2021 MERCEDES-BENZ GT COUPE stop start

App
leCar Play® Ov
ervie wof App leCar Play® &
WARNIN GRisk ofdist ra ction from infor‐
mati onsystems andcomm unication s
eq uipment
If yo uoper ateinf ormat ionand comm unic a‐
tio neq uipme ntintegratedin theve hicle
when driving, youwill bedistract edfrom the
tr af fic situ ation. Thiscou ldalso cau seyouto
lose control of theve hicle. #
Onlyoper ateth is eq uipmen twhen the
tr af fic situ ation per mits. #
Ifyo ucan notbe sur eof this, stop the
ve hicle whilstpa ying attention toroad
and traffic condi tions andoperate the
eq uipment withth eve hicle statio nary. Yo
umus tobse rveth eleg alrequ iremen tsforth e
cou ntryin whi chyouar ecur rentl ydr ivi ng when
op erati ng themultimedia system.
iPhone ®
func tionscan beused viathemultime‐
dia system using Apple CarPla y®
.The yar eoper‐
at ed using thecent ralcon trol elemen tor the Sir
i®
vo ice- oper ated con trol system. Youcan
act ivat eth evo ice- oper ated con trol system by
pr essing andholding the00E3 buttononthe
multifu nctionsteer ing wheel.
When usingApple CarPla y®
via thevo ice- oper‐
at ed con trol system, themultimedia system can
st ill be oper ated via theVo ice Cont rolSy stem
(/ page15 0).
On lyone mobile phoneatatime canbeconn ec‐
te dvia Apple CarPla y®
to themultimedia sys‐
te m.
The availabilit yof App leCarPla y®
ma yva ry
acc ordin gto thecount ry.
The service prov ider isresponsible forth is appli‐
cat ion and theser vices andcontent conne cted
to it.
Apple CarPla y®
is are gis tere dtra demar kof
Apple Inc.
Inf ormat iononApple CarPla y®
While usingApple CarPla y®
va rious funct ionsof
th emultimedia system, e.g.telephon yor the
media sourcesBlue tooth®
audio andiPod ®
,ar e
una vailable. Onl
yone routeguidan cecan beact ive at atim e.
If ro uteguidan ceisact ive on themultimedia sys‐
te m, itis closed whenrouteguidan ceisstar ted
on themobile phone.
Connecting aniPhone ®
via Apple CarPla y®
Re quirement s:
R Apple ®
oper atingsy stem version iOS 8.3or
abo veisins talled ontheiPhone ®
.
R AnInterne tcon nect ionisrequ ired forth efull
ra ng eof func tions forApple CarPla y®
.
R The iPho ne®
is connect edtothemultimedia
sy stem viatheUSB portç using asuit a‐
ble cable (/page24 2).
Mul timediasystem:
4 Connec t5
Apple CarPlay
Se tting automat icor manu alstar t
A messa geappear swhen connectedfo rth efirs t
tim e. #
Automatic star t:select Automatically.
Start Automatically isactiv ated 0073. 22
4
Multimedia system

