2021 MERCEDES-BENZ GT 4-DOOR COUPE heating

&
DANG ER Risk ofdeat hcause dby
ex haus tga ses
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealt h
and leads topoisonin g. #
Neverlea vetheengine or,if pr esent ,
th eauxiliar yheating running inan
encl osedspa cewithout sufficie ntventi‐
la tio n. &
WARNIN GRisk ofskid ding and ofan
acci dent dueto shif ting down onslipper y
ro ad sur faces
If yo ushif tdo wn onslipp eryro ad sur faces to
inc rease theengine braking effect, thedr ive
wheels maylose traction . #
Donotshif tdo wn onslipper yro ad sur‐
fa ces toinc rease theengine braking
ef fect. &
DANG ER Risk offata linj urydue topoi‐
sonous exhaus tga ses
If th eta ilpipe isbloc kedor suf ficie ntventil a‐
tio nis no tpo ssi ble, po isonou sex haus tga ses
suc has carbon monoxidemayent ertheve hi‐
cle. This isthecase when theve hicle
becomes stuc kin snow ,fo rex am ple. #
Keep theta ilpipe andthear ea around
th eve hicle free from snowwhen the
engine orthest atio naryheat erareru n‐
ning . #
Ope nawi ndo won theside oftheve hi‐
cle facing away from thewind toensur e
an adeq uatesupply offresh air. &
WARNIN GRisk ofacci dent andinjury
due tobeing under theinf luence ofalco‐
hol and drugs while driving
Dr inkin gand driving and/or taking drug sand
dr ivi ng areve ry dang erous combin ations.
Ev en asmall amount ofalcohol ordrugs can
af fect your reflex es, percep tion sand judg‐
ment . The
possibility ofaser ious oreve nfa ta lacc i‐
dent aregr eatl yinc reased when youdr ink or
ta ke drugs and drive. #
Donotdr ink ortake drugs and drive or
allo wan yone todrive who hasbeen
dr ink ing ortaking drug s. &
WARNIN GRisk ofacci dent dueto the
br ak esy stem overheating
If yo ulea veyour foot on thebr ak epedal
when driving, thebr ak esy stem mayov er‐
heat.
This increases thebr aking distance and the
br ak esy stem mayeve nfa il. #
Neveruse thebr ak epedal asafo ot re st. #
Donotde press thebr ak epedal andthe
acc elerat orpedal atthesame time
while driving. Dr
iving andparking 14
3

#
Neverlea vetheengine or,if pr esent ,
th eauxiliar yheating running inan
encl osedspa cewithout sufficie ntventi‐
la tio n. &
WARNIN GRisk ofinju rywhen opening
or clos ingadoor withth ega rage door
opener
When youoper ateor program thedoor with
th eint egr ated garage door opener ,per sons
in thera ng eof mo vement ofthedoor may
become trapped orbe stru ck bythedoor . #
Alw aysmak esur eth at nobody iswit hin
th era ng eof mo vement ofthedoor . Onl
yoper ateth efo llo wing doorsusing the
ga rage door opener :
R Door swit hasaf etyst op and reve rsing fea‐
tur e
R Doorswhic hcon form tothecur rent U.S.
sa fety standar ds Re
quirement s:
R The vehicle hasbeen parkedoutside the
ga rage oroutside thera ng eof mo vement of
th edoor .
R The engine isswitc hedoff.
R The ignition isswitc hedon.
% The garage door opener function isalw ays
av ailable whentheignition isswitc hedon. #
Chec kif th etra nsmit terfr eq uency ofthe
re mo tecontr olha sth efreq uency rang eof
280 to868 MHz.
Ra dio equipment approval num ber:
R NZLM UAHL5 (USA)
R 4112 A-MU AHL5 (Canada ) #
Press and hold button1, 2or3 that you
wish toprog ram.
Indicat orlam p4 flashes yello w.
% Itcan take up to20 seconds beforeth eindi‐
cat orlam pflashes yello w. #
Release thepr ev iousl ypr essed button.
Ind icat orlam p4 con tinues toflash yello w. #
Point remo tecontr ol5 from adi st anc eof
0. 4in (1 cm )to 3in (8 cm) towa rdsbutt on
1, 2or3. #
Press and hold button6 ofremo tecontr ol
5 unti lone ofthefo llo wing signalsappear s:
R Indicat orlam p4 light sup green contin‐
uousl y.Progr amming iscom plete.
R Indicat orlam p4 flashes green .Pr o‐
gr ammi ngwassuccessful. Addition ally, Dr
iving and parking 16
1

