2021 MERCEDES-BENZ GT COUPE check engine light

#
Toswitc hon theignit ion:press butt on1
twic e.
The indic ator lam psintheins trument cluster
light up.
The ignit ionisswitc hedoffag ain ifone ofthe
fo llo wing condition sis me t:
R Youdo notst ar tth eve hicle within
15 minut esand thetransmission isin posi‐
tion 005Dortheelectr icpar king brak eis
applied.
R Youpr ess button1 once .
% Youcan also switchon thepo we rsupp lyor
th eignition withth eSmar tKey intheignition
loc k(/ page95). St
arting theve hicl e St
arting theve hicl ewith thest ar t/s topbut‐
to n &
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 offire due toflammab le
mat erial intheengine compartmen tor
th eex haus tsy stem
Flammable materials mayignit e. #
Ther efor e, checkre gular lythat ther e
ar eno flammab lemat erials inthe
engine compartmen tor on theex haus t
sy stem. Re
quirement s:
R The Smar tKey islocat edintheve hicle and
th eSmar tKey batt eryis no tdisc harged. #
Shif tth etra nsmiss iontoposition 005Dor005C. #
Depr essthebr ak epedal andpress butt on
1 onc e. #
Ifth eve hicle does notst ar t:switc hof fnon-
essential consumer sand press butt on1
once. #
Ifth eve hicle still does notst ar tand theKey
Not Detecteddispla ymessag ealso appear s
in themultifunc tiondispla y:star tth eve hicle
wit hth eSmar tKey (/ pag e95).
% Youcan switchoffth eengine whiledriving
by pressing button1 forabo utthre esec‐
onds orby pressing button1 thre etimes
wit hin thre esecon ds.Besureto obser vethe
saf etyno tesunder "Driving tips"
(/ page96). 94
Driving and parking

%
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

#
Onlyuse batterych arge rs wit hamax i‐
mum chargin gvo ltag eof 14.8 V. When
chargin gth ebatt eryand during star tin g
assis tance, alwa ys use thejum p-start connec‐
tion pointintheengine compartmen t.
* NO
TEDama ging thebatt eryth ro ugh
ove rvolt age When
chargin gusin gabat tery charge rwit h‐
out amaximu mchargin gvo ltag e, thebatt ery
or theve hicle electr onics maybe damag ed. #
Onlyuse batterych arge rs wit hamax i‐
mum chargin gvo ltag eof 14.8 V. &
WARNIN GRisk ofexplosion during
ch argin gpr oce ssand star tin gassis tance
Dur ing thech argin gpr oce ssand star tin g
assis tance, thebatt eryma yre lease anexplo‐
siv ega smixtur e. #
Avoid fire ,open flames ,cr eat ing spar ks
and smoking. #
Mak esur eth er eis suf ficie ntventil a‐
tio n. #
Donotle an ove ra batt ery. &
WARNIN GRisk ofexplosion from afro‐
zen battery
A disc hargedbatt eryma yfreeze attemp era‐
tur es slightl yabo veorbelo wfreezing point.
Dur ing star tin gassis tance orbatter ych arg‐
ing ,bat tery gascan bereleased. #
Alw aysallo wabatt eryto thaw before
ch argin git or per form ing star tin gassis ‐
ta nce. If
th eindicat or/warning lampsintheins trument
clus terdo notlig ht up atlow temp eratur es,itis
ve ry likelyth at thedisc hargedbatt eryhas fro‐
zen .In this case youma yne ither jump-start the
ve hicle norcharge thebatt ery.
The service life of abatt eryth at has been
th awe dma ybe dramaticall yshor tened .The
st ar tin gch aract eristic sma ybe impair ed,espe ‐
ciall yat low temp eratur es. It
is recomme ndedthat youha ve ath aw ed bat‐
te ry checkedat aqu alif ied spec ialistwo rkshop.
* NO
TEDama gecau sed bynum erou sor
ex tende datt em ptsto star tth eengine Nu
me rous orextende datt em ptsto star tth e
engine maydamag eth ecat alytic converter
due tonon-co mbusted fuel. #
Avoid numer ousand extende datt em pts
to star tth eengine. Obser
vethefo llo wing pointsdur ing star tin g
assis tance and when chargin gth ebatt ery:
R Onlyuse undamag edjum per cables/c harg‐
ing cables withasuf ficie ntcross -secti onand
insu late dte rm inal clam ps.
R Non-insulat edpar tsof thete rm inal clam ps
mus tno tcom eint ocon tact with other metal
par tswhile thejum per cable/c harging cable
is con nect edtothebatt ery/jum p-start con‐
nectio npoi nt.
R The jumper cable/c harging cable mustno t
com eint ocon tactwi th anypar tswhic hma y
mo vewhen theengine isrunning . Br
ea kdo wnassist anc e283

0058
Lo
wbeam (/page80)
0057 High
beam (/page81 )
003E003D Tu
rn signal light(/page81 )
005E Re
ar foglam p(/ page80) Occupant
safety Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0075 Re stra int system warning
lam p The
redre stra int system warning lam pis lit while theengine isrunning .
*Th ere stra int system ismalfunct ioning(/page30). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
Com ponen tsinthere stra int system maybe activ ated unint entionally ornotdeplo yas planned inan acciden t. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. #
Drive on car efully . #
Notethemessag eson themultifunc tiondispla y. #
Con sult aqu alif ied spec ialistwo rkshop immediat ely. 37
4
Display messa gesand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop. Indoing so,ensur eth at the
cool anttemp eratur edispla yre mains belowthere dar ea.
00B9 En gine diagnosis warning
lam p The
yello wChec kEn gine warning lam pis lit while theengine isrunning .
*A malfunctio nha soccu rred intheengine, theex haus tsy stem orthefuel system.
The emission limitvalues maybe exceed edand theengine maybe inemer gency mod e.
In som est at es, legalrequ iremen tsstipulat eth at youmus timm ediat elyco nsult aqu alif ied spec ialistwo rkshop as
soon astheye llo wChec kEn gine warning lam plight sup. #
Have theve hicle checkedas soon aspossible ataqu alif ied spec ialistwo rkshop.
003D Electr icalmalfunction warn‐
ing lam p The
redelect rical fault warning lam pis lit.
*T her eis afa ult intheelectr ics. #
Notethemessag eson themultifunc tiondispla y.
00B6
Fu elreser vewarning lam p The
yello wfuel reser vewarning lam plight sup while youar edr ivin g.
or
The yello wfuel reser vewarning lam plight sup while theengine isrunning .
* The
yello wfuel reser vewarning lam plight sup while youar edr ivin g:
Ther ehas been pressu reloss inthefuel system. Thefuel filler cap isno tclos edcor rectl yor thefuel system isleak‐
ing. 37
8
Display messa gesand warning/ indic ator lam ps