
ing brak e.
In thefo llo wing situat ions,th eve hicle isheld by
th etra nsmiss ionposition 005Dorby theelectr ic
par king brak e:
R The seat beltisunf astened andthedr iver's
door isopened.
R The vehicle isswitc hedoff.
R Ther eis amalfunction inthesy stem orthe
po we rsupp lyis insuf ficie nt. RA
CE START Fu
nction ofRA CE START
RA CE STAR Tena bles optima lve hicle acceler a‐
tion from ast ands till.Fo rth is, asuit ablyhigh-
gr ip road sur face isrequ ired, thetir es and vehi‐
cle mus talso beingood condition.
% RACE STAR Tis only available afte rth eve hi‐
cle has been brok en in(/ page111 ). 15
2
Driving and parking

%
RACE STAR Tma yno tbe used on nor mal
ro ads. RACE STAR Tmu stonl ybe activ ated
and used ondedicat edrace circui ts, noton
pu blic roads.
Be sureto read thesaf etyno tesand infor‐
mation onESP ®
(/ page14 0). &
WARNIN GRisk ofskid ding and having
an acci dent from whe elsspi nning
Whe nyo uuse RACE STAR T,indiv idual wheels
could spinandyouco uld lose contro lof the
ve hicle.
Depending ontheES P®
mode selected,ther e
is an incr eased risk ofskidding andhaving an
accident. #
Mak esur eth at no per son sor obs tacles
ar ein theclose vicinit yof your vehicle. Ac
tiv atin gRA CE STAR T
Re quirement s:
R The door s,thehood andthetrunk lidare
closed. R
The engine isrunning andthetra nsmiss ion
and engine areat nor mal oper ating temp era‐
tur e.
R The steer ing wheel isin thest ra ight -ahead
posit ion.
R The vehicle ison leve lgr ound.
R The vehicle isstatio nary,thebr ak epedal is
depr essed (leftfo ot )and thepar king brak eis
re leased.
R The transmiss ionisin posit ion005B.
R One ofthedr ive pr ogr ams C, Bor
I isselect ed(/ page12 1). #
Rapidl ydepr esstheacceler ator pedal fully.
The engine speedincreases.
% Ifth eactiv ation conditions areno tfulf illed,
RA CE STAR Tcanno tbe acti vated. The RACE
STA RTNot Possible SeeOperator 'sManual
messag eappear sin themultifunc tiondis‐
pla y. #
The RACE START Release braketostart mes‐
sag eappear sin themultifunc tiondispla y. %
Inthis phase youcan adjustRA CE STAR T
de pendi ng on thero ad con dition s:youcan
va ry theengine speedbypulling onone of
th esteer ing wheel paddle shifters.The seg‐
ments inthemultifunc tiondispla yflic ke r
ra pidly .
% Ifth ebr ak epedal isno tre leased afte ra
shor twhi le,RACE STAR Tis cance led. The
RAC ESTAR TCa ncel edmes sage appear sin
th emultifunc tiondispla y. #
Take your foot offth ebr ak e, but keep the
acc elerat orpedal depresse d.
The vehicle pullsaway atmax imum acceler a‐
tio n.The RACE STARTActivemes sage
appear sin themultifunc tiondispla y.
RA CE STAR Tis de acti vatedwhen theve hicle rea‐
ch es aspeed ofappr oximat ely31 mp h
(50 km/ h).
RA CE STAR Tis de acti vatedimmediat elyif yo u
re lease theacceler ator pedal during RACE
ST AR Tor ifan yof theactiv ation conditions are
no long erfulf illed. TheRACE STARTCanceled
messag eappear sin themultifunc tiondispla y. Dr
iving and parking 15
3

