ABS MERCEDES-BENZ GT COUPE 2021 AMG Owner's Manual

1
003E003D Turn signal lights →
81
2 0057 Highbeam →
81
0058 Lowbeam →
80
0060 Parking lam ps →
80
3 005E Rear foglam p →
81
4 ~ Rear wing →
135
5 ÿ Coolan tte mp eratur e →
376
6 Coolan tte mp eratur edispla y →
147
7 L Distance warning →
382
8 00E9 Seatbelt →
374
9 0077 Tire pressur emonit oring system →
386
A Ù Electric po we rst eer ing →
376
B 0024 Electricpa rking brak e(yello w) →
380
C Elec tric par kingbr ak e(red) →
380
0049 USAonl y
0024 Canada only D
0075 Restra int system →
374
E Brak es (red) →
380
0027 USAonly
004D Canad aonly
F 00B6 Reser vefuel withfuel filler flap locatio n
ind icat or →
376
G Fuelleve l →
147
H ä AMGadaptivespo rtsuspension system →
382
I 003D Electrical mal functi on →
376
J 00B9 CheckEn gin e →
376
K Æ ESP®
SPO RT →
383
¤ ESP®
OFF →
383
L 0025 ABS →
383
M 00BB ESP®
OFF →
383
00E5 ESP®
→
383 At
aglanc e– Indicat orand warning lam ps 9

*
NO
TEDama getotheve hicle In
thefo llo wing situat ions,in par ticular ,th er e
is arisk ofdamag eto theve hicle:
R The vehicle becomes grounded, e.g.ona
high curb oran unpavedro ad
R The vehicle isdriven toofa st over an
obs tacle ,e.g. acurb ,spe edbump orpot‐
hole
R Ahea vyobject strike sth eunderbody or
ch assis components
In situatio nssuc has this, thebody ,th e
und erbody ,ch assis components,wheels or
tir es coul dbe damag edwithout thedamag e
being visible. Componen tsdamag edinthis
wa ycan unexpec tedly failor ,in thecase of
an acciden t,ma yno tabsorb theloads that
ar ise asintend ed.
If th eunderbody panelingisdamag ed,flam‐
mable materials suchas lea ves, grass or
twigs cancollect between theunderbody and
th eunderbody paneling.Thesematerials may
ignit eif th ey come intocont actwith hot
par tson theex haus tsy stem. #
Have theve hicle checkedand repair ed
immediat elyat aqu alif ied spec ialist
wo rkshop.
or #
Ifdr iving safetyis im pair edwhile con‐
ti nui ng your jour ne y,pull over and stop
th eve hicle immediat elyin accor dance
wit hth etraf fic condi tions,and cont act
a qu alif ied spec ialistwo rkshop. Dec
laration ofconf ormity forwi reless vehi‐
cle comp onent s
US A:"Radio based devic es ofthis vehicle com‐
ply withPa rt15 oftheFCC Rules. Opera tionis
subje ctto thefo llo wing twocon dition s:1) These
de vice sma yno tcause harmful interfere nce, and
2) The sedevice smu stacc eptan yint erfere nce
re cei ved, includin gint erfere nce that ma ycaus e
unde sired oper ation.Chan gesor modif ications
no tex pressl yappr ovedby thepar tyresponsible
fo rcom pliance could void theuser's author ityto
oper ateth eeq uipment. " Canada
:"This vehicle contains license-e xemp t
tr ans mitter( s)/r ece iver( s)that com plywit hInno ‐
va tio n,Scie nceand Econo micDe velopmen tCan‐
ada ’sRSS (s).Operatio nis subj ectto thefo llo w‐
ing twocon dition s:(1) These device sma yno t
cause interfere nce, and(2)The sedevice smu st
acc eptan yint erfere nce, including interfere nce
th at ma ycaus eunde sired oper ationof the
de vice. " Diagnos
ticsconnection
The diagnos ticsconnection isonl yint ended for
th econ nect ionofdiagnos ticdevices ataqu ali‐
fi ed specialis two rkshop. &
WARNIN GRisk ofacci dent dueto con‐
necting device sto thediagnos ticscon‐
nect ion
If yo uco nn ect devic es tothediagnos tics
con nect ionoftheve hicle, thefunc tion of
ve hicle systems andoper ating safetyma ybe
im pair ed. #
Onlyconnect theve hicle diagnos tics
conn ection todevices whichha ve been Gener
alno tes 21