Seat
belts
R Clean withluk ewa rmand soap ywa ter.
R Donotus ech emical cleaningag ent s.
R Donotdr yby heating them toove r17 6°F
(80°C )or exposing them todirect sunlight .
Displa y
R Switc hof fth edispla yand letit cool down.
R Clean thesur face car efu llywith amic rofiber
clo thand asuit able displa ycar epr oduc t
(TF T-LC D).
R Donotus ean yot her agents.
Plas tictrim
R Clea nwit hadam pmicr ofiber cloth.
R Forhea vysoil ing: useaclea nerrecomme n‐
ded forMer cedes-Benz.
R Donotatt achsticke rs,fi lms orsimilar mate‐
ri als.
R Donotallo wcos metics,ins ect repellent or
sun cream tocome incont actwith theplas‐
tic trim.
Re alwo od and trim elemen ts
R Clean withamic rofiber cloth. R
Blackpiano-lac quer look: clean withadam p
clo thand soap ywa ter.
R Forhea vysoil ing: useaclea nerrecomme n‐
ded forMer cedes-Benz.
R Donotuse solvent-ba sedcleani ng agents,
po lishe sor wa xes.
Headliner R Clea nwit habr ush ordrysham poo.
Car pet
R Use acar petand textil ecle ani ng agent rec‐
omme ndedforMer cedes-Benz.
Ste ering wheel madeofgenuine leather or
DIN AMIC A
* NO
TEDama gecau sed bywrong clean ers #
Donotuse solvent-bas edclean ing
ag ent ssuc has tarre mo veror whee l
clea ner;neit her shou ldyouuse pol‐
ishe sor wa xes. Ot her wise youma y
damag eth efinis h. R
Clea nwi th adam pclo thand 1%soap ywa ter
solution andthen wipe withadr yclo th. R
Forhea vysoil ing: useaclea nerrecomme n‐
ded forMer cedes-Benz.
R Leat hercare:use alea ther car eag ent that
has been recomme ndedforMer cedes-Benz.
R Donotall ow theleat her tobecome too
dam p.
R Donotuse amicr ofiber cloth.
% Leat herisanatur alproduct. Ithas natur al
sur face prope rties, suchas differe nces in
st ru ctur e,mar kscau sed bygrow thand
inj uryor subt lecol ordiffere nces.
Gen uinele ather seat covers
R Clean withadam pclo thand then wipe witha
dr yclo th.
R Leat hercare:use alea ther car eag ent that
has been recomme ndedforMer cedes-Benz.
R Donotall ow theleat her tobecome too
dam p.
R Donotuse amicr ofiber cloth.
DIN AMIC Asea tco vers
R Clean withadam pclo th.
R Donotus eamic rofiber cloth. Maint
enance andcare283

