key MERCEDES-BENZ A CLASS 2023 User Guide

#
Have theve hicle andSmar tKey checkedat a
qu ali/ed special istwo rkshop.
Ther Ther
eis int e
is int erf er
fer er
ence fr ence
from apo w om
apo wer er
fulr fu
lradio signal adio
signal
sour sour
ce ce
Po ssible causes ifth efunction ofKEYLESS -GOis
im pair ed:
R High voltag epo we rlines
R Mobile phones
R Electr onicdevices (notebook s,table ts)
R Shieldin gdue tome talobjects orinduction
loops forelectr icalgate systems oraut omati c
bar rier s #
Mak esur eth at ther eis su1cien tdist ance
be tween theSmar tKey and thepo tential
sou rceof interfere nce. AA
ctiv ctiv
ating /dea ctiv ating
/dea ctivating t ating
the aut he
aut oma ticloc oma
ticlocking f king
fea- ea-
tur e tur
e The
vehicle isloc kedaut omaticall ywhen theve hi-
cle isswitc hedonand thewheels aretur ning
fa ster than walking pace. #
T T
o activ o
activ at at
e: e:
press and hold button2 for
appr oximat ely/v eseconds untilanacoustic
signal sounds. #
T T
o deactiv o
deactiv at at
e: e:
press and hold button1 for
appr oximat ely/v eseconds untilanacoustic
signal sounds.
The redindicat orlam pon butt on2 lights up
once theve hicle isloc ked. In
thefo llo wing situations, ther eis adang erof
being lockedout when thefunction isactiv ated:
R While theve hicle isbein gto w- star tedor
pushed
R Ifth eve hicle isbein gte sted on aro ller dyna-
mome ter LocLoc
king/unloc king/unloc
kingt king
the v he
vehic lewit ehic
lewit ht h
the emer - he
emer -
g g
ency key ency
key LocLoc
king/unloc king/unloc
kingt king
the dr he
driv iv
er's door wit er's
door witht h
the he
emer g emer
gency key ency
key
% Ifyo uwish toloc kth eve hicle entirel yusin g
th eemer gency key,/rst pres sth ebutt onfor
loc king from theinside whilethedr iver's door
is open. Thenproceed toloc kth edr iver's
door using theemer gency key. 7272
Opening
andclosing

#
Remo vetheemer gency key(/ page68) . #
Inse rttheemer gency keyas faras itwill go
int oopening 1intheco ver. #
Pull and holdthedoor handle. #
Pull theco veron theemer gency keyas
str aigh tas possible awa yfrom theve hicle until
it re leases. #
Release thedoor handle. #
T T
o unloc o
unloc k: k:
tur nth eemer gency keycoun ter-
cloc kwise toposition 0047. #
T T
o loc o
loc k: k:
tur nth eemer gency keycloc kwise to
position 0047. #
Carefull ypr ess theco veront oth eloc kcy lin-
der until iteng ages and isseat ed/rml y. Loc Loc
king t king
the fr he
front passeng ont
passeng erdoor andr er
door andrear door s ear
door s #
Inser ta suit able object, e.g.theemer gency
ke y,int oopening 1onthedoor lock. #
T T
o loc o
loc kt k
the he
leT-han d leT-han
dside oft side
ofthe v he
vehicle: ehicle:
turn
th eemer gency keycoun ter-cloc kwise asfar
as itwill go. Open
ingand closin g
73 73

#
T T
o loc o
loc kt k
the r he
right-hand sideoft ight-hand
sideofthe v he
vehicle: ehicle:
turn
th eemer gency keycloc kwise asfaras itwill
go.
If th eloc keddoor isthen closed, itcan nolong er
be opened from theoutside. TT
r r
unk unk
Opening
t Opening
the tr he
trunk lid unk
lid &
D D
AN AN
GER GER
Riskofexhaus tga spoison ing
Combu stion enginesemit poison ousexhaus t
ga ses suchas carbon monoxide.Exhaus t
ga ses can entertheve hicle interior ifth etrunk
lid isopen when theve hicle isrunning, espe-
cia lly if th eve hicle isin mo tion . #
Alwaysswitc ho. theve hicle before
open ingthetrunk lid. #
Neverdr ive wit hth etrunk lidopen. *
N NO O
TE TE
Damag eto thetrunk lidbyobst a-
cles abovetheve hicle The
trunk lidswing supw ards when itis
open ed. #
Ther efor e, mak esur eth at ther eis su1-
cient clearance abovethetrunk lid. #
Pull thetrunk lidhandle. #
V V
ehicles wit ehicles
withHANDS- FREEA h
HANDS- FREEACCESS: CCESS:
Makea
kic king movement withyo ur foot belo wthe
bum per(/ page75). #
Pull remo teoper ating switch1 until the
tr unk lidopens .
or #
Press and hold the008B buttonontheSmar t-
Ke y. 7474
Opening
andclosing

