2021 MERCEDES-BENZ GT COUPE ABS

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

Model
Capacity
All model s1 .8gal(7 .0 liter s) No
teson brak efluid Obser
vetheno teson oper ating fluids
(/ page32 4). &
WARNIN GRisk ofan acci dent dueto
va por pockets form ing inthebr ak esy s‐
te m
The brak efluid constantly absor bsmoi stur e
fr om theair .This lowe rstheboiling pointof
th ebr ak efluid. Ifth eboiling pointistoolow,
va por pockets ma yfo rm inthebr ak esy stem
when thebr ak es areapplied hard.
This causes thebr aking effect to be
im pair ed. #
Have thebr ak efluid rene we dat the
specif iedinterva ls. Ha
ve thebr ak efluid regular lyreplaced ata
qu alif ied spec ialistwo rkshop. Onl
yuse abr ak efluid appr ovedby Mer cedes-
Benz accor dingtoMB-F reigabe orMB- Appr oval
33 1.0. Co
olan t No
teson coolant
Obser vetheno teson oper ating fluids
(/ page32 4). &
WARNIN G‑Ri sk offire and injuryfrom
ant ifreez e
If ant ifreez ecom esintocon tact with hot
com ponent partsintheengine compart‐
ment ,it ma yignit e. #
Allo wtheengine tocool down before
ad ding anti freeze . #
Makesur eth at no ant ifreez espills out
ne xt to thefiller open ing. #
Thor oughl yclean offan yant ifreeze
fr om com pone ntpar tsbef orest ar tin g
th eve hicle. *
NO
TEDama gecau sed byinc orrect cool ‐
ant #
Onlyus ecool antthat has been pre‐
mix edwithth ere qu ired ant ifreeze pro‐
te ction.
Inf ormati ononcool antisavailable atthefo l‐
lo wing locations:
R IntheMer cedes- BenzSpecif ication sfo r
Oper ating Fluids 310.1
- Athttps: //bevo.mer cedes-b enz.com
- IntheMer cedes- BenzBeVoapp
R Ataqu alif ied spec ialistwo rkshop *
NO
TEOverhea ting athigh outsid ete m‐
per atur es If
an inapp ropr iat ecoolant isused, the
engine cooling system isno tsuf ficie ntlypr o‐
te cted agains tov erheating andcorrosion at
high outside temp eratur es. #
Alw aysuse coolant approvedby
Mer cedes-Ben z. 328
Tech nica lda ta

Dr
ivin gsaf etysy stems Displa
ymess ages
Possible causes/conseq uencesand0050 0050
Solutions
0025
00E5 Currently Unavailable See
Operator' sManual *
ABS andESP®
arete mp orarily una vailable.
Ot her drivin gsy stems anddriving safetysy stems (e.g. BAS)ma yal so be temp orarily una vailable.
The brak esy stem will continue tooper atenor mally .The braking distance inan eme rgency braki ng situa tioncan
incr ease. &
WARNIN GRisk ofskid ding ifABS andESP®
aremal functi oning
The wheelsma yloc kdu ring braki ng and ESP®
do es notpe rfor m anyve hicle stabiliz ation.
The steer ability andbraking charact eristic sar ehea vilyim pair edand thebr aking distance mayincr ease. Inaddi‐
tio n,other driving safetysy stems areswitc hedoff. #
Drive car efull yon asuit able stre tchof road, mak ingsligh tst eer ing movements ataspeed above19 mp h
(30 km/ h). #
Ifth edispla ymessag edoes notdisappear ,con sult aqu alif ied spec ialistwo rkshop immediat ely.Dr ive car e‐
full y. Dis
play messa gesand warning/ indic ator lam ps 36
1