%
Afterusi ng itse veraltim esinshor tsucc es‐
sion ,RA CE STAR Tis una vailable untila cer ‐
ta in dis tance hasbe en driven. Tr
actio nco ntr ol Fu
nction oftraction control &
WARNIN GRisk ofskid ding ifESP ®
is
dea ctivated
If yo udeac tivateES P®
,ES P®
can notcar ry
out vehicle stabiliz ation. #
ESP®
shoul don lybe deactiv ated inthe
fo llo wing situat ions. Ad
jus table traction control isused toenhanc e
per form anc eon ara ce trac kand isonly activa‐
te dwhen ESP®
is deactiv ated. Youcan adjust
th eleve lof assis tance from tracti oncontr oland ,
in do ing so,adjus tth ebalance between stabilit y
and agilit ygr aduall ywhile accelerating .
Tr act ion control suppo rts yo uon lyin me tering
th eengine output. AsESP®
is deactiv ated, ESP® does
notst abiliz eth eve hicle ifth eve hicle star ts
to skid.
% Deactiv atingESP®
and using adjustable trac‐
tion control requ ires ahighl yqu alif ied and
ex per ienced driver .
Ad jus table traction control ma yno tbe used
on nor mal roads. Adjus table traction control
ma yonl ybe activ ated and used ondedica‐
te dra ce circui ts, noton public roads.
Be sureto read thesaf etyno tesand infor‐
mation onESP ®
(/ page14 0).
Ad jus tingtrac tio nco ntr ol
Re quirement s:
R ESP®
is deact ivat ed. The 00BB andESP OFF
wa rning lam pslight upintheins trument
clus ter(/ page14 2).
Yo ucan adjustth eleve lof assis tance from trac‐
tio ncontr oland ,in do ing so,adjus tth ebalance
be tween stabilit yand agilit ygradually while
acc elerating .
Ta ke thefo llo wing parame ters int oacc ount :
R current road con dition s
R type oftireused R
road charact eristic s
R tirecon dition ,suc has temp eratur eor we ar
R person aldrivin gst yle Dis
play butt on1 showsthecur rent tracti on
contr olleve lwit han LEDsegme ntdispla y. #
Toinc rease orreduce theleve lof assis tance
fr om tracti oncontr ol,tur ncontr ol2 clock‐
wise orcoun ter-cloc kwise.
Disp lay bu tton 1 and theins trument cluster
sho wthese tle ve l.
If th edispla ybutt onsho wsleve l1 wit honl y
one LEDsegme ntlitup, traction control is
deact ivat ed (OFF ).Ifleve l9 is sho wnand all 15
4
Driving and parking

LED
segments lightup, traction controlis
pr ov iding themaximum leve lof assis tance
(ON ).
If yo uact ivat eES P®
,th eleve lof assis tance from
tr acti oncontr oliscontr olled au tomatical ly.Dis‐
pla ybutt on1 then sho wsthecur rent drive pr o‐
gr am . Fu
nction oftheAMG steer ing-wh eelbuttons The
AMG steer ing-wheel buttons include two
additional control element son thesteer ing
wheel. Yo
ucan assig ntw ove hicle functionsofyour
ch oice tothelef tcon trol element .Yo ucan
ch ang ebe tween theav ailable function sby
pr essing displaybutt ons 2repeat edly.The cur‐
re ntly select edfunc tions aredispl ayed indispla y
butt ons 2.
The follo wing functionsar eav ailable:
R ESP®
(/ page14 0)
R AMG adaptivespo rtsuspension system
(/ page15 7)
R AMG Perfor mance exhaus tsy stem
(/ page11 6)
R ECO star t/ stop funct ion(/ page11 5)
R Manua lge arshif ting(/ page12 6)
R Front and rear vie wcam era(/ page16 1)
If yo uha ve assig nedafun ction toone ofdispla y
butt ons 2,youcan oper ateth is func tion with
cor responding button1.
The assignment ofdispla ybutt ons 2remains
st or ed eve naf te ra ne wengine star t,but the
oper ating status ofthere spectiv efunction is
re se tto thebasic setting. Yo
ucan chang ebe tween thedr ive pr og rams
wit hstabiliz erbar actuat or3. The selec ted
dr ive pr og ram app earsin disp lay butt on4. By
pr essing display butt on4, youcan direct ly
acc ess thedr ive pr ogr am = (Individua l)
(/ page12 1).
If adj ustable traction control isactiv ated, set
po we rassi stanc ein inc rements using stabiliz er
bar actuat or3 (/ page15 4). Re
ar wing Ad
jus tingthe fixe dre ar wing
Re quirement s
A soc ketwr enc hand are leasable, medium-
st re ngt hbo ltlock areto hand.
The rear wing improv es there ar axle output and,
th er efor e, theve hicle's driving stabilit y.Yo ucan
mo vethere ar wing intoan incline dand aflat
posit ion.
When youmo vethere ar wing intoth einclin ed
position ,th ere ar axle output and theair resis t‐
ance increase. Dr
iving andparking 15
5

#
Unscr ew bolts 1withasoc ketwr enc h. #
Tilt th ere ar wing asfaras itwil lgo, upw ards
int oan inclined position, ordown wardsint oa
fl at posit ion. #
Equip bolt s1 withare leasable, medium-
st re ngt hbo ltlock and tighten them.
Specif iedtight ening torq ue: 7.5 lb-f t
(1 0 Nm) . Ac
tiv eaer ody nami csprofile Fu
nction oftheact ive aer odyn amics profile
The active aer odynam icsprofile islocat edon the
und erbody ofthefront sect ionand, toget her wit
hth efixe dre ar wing ,op tim izesth eve hicle's
aer odynamics.
Depending onthedr ive pr og ram sele cted and
th edr iving speed, theactiv eaer odynamics pro‐
fi le will automat icallyex tend orretract.
Yo ucan also extend and retract theactiv eaer o‐
dynamics profile manuall yfo rclea ning
(/ page15 6).
Ex tending andretracti ngthe activeaer ody‐
namic spr ofile forcl ean ing &
WARNIN GRisk ofbeco ming trap ped
whe nyo ure tract theactiv eaer odynam‐
ics profile manuall y
When youre tract theactiv eaer odynamics
pr ofile manuall y,body partsma ybecome
tr apped. #
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. #
Ifsomeon ebecomes trapped during
re tracti onoftheactiv eaer odynamics pr
ofile, press thedispla ybutt onagain
immediat ely.
The activ eaer odynamics profile will
th en extend again. Re
quirement s:
R The transmission hasbeen shiftedto the
par kposition 005D.
R The ignit ionisswitc hedon. 15
6
Driving and parking

#
Toextend/r etra ct:pr ess thedispla ybutt on
1. Notethere strict ed grou nd clearance
whe nth eactiv eaer odynamics profile is
ex tende d.
The activeaer odyn amicspr ofile extends to
its maxim umorretracts complet ely.
Dis play butt onsymbol 2and itscolor indi‐
cat eth efo llo wing positionsoftheaer ody‐
namics profile:
R Aerodynamics profile retract ed(blue)
R Aerodynamics profile extende din differ‐
ent position s(red)
R Aerodynamics profile isex tendi ng or
re tracti ng(gray)
If yo upr ess displ aybutt on1 again during
th eex tensi on proce ss,theaer odynamics
pr ofile will retract once more.Ifyo upr ess
displ aybutt on1 again during there tracti on
pr oce ss,theaer odynamics profile will extend
once more.
% Ifyo upull away wit hth eactiv eaer odynam‐
ics profile extende d,theactiv eaer odynam‐
ics profile will automaticall yre tract. Always no
te there strict ed grou nd clearance when
th eactiv eaer odynamics profile isex tende d. AM
Gadap tivespo rtsuspension system Fu
nction ofAMG adaptive spor tsusp ension
sy stem
AMG adaptivespor tsuspen sionsystem isan
electr onicall ycon trolled damping system for
im prov ed driving comfortand increased driving
saf ety.
The dam ping isadjus tedindividually toeac h
wheel anddepends onthefo llo wing fact or s:
R thedr iving style, e.g. spor ty
R thero ad con dition ,e.g .bum ps
R theindividual selectionofthedr ive pr ogr am:
A (Comf ort), C (Sport)or B (Sport
+)
% The setting can also besetusing the
DY NA MIC SELE CTswitc h.To do this, the
same suspension setting mustbe select ed
fo rAMG adaptive spor tsuspen sionsystem
and theDY NA MIC SELE CTswitc h. %
When theve hicle isstar tedag ain, the"Com‐
fo rt"se tting isact ivat ed aut omat ically.
Selec tingtheAMG adaptiv espor tsusp en‐
sion system setting
Yo ucan selectfrom thre edif fere nt suspe nsion
se ttings :
R COMF ORT ensuresa comf ortable suspen‐
sion setting. Select this suspen sionsetting if
yo upr efer aco mf ortable driving style.
R SPOR Tensur esafirm ersuspension setting.
Select this suspen sionsetting when employ‐
ing aspor tydrivin gst yle, e.g. onwinding
count ryroads.
R SPOR TPL US ensures ave ry firm suspension
se ttin g. Dr
iving andparking 15
7

#
Press displa ybutt on1.
The displa ybutt onsho wscurrentl ysel ect ed
su spe nsion setting 2:
R ä C(blue) :CO MF ORT
R ä S(yello w): SPOR T
R ä S+(red): SPOR TPL US The
select edsuspension settin gis sho wnin
th emultifunc tiondispla yas amessag e:
R AMG Suspension SystemCOMFORT
R AMG Suspension SystemSPORT
R AMG Suspension SystemSPORT+ Pa
rking Assis tPA RK TRONI C Fu
nction ofParking Assis tPA RK TRONI C Pa
rking AssistPA RK TRONI Cis an elec tron ic
par kingassi stanc esy stem withultr asound. It
monit orsth ear ea around your vehicle using mul‐
tiple sensor s1 onthefront bum perand onthe
re ar bum per.Pa rking AssistPA RK TRONI Csho ws yo
uth edis tance betwee nyo ur vehicle anda
de tected obs tacle visually and audibly .
Pa rking AssistPA RK TRONI Cis on lyan aid. Itis
no ta subs titutefo ryo ur att entio nto thesur‐
ro und ings.The responsibili tyforsaf emaneu ver‐
ing and parking remains withyo u. Mak esur e
th at ther ear eno per sons, animals orobjec tsin
th emaneuv ering area while maneuv ering and
par king in/exitingpar king spaces. Pa
rking AssistPA RK TRONI Cwa rning displa y(v ehi‐
cles without front and rear vie wcam era) 15
8
Driving and parking