2021 MERCEDES-BENZ GT 4-DOOR COUPE warning light

Symbols
........................................................ 5 At
agl ance ....................................................6
Coc kpit ....... ..................... ..................... ..........6
Indica torand warning lam ps.........................1 0
Ov erhead controlpanel ................................ 14
Doo rop erati ng unitand seatad jus tment .....16
Emerg enciesand brea kdo wns ............ .......... 18 Digita
lOp erator' sMa nua l......................... 20
Callin gup theDigit alOper ator's Manual ...... 20 Gener
alno tes... .......................................... 22
Pr otect ing theen vironmen t... ....................... 22
Genuine Mercedes- Benzparts......................2 2
Oper ator's Manual ........................... .............2 3
Ser vice andvehicle operation ......... .............. 24
Oper ating safety...........................................2 5
Decl arati on ofconf ormity forwireless
ve hicle component s... ................................... 27
Dia gno stics con nection ................................ 27
Qua lified speci alistwo rkshop ....................... 29
Cor rect useof theve hicle ............................2 9 No
tesfo rper sons withelectr onicmedi‐
cal aids..... ........................................ ............ 29
Pr oble mswithyo ur vehicle ............... ............ 30
Re por tingsaf etydef ects ...............................3 0
Limit edWarrant y.......................................... 31
QR code forre scue card... ............... .............3 1
Dat ast or ag e... ..............................................3 1
Cop yright ...................................................... 36 Occup
antsafety.... ..................................... 37
Re stra int system .............................. .............3 7
Sea tbel ts<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 39
Airb ags<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 44
PRE-S AFE®
sy stem ........................................5 1
Saf ely transp orting childr enintheve hi‐
cle ...... ..........................................................5 3
No teson pets intheve hicle ............ .............6 6 Opening
andclosing .................................. 67
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 67
Doo rs<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 71
Car gocomp artm ent ...................................... 74
Sid ewi ndo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 79
Sli ding sunroof <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 82Sunb
lind and roller sunblin d.........................8 5
Anti-t heftpr otect ion .....................................8 6 Seats
andstowing ..................................... 90
No teson thecor rect driver's seatpos i‐
tion <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011>.......90
Sea ts<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011>....91
St eer ing wheel ..............................................9 9
Eas yentr yand exitfeatur e.........................1 00
Memor yfunction ........................................ 101
St ow agear eas ............................................ 102
Cup holder...................................................1 11
Soc kets ........... ............................................ 111
Wi reless chargin gof themobile phone
and connect ionwithth eex terior ant enna ...114
Ins talling/ remo ving thefloor mats .............. 116 Light
andvisibili ty.................................... 118
Ext eriorlighti ng............. ..............................118
Int erior ligh ting ........................................... 123
Wi ndsh ield wipe rand windsh ield wa sher
sy stem ........................................................ 124
Mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 127 2
Contents

1
â DRIFTMODE
2 003E003D Turn signal lights →
119
3 0075 Restra int system →
399
4 Æ ESP®
SPOR T →
409
¤ ESP®
OFF →
409
5 00BB ESP®
OFF →
409
00E5 ESP®
→
409
6 005E Rear foglam p →
119
7 Electricpa rking brak e(red) →
405
0049 USAonl y
0024 Canada only
8 Brak es(red) →
405
0027 USAonl y
004D Canada only
9 ÿ Coolant temp eratur e →
401
A Coolant temp eratur edispla y →
227 B
0024 Electric pa rking brak e(yello w) →
405
C 00C6 Recup erati ve Brak eSy stem, USAonl y →
405
004D Brak es (yello w), Canada only →
405
D Ù Powe rst eer ing →
401
E 0025 ABS →
409
F 0077 Tire pressur emonit oring system →
412
G 003D Electrica lma lfunctio n →
401
H L Distance warning →
408
I 00B6 Reser vefuel withfuel filler flap locatio n
ind icat or →
401
J Fuelleve l →
227
K 0057 Highbeam →
119
0058 Lowbeam →
118
0060 Parking lam ps →
118
L ~ Rear wing →
208
M 00E9 Seatbelt →
399 At
aglanc e– Indicat orand warning lam ps 11

1
B-pil larwi th:
QR code foraccessi ngthere scue card →
31
2 Safetyve sts →
285
3 ; mebutt on →
253
0053 SOSbutton →
253
4 Checking and refilling operatingfluids →
339
5 Tow- star tin gor towing away →
297
6 Flat tire →
286
7 Startin gassis tance →
296 8
002F Hazardwa rning light system →
120
9 Fuelfiller flap with:
inf ormat ionlabel onfuel type →
157
Inf ormation labelon tirepr essur e →
309
QR code foraccessi ngthere scue card →
31
A Tow- star tin gor towing away →
297
B TIREFIT kit →
288
C Warning triang le →
285
D First-ai dkit →
286 At
aglanc e– Em erge ncie sand brea kdo wns 19

te
m wa rning lam plight sup. Itgoes outnolater
th an afe w sec ond saf te rth eve hicle isstar ted.
The com ponen tsof there stra int system areth en
func tional. Malfu
nctioning restra int system A
malfun ction has occurredin there stra int sys‐
te m if:
R The 0075 restra int system warning lam p
does notlight upwhen theignition is
switc hedon
R The 0075 restra int system warning lam p
light sup con tinuousl yor repeat edly during a
jour ney &
WARNIN GRisk ofinju rydue tomalfu nc‐
tions inthere stra int system
Com ponen tsinthere stra int system maybe
activ ated unint entionall yor notdeplo yas
planned inan acciden t. #
Have there stra int system checkedand
re pair edimmediat elyat aqu alif ied spe‐
cialis two rkshop. Fu
nction ofthere stra int system inan acci‐
dent Ho
wthere stra int system worksdepends onthe
se verity of theim pact detected and theappar ent
type ofacciden t:
R Front alim pact
R Rear impact
R Sideim pact
R Rollover
The activ ation thre sholds forth ecom ponen tsof
th ere stra int system arede term ined based on
th eev aluatio nof thesensor values measur edat
va rious points intheve hicle. Thisprocess ispre-
em ptive in nat ure. The trigg ering/ deplo yment of
th ecom ponen tsof there stra int system mus t
ta ke place ingood timeatthest ar tof thecolli‐
sion.
Fa ctor swhi chcan only besee nand measured
af te ra colli sion hasoccur redcann otpla ya deci‐
siv ero le in airbag deployment .Nor dothey pro‐
vide anindicat ionofairbag deployment .
The vehicle maybe def ormed signif icantl ywit h‐
out anairbag beingdeployed. This isthecase if onl
ypar tswhic har ere lativ elyeasil ydef ormed
ar eaf fect ed and thera te ofvehicle deceler ation
is no thigh. Conversely ,an airbag maybe
deplo yedev en though theve hicle suffers onl y
minor deformation. Ifve ry rigid vehicle parts
suc has longitudinal membersar ehit, this ma y
re sult insuf ficie ntly highleve ls of vehicle decel‐
er ation.
Depending onthede tected dep loyme ntsitu a‐
tion, thecom ponen tsof there stra int system can
be activ ated ordeplo yedindepen dentlyof eac h
ot her :
R Emer gency Tensi oni ng Device :fr ont al
im pa ct, rear impact ,side impact ,ro llo ver
R Driver' sai rba g,front passe nger airba g:fron‐
ta lim pact
R Knee airbag: front alim pact
R Side airbag: sideimpact
R Windo wcur tain airbag: sideimpact ,ro llo ver,
fr ont alim pact
R PRE-S AFE®
Im pul seSide: sideimpact
The front passeng erairb agcan onlybe depl oyed
in an acciden tif th ePA SSENGER AIRBAGOF F 38
Occupan tsaf ety