#
Press emer gency key2 into theopening in
th eSmar tKey inthedir ect ion ofthear ro w
unt ilbat tery com partment cover1 opens.
When doingso,donothold batterycom part‐
ment cover1 shut. #
Remo vebatt erycom partmen tco ver1. #
Repeat edly taptheSmar tKey agains tyo ur
palm untilbat tery 3 falls out oftheSmar t‐
Ke y. #
Inser tth ene wbatt erywit hth epositiv epole
fa cing upwa rds. Use alint-fr eeclothtodo so. #
Mak esur eth at thesur face ofthebatt eryis
fr ee oflint, grease andother impur ities. #
Inser tth efront tabsof batt erycom partment
co ver1 intoth ehousing andthen press to
clos eit. #
Inser teme rgency key2 into theSmar tKey . Pr
oblems withtheSm artK ey Yo
ucan nolon gerlo ck orunloc kth eve hicl e
Po ssible causes:
R The Smar tKey batt eryis we ak ordisc harged.
R The Smar tKey isfaulty . #
Chec kth ebatt eryusing theindicat orlam p
and replace ifnec essar y(/ page52). #
Use theemer gency keyto loc kor unloc k
(/ page52). #
Have theSmar tKey checkedat aqu alif ied
spec ialistwo rkshop.
Ther eis int erfere nce from apo we rful radio
sig nal source
The Smar tKey function isim pai redby ,fo rex am‐
ple:
R Highvo ltag epo we rlines R
Mobi lephones
R Electr onicdevices (notebook s,Table ts)
R Shielding duetome talobje ctsor induc tion
loops forelectr icalgate systems oraut o‐
matic barrier s #
Mak esur eth at ther eis asuf ficie ntdist anc e
be tween theSmar tKey and thepo tentia l
sou rceof interfere nce.
Yo uha ve los ta Sma rtKe y #
Have theSmar tKey deactiv ated ataqu alif ied
spec ialistwo rkshop. #
Ifnecessar y,ha ve themec hanical lock
re placed aswell. Open
ingand closing 53

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 102).
Br akin gwi th 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 102).
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 Dr
iving and parking 10
3

Some
drivi ng and drivi ng safety systems use
camer asand sensor sto monit orthear ea in
fr ont of,behind ornext to theve hicle.
Ke ep thear eas around thesensor sand camer as
fr ee ofdir t,ice orslush (/page27 1). The cam‐
er as and sensor smus tno tbe covered, forex am‐
ple bybicy clerack s, overhanging loads,sticke rs,
fo ilor foils toprotect agains tst one chipping .
Ad dition allicense platebr ac kets can impai rth e
function oftheultr asonic sensors,in par ticular .
In theeve ntofdamag eor ase vere impact inthe
ar ea ofthesensor s,ha ve thefunc tion ofthe
sensor sch eckedat aqu alif ied spec ialistwo rk‐
shop. Have damag eor stone chipping inthear ea
of thecamer asrepair edataqu alif ied spec ialist
wo rkshop. Ifth esensor sor camer asaredam‐
ag ed, some driving systems anddriving safety
sy stems mayno long erfunc tion proper ly. Ov
ervie wof driving systems anddriving
saf etysy stems R
ABS(Ant i-lockBra king System)
(/ page12 1)
R BAS(Bra keAssis tSys tem) (/ page12 1) R
ESP ®
(Electr onicStability Program)
(/ page12 2)
R EBD (El ectr onicBra keforc eDis tribution)
(/ page12 4)
R ActiveBr ak eAssi st(/ pag e12 4)
R Cruis econtr ol(/ page 127)
R ActiveDis tance AssistDIS TRONI C
(/ page 128)
R Hill StartAs sis t(/ page13 2)
R HOLD function (/page13 2)
R RACE STAR T(/ page 133)
R AMG adaptivespo rtsuspension system
(/ page13 6)
R Front and rear vie wcam era(/ page14 0)
R ATTENTION ASSIST(/ page14 2)
R Blind Spo tAssi st(/ pag e14 3)
R Lane Keeping Assist(/ page14 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 car ewh ile dr ivi ng. Fu
nction ofBA S The
Brak eAssis tSy stem (BAS )suppor tsyour
eme rgency braking situation withadditional
br ak efo rc e.
If yo udepr essthebr ak epedal quickl y, BA Sis
acti vated:
R BASau tomatical lyboos tsthebr ak epr es‐
sur e.
R BAScan shorten thebr aking distance. Dr
iving and parking 12
1