Closing
t Closing
the tr he
trunk lid unk
lid &
W W
ARNIN G ARNIN
GRisk ofinjur yfrom unsecur ed
it ems intheve hicle
If obj ects, luggage orloads areno tsecur edor
no tsecur edsu1cient ly,th ey could slip,tip
ov er or be thro wn aroun dand ther eb yhit vehi-
cle occupan ts.
Ther eis arisk ofinjury, par ticular lyin the
eve ntofsud den brak ing orasud den chang e
in dir ecti on. #
Alwaysst ow objects insuc hawa yth at
th ey canno tbe thro wn aroun d. #
Beforeth ejour ney,secur eobj ects, lug-
ga ge orloads agains tslipping ortipping
ove r. Obser
vetheno teson loadin gth eve hicle.
N No o
t t
es on closin gt es
on closin gthe tr he
trunk lid: unk
lid:your vehicle is
eq uipp edwithaut omati cSmar tKey recogn ition.If
a Smar tKey belongin gto theve hicle isde tected in
th eve hicle, thetrunk lidwill notbe lockedand will
pop open again. No
tethat thetrunk lidwill notbe lockedifth efo l-
lo wing situation occurs:
R Youha ve loc kedth eve hicle andclose the
tr unk lidwhi leaSmar tKey belongin gto the
ve hicle isinsi detheve hicle.
and
R Asecon dSmar tKey belongin gto theve hicle is
no tde tected outsi detheve hicle.
Au tomatic SmartKey recogn itionis onl yan aid
and isno ta subs titutefo ryo ur att entiv eness. #
Beforeloc king, ensur eth at atleas tone
Smar tKey belongin gto theve hicle isoutsi de
th eve hicle. #
T T
o close t o
close the tr he
trunk lid: unk
lid:pull thetrunk liddown-
wa rdsusin gth ehandle recess andpush it
closed. HA
NDS- FREE A HA
NDS- FREE ACCES Sfun ction CCES
Sfun ction Wi
th HAND S-FREE ACCESS youcan open the
tr unk lidbyper form ing akic king movement under
th ebum per.
Obser vetheno teswhen openingthetrunk lid
(/ page74). Opening
andclosing
75 75

&
W W
ARNI NG ARNI
NGRisk ofbur nscause dby aho t
ex haus tsy stem
The vehicle exhaus tsy stem can become very
ho t.Ifyo uuse HANDS-FR EEACCESS, you
could burnyo urself bytouc hing theex haus t
sy stem. #
Alwaysensu rethat youonl ymak eakic k-
ing movement within thede tection rang e
of thesensor s. *
N NO O
TE TE
Damag eto theve hicle caused by
unint entionall yopening thetrunk lid R
When usinganaut omatic carwash
R When usingahigh pressur eclean er #
Deact ivat eth efunction oftheSmar tKey
in these situations.
or #
Mak esur eth at theSmar tKey isat amin-
imum distance of10 T(3 m) away from
th eve hicle. When
makingth ekic king movement, makesur e
th at youar estanding /rml yon thegr ound. You
could other wise loseyour balance, e.g.onice.
Obser vethefo llo wing notes:
R The Smar tKey isbehind theve hicle.
R Stand atleas t12 in(30 cm) awayfrom the
ve hicle while perform ing thekic king move-
ment.
R Donotcome intocont actwithth ebum per
while making thekic king movement.
R Donotcar ryout thekic king movement too
slo wly .
R The kicking movement mustbetowa rdsth e
ve hicle andbackag ain. 1
Detection rang eof thesensor s
If se veralconsecutiv ekic king movements areno t
successful, waitte nsec onds .
Sy st Sy
stem limits em
limits
The system maybe impai redor ma yno tfun ction
in thefo llo wing cases :
R The sensor sar edir ty,e.g. duetoroad salt or
sno w.
R The kicking movement ismade usingapr os-
th etic leg. 7676
Opening
andclosing