App
leCa rPlay®
will nowstar timm ediat ely
af te rth eiPhone ®
is con nect edtothemulti‐
media system using aUSB cable. #
Manua lst ar t:select Manual ly. #
Select theiPhone ®
in thede vice list.
Ac cep ting/r eject ingtheda ta protection reg‐
ulat ions
A messag ewit hth edat apr otect ion regulations
appear s. #
Select Accept &Start .
or #
Select Decline &End.
Exiting AppleCarPla y® #
Press the00E2 buttononthemultifunc tion
st eer ing wheel, forex am ple.
% IfApp leCarPla y®
wa sno tdispla yedin the
fo re grou nd before discon necting,theappli‐
cation star ts inthebac kground when recon‐
nect ed.Youcan callupApple CarPla y®
in
th emain menu. Calling
upApple CarPla y®
sound settings
Multimedia system:
4 Connec t5
Apple CarPlay 5
Sound #
Select thesound menu(/page258).
Ending AppleCarPla y®
Multimedia system:
4 Connec t5
Apple CarPlay #
Select Disconnect.
The connect ionisended.
The mobile phonecontinues tobe supplied
wit helect ricity .
or #
Disco nnect thecon nect ingcable between
th emobile phoneandmultimedia system.
Mer cedes- Benzrecomme ndsdisconnecti ng
th econ nect ingcable onlywhen theve hicle is
st atio nary. Andr
oidAuto Andr
oidAutoove rview &
WARNIN GRisk ofdist ra ction from infor‐
mati onsystems andcomm unication s
eq uipment
If yo uoper ateinf ormat ionand comm unic a‐
tio neq uipme ntintegratedin theve hicle
when driving, youwill bedistract ed from the
tr af fic situ ation. Thiscou ldalso cau seyouto
lose control of theve hicle. #
Onlyoper ateth is eq uipmen twhen the
tr af fic situ ation per mits. #
Ifyo ucan notbe sur eof this, stop the
ve hicle whilstpa ying attention toroad
and traffic condi tions andoperate the
eq uipment withth eve hicle statio nary. Yo
umus tobse rveth eleg alrequ iremen tsforth e
cou ntryin whi chyouar ecur rentl ydr ivi ng when
op erati ng themultimedia system.
Mobile phonefunctionscan beused with
An droid Autousin gth eAn droid oper ating sys‐
te m on themultimedia system. Itis oper ated Multimedia
system 225

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00AF Key NotDetected (red dis‐
pla ymessag e) *T
heSmar tKey canno tbe detected and mayno long erbe intheve hicle.
The Smar tKey isno long erintheve hicle andyouswit choffth eengine:
R Youcan nolongerst ar tth eengine.
R Youcan notcen trally lockth eve hicle. #
Ensur eth at theSmar tKey isin theve hicle.
If th eSmar tKey detection functi onhasa mal functi ondueto ast ro ng radio signal source: #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
Startth eve hicle withth eSmar tKey (/ pag e95).
00AF
Inser tKey *T
heSmar tKey isno tde tected continu ously .
De tection oftheSmar tKey istemp orarily malfunct ioningorfaulty .A wa rning tone willal so sou nd. #
Inse rttheSmar tKey intheignition lockand turnto thedesir edkeypos ition . #
Con sult aqu alif ied spec ialistwo rkshop.
00AF Don't Forget YourKey *A
warning tone willal so sou nd. Thismes sage reminds youto take your Sm artK ey wit hyo uwhen youlea vethe
ve hicle. 338
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Ù Rear AxleSteering Cur-
rent lyUnavailable *T
herear axle steer ing istemp orarily una vailable. Theturnin gra dius maybecome wider. #
Stop theve hicle inaccor dance withth etra ffic con dition sand restar tth eengine.
If th edispla ymessag edoes notdisappear : #
Drive on car efull y. #
Con sult aqu alif ied spec ialistwo rkshop.
Electron icRear AxleDiffer-
ential LockInoperative *T
heelectr oniclocking differe ntia lha sfa iled. #
Consult aqu alif ied spec ialistwo rkshop.
Electron icRear AxleDiffer-
ential LockCurrently
Unavaila ble *T
heelectr oniclocking differe ntia lis ove rheat ed. #
Letth eelectr oniclocking differe ntia lcool down bydriving defensiv ely.
Rear Spoiler ControlSys-
tem Inoper ative *T
herear wing cannotre ac hth eend position during retracti onand extends again if po ssi ble.
The vehicle's speedmaybe restrict ed.
If re tracti onofthere ar wing isbloc ked, e.g. byice: #
Ensur eth at thecause ofthebloc kage has been remo ved. #
Switc hof fth eengine andlockth eve hicle. #
Startth eve hicle afte ra fe w min utes.
The rear wing willmovetotheor iginal position . Displa
ymessag esand warning/ indic ator lam ps 34
3

Engine
Displa
ymes sages
Possible causes/conseq uencesand0050 0050
Solutions
To switch engine off,press
and hold Start/S topbut-
ton foratleast 3secs. or
press 3times. *Y
ouhave pressed thest ar t/ stop butt onwhile theve hicle isin mo tion. #
Information aboutswitchingoffth eengine whiledriving (/page94 ).
00BD
Check Coolant LevelSee
Operat or'sManual *T
hecoolant leve lis toolow.
* NO
TEEngi nedama gedue toinsuf ficie ntcool ant #
Avoid long journeys wit hins ufficie ntcool ant. #
Addcoolant (/page266 ). #
Have theengine cooling system checkedat aqu alif ied spec ialistwo rkshop.
ÿ
Coola ntToo HotStop Vehi-
cle Turn Engine Off *T
hecoolant istooho t. #
Pull overand stop theve hicle safely and switc hof fth eengine, paying attent ion toroad and traffic condi tions. &
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld
co me intoco ntact withho tga ses orother escaping operating fluids. #
Beforeopen ingthehood, allowtheengine tocool down. 34
6
Dis play messa gesand warning/ indic ator lam ps

Tr
ansmis sion Di
spla ymessag es
Possible causes/conseq uencesand0050 0050
Solutions
Only Shift to'P' when Vehi-
cle isStationary *
Pa rk position 005Dcan beeng aged onlywhen theve hicle isstatio nary. #
Tostop, depr essthebr ak epedal. #
Shif tth etra nsmiss iontopar kposition 005Dwhile theve hicle isstatio nary.
App lyBra ketoShi ftfrom
'P' *
Yo uha ve attem pte dto shif tth etra nsmiss ionout ofpar kposition 005Dand intoano ther tra nsmiss ionposition . #
Depr essthebr ak epedal. #
Select transmiss ionposition 005B,005Eorneutr al005C.
To Deselec tP or N,
Depress Brakeand Start
En gine *
Yo uha ve attem pte dto shif tth etra nsmiss ionout ofpar kposition 005Dorneutral 005Cand intoano ther tra nsmiss ion
position . #
Depr essthebr ak epedal. #
Chang eth etra nsmiss ionposition . #
Startth eengine.
Apply Braketo Shift to'R' *
Youha ve attem pte dto select transmission position005E. #
Depr essthebr ak epedal. #
Select transmiss ionposition 005E.
Driver 'sDoor Open &
Transm issionNotinPRisk
of Vehicle RollingAway *
The driver's door isno tfully closed andtransmiss ionposition 005B,005Eorneutr al005C isselect ed. #
Select parkposition 005Dwhen switchingoffth eve hicle. 34
8
Dis play messa gesand warning/ indic ator lam ps

