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

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

#
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 104)
R Wheelhub sin clu ding thewheel bearings No
teson engine oil Chec
kth eengine oilleve lbef oreopera tingin
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 Dr
ivin gand parking10
5

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

%
The follo wing values canbesetfo rpar ame‐
te rs 1and 2,forex am ple:
R Spe ed
R Lon gitudin al/lat eral acc eler ation
R Steer ing ang le
R Engine speed
R Engine oil/tir ete mp eratur e
Based ontheanal ysis yo ucan checkand opti‐
mize driving charact eristic sfo ran yposi tion on
th etra ck.
Expor tingtrac ks orraces (USB ) #
Select AllTrac ks.
An ove rview of all stor ed trac ks and races
ap pea rs. #
High light desired trac ks orraces. #
Sele ctÜ Options . #
Sele ctExport .
The select edtrac ks orraces can beexpor ted
to aUS Bstor ag ede vice conn ectedtothe
ve hicle. Editing
trac ks and recor dings #
Select AllTrac ks. #
Highligh tth edesir edtrac k. #
Select Ü options . #
Select Rename orDele te.
or #
Select atrac k. #
High light thedesir edrecor ding. #
Sele ctÜ options . #
Sele ctWea ther orDele te. Se
tting Drag Race Mult
imed iasystem:
4 Vehicle 5
TRACK PACE5
Drag Race
Measur ingacceler ation #
Select Acceleration.
Measur ementbegins whentheve hicle accel‐
er ates. Measur ementisincr ement al,insteps
of 30 mph(50 km/h) toamax imum of
18 0mp h(300 km/h) orup tothese tmaxi‐
mum speed. Measur
ementcanbestopped earlyby
selecting Stoporby stopping theve hicle.
Quar ter-mil era ce #
Select Quar terMile.
The timemeas uremen tru ns unti la mil eha s
be en trave led orapr ev iousl yse tdis tance
(e .g. quartermile ,th ird mile orhalf mile) has
been reac hed.
% The poss iblevalues forse tting theend dis‐
ta nce arede term ined bythesy stem and
cann otbe freel ych osen.
Measur ementcanbestopped earlyby selecting
Stop orby stopping theve hicle.
Manual star tfo rac ce lera tio nand quarter-
mil era ce #
Select Accel erat ionorQuar terMile . #
Select Man ualstart .
Thr eeredtraf fic lights appea rone afte rth e
ot her .The react ion timemeas uremen tst ar ts
when they chang eto green atthesame time.
The react ion timeis displa yedas soon asyou
dr ive of f.Ifyo udr ive of fto oear ly,th eJump 18
4
Multimedia system

R
freq uent operation inmount ainouste rrain or
on poor road sur faces
R whe nth eengine isoftenleft idling forlong
per iods
R oper ation inpar ticula rly dus tycond ition s
and /orif air -rec ircula tion mod eis freq uen tly
used
In these orsimilar operating conditions ,ha ve the
int erior airfilt er ,engin eair clean er,engin eoil
and oilfilt er etc. chang edmor efreq uent ly.The
tir es mus tbe checkedmor efreq uentl yif th e
ve hicle isoper ated under increased loads. Fur‐
th er information canbeobt ained ataqu alif ied
spec ialistwo rkshop. Batt
erydisconne ctionperiods The
ASSYSTPL US service interva ldisp lay
can onlycalculat eth eser vice dueda te when
th ebat tery isconnect ed. #
Notedown theser vice duedatedispla yedon
th eins trument displaybef orediscon necting
th ebatt ery(/ page26 1). Engine
compartment Opening/closing
thehood &
WARNIN GRisk ofacci dent dueto driv‐
ing withth ehood unlocked
The hood mayopen andblockyo ur vie w. #
Neverre lease thehood when driving. #
Beforeev erytrip, ensur eth at thehood
is loc ked. &
WARNIN GRisk ofacci dent andinjury
when openingand closingthehood
The hood maysuddenl ydr op intoth eend
position .
Ther eis arisk ofinjur yfo ran yone inthe
hood's rang eof mo vement. #
Open orclose thehood onlywhen ther e
is nobody inthehood's rang eof mo ve‐
ment. &
WARNIN GDang erofburnswhen open‐
ing thehood
If yo uopen thehood when theengine has
ove rheat edordur ing afire intheengine
com partmen t,yo uco uld come intoco ntact
wit hho tga ses orother escaping operating
fl uids. #
Beforeopen ingthehood, allowthe
engine tocool down. #
Intheeve ntofafire intheengine com‐
par tmen t,ke ep thehood closed and
call thefire ser vice. &
WARNIN GRisk ofinju rydue tomo ving
par ts
Com ponents intheengine compartmen tma y
con tinue running orstar tup sudden ly,ev en if
th eignition isswitc hedoff.
Mak esur eof thefo llo wing beforeper form ing
ta sk sin theengine compartmen t: #
Swi tchth eignition off. 262
Maintenanc eand care

#
Push handle 1ofthehood catchupw ards
and liftth ehood byappr oximat ely15 in
(40 cm). #
Toclose: lowe rth ehood andclose itwit ha
little forc efrom aheight ofappr oximat ely
8 in (20 cm). #
Ifth ehood canstill be lifte dslightl y,open
th ehood again and close itwit halittle more
fo rc euntil iteng ages cor rectl y. Engine
oil Chec
kingtheengine oilleve lusing theoil
dip stick &
WARNIN GRisk ofburnsfrom hotcom‐
ponent partsintheengine compartmen t
Cer tain com pone ntsin theengine compart‐
ment canbevery hot,e.g. theengine, the
ra diat orand partsof theex haus tsy stem. #
Allo wtheengine tocool down and only
to uc hco mp onent partsdescr ibedin
th efo llo wing. Re
quirement s:
R The engin ehas been warmed up.
R The coolant temp eratur eis 17 6°F (80°C ).
R The vehicle ispar kedon aleve lsur face.
R The enginehasru nat idle spe edfor30 sec‐
onds inthedr ive pr og ram A.
Chec kth eengine oilleve lwit hin twomin utes of
switc hingoffth eengine. #
Switc hof fth eengine. #
Pull oildips tick1 out and wipe off. 26
4
Maint enanc eand care

#
Slowly slide oildi ps tic k1 intoth eguide
tube tothestop, and pullitout again afte r
appr oximat elyth re esecon ds.
The follo wing measur ementre sults arepossi‐
ble:
R Oilleve lis cor rect:oil leve lis be tween 2
and 3.
R Oilleve lto olow: oil leve lis at 3 or
belo w.
R Oilleve lto ohigh: oilleve lis abo ve2 . #
Ifth eoil leve lis toolow, add 1.1 US qt
(1 liter) ofengine oil. #
Ifth eoil leve lis toohigh, drain offexc ess
engine oil.Consult aqu alif ied spec ialist
wo rkshop.
Ad ding engine oil &
WARNIN GRisk ofburnsfrom hotcom‐
ponent partsintheengine compartmen t
Cer tain com pone ntsin theengine compart‐
ment canbevery hot,e.g. theengine, the
ra diat orand partsof theex haus tsy stem. #
Allo wtheengine tocool down and only
to uc hco mp onent partsdescr ibedin
th efo llo wing. &
WARNIN GRisk offire and injuryfrom
eng ineoil
If eng ineoilcom esintocon tact with hot
com ponent partsintheengine compart‐
ment ,it ma yignit e. #
Mak esur eth at no eng ineoilisspille d
ne xt to thefiller open ing. #
Allo wtheengine tocool offand thor‐
oughl yclean theengine oilfrom com po‐
nen tpar tsbef orest ar tin gth eve hicle. *
NO
TEEngi nedama gecau sed byan
inc orrect oil filt er ,inc orrect oil oraddi‐
tiv es #
Donotus eengi neoilsor oil filt er s
whic hdo notcor respond tothespecif i‐
cation sex plicitl ypr escr ibed forth e
ser vice interva ls. #
Donotalt er theengine oiloroil filt er in
or der toachie velong erchang eint erva ls
th an presc ribed. #
Donotuse additiv es. #
Followtheins truction sin theser vice
int erva ldispla yre ga rding theoil
ch ang e. *
NO
TEDama gecau sed byrefilling too
muc hengine oil To
omuc hengine oilcan damag eth eengine
or thecat alytic converter . #
Have excess engineoilremo vedat a
qu alif ied spec ialistwo rkshop. Maint
enance andcare265

#
Turn cap 1cou nter-cloc kwiseand remo ve
it. #
Addengin eoil. #
Replace cap1and turnit cloc kwise untilit
eng ages. #
Chec kth eoil leve lag ain (/ page26 4). Chec
kingcoolant leve l &
WARNIN GRisk ofburnsfrom hotcom‐
ponent partsintheengine compartmen t
Cer tain com pone ntsin theengine compart‐
ment canbevery hot,e.g. theengine, the
ra diat orand partsof theex haus tsy stem. #
Allo wtheengine tocool down and only
to uc hco mp onent partsdescr ibedin
th efo llo wing. &
WARNIN GRisk ofscal ding from hot
cool ant
If yo uopen thecap, youco uld bescalded. #
Letth emo torcool down beforeopening
th ecap. #
When opening thecap, wearprotect ive
gl ove sand safetygl asses . #
Open thecap slowlyto release pres‐
sur e. #
Park theve hicle onaleve lsur face. #
Checkth ecoolant temp eratur edispla yin the
ins trumen tclus ter.
The coolant temp eratur emus tbe inthebo t‐
to m quarterof thete mp eratur edispla y. #
Slowly turncap 1cou nter-clo ckwise to
re lease overpressur e. 266
Maintenance andcare

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

Yo
ucan obtain mor einf ormat iononcar eand
cle anin gpr oduc tsfrom themanuf acturer.
In thecase offoil-wrapped surfaces, optica ldi f‐
fe re nces mayoccu rbe twee nth esur faces that
we renotpr otect edbyadec orativ efo ilaf te r
re mo ving adecor ativefo il.
% Have wo rkor repair sto decor ativefo ils car‐
ri ed out ataqu alif ied spec ialistwo rkshop,
e.g. atan aut hor ized Mercedes-Benz Center. No
teson car eof vehicl epar ts &
WARNIN GRisk ofentr apment ifth e
winds hieldwiper sar eswit ched on while
th ewindshield isbeing cleaned
If th ewindshield wipersar ese tin mo tion
while youar ecle anin gth ewindshield or
wiper blades, youcan betrapped bythe
wiper arm. #
Alw aysswitc hof fth ewindshield wipers
and theignition beforecleanin gth e
winds hieldorwiper blades. &
WARNIN GRisk ofburnsfrom theta il‐
pipe andtailpipe trims
The exhaus tta ilpipe andtailpipe trims can
becom eve ry hot.Ifyo uco me intoco ntact
wit hth ese partsof theve hicle, youco uld
bur nyo urself . #
Alw aysbe par ticular lycareful arou nd
th eta ilpipe andtheta ilpipe trims and
super visechildr enespec iallycloselyin
th is area. #
Allo wvehicle partsto cool down before
to uc hin gth em. Obser
vetheno teson cleaning andcareof the
fo llo wing vehicle partsto avoid damag e.
Wheels/r ims
R Use waterand acid-free whee lclea ners.
R Donotuse acidicwhee lclea nersto remo ve
br ak edus t.This could damag ewheel bolts
and brak ecom ponen ts.
R Toavo idcor rosion ofthebr ak ediscs and
br ak epads, drive th eve hicle fora fe w
minut esafte rclea ning beforepar king it.The br
ak ediscs andbrak epad swa rm upand dry
out .
Wi ndo ws
R Clean windowsinsid eand outs idewitha
dam pclo thand withacle anin gag ent recom‐
mend edforMer cedes-Benz.
R Donotuse dryclo thsor abr asiv eor sol vent-
ba sed cleani ng agents tocle an theinside of
windo ws.
Wi per blades
R Foldout thewiper blades andclean them
using adam pclo th.
R Donotcle an thewiper blades tooof ten.
Ex terior light ing
R Clean thelenses withawe tsp ong eand mild
cle ani ng agent, e.g.car shampoo.
R Onlyuse cleaning agents orcleaning cloths
th at aresuit able forpla stic lens es.
Sensor s
R Clean thesensor sin thefront and rear
bum perswit hasof tclo thand carsham poo
(/ page12 0). Mai
ntenance andcare27
1