In
addi tion, they also sufferfr om irre gular
we ar,whic hcan significan tly im pair thebr ak‐
ing proper tiesand thehandling charact eris‐
tic s. #
Avoid excessiv elylow tirepr essur e. Ti
re pressur ewhic his toolow can cause:
R Tire faults asare sult ofoverheating
R Impair edhandling charact eristic s
R Irre gular wear
R Incr eased fuelconsum ption &
WARNIN GRisk ofacci dent dueto too
high atir epr essur e
Ti re swit hexc essiv elyhigh pressur ecan
bur st.
In addi tion, they also sufferfr om irre gular
we ar,whic hcan significan tly im pair thebr ak‐
ing proper tiesand thehandling charact eris‐
tic s. #
Avoid excessiv elyhigh tirepr essur es. Ti
re pressur ewhic his toohigh cancause:
R Increased brakin gdis tance
R Impaired handl ing charact eristic s
R Irre gular wear
R Impair eddrivin gcom fort
R Sus ceptibility to damag e &
WARNIN GRisk ofacci dent dueto repea‐
te dpr essur edr op inthetir es
The wheels, valves ortires could bedam‐
ag ed.
To olow atir epr essur ecan lead tothetir es
bur sting. #
Examine thetir es forfo re ign obje cts. #
Chec kwhe ther thetir ehas apunct ure
or theva lve has aleak . #
Ifyo uar eunab leto rectify thedamag e,
con tact aqu alif ied spec ialistwo rkshop. Yo
ucan find spe cifica tions forth etir epr essur e
fo rth eve hicle's fact or y-ins talled tires on thefo l‐
lo wing labels:
R Tire and Loadi ngInfo rm atio nplacar don the
B‑pil larof your vehicle (/page31 2).
R Tire pressur eta ble ontheinside ofthefuel
fi ller flap (/ page30 9).
Obse rveth emaximum tirepr essur e
(/ page31 9).
Us easu itabl epr es su re gaug eto checkth etir e
pr essur e.The outerappear anceofatir edoes
no tper mit anyre liable conclusion aboutthetir e
pr essur e.
Onl ycor rect tirepr ess urewhe nth etir es are
cold. Condition sfo rcold tires:
R The vehicle hasbeen parkedwit hth etir es
out ofdir ect sunlight forat lea stthre ehour s.
R The vehicle hastrave led less than 1mile
(1 .6 km ).
The vehicle's tires heat upwhen driving. Asthe
te mp eratur eof thetir es incr eases, sotoodoes
th etir epr essur e. 308
Wheels andtires

as
wellon thego vernment courseasatir egr a‐
ded 100.
The relativ eper form anc eof tires depen dsupon
th eactual conditions oftheir use, howe ver,and
ma ydepar tsign ifican tly from thenor mdue to
va riatio nsindrivin ghabit s,ser vicepr act icesand
dif fere nces inroad charact eristic sand climate
con dition s.
Tr actio ngr ade &
DANG ER Risk ofacc iden tdue toinade‐
qu atetract ion
The tract ion grade assig nedtothis tireis
based onstra ight -ahead brakin gtract ion
te sts. #
Alw aysadap tyo ur drivin gst yle and
dr ive at aspeed tosuit thepr ev ailin g
traf fic and weather condition s. *
NO
TEDama getothedr ivet ra in from
wheelspin #
Avoid wheelspin. The
traction grades, from highes tto lowe st,ar e
AA ,A, Band C.Tho segrad es repr esent thetir e's
ability tostop onwetpa vement asmeasu red
unde rco ntro lled condition son spec ified govern‐
ment test sur faces ofasp haltand concr ete. A
tir emar kedC ma yha ve poor traction perform ‐
anc e.
Te mp eratur egr ade &
WARNIN GRisk ofacci dent from tire
ove rheating andtirefa ilur e
Ex cess ive speed, underinflation ,or exc essiv e
loading, either separ atelyor incombin ation,
can cause excessiv eheat build-up andpossi‐
ble tirefa ilur e. #
Obser vethere comme ndedtirepr es‐
su re. #
Regular lych eckth epr essur eof all the
tir es . #
Adjus tth etir epr essur e,ifneces sary. The
temp eratur egr ades areA (the highes t),B
and C,repr esent ingthetir e's resis tance tothe
ge ner ation ofhea tand itsability todissipat e heat
when tested under controlled conditions on
a specif iedindoor laborator yte st wheel. Sus‐
ta ined hightemp eratur ecan cause themat erial
of thetir eto deg ener ateand reduce tirelife, and
exc essiv ete mp eratur ecan lead tosudden tire
fa ilur e.The grade Ccor responds toaleve lof
per form anc ewhic hall passe nger car tires mus t
mee tunde rth eFe der alMo torSaf etySt andar d
No .10 9. Grade sB and Arepr esent higher leve ls
of per form anc eon thelabor ator yte st wheel
th an theminimum requ ired bylaw. DO
T,Tire Iden tificat ionNumbe r(TI N) US
tirere gulations stipulat eth at eve rytire man‐
uf actu reror retrea de rmu stimprint aTIN inor
on theside wallof eac htir epr oduced. 31
8
Wheels andtires