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0025
00E5 Inoperat iveSee Operator' s
Manual *
ABS andESP®
aremalfunct ioning.
Ot her driving systems anddriving safetysy stems (e.g. BAS)ma yal so be mal functi oning.
The brak esy stem will continue tooper atenor mally .The braking distance inan eme rgency braki ng situa tioncan
incr ease. &
WARNIN GRisk ofskid ding ifABS andESP®
aremal functi oning
The wheelsma ybl oc kdu ring braki ng and ESP®
do es notpe rfor m anyve hicle stabiliz ation.
The steer ability andbraking charact eristic sar ehea vilyim pair edand thebr aking distance mayincr ease. Inaddi‐
tio n,other driving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have ABS andESP®
ch eckedimmediat elyataqu alif ied spec ialistwo rkshop. 00E5
Currently UnavailableSee
Operator's Manual *
ESP ®
is temp orarily una vailable.
Ot her drivin gsy stems anddriving safetysy stems (e.g. BAS)ma yal so be mal functi oning. &
WARNIN GRisk ofskid ding ifESP ismal functi oning®
If ESP ®
is mal functi oning,ESP ®
canno tcar ryout vehicle stabiliz ation.Inaddit ion,ot her driving safetysy stems
ar eswitc hedoff. 362
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
007A
0025
00E5 Inoperat iveSee Operator' s
Manual *
EBD ,ABS andESP®
aremalfunct ioning.
Ot her driving systems anddriving safetysy stems (e.g. BAS)ma yal so be mal functi oning. &
WARNIN GRisk ofskid ding ifEBD, ABSandESP®
are malfuncti oning
The wheelsma ybl oc kdu ring braki ng and ESP®
do es notpe rfor m anyve hicle stabiliz ation.
The steer ability andbraking charact eristic sar ehea vilyim pair edand thebr aking distance mayincr ease. Inaddi‐
tio n,other driving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. Act
ive Brake Assist Func-
tions Currently LimitedSee
Operator's Manual *A
ctiv eBr ak eAssi stistemp orarily una vailable oronl ypar tiall yav ailable.
The ambie ntcon dition sar eout side thesy stem limits (/page12 4). #
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. 36
4
Displa ymessag esand warning/ indic ator lam ps

Ins
trum ent Disp lay De
pen dingon thedispla yse tting, theposition s
of theindicat orlam pson theIns trument Display
ma ydif ferfr om theex am ple shown. Sup
erspor tse tting If
yo usele cttheSuper sportdispla yse tting, the
position sof theindicat orlam pson theIns tru‐
ment Displa ywill chang e.
Indi catorand warning lam ps:
0075 Re
stra int system (/ page37 4)
00E9 Sea
tbel t(/ page 374)
Ù Electricpo we rst eer ing
(/ page37 6)
ÿ Coolantte mp eratur e(/ page37 6)
00B9 Che
ckEngi ne(/ page 376)
003D Electr
icalmalfunction (/page37 6) 00B6
Re
ser vefuel withfuel filler flap loca‐
tio nind icat or(/ page37 6)
0049 US
A:electr icpa rking brak e(red)
(/ page380)
0024 Canada:
electric pa rking brak e(red)
(/ page380)
0024 Elec
tric par kingbr ak e(yello w)
(/ page380)
0027 US
A:brak es (red) (/ page380 )
004D Canada:
brak es (red) (/ page380)
L Distance warning (/ page382)
ä AMGadaptivespor tsuspen sionsys‐
te m (/ page382)
0025 ABS
(/page383)
00E5 ESP®
(/ page383)
00BB ESP®
OFF (/page383)
Æ ESP®
SPOR T(/ page383)
¤ ESP®
OFF (/page383)
0077 Ti
re pressur emonit oring system
(/ page386)
0060 Pa
rking lam ps(/ page80) Disp
lay mess ages and warning/ indic ator lam ps 37
3

Dr
ivin gsaf etysy stems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0025 ABS warning lam p The
yello wAB Swa rning lam pis lit while theengine isrunning .
*ABS isma lfunctio ning.
If th er eis an additional warning tone, EBD isma lfunctio ning.
Ot her drivi ng systems anddriving safetysy stems mayalso bemalfunct ioning. #
Notethemessag eson themultifunc tiondispla y. &
WARNIN GThe reisarisk ofskidding ifEBD orABS ismalfunctioning
The wheels mayloc kdur ing braking.
The steer ability andbraking charact eristic sar ehea vilyim pair edand thebr aking distance mayincr ease. Inaddi‐
tio n,other driving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. 00E5
ESP ®
wa rning lam p The
yello wES P®
wa rning lam pflashes whiletheve hicle isin mo tion.
or
The yello wES P®
wa rning lam pis lit while theengine isrunning .
* The yello wESP ®
wa rning lam pflashes whiletheve hicl eis in mo tion:
One ormor ewhee lshas reac hed itsgrip limit (/page12 2). Dis
play messa gesand warning/ indic ator lam ps 383