The
trunk lidcou ldbe ope ned unint entio nally,in
th efo llo wing situations:
R Aper son's arms orlegs aremo ving inthesen-
sor detection rang e, e.g. when polishing the
ve hicle orpic king upobj ects.
R Objects aremo vedor placed behind theve hi-
cle, e.g.th efuel pum phose, chargin gcable or
lug gage .
R Clam pingstraps, tarp sor other coverings are
pull edove rth ebum per.
R Apr otectiv emat withalengt hre ac hing over
th etrunk silldown intoth ede tection rang eof
th esensor sis used.
R The protectiv emat isno tsecur edcor rectl y.
Deactiv ateth efunction oftheSmar tKey
( / pag e67) ordo notcar rytheSmar tKey about
yo ur per son insuc hsituations. UUnloc nloc
king andopening t king
andopening the tr he
trunk fr unk
from inside with om
inside with
t t
he emer g he
emer gency r ency
release elease
RR
eq eq
uir uir
ements: ements:
R The 12Vve hicle batteryis conn ectedand
ch arge d. #
Press theemer gency release button1
br ie0y . Side
windo ws Sid
ewi ndo ws Openin
gand closing t Openin
gand closing the side windo ws he
side windows &
W W
ARNI NG ARNI
NGRisk ofentr apm entwhen ope n-
ing asid ewind ow
When opening aside windo w,par tsof the
body could bedraw nin or bec ome trapp ed
be tween theside windo wand windo wframe. #
When opening, makesur eth at nob ody is
to uc hing theside windo w. #
Ifsomeo neistrapped ,re lease thebut-
to nimm ediately or pull itin order to
close theside windo wag ain. &
W W
ARNIN G ARNIN
GRisk ofbecoming trapped when
closing aside windo w
When closing aside windo w,body partscould
be trapped intheclosing area inthepr ocess. #
When closing, makesur eth at no body
par tsarein theclosing area. Opening
andclosing
77 77

#
Duringtheclosing process, makesur e
th at no body partsarein theclosing
ar ea. #
Ifsomeone becomestrapped, press the
0062 buttontoopen theside windo w
ag ain. Con
v Con
venience opening (v enience
opening (ventilating t entilating
the v he
vehicle ehicle
bef bef
or or
est e
star ar
ting ajour ting
ajour ne ne
y) y)
&
W W
ARNIN G ARNIN
GRisk ofentr apment whenopen-
ing aside windo w
When opening aside windo w,par tsof the
body could bedraw nin or bec ome trapp ed
be tween theside windo wand windo wframe. #
When opening, makesur eth at nob ody is
to uc hing theside windo w. #
Release thebutt onimmediat elyif some-
body becomes trapped. RR
eq eq
uir uir
ements: ements:
R The Smar tKey isin theimmediat evicinity of
th eve hicle. #
Press and hold theÜ buttonontheSmar t-
Ke y.
The follo wing functions areper form ed:
R The vehicle isunl ocked.
R The side windo wsareopen ed.
R The pano ramic sliding roof isopened.
R The seat ventila tion ofthedr iver's seat is
switc hedon.
% Ifth ero ller sunblind ofthepanor amicsliding
sunr oofisclosed, thero ller sunblind is
opened /rst. #
T T
o int o
int err er
rup up
tcon v t
con venience opening: enience
opening: release the
Ü button. #
T T
o continu econ v o
continu econ venience opening: enience
opening:pr ess and
hold theÜ buttonagain. Con
v Con
venience closing(closing t enience
closing(closing the v he
vehicle fr ehicle
from out- om
out-
side) side)
&
W W
ARNIN G ARNIN
GRisk ofentr apment duetonot
pa ying attentio ndur ing con venienc eclo s-
ing
Whe nth econ venienc eclo sing featur eis oper -
atin g,par tsof thebody could become trapped
in theclosing area oftheside windo wand the
slidi ngsunr oof. #
When thecon venienc eclo sing featur eis
oper ating,moni torth eentir eclosing
pr ocess andmakesur eth at no body
par tsarein theclosing area. RR
eq eq
uir uir
ements: ements:
R The Smar tKey isin theimmediat evicinity of
th eve hicle. #
Press and hold theß buttonontheSmar t-
Ke y.
The follo wing functions areper form ed:
R The vehicle isloc ked.
R The side windo wsareclosed . Open
ingand closin g
79 79

R
The panoram icsliding roof isclosed. #
T T
o int o
int err er
rup up
tcon v t
con venien ceclosing: enien
ceclosing: release the
ß button. #
T T
o continu econ v o
continu econ venience closing: enience
closing:press and
hold theß buttonagain.
% Con venienc eclo sing alsofuncti onswithKEY -
LESS-GO (/page70). RR
eso l eso
lving pr ving
probl ems wit obl
ems witht h
the sidewind ows he
side windows &
W W
ARNI NG ARNI
NGRisk ofbec omi ngtrapp edor
fa ta lly injur edifre ve rsing protection isno t
activ ated
If yo uclose aside windo wag ain immediat ely
aTer ithas been blocked, theside windo wwill
close withincr eased ormaximum forc e. The
re ve rsing function isthen notactiv eand body
par tsma ybecome trapped. #
Mak esur eth at no par tsof thebody are
in theclosing area. #
Tostop theclosing process, release the
butt onorpress thebutt onagain to
re open theside windo w. A
sid ewind o A
sid ewind ow ca nno w
ca nno tbe closed and y t
be closed and you canno t ou
canno t
see t see
the cause . he
cause . #
Che cktosee whether anyobjects arein the
wind owguide . #
Adjust theside windo ws.
A A
djus djus
ting t ting
the side windo w he
side windo ws s
If aside windo wisobstr ucteddur ing closing and
re opens again immediat ely: #
Immedi atelyaTer this, pull and hold thecor re-
spond ingbutt onagain untilth eside windo w
has closed andhold thebutt onforat least one
mor esecond (re-adjust ment).
The side windo wwill beclosed without the
aut omati cre ve rsing function.
If th eside windo wisobstr uctedagain and
re opens again immediat ely: #
Immedi atelyaTer this, pull and hold thecor re-
spond ingbutt onagain untilth eside windo w
has closed andhold thebutt onforat least one
mor esecond (follo w-up adjustment).
The side windo wwill beclosed without the
aut omati cre ve rsing function. The
side windo w The
side windo ws canno s
canno tbe opened orclosed t
be opened orclosed
using t using
the con v he
con venience opening f enience
opening featur eatur
e. e.
Po ssible causes:
R The Smar tKey batt eryis we ak ordisc harged. #
Chec kth ebatt eryusing theindicat orlam p
(/ page66). #
Replace theSmar tKey batt ery, ifnecessar y
(/ page68). Sliding
sunr Sliding
sunroof oof
Opening
andclosing t Opening
andclosing the sliding sunr he
sliding sunroof oof
%
The term "slidin gsunr oof" also refers to the
panor amicsliding sunroof. &
W W
ARNIN G ARNIN
GRisk ofbecoming trapped when
th esliding sunroofisbeing opened and
closed
Body partsma ybecome trapped inthera ng e
of mo vement. 8080
Openin
gand closing

The
sliding sunr The
sliding sunroof canno oof
canno tbe closed and y t
be closed and you can- ou
can-
no no
tsee t t
see the cause . he
cause .
% The term "slidin gsunr oof" also refers to the
panor amaroof wit hpo we rtilt/sliding panel.
If th esliding sunroofisobstr ucteddur ing closing
and reopens again slightl y: #
Immedi atelyaTer automati cre ve rsing, pull
and hold the0057 buttondown again tothe
point ofresis tance until thesliding sunroofis
closed.
The sliding sunroofwillbeclosed with
incr eased forc e.
If th esliding sunroofisobstr uctedagain and
opens again slightl y: #
Repeat thepr ev ious step.
The sliding sunroofwillbeclosed again with
incr eased forc e.
V V
ehicles wit ehicles
withapanor h
apanor amar ama
roof wit oof
withpo w h
po wer tilt/ er
tilt/
sliding panel:Thesliding sunr sliding
panel:Thesliding sunroofort oof
orthe r he
roller sun- oller
sun-
blind isno blind
isno toper t
oper ating smoot ating
smoothl y hl
y. .
#
Resetth esliding sunroofand thero ller sun-
blind. R R
ese ese
tting t tting
the sliding sunr he
sliding sunroofand t oof
and the r he
roller sun- oller
sun-
blind blind
#
Pull and hold the0057 buttonlittle bylittle
until thesliding sunroofisfull yclosed. #
Pull and hold the0057 buttonlittle bylittle
until thero ller sunblind isfull yclosed. #
Use automatic operation tofully open and
th en close thesliding sunroof. An
ti-t An
ti-theT heT
prot pr
otection ection
FF
unction oft unction
ofthe immobilizer he
immobilizer The
immobilizer prev ents your vehicle from bein g
st ar tedwit hout thecor rect Smar tKey .
The imm obilizer isaut oma tically ac tivated when
th eve hicle isswitc hedo.,and deact ivat ed when
th eve hicle isswitc hedon.
When leavingth eve hicle, alwaysta ke theSmar t-
Ke ywit hyo uand lockth eve hicle. Anyone can
st ar tth eve hicle ifava lid Smar tKey has been leT
insi detheve hicle.
% Intheev ent theengine cannotbe star ted(yet
th eve hicle ’sbatt eryis ch arge d), thesy stem is no
toper ational. Contactanaut hor ized
Mer cedes-Benz Centeror call
1-800-F OR-MER Cedes (intheUS A)or
1-800-387- 0100(inCanada). AA
T T
A A
(an ti-t (an
ti-theT heT
alar alar
msyst m
system) em)
FF
unction oft unction
ofthe AT he
ATA syst A
sy stem em
If th eATA system isarmed, avisu aland audibl e
alar mistrigg ered inthefo llo wing situations:
R When adoor isopened
R When thetrunk lidisopened
R When thehood isopened
R When theint erior motion sensor istrigg ered
(/ page86)
R When theto w- awa yalar mistrig ge red
( / pag e85)
The ATA system isarmed automati callyaTer
appr oximat elyte nsec onds inthefo llo wing situa-
tions:
R ATer locking theve hicle withth eSmar tKey
R ATe rlo ck ing theve hicle usingKEY LESS-GO 8484
Open
ingand closin g

Indi
catorlam p1 0ashes whentheATA system is
ar med.
The ATA system isdeacti vatedaut omaticall yin the
fo llo wing situations:
R ATer unlockingtheve hicle withth eSmar tKey
R ATe run lock ing theve hicle usingKEY LESS-GO
R ATer pressin gth estar t/s topbutt onwithth e
Sma rtKe yin themar kedspace (/page129) %
When theMer cedes‑Benz emergency callsy s-
te m isactiv eand thealar mstay son formor e
th an 30 secon ds,amessag eis aut omati cally
sent totheCust omer Assist anceCenter
(/ page247).
% Inthecase ofsevere batt erydisc harging ,th e
anti-theT alarmsystem isaut omati callydeac-
tiv ated tofacilit ateth ene xt engine star t.
Deactiv Deactiv
atingt ating
the ATA he
ATA #
Press theÜ, ßor008B buttononthe
Sma rtKe y.
or #
Press thestar t/s topbutt onwithth eSmar tKey
in thestow agecom partmen t(/ page129)
Deact iv Deact
ivatin gt atin
gthe alar he
alar musin gKEY LESS-GO m
usin gKEY LESS-GO #
Grasp theoutside doorhandle withth eSmar t-
Ke yout side theve hicle. FF
unct ionoft unct
ionofthe tow he
tow-a wa -a
wa yalar m y
alar m %
Thisfu nct ion mayno tbe availabl ein all coun -
tr ies. An
audib leand visualalar mistrigg ered ifan alter-
atio nto your vehicle' sang leof incl inat ionis
de tected while theto w- awa yalar misarmed.
The tow- awa yalar misaut omat icallyarmed aTer
appr oximat ely60 seconds:
R ATer locking theve hicle withth eSmar tKey
R ATe rlo ck ing theve hicle usingKEY LESS-GO
The tow- awa yalar misonl yar med when thefo l-
lo wing components areclosed:
R Door s
R Trunk lid
The tow- aw ay alar misaut omati callydeact ivat ed:
R ATer pressin gth eÜ or008B buttononthe
Sma rtKe y
R ATe rpr ess ing th estar t/s topbutt onwithth e
Sma rtKe yin themar kedspace (/page129)
R ATer unlockingtheve hicle usingKEY LESS-GO
R When usingHA NDS- FREE ACCESS
Inf ormation oncollision detection onapar ked
ve hicle (/page153) . Open
ingand closin g
85 85