2021 MERCEDES-BENZ GT COUPE key battery

Re
mo ving /ins ertin gthe eme rgency key #
Toremo ve:pu sh release catch1 inthe
dir ect ion ofthear row and simul taneou sly
pu lleme rgency key2 comp lete ly ou tof the
Smar tKey . #
Toinser t:push emergency key2 fullyin to
th eSmar tKey unt ilit en gage s.
Re lease catch1 mus tth en be bac kin the
basic position . Re
plac ingthe Smar tKey batt ery &
DANG ER Serious damag eto healt h
caused byswallo wing batteries
Batt eries cont aintoxic and corrosiv esub‐
st anc es.Swallo wing batteries ma ycause
ser ious damag eto healt h.
Ther eis arisk offata linj ury. #
Keep batt eries out ofthere ac hof chil‐
dr en. #
Ifbatt eries aresw allo wed,seek medical
att ent ion immediat ely. +
ENVIR
ONMEN TALNO TEEnvironme ntal
da ma gedue toimproper disposal ofbat‐
te ries Batt
eries con tain polluta nts. Itis
illeg alto dispose ofthem withth ehousehold
ru bbish. #
Dispose
ofbatt eries inan
en vironmen tally re sponsible manner.
Ta ke disc hargedbatt eries toaqu alif ied
spec ialistwo rkshop ortoacol lection
poin tfo rused batteries. Re
quirement s:
R Youre qu ire aCR202 53V cell battery.
Mer cedes-Ben zre comme ndsthat youha ve the
batt eryre placed ataqu alif ied spec ialistwo rk‐
shop. #
Remo vetheemer gency key(/ pag e52 ). 52
Opening and closing

#
Press emer gency key2 into theopening in
th eSmar tKey inthedir ect ion ofthear ro w
unt ilbat tery com partment cover1 opens.
When doingso,donothold batterycom part‐
ment cover1 shut. #
Remo vebatt erycom partmen tco ver1. #
Repeat edly taptheSmar tKey agains tyo ur
palm untilbat tery 3 falls out oftheSmar t‐
Ke y. #
Inser tth ene wbatt erywit hth epositiv epole
fa cing upwa rds. Use alint-fr eeclothtodo so. #
Mak esur eth at thesur face ofthebatt eryis
fr ee oflint, grease andother impur ities. #
Inser tth efront tabsof batt erycom partment
co ver1 intoth ehousing andthen press to
clos eit. #
Inser teme rgency key2 into theSmar tKey . Pr
oblems withtheSm artK ey Yo
ucan nolon gerlo ck orunloc kth eve hicl e
Po ssible causes:
R The Smar tKey batt eryis we ak ordisc harged.
R The Smar tKey isfaulty . #
Chec kth ebatt eryusing theindicat orlam p
and replace ifnec essar y(/ page52). #
Use theemer gency keyto loc kor unloc k
(/ page52). #
Have theSmar tKey checkedat aqu alif ied
spec ialistwo rkshop.
Ther eis int erfere nce from apo we rful radio
sig nal source
The Smar tKey function isim pai redby ,fo rex am‐
ple:
R Highvo ltag epo we rlines R
Mobi lephones
R Electr onicdevices (notebook s,Table ts)
R Shielding duetome talobje ctsor induc tion
loops forelectr icalgate systems oraut o‐
matic barrier s #
Mak esur eth at ther eis asuf ficie ntdist anc e
be tween theSmar tKey and thepo tentia l
sou rceof interfere nce.
Yo uha ve los ta Sma rtKe y #
Have theSmar tKey deactiv ated ataqu alif ied
spec ialistwo rkshop. #
Ifnecessar y,ha ve themec hanical lock
re placed aswell. Open
ingand closing 53

Smar
tKey Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00AF Obtain aNew Key *T
heSmar tKey nee dstobe replaced. #
Consult aqu alif ied spec ialistwo rkshop.
00AF Repla ceKey Battery *T
heSmar tKey batt eryis disc harged. #
Replace thebatt ery(/ page52).
00AF Key NotDetected(whit e
displa ymessag e) *T
heSmar tKey iscur rentl yund etect ed. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Ifth eSmar tKey isstill no tre cogni zed,star tth eve hicle withth eSmar tKey (/ pag e95). Displa
ymessag esand warning/ indic ator lam ps 33
7

Dr
ive pr ogr ams............ ........................ 105
DY NA MIC SELE CTswitc h.................... 105
E-SELEC Tsel ect orleve r...... ................. 108
Eng aging drive po sitio n............ ........... 109
Eng aging neu tral ............ ...................... 109
Eng aging park position ........................ 109
Eng aging reve rsege ar .........................1 09
Kic kdo wn ....... ......................................111
Manual gearshif ting.............................1 10
St eer ing wheel paddle shifters ............. 110
Tr ans miss ionposit iondispla y........ ...... 108
Tr ans miss ionposit ions........................ 108 B
BA S(Br akeAssis tSy stem) .....................1 21
Batt ery
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 52
Batt ery
see Battery(v ehi cle)
Batt ery(v ehi cle) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 285
Ch arging <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 284
No tes ................................................... 281
No tes(s ta rting assis tance and
ch argin g) .............................................2 82 Re
placing ............................................ 285
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ....284
Bel t
see Seatbe lt
Bli nd Spo tAs sist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 143
Ac tivati ng/d eactiv ating ........... ............144
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>143
Sy stem limit ations ........................... ....1 43
Blue tooth®
<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 174
Ac tivati ng/d eactiv ating ........... ........... .174
Inf ormation ...................................... .... 173
Blue tooth®
audio
Ac tivati ng ........... ................................. 250
De-a uthor izing (de-r egiste ring) the
de vice .................................................. 251
Inf ormation .................................... ...... 248
Ov ervie w .......................................... ... 249
Sea rching fora trac k ..... ...................... 251
Sear ching forand author izing the
de vice .................................................. 249
Sel ecting amed iaplay er ..................... 250
Br ak eAssis tSy stem
see BAS(Br akeAssi stSystem) Br
ak efluid
No tes .................................................. 328
Br ak efo rc edis tribut ion
EB D(elec tronic brak efo rc edis tribu‐
tion )..................................................... 124
Br ak esy stem
AB S.....................................................1 03
Br ak ecali per ....................................... 104
Br ak ecool ing <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>104
Br ak ediscs <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 103
Br ak efluid ...........................................1 03
Br ak ehose .......................................... 104
Br ak eline <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>..104
Br ak epa ds <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 103
No tes ................................................... 103
Br ak es
ABS (Anti-lock Braki ng System) ........... 121
Ac tiveBr ak eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 124
AMG ceramichigh-p erform anc e
com posit ebr ak esy stem ......................1 00
BA S(Br akeAssi stSystem) ...................1 21
Dr iving tips............ ................................96
EBD (electr oni cbr ak efo rc edis tribu‐
tion )..................................................... 124
HOLD functio n............ .........................132 Inde
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