2020 MERCEDES-BENZ SLC door lock

Smar
tKey Import
antsafety notes G
WARNING
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment
Additionally, childrencouldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmissionoutof
park position 005D
R start theengine
There isar isk ofan accident andinjury.
Never leavechildren oranimals unattended
in the vehicle.
When leaving thevehicle, alwaystake the
SmartK eywith youand lock thevehicle. This
also applie sfor the Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect. G
WARNING
If you attach heavyorlarge object stot he
SmartK ey,the SmartK eycould beuninten -
tionally turnedinthe ignition lock.This
could cause theengine tobe switched off.
There isar isk ofan accident.
Do not attach anyheavy orlarge object sto
the SmartK ey.Remove anybulky keyrings
before insertin gthe SmartK eyinto theigni-
tion lock.
! Keep
theSmartK eyaway fromstrongmag-
netic fields. Otherwise, theremote control
funct ioncould beaffected.
Str ong magnetic fieldscanoccur inthe
vicinity ofpowerful electrical installations.
Do not keep theSmartK ey:
R with electron icdevices, e.g.amobile phone
or another SmartKey
R with metallic objects,e.g. coins ormetal foil
R inside metallic objects,e.g. ametal case
This canaffect thefunct ionality ofthe
SmartK ey. Smar
tKeyfunctions 0043
0037 Locks thevehicle
0044 0054 Unlock sthe trunk lid
0087 0036 Unlock sthe vehicle
X To unlock centrally: pressthe0036 but-
ton.
If you donot open thevehicle withinapprox-
imately 40seconds ofunlocking:
R the vehicle islocked again.
R anti-t heftprotect ionisreactivated
X To lock centrally: pressthe0037 button.
The SmartK eycent rally locks/un locks:
R the doors
R the trunk lid
R the stowage compartmen tint he cent ercon-
sole
R the fuel filler flap
The turn signals flashonce when unlocking
and three times whenlocking.
You canalso setanaudib lesignal toconfirm
that thevehicle hasbeen locked. Theaudib le
signal canbeactivated anddeactivated using
the on-board computer (Ypage 179).
When itis dark, thesurround lightingalso
comes onifit is activated inthe on-board
computer (Ypage 178). KEY
LESS-GO
General notes Bear
inmind thattheengine canbestarted by
any ofthe vehicle occupants ifthere isaK EY-
LES S-GO keyinthe vehicle (Ypage 120). 66
Smar
tKeyOpening andclosing

Locking/u
nlockingcentr ally You
canstart ,loc ko runlo ckthev ehicle usin g
KE YLE SS-GO .Tod othis, you onlyneedc arry
th eS martKey with you.Youcancom bine the
fun ction sofKEYLESS -GO with those ofac on-
ven tional SmartKey. Unloc kthe veh icle by
usin gKEYLESS -GO ