2020 MERCEDES-BENZ GT R ROADSTER brake

Ov
ervie wof driving systems anddriving
saf etysy stems In
this sect ion, youwill find informa tionab ou t
th efo llo wing drivin gsy stems anddriving safety
sy stems:
R ABS (Anti-loc kBra king System)
(/ page13 9)
R ActiveDis tance AssistDIS TRONI C
(/ page 147)
R AMG adaptive spor tsuspen sionsystem
(/ page15 7)
R ActiveBr ak eAssi st(/ pag e14 2)
R Lane Keeping Assist(/ page16 7)
R ATTENTION ASSIST(/ page16 3)
R BAS(Bra keAssis tSys tem) (/ page13 9)
R Hill StartAs sis t(/ page15 1)
R EBD (Ele ctronic Brakefor ce Dis tribution)
(/ page14 2)
R ESP ®
(Electr onicStability Program)
(/ page14 0)
R HOLD function (/page15 1) R
Parking AssistPA RK TRONI C(/ page15 8)
R Front and rear vie wcam era(/ page16 1)
R RACE STAR T(/ page 152)
R Cruis econtr ol(/ page 145)
R Blind SpotAssis t(/ page16 6)
R Traf fic Sign Assist(/ pag e16 4) Fu
nction ofABS The
Anti-loc kBr ak eSy stem (ABS )re gulat esthe
br ak epr essur ein critical driving situation s:
R Dur ing braking, e.g.atfull brak eapplication
or insuf ficie nttiretracti on, thewheels are
pr eve nted from lock ing.
R Vehicle steer ability whilebraking isensur ed.
If ABS interve nes when braki ng, youwill feel a
pulsing inthebr ak epedal. Thepulsating brak e
pedal canbeanindicat ionofhazar dous road
con dition sand canserveas are minder totake
ex tra care while dr ivi ng. Sy
stem limit s
R ABSis act ive from speeds ofappr ox.5 mp h
(8 km/ h).
R ABSma ybe impair edorma yno tfunc tion ifa
malfunc tionhasoccurredand theye l‐
lo w 0025 ABSwa rning lam plight sup con tin‐
uousl yin theins trument clusteraf te rth e
engine isstar ted. Fu
nction ofBA S(Br akeAssis tSy stem) &
WARNIN GRisk ofan acci dent caused by
a malf unctionin BA S(Br akeAssi stSys‐
te m)
If BA Sis mal functi oning,th ebr aking distance
in an eme rgency braking situation is
incr eased. #
Depr essthebr ak epedal withfull forc e
in emer gency braki ng situa tions. ABS
pr eve nts thewheels from locking . BA
Ssu ppo rts yo ur eme rgency braking situation
wit hadditional brak efo rc e. Dr
iving andparking 13
9

%
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

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0049 (US Aonl y)
0024 (Canada only)
Turn Onthe Ignit ionto
Release theParking Brake *
The red0049 (USAonl y)or 0024 indicat orlam p(Canada only)islit.
Yo uha ve attem pte dto release theelectr icpar king brak ewit hth eignition switchedoff. #
Switc hon theignition . 37
6
Display messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0049 (US Aonl y)
0024 (Canada only)
Please Release Parking
Brake *
The red0049 (USAonl y)indicat orlam por 0024 (Canada only)indicat orlam pis flashin g.
The electric par kingbr ak eis applied whileyouar edr ivin g:
R Aco ndi tionfo rau tomatic release oftheelectr icpar king brak eis no tfulf illed (/page13 7).
R Youar eper form ing emer gency braki ng using theelectr icpar king brak e(/ page13 8). #
Che ckthat thecon ditions forau tomatic release oftheelectr icpar king brak ear efulf illed. #
Release theelectr icpar king brak emanually . Displa
ymessag esand warning/ indic ator lam ps 37
7

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0049 (US Aonl y)
0024 (Canada only)
Parking BrakeSeeOpera-
tor's Manual *
The yello w0024 indicator lam pis lit. The elect ric pa rking brak eis malfun ctionin g.
To appl y: #
Swi tchof fth eignition andturnit bac kon. #
Appl yth eelectr icpar king brak emanually (/page13 7).
If it is no tposs ibleto appl yth eelectr icpar king brak e: #
Consult aqu alif ied spec ialistwo rkshop. #
Wher enecessar y,also secureth epar kedve hicle agains tro lling away.
* The yello w0024 indicator lam pand there d 0049 (USAonl y)or 0024 (Canada only)indicat orlam par elit. The
elect ric pa rking brak eis malfun ctionin g.
To release: #
Swit choffth eignition andturnit bac kon. #
Release theelectr icpar king brak emanually (/page13 7).
or #
Release theelectr icpar king brak eaut omaticall y(/ page13 7).
If it is still no tpossible torelease theelectr icpar king brak e: #
Donotcon tinue driving under anycir cums tances. Consu ltaqu alif ied spec ialistwo rkshop.
* The yello w0024 indicator lam pis lit and there d0049 (USAonl y)or 0024 (Canada only)indicat orlam pis flashin g.
The electric par kingbr ak eis malf unctionin g.
The electric par kingbr ak ecoul dno tbe applied orreleased. 37
8
Display messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0027 (US Aonl y)
004D (Canada only)
Check BrakeFluidLevel *T
her eis insuf ficie ntbrak efluid inthebr ak efluid reser voir. &
WARNIN GRisk ofan acci dent dueto low brak efluid leve l
If th ebr ak efluid leve lis toolow, thebr aking effect and thebr aking charact eristic sma ybe impair ed. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.
Do notcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. #
Donotadd brak efluid. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.Do not
continu edr ivi ng und eranycir cums tances. #
Donotad dbr ak efluid. #
Con sult aqu alif ied spec ialistwo rkshop.
Check BrakePadsSee
Operator's Manual *T
hebrak epads have reac hed thewe arlimit . &
WARNIN GRisk ofacci dent dueto restrict ed braki ng powe r
When thebr ak epads have reac hed their wearlimit ,th ebr aking powe rma ybe restrict ed. #
Drive on car efu lly. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 38
1

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Act ive Brake Assist Func-
tions Currently LimitedSee
Operator' sManual *A
ctiv eBr ak eAssi stistemp orarily una vailable oronl ypar tiall yav ailable.
The ambie ntcon dition sar eout side thesy stem limits (/page14 2). #
Drive on.
As soo nas theambient conditions arewit hin thesy stem limits, thesy stem will become available again. #
Ifth edispla ymessag edoes notdisappear ,st op theve hicle inaccor dance withth etra ffic con dition sand restar t
th eengine.
Act ive Brak eAssist Func-
tion sLimited SeeOpera-
tor' sManual *A
ctiveBr ak eAssi stismalfun ctionin g. #
Consult aqu alif ied spec ialistwo rkshop.
PRE-SA FEInoperative See
Operator's Manual *
The PRE‑S AFE®
functions aremalfunctioning. #
Consult aqu alif ied spec ialistwo rkshop.
Mercedes meconn ect
Services LimitedSeeOper-
ator's Manual *S
ervice limited.
At leas tone ofthemain functionsof theMer cedes meconnect system ismalfunct ioning. #
Obser vetheno teson thediagnos ticsconnect ion(/ page23). #
Consult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 385

Tr
ansmis sion Di
spla ymessag es
Possible causes/conseq uencesand0050 0050
Solutions
To Deselect Por N,
Depress BrakeandStart
En gine *
Yo uha ve attem pte dto shif tth etra nsmiss ionout ofpar kposition 005Dorneutral 005Cand intoano ther tra nsmiss ion
position . #
Depr essthebr ak epedal. #
Chang eth etra nsmiss ionposition . #
Startth eengine.
Driver 'sDoor Open &
Transm issionNotinPRisk
of Vehicle RollingAway *
The driver's door isno tfully closed andtransmiss ionposition 005B,005Eorneutr al005C iseng aged. #
Engage neu tral 005D when switching offth eve hicle.
Apply Brake toShift to'R' *
Youha ve attem pte dto select transmission position005E. #
Depr essthebr ak epedal. #
Select transmiss ionposition 005E.
Only Shift to'P' when Vehi-
cle isStationary *
Pa rk position 005Dcan beeng aged onlywhen theve hicle isstatio nary. #
Tostop, depr essthebr ak epedal. #
Shif tth etra nsmiss iontopar kposition 005Dwhile theve hicle isstatio nary.
App lyBra ketoShi ftfrom
'P' *
Yo uha ve attem pte dto shif tth etra nsmiss ionout ofpar kposition 005Dand intoano ther tra nsmiss ionposition . #
Depr essthebr ak epedal. #
Select transmiss ionposition 005B,005Eorneutr al005C. Displa
ymessag esand warning/ indic ator lam ps 39
7