Onl
yShif tto 'P' when Vehicle isSta‐
tio nar y.................................................3 48
PRE-S AFEInoper ativeSee Oper a‐
to r's Manua l..... ........... ........................ 336
RA CE STAR TCa ncel ed<0011001100110011001100110011001100110011001100110011001100110011
001100110011> ......360
RA CE STAR TNo tPo ssible SeeOper‐
at or's Manual ...................................... 360
Ra dar SensorsDir tySee Oper ator's
Manual ................................................ 365
Re ar Spo ilerCon trol Sy stem Inoper a‐
tiv e ............... ....................................... 343
Re ar Spo ilerInoper ativeLim it###
mp h..................................................... 344
Re versing NotPo ssible Service
Re quired .............. ................................ 349
Ser vice Required Do NotShif tGear s
Vi sit Dealer .......................................... 349
St op Vehicle LeaveEngi neRunning
Wa itTrans miss ionCoolin g.................. 350 Ti
re Press. Monit orCur rently
Un available .......................................... 368
Ti re Press. Monit orInopera tive ........... 368
Ti re Pressur eMonit orInopera tiveNo
Wheel Sensors .................................... 369
Ti re sOv erheat ed................................. 370
To Dese lect Por N, Dep ress Brak e
and StartEn gin e.................................. 348
To switc hengine off,pr ess and hold
St art/ Stop butt onforat lea st3
secs. orpress 3times. ........................ 346
Tr ans miss ionMalfun ction Stop ........... 349
Dis tance control
see ActiveDis tance AssistDIS TRONI C
DI ST RO NIC
see ActiveDis tance AssistDIS TRONI C
Do or
Loc king (emerg ency key) ................ .......5 6
Opening (from theinside) ............... .......5 4
Un loc kin g(emer gency key) ............ .......5 6
Un loc kin g(fr om theinside) ...................5 4 Door
controlpan el.....................................1 2
DO T,Tire Iden tificat ionNumbe r(TI N) ... 304
Do ubl e-clutc hfun ction ........... ................109
Dr ag Race
Se tting .................................................1 84
Dr aw bar
see Tow- bar system
Dr inking anddriving ................................. 96
Dr ive position
En gaging ..............................................1 09
Dr ive pr og ram dis pla y........... ..................107
Dr ive pr og rams
se eDY NA MIC SELE CT
Dr iver's seat
see Seat
Dr iving safetysy stem .............................1 20
ABS (Anti-loc kBr aking System) ........... 121
Ac tiveBr ak eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 124
BA S(Br akeAssi stSystem) ...................1 21
Cameras .............................................. 120
EBD (electr oni cbr ak efo rc edis tribu‐
tion )..................................................... 124 398
Index

Inf
ormation ....................................... ... 258
Spar ewhee l
see Emer gency sparewheel
Specia lseat beltretract or <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> ..47
Specialis two rkshop ..................................2 2
Speec hdialog system
see Voice Cont rolSy stem
Speed index(tir es) ..................................3 06
Spor tsexhaus t
see AMG Perfor mance adjustable
ex haus tsy stem
St andar d
see Lane Keeping Assist
St anding lights .......................................... 80
St art/S topbutt on
Emo tion Start.................................. ...... 95
Pa rking theve hicle ...............................1 14
St artin gth eve hicle ...............................9 4
Swi tching onthepo we rsupp lyor
ignitio n..... ................ ............................. 93
St art/s topfunc tion
see ECOstar t/ stop funct ion St
arting
see Vehicle
St arting assistance
see Jump -sta rt connecti on
St arting-o ffaid
see Hillstar tassis t
St ation
Dele ting .......................................... ..... 253
Dir ect freq uency entry....... .................253
Mo ving ................................................ 253
Sear ching ........................................ .... 253
Se tting ............................................ .....2 53
St or ing ............................................. ... 253
St ation list
Ca lling up ....... ................................... ..253
St ation prese ts
Mana ging............................................253
Ste ering
Re ar axle steer ing ..................................9 9
Ste ering wheel .........................................1 48
Ad jus ting (electr ica lly)............. ..............71
Butt ons <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>........148
Oper ating thememor yfunc tion .............7 3 Ste
ering wheel padd leshif ters .............. 110
St orag ear eas
see Stor ag ecom partmen t
St orag ecom partmen t........... .................... 76
Ar mr est<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .........76
Cen terconsole ...................................... 76
Doo r............ ............. .............................76
Glo vebox...............................................7 6
St orag ecom partmen ts
se eSt or ag ecom partmen t
St orag espa ces
USB ports.............................................. 76
Sulfur content......................................... 325
Sur round lighting ......................................84
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 84
Suspension AMG adaptivespor tsuspension sys‐
te m + ..... ..............................................1 36
Com ponents ........................................ 105
Measur ements .................................... 105
Sel ecting thesuspension setting ......... 137
Se ttings <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 105 41
2
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