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

R
Tree resin, oils, fuels andgreases: remo veby
ru bbing gentl ywi th aclo thsoak edinpe tro‐
leum ether orlight erfluid.
R Coolan tand brak efluid: remo vewit hadam p
clo thand clean water.
R Tarst ains :use tarre mo ver.
R Wax:usesilicone remo ver.
R Donotatt achsticke rs,fi lms orsimilar mate‐
ri als.
R Remo vedirtimmediat ely,wher epossible.
Mat tefinish
R Onlyuse carepr oducts approvedfo r
Mer cedes-Ben z.
R Donotpolish theve hicle andalloywheels.
R Onlyuse carwashes that cor respond tothe
lat estengin eering standar ds.
R Donotuse carwash progr ams withafinal
ho twa xtrea tment.
R Donotus epa int cleane rs,buf fing orpolish‐
ing prod ucts ,gl oss preser vers,e.g. wax.
R Alw aysha ve paintw orkre pair scar ried out at
a qu alif ied spec ialistwo rkshop. No
teson cleaning decorativefo ils Obser
vetheno teson matt efinis hcar ein the
ch ap ter"No teson paintw ork/matt efinis hpa int‐
wo rkcar e"(/ page 269). Theyal so app lyto
matt edecor ativefo ils.
Obser vetheno teson cleaning decorativefo ils to
av oid vehicle damag e.
Cleaning
R Forclea ning, useplenty ofwa terand amild
clea ning agent without additivesorabr asive
subs tances, e.g.a car shampooappr ovedfo r
Mer cedes-Ben z.
R Remo vedirtimmediat ely, wher eposs ible,
whils tavo iding rubbing toohar d.Ther eis
ot her wise arisk ofdamagi ngthedecor ative
fo ilirre par ably.
R Ifth er eis dir ton thefinis hor ifth edecor a‐
tiv efo ilis dull: usethePa int Cleaner recom‐
mend edand approv ed forMer cedes-Benz.
R Insect remains: soakwithinsect remo verand
ri nse offth etreat edareas afte rw ards.
R Birddr oppin gs:soak withwa terand rinse off
af te rw ards. R
Topreve ntwa terst ains ,dr ya fo il-wr apped
ve hicle withasof t,absorbent clothafte r
eve rycar wash.
Av oiding dama getothedecor ative fo il
R The service life and color ofdecor ativefo ils
ar eim pair edby:
- Sunl ight
- Temp eratur e,e.g. hotair blower
- Weather condition s
- Stone chipping sand dirt
- Chemic alclean ingagent s
- Oilypr oduct s
R Donotuse polish onmatt edecor ativefo il.
Po lishin gwill have theef fect of shi ning the
fo il-wr apped surface.
R Donottr ea tmatt eor stru ctur eddeco rativ e
fo ils wit hwa x.Pe rm anen tst ains mayocc ur.
Sc ratche s,cor rosiv edeposits, areas affect ed by
cor rosion anddamag ecaused byinc orrect car e
canno tal wa ys be com pletely repair ed.Insuc h
cases, visitaqu alif ied spec ialistwo rkshop. 27
0
Maint enance andcare

on
thedr iver's side orthetir epr essur eta ble
in thefuel filler flap forva lues. #
Toincr ease thetir epr essur e:swit chon
th etir einf lation compressor . #
Toreduce thetirepr es sur e:press press ure
re lease button1 next to manome ter2. #
When thetir epr essur eis cor rect, unscr ew
th efilling hose from theva lve of thesealed
tir e. #
Screw theva lve cap ontoth eva lve of the
sealed tire. #
Pull thetir esealant bottle out ofthetir e
inf lation compressor .
The filling hose stay son thetir esealant bot‐
tle. #
Drive to thenear estqu alif ied spec ialistwo rk‐
shop andhave thetir e, tiresealant bottle
and filling hose replaced ther e. Bat
tery (vehicle) No
teson the12 Vbatt ery &
WARNIN GRisk ofan acci dent dueto
wo rkcar ried out incor rectly onthebat‐
te ry
Wo rkcar ried out incor rectl yon thebatt ery
can, forex am ple, lead toashor tcir cuit .This
can restrict functi onsreleva nt forsaf etysy s‐
te ms and impai rth eoper ating safetyof your
ve hicle.
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ionsinpar ticular :
R When brakin g R
Intheeve ntofabrupt steer ing maneuv ers
and/or whentheve hicle's speedisno t
adap tedto thero ad con dition s #
Intheeve ntofasho rtcir cui tor asim i‐
la rinci dent, contactaqu alif ied spec ial‐
is two rkshop immediat ely. #
Donotdr ive on. #
Alw aysha ve wo rkon thebatt erycar ried
out ataqu alif ied spec ialistwo rkshop. R
Further information onABS (/page12 1)
R Further information onESP ®
Fo rsaf etyre ason s,Mer cedes-Ben zre comme nds
th at youon lyuse batteries whic hha ve been tes‐
te dand appr ovedfo ryo ur vehicle byMer cedes-
Benz . Br
eakdo wnassis tance 28
1