Coolant
No
teson coolant
Obser vetheno teson oper ating fluids
(/ page33 9). &
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. #
Obser vetheins truction sin the
Mer cedes-Ben zSpecif ications forOper‐
ating Fluids310.1. Ha
ve thecoolant regular lyreplaced ataqu alif ied
spec ialistwo rkshop.
Pr opor tionofantifr eezeconcen trat ein the
engine cooling system:
R Aminimum of50% (antifr eezeprotect ion
do wn toappr oximat ely-3 5°F (-37°C))
R Amaxim umof55% (antifreeze protect ion
do wn to-49°F (-45°C))
Co olant capacity Mode
lC apacity
Mer cedes -AMG GT53
4MA TIC+ 14
.8 US qt
(1 4.0 lite rs)
All other models 16.2 US qt
(1 5.3 lite rs) Te
ch nica lda ta 34
3

Ve
hicl e Dis
playmessag es
Possible causes/conseq uencesand0050 0050
Solutions
0072 Vehicle ReadytoDrive
Switc hthe Ignit ionOff
Before Exiting *Y
ouarelea ving theve hicle when itis in are ady -to- dr ive st at e. #
When youlea vetheve hicle, switchof fth eignition ,secur eth eve hicle agains tro lling away and taketh eSmar t‐
Ke ywit hyo u. #
Ifyo udo notlea vetheve hicle, switchof fth eelectr icalconsumer s,e.g. theseat heating. Other wise, the12 V
batt eryma ydisc hargeand itwill then be possible tostar tth eve hicle onlywit hth eaid ofasecon dbatt ery
(s ta rting assis tance) .
Ù Stee ringMalfunctio n
Incre ased Phy sical Effor t
See Operator'sManua l *T
hepowe rst eer ing assis tance isma lfunctio ning. &
WARNIN GRisk ofan acci dent dueto altered steer ing charact eristic s
If th epo we rassi stanc eof thesteer ing fails par tiall yor com pletely,yo uwill need touse morefo rc eto steer . #
Ifsaf esteer ing ispossible, drive on car efully . #
Visit orconsult aqu alif ied spec ialistwo rkshop immediat ely. Ù
Steer ingMalfunction Stop
Imme diate lySee Opera-
tor's Manua l *T
hesteer ing ismalfunct ioning.Steer ing capability issignif icantlyim pair ed. &
WARNIN GRisk ofacci dent ifsteer ing capability isim pair ed
If th esteer ing does notfunc tion asintended, theve hicle's operating safetyis jeopar dized. 358
Displa ymes sagesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Consult aqu alif ied spec ialistwo rkshop.
Stop Vehicle LeaveEngine
Running WaitTransmission
Cooli ng *T
hetransmission isove rheating. Pullingaway ma ybe temp orarily im pair edornotpossible. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng. #
Lea vetheengine running . #
Waitunt ilth edispla ymessag edisappear sbef orepulling away.
0080 Trans. OilOverheated
Drive onwith Care *T
ransmi ssion positio nM and thete mp orarymanual driving progr am areno long eravailable. Theengineoutput is
re duced dependin gon theove rheating. #
Letth etransmission oilcool down bydriving defensiv elyuntil thedispla ymessag edisappear s.
Auxiliary BatteryMalfunc-
tion *T
heauxilia rybatt eryfo rth etra nsmiss ionisno long erbeing charge d. #
Consult aqu alif ied spec ialistwo rkshop. #
Untilthen, alwaysselect parkposition 005Dmanually beforeyo uswit choffth eengine. #
Beforelea ving theve hicle, apply theelectr icpar king brak e. Displa
ymessag esand warning/ indic ator lam ps 36
7