2021 MERCEDES-BENZ GT COUPE engine

Electr
icpa rking brak e Electr
icpar king brak efunct ion(app lying
aut omat ically) &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunsuper visedintheve hi‐
cle, they cou ld,in pa rticular :
R Open doors,ther 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 Chang eth etransmission position.
R Startth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Keep theSmar tKey out ofreac hof chil‐
dr en. The
elect ric pa rking brak eis applied ifth etra ns‐
mission isin position 005Dand one ofthefo llo w‐
ing con dition sis fulf illed:
R The engin eis switc hedoff.
R The seat belttongu eis no tins ertedin the
seat beltbuckleofthedr iver's seat andthe
dr iver's door isopened.
% Toprev ent application: pullthehandle ofthe
electr icpar king brak e.
In thefo llo wing situat ions,th eelectr icpar king
br ak eis also applied:
R ActiveDis tance AssistDIS TRONI Cis bring ing
th eve hicle toast ands till.
R The HOL Dfun ction iske eping theve hicle sta‐
tio nar y. R
ActivePa rking Assistis ke eping theve hicle
st atio nary.
This isthecase ifone ofthefo llo wing condition s
is also fulfilled:
R The engin eis switc hedoff.
R The seat belttongu eis no tins ertedin the
seat beltbuckleofthedr iver's seat andthe
dr iver's door isopened.
R Ther eis asy stem malfunct ion.
R The powe rsupp lyis insuf ficie nt.
R The vehicle isstatio naryfo ra lengt hyper iod.
When theelectr icpar king brak eis applied, the
re d0049 (USA)or0024 (Canada) indicatorlam p
lights upintheins trument cluster.
The electr icpar king brak eis no taut omaticall y
applied ifth eengine isswitc hedoffby theEC O
st ar t/ stop funct ion. 11
8
Driving and parking

R
ABS preve nts thewheels from locking .
The brak es will func tion asusual onceyo u
re lease thebr ak epedal. BASis dea ctivated. Fu
nctions ofESP ®
(Electr onicStabil ityPro‐
gr am) &
WARNIN GRisk ofskid ding ifESP ®
is
mal functi oning
If ESP ®
is mal functi oning,ESP ®
canno tcar ry
out vehicle stabiliz ation.Inaddit ion,ot her
dr iving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have ESP ®
ch eckedat aqu alif ied spe‐
cialis two rkshop. Yo
ucan selectbetween thefo llo wing modes of
ES P®
:
R ESP®
ON
R ESP®
SPO RT
R ESP ®
OFF Ch
arac terist ics when ESP®
is activ ated
ES P®
mon itor sand improv es driving stabilit yand
tr act ion,par ticular lyin thefo llo wing situat ions:
R When pulling away on awe tor slip pe ry road.
R When brakin g.
ES P®
can stabiliz eth eve hicle byinterve ning in
th efo llo wing ways:
R One ormor ewheels arebr ak ed.
R The engine outputisadap tedaccor dingto
th esituation .
ES P®
is activ ated everytime theengine isstar‐
te dre ga rdless ofwhe ther ESP®
wa sin ESP ®
SPOR Tor deactiv ated bef oreth eengine was
switc hedoff.
If th e00E5 ESP®
wa rning lam pflashes inthe
ins trumen tclus ter,one orseveralve hicle wheels
has reac hed itsgrip limit :
R Adaptth edr iving style to suit thepr ev ailin g
ro ad and weather condition s.
R Donotdeac tivateES P®
unde ran ycir cum ‐
st anc es. R
Onlydepr esstheaccelera torpeda las faras
is necessar y.
Cha racter istics ofESP ®
SPOR T &
WARNIN GRisk ofskid ding ifESP ®
SPOR Tis us ed incor rectly
Whe nyo uact ivat eES P®
SP OR T,ther eis an
incr eased risk ofskidding andhaving anacci‐
dent. #
ActivateESP ®
SPO RTonlyin thecir‐
cums tances descr ibed below. When
ESP®
SPOR Tis activ ated, the00BB and
Æ warning lam pslight upcon tinuousl yin the
ins trumen tclus ter.
Sel ect ESP ®
SPOR Twh en theve hicle's own
ove rste er ing and under steer ing charact eristic s
ar edesir ed,e.g.on desig natedroads.
Dr ivin gwit hES P®
SPO RTorwit hESP ®
deactiv a‐
te dre qu ires an extreme lyqu alif ied and exper i‐
enc eddriver . 12
2
Driving and parking