*
NO
TEDep loym ent oftheEmer gency
Te nsi oni ng Device when thefront -
passeng erseat isunocc upied If
th eseat belttongu eis eng aged intheseat
belt buckleoftheunocc upied front -
passeng erseat, theEmer gency Tensi oni ng
De vice mayal so deploy intheev ent ofan
acciden talong withot her systems. #
Onlyone person should useeachseat
belt atanyone time. Seat
beltadjustm ent function Ve
hicl eswith PRE-S AFE®
:Af tera front seat
belt hasbeen fastened, theaut omatic seatbelt
adjus tmentma yappl ya cer tain tigh tening forc e.
Do nothold theseat belttight lywhile itis
adjus ting.
Yo ucan activat eand deac tivateth eseat belt
adjus tmentfunc tion using themultimedia sys‐
te m (/ page43) . Ac
tiv atin g/deac tivatin gse at beltadjus tment
vi athe multi mediasy stem Multi
media system:
4 © 5
Set ting s5
Vehicle #
Activateor deacti vate Belt Adjus tment . Re
leasing seatbelts #
Press there lease buttonintheseat belt
buc kleand guide theseat beltbackwit hth e
seat belttongu e. Se
at beltwa rning funct ionforthe driver and
fr on tpass enger The
00E9 seatbeltwarning lam pin theins tru‐
ment displa yis are minder that all vehicle occu‐
pants mustwe artheir seat belts correctly .
The 00E9 seatbel twa rning lam plight sup forsix
seconds everytim eth eve hicle isstar ted.
In addition, awa rning tone maysou nd.
Whe nth edr iver's andfront passeng er'sdoor s
ar eclosed andthedr iver and front passeng er ha
ve fastened their seat belts, theseat belt
wa rning goes out.
In thefo llo wing cases ,th eseat beltwarning
light sup dur ing ajour neyif:
R The vehicle speed exceeds 15mp h
(25 km/ h)and thedr iver's orfront
passeng erseat beltisno tfa stened.
R The driver or front passeng erunf astens their
seat beltwhile theve hicle isin mo tion. Occupant
safety 43

Fu
nction ofthePA SSEN GERAIRBAGindic a‐
to rlam ps Se
lf-te st of aut oma ticfront passeng erair bag
shu toff
When theignition isswitc hedon,aself-t estis
per form ed dur ing whic hth etw oPA SSENGER
AIR BAGON and OFFind icat orlam pslight up
simul taneou sly. The
status ofthefront passeng erairbag isdis‐
pla yedvia thePA SSENGER AIRBAGind icat or
lam psafte rth eself-t est:
R ON islit:th efront passeng erairbag may
deplo ydur ing anacciden t.
The indicat orlam pgoes outafte rapp rox‐
ima tely 60 seco nd s.
R ON andOF Far eno tlit :th efront passeng er
airbag maydeplo ydur ing anacciden t.
R OFF islit:th efront passeng erairbag isdisa‐
bled. Itwill then notbe deplo yedin theev ent
of an acciden t.
If th ePA SSENGER AIRBAGON indicat orlam pis
of f,on lythePA SSENGER AIRBAGOF Find icat or
lam psho wsthest atus ofthefront passeng er
airbag. ThePASSENGER AIRBAGOF Find icat or
lam pma ybe litcon tinuousl yor be off.
If th ePA SSENGER AIRBAGOF Find icat orlam p
and the0075 restra int system warning lam p
light upsimult aneousl y,thefront passeng erseat
ma yno tbe used. Alsointhis case, donotins tall
a ch ild restra int system onthefront passeng er
seat. Have theaut omatic front passeng erairbag shut
offch eckedand repair edimmediat elyat a
qu alif ied spec ialistwo rkshop.
St atus displa y
If th efront passeng erseat isoccupied, ensure,
bo th bef oreand during thejour ney,that thest a‐
tus ofthefront passeng erairbag iscor rect for
th ecur rent situa tion.
Af terin st alli ng are ar wa rd-faci ng child
re stra int system onthefront passeng er
seat :PA SSENGER AIRBAGOF Fmus tbe litcon ‐
tin uousl y. &
WARNIN GRisk ofinju ryor deat hwhen
using are ar wa rd-faci ng child restra int
sy stem while thefront passeng erairbag
is enabled
If yo usec ureach ild inare ar wa rd-faci ng
ch ild restra int system onthefront passeng er
seat andthePA SSENGER AIRBAGOF Find i‐
cat orlam pis off,th efront passeng erairbag
can deplo yin theeve ntofan acci dent.
The child could bestru ck bytheairbag. Occ
upant safety 49

Fu
nctions ofESP ® &
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
th eElect ronic Stabilit yPr ogram (ESP®
):
R ESP®
ON
R ESP®
SPO RT
R ESP ®
OFF
Ch arac terist ics when ESP®
is activ ated
ES P®
mon itor sand improve sdr iving stabilit yand
tracti on,par ticular lyin thefo llo wing situat ions:
R When pulling away on wetor slip pe ry road.
R When brakin g. R
Instro ng side winds when youar edr ivin g
fa ster than 47 mp h(7 5 km/h).
ESP ®
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 cor don edoffro ads.
Dr ivin gwit hES P®
SPO RTorwit hESP ®
deactiv a‐
te dre qu ires an extreme lyqu alif ied and exper i‐
enc eddriver .
If ES P®
SPOR Tis activ ated and one ormor e
wheels star tto spin, the00E5 ESP®
wa rning
lam pon theins trument clusterflashes .ES P® Dr
ivin gand parking16
9

th
en onlyst abiliz estheve hicle toalimit ed
degr ee.
ES P®
SPO RTalso hasthefo llo wing charact eris‐
tic s:
R ESP®
on lyimpr oves driving stabilit yto alimi‐
te ddeg ree.
R ETS/4 ETStraction control isstill act ive.
R The engin e'storq ue ison lyrestrict ed toa
limit eddeg reeand thedr ive wheels canspin.
The spinn ingofthewheels results inacut‐
ting action forbe tter traction onloose surfa‐
ces.
R ESP ®
continu estoprov ide assis tance when
th ebr ak es arefirm lyapplied .
R Cross wind Assis tis no longeractiv e.
Char acteristics when ESP®
is deactiv ated &
WARNIN GRisk ofskid ding ifESP ®
is
dea ctivated
If yo udeac tivateES P®
,ES P®
can notcar ry
out vehicle stabiliz ation. #
ESP®
shoul don lybe deactiv ated inthe
fo llo wing situat ions. When
ESP®
is deact ivat ed, the00BB and¤
wa rning lam pslight upcon tinuousl yin the
ins trumen tclus ter.
Dea ctivating ESP ®
ha sth efo llo wing effects:
R Driving stabilit ywill nolongerbe improve d.
R The drive wheels couldspin.
R ETS/4 ETStra ction control isstill act ive.
R Crosswin dAss istis no long eract ive.
% Even when ESP®
is deact ivat ed, youar est ill
assis tedby ESP ®
wh en braki ng hard.
It ma ybe bes tto act ivat eES P®
SPO RTordeacti‐
va te ESP ®
in thefo llo wing situat ions:
R When usingsnowch ains .
R Indeep snow .
R Onsand orgrave l.
% Spin ningth ewheels results inacutting
action, whichenhances traction. %
ActivateESP ®
as soo nas thesituation s
descr ibedaboveno long er apply .ESP ®
wi ll
ot her wise notbe able tostabiliz eth eve hicle
if th eve hicle star ts to skid orawheel star ts
to spin.
If th e00E5 ESP®
wa rning lam plight sup con tinu‐
ousl yeve nwh en ESP ®
is acti vated, ES P®
is no t
av ailable duetoamalf unction.
Obse rvean yinf ormation whichis displa yedin
th eins trument cluster:
R Indicat orand warning lam ps(/ page39 7)
R Disp lay mess ages (/ page349)
ET S/4ET S(Electr onicTractio nSy stem)
ET S/ 4ETS tracti oncontr olispa rtof ESP ®
.
ET S/4 ETScan improve theve hicle's traction by
int erve ning inthefo llo wing ways:
R The drive wheels arebr ak ed individually if
th ey spin.
R Mor edr ive to rq ue istrans ferred tothewheel
or wheels withtra ction. 17
0
Driving and parking