Cha
nging awheel No
teson selecting, installing andreplac ing
tir es &
WARNIN GRisk ofacci dent dueto inc or‐
re ct dimensi onsofwhe elsand tires
If whe elsand tires ofthewr ong size are
ins talled, thewheel brak es orwheel suspen‐
sion componen tsma ybe damag ed. #
Alw aysre place wheels andtires wit h
th ose that fulf illthespecif ication sof
th eor iginal part.
When replacing wheels, makesur eto fit th e
cor rect:
R Desi gnati on
R Mod el
Whe nre placing tires, mak esur eto ins tallth e
cor rect:
R Desi gnati on
R Manuf actu rer
R Model &
WARNIN GRisk ofinju rythro ugh exceed‐
ing thespecif iedtireload-bear ingcapa‐
city ortheper missible speedrating
Ex cee ding thespecif iedtireload rating or
th eper missible speedrating mayle ad totire
da ma geand tothetir es bur sting. #
Ther efor e, onl yuse tiretypes andsizes
appr ovedfo ryo ur vehicle model. #
Obser vethetir eload rating andspee d
ra ting requ ired foryo ur vehicle. *
NO
TEVehicle andtiredamag eth ro ugh
tir etyp esand sizes that have notbe en
ap prove d Fo
rsaf etyre ason s,on lyuse tires, wheel s
and accessories whic hha ve been speciall y
appr ovedby Mer cedes-Ben zfo ryo ur vehicle.
These tires arespecially adaptedto thecon ‐
tr ol systems, suchas ABS ,ES P®
and
4MA TIC,andmarkedas follo ws :
R MO =Mer cedes-Ben zOr iginal R
MOE =Mer cedes-Ben zOr iginal Extended
(r un-f lattireonl yfo rcer tain wheels)
R MO1 =Mer cedes -Benz Original (onlycer ‐
ta in AMG tires)
Cer tain charact eristic s,suc has han dling,
ve hicle noise emissions, consumption, etc.
ma yot her wise beadv ersely affect ed. Fur‐
th er mor e,other tiresizes could result inthe
tir es rubbing agains tth ebody andaxle com‐
ponen tswhen loaded. Thiscould result in
damag eto thetir eor theve hicle.
Onl yuse tires, wheels andaccessor iesthat
ha ve been checkedand recomme ndedby
Mer cedes-Ben z. *
NO
TERisk todriving safetyfrom retrea ‐
de dtir es Re
trea de dtir es arenei ther tested nor recom‐
mend edbyMer cedes-Ben z,since prev ious
damag ecan notalw aysbe detected on
re trea de dtir es .
Fo rth is reason drivin gsaf etycan notbe guar ‐
ant eed. Whe
elsand tire s 31
1

R
ABS, ESP®
and cruise contr olop erati on
ar ere strict ed.
Thi scan jeop ardize road safety. #
Onlyuse tiretypes that have been
appr ovedfo rth emaximum permissible
speed setand theve hicle. No
teson rotat ing whee ls &
WARNIN GRisk ofinju rythro ugh differ‐
ent whee lsizes
Int erch ang ingthefront and rear wheels ifth e
wheels ortires have differe nt dimens ions
ma yse verely im pa irth edr iving charact eris‐
tic s.
The wheel brak es orwheel suspension com ‐
pon entsma yalso bedamag ed. #
Rotate front and rear wheels onlyifth e
wheels andtires areof thesame dimen‐
sions. The
wearpat tern son thefront and rear wheels
dif fer:
R Front wheels wearmor eon theshoulder of
th etir e
R Rear wheels wearmor eat thecent erofthe
tir e
Do notdr ive wi th tires that have toolittle tread
dep th.Thi ssig nifica ntlyre duces traction onwet
ro ads (hydr oplan ing).
On vehicles that have thesame sizefront and
re ar wheels ,ro tat eth ewheels accordingtothe
int erva ls in thetir emanuf acturer'swarrant y
book inyour vehicle documents. Ifth is isno t
av ailable, rotate thetir es every
3,000 to6,000 miles(5 ,000 to10,000 km),
dependin gon thewe ar.En sur eth at thedir ect ion
of rotatio nis ma intained .
Ob serveth eins truction sand safetyno teson
"Cha nging awheel" whendoing so
(/ page31 5). No
teson sto ring wheels When
stor ing wheels, observethefo llo wing
no tes:
R Afterre mo ving whee ls,stor eth em inacool,
dr yand prefer ably darkplace.
R Protect thetir es from contact with oil, grease
or fuel. Ov
ervie wof thetir e-c han getool kit Apar
tfr om some country- specif icvariant s,vehi‐
cles areno teq uipped withatir e-c hang eto ol kit.
Fo rmor einf ormation onwhi chtire-c hangi ng
to ols arere qu ired and appr ovedfo rper form ing a
wheel chang eon your vehicle, consult aqu alif ied
spec ialistwo rkshop.
Re quired tire-c hang eto ol kit mayinclude, for
ex am ple:
R Jack
R Choc k
R Lugwr enc h
R Alignmen tbolt 31
4
Wheels andtires