%
IfAc tiveBr ak eAssi stisdeact ivat ed, the
00D4 symbol appearsinthest atus barofthe
multifu nctiondisplay. Speed
controlcruise contr ol Fu
nction ofcruise contr ol
Cr uise controlre gulat esthespeed totheva lue
selec tedby thedr iver .
If yo uacc elerat eto ove rtak e, forex am ple, the
st or ed speed isno tdele ted. Ifyo ure mo veyour
fo ot from theacceler ator pedal afte rove rtakin g,
cr uise control will resume speed regulation back
to thestor ed speed.
Cr uise controlis oper ated using thecor respond‐
ing steer ing wheel buttons. Youcan stor ean y
speed above19 mp h(30 km/h) uptothemaxi‐
mum design speed.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 120).
Di spla yson themu ltifunct iondisp lay
R h (gra y): cruise contro lis selec tedbut
no tye tacti vated. R
h (green): cruise control isactiv e.
A stor ed speed appear salong withth eh dis‐
pla y.
% The segment sbe tween thestor ed speed and
th eend ofthesegment displaylight upin
th espeedome ter.
Sy stem limit s
Cr uise control ma ybe unable tomaint ainthe
st or ed speed onuphill gradients. Thestor ed
speed isresumed whenthegr adient evensout.
Ch ang eint oalowe rge ar ingood timeon long
and steep downhill gradients. Take par ticular
no te ofthis when drivin galaden vehicle. By
doing so,youwill mak euse ofthebr aking effect
of theengine. Thisrelie vesth eload onthebr ak e
sy stem and preve nts thebr ak es from overheat‐
ing and wearing tooqu ickl y.
Do notus ecr uise contr olinthefo llo wing situa‐
tion s:
R Intraf fic situ ations whichrequ ire freq uent
ch ang esofspee d,e.g .in hea vytraf fic, on
wi nding roads. R
Onslippe ryroads. Accel erati ng can cause
th edr ive wheels tolose tract ion and the
ve hicle could then skid.
R Ifyo uar edr ivin gwhen visibilit yis poor .
Ope ratin gcr uis eco ntr ol &
WARNIN GRisk ofacci dent dueto stor ed
speed
If yo ucall upthestor ed speed andthis is
lo we rth an your cur rent spe ed,th eve hicle
deceler ates. #
Take intoacc ount thetra ffic situat ion
bef orecallin gup thestor ed speed. Re
quirement s:
R ESP®
mus tbe act ivat ed, but notint erve ning .
R The vehicle speed isat leas t15 mp h
(20 km/ h).
R The transmis sionisin positio n005B. Dr
iving andparking 12
7

means
ofsaf egua rding theve 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 ewhe nyo u
lea vetheve hicle
If th eve hicle isonl ybr ak ed withth eHOLD
func tion itcould, inthefo llo wing situat ions,
ro llaw ay:
R Ifth er eis amalfunct ioninthesy stem or
in thepo we rsupp ly.
R Ifth eHOLD function isdeactiv ated by
depr essing theaccelera torpeda lor brak e
peda l,e.g. byave hicle occupant. #
Alw ayssecur eth eve hicle agains tro ll‐
ing away bef oreyo ulea veit. 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 isshif tedto position 005D.
R The vehicle issecur edwithth eelectr icpar k‐
ing brak e.
In thefo llo wing situat ions,th eve hicle isheld by
tr ans missi on positio n005D and /or bytheelectr 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. Dr
iving andparking 13
3

%
RACE STAR Tis only available afte rth eve hi‐
cle has been brok en in(/ page95).
% 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 ®
(/ page12 2). &
WARNIN GRisk ofskid ding and having
an acci dent from whe elsspi nning
If yo uuse RACE STAR T,dependin gon the
ESP ®
mod esel ect ed,th er eis an incr eased
ri sk ofskidding andhaving anaccident. #
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 thedr iver's door isclosed.
R theengine isrunning andthetra nsmiss ion
and engine areat nor mal oper ating temp era‐
tur e. R
thefront wheel isin thest ra ight -ahead posi‐
tion .
R theve hicle ison leve lgr ou nd .
R theve hicle isstatio nary,thebr ak epedal is
depr essed (leftfo ot )and thepar king brak eis
re leased.
R thetra nsmiss ionisin position 005B.
R one ofthedr ive pr ogr ams C, Bor
I isselect ed(/ page10 5). #
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 gearshif tpaddles .The segm
entsin themultifunc 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 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.
% Afterusi ng itse veraltim esinshor tsucc es‐
sion ,RA CE STAR Tis una vailable untila cer ‐
ta in dis tance hasbe en driven. 13
4
Driving and parking

Fu
nction oftheAMG steer ing-wh eelbuttons The
AMG steer ing-wheel buttons aretw oaddi‐
tion alcon trol 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®
(/ page12 2)
R AMG adaptivespo rtsuspension system
(/ page13 6) R
AMG Perfor mance exhaus tsy stem
(/ page10 1)
R ECO star t/ stop funct ion(/ page10 0)
R Manua lge arshif ting(/ page11 0)
R AMG Dynamics(/ page 105)
R Rear wing (/page13 5)
R Front and rear vie wcam era(/ page14 0)
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 on2 remains
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 ogr ams
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 og ram = (Individual)
(/ page10 5). Re
ar wing Fu
nction ofthere ar wing
The rear wing improve sth eve hicle's driving sta‐
bilit yand automat icallyre tracts andextends
wh ile th eve hicle isin mo tion.
Ve hicles withth eAMG Aerodynamic package are
eq uipped withafixe dre ar wing .
De pen dingon whic hdr ive pr ogram hasbeen
selec ted, there ar wing automat icallyex tends at
a spe edgrea terth an 44 mph(70 km/h).
Depending onthedr ive pr og ram, there ar wing
aut omat icallyre tracts below asp ee dof approx ‐
imat ely50 mph(80 km/h).
Yo ucan retract and extend there ar wing man‐
uall yfo rclea ning (/page13 5).
Ext endi ngand retracti ngthe rear wing for
clean ing &
WARNIN GRisk ofbeco ming trap ped
whe nyo uex tend and retract there ar
wing manually
Pa rts of thebody could become trapped. Dr
iving andparking 13
5

tio
nto this rest area. This function can beact iva‐
te dand deactiv ated inthemultimedia system.
If AT TENTION ASSISTis deactiv ated, theÛ
symbol appearsin theassis tance grap hicin the
Ins trument Displaywhen theengine isrunning .
AT TENTION ASSISTis activ ated aut omaticall y
when theengine isre-sta rted. The lastselect ed
sensit ivityleve lre mains stor ed.
Sy stem limit s
AT TENTION ASSISTis activ ein the37 mph
(60 km/ h)to 124mp h(2 00 km/h) speedra ng e.
The func tional ity ofATTENTION ASSISTis
re strict ed, and warnings maybe dela yedor not
occ uratall inthefo llo wing situat ions:
R Ifyo uha ve been driving forless than appr ox‐
imat ely30 min utes.
R Ifth ero ad con dition ispoor (unevenro ad
sur face orpotholes).
R Ifth er eis ast ro ng side wind.
R Ifyo uadop ta spor tydrivin gst yle (high cor‐
ner ing speeds orhigh ratesof acceler ation).
R Ifth etime hasbeen setincor rectl y. R
Ifyo uch ang elane sand vary your spee dfre‐
qu ent lyIn activ edr iving situation s.
The ATTENTION ASSISTtir edness oraler tness
assessment isdele tedand restar tedwhen con‐
tin uing thejour neyin thefo llo wing situat ions:
R Ifyo uswit choffth eengine.
R Ifyo uunf astenyo ur seat beltandopen the
dr iver's door (e.g.chang ingdriver sor taking
a br ea k).
Se ttin gAT TENTI ONASSIST
Multimedia system:
4 Vehicle 5
k Assist ance
5 ATTE NTION ASSIS T
Se tting options #
Select Standard, SensitiveorOff.
Sugg esting are st area #
Select SuggestRes tArea. #
Activate0073 ordeacti vate thefunc tion 0053.
If AT TENTION ASSISTde tects fatig ue or
incr easing lack ofatt ention ,it sugg ests a
re st area inthevicinit y. #
Selec ta sugg estedre st area: youar egui‐
ded totheselect edrest area. Blin
dSpo tAssis t Fu
nction ofBlind SpotAssis t
At speeds aboveappr oximat ely18 mp h
(30 km/ h),Blind SpotAss istuses twolat eral,
re ar-facin gra dar sensor sto monit orthear ea up
to 10 ft(3 m) behind your vehicle anddirectl y
ne xt to your vehicle. Below18 mp h(30 km/h),
th esy stem isno tactiv eand vehicles inthemon‐
it or ing rang ear eno tde tected.
If Bli nd Spo tAssi stisact ivat ed, thewa rning
lam pin theex terior mir rorlig hts upyello wat
speeds ofup to18 mp h(30 km/h). Atspeeds
abo veappr oximat ely18 mp h(30 km/h), the
wa rning lam pgoes outand BlindSpo tAss istis
opera tional.
If ave hicle isde tected within themonit oring
ra ng eat spe edsab ove 18mp h(30 km/h), the
wa rning lam pin theex terior mir rorlig hts upred.
If ave hicle isde tected clos eto your vehicle in
th elat eral monit oring rang eand youswit chon
th etur nsignal indicat orinthecor responding Dr
iving andparking 14
3

Ins
trum ent Disp layove rview 1
Speedo meter
The segment son thespeedome terindica te
th est atus ofthefo llo wing systems: cruise
con trol/limit er/Active Dis tance Assist
DIS TRONI C
2 Outside temp eratur e
3 Digit alspeedome ter 4
Gear displa y
5 Time
6 Multi-valuera ng e(e xa mp le:tach ome ter):
Ta ch ome ter/N avigation /AMG TRACKPACE/
Wa rm-up /Trip com puter/G- meter/Dat e/
Engine data The
fuel supp lywil lbe interru pted toprotect
th eengine whenthere dmar kon theta ch ‐
ome ter(o ve rrev ving rang e) isreac hed.
7 Inde xpoin ts
8 Coolan tte mp eratur edispla y
The coolant temp eratur edispla yis per mitt ed
to rise to248°F during normal oper ation. Ins
trument Displayand on-bo ardcom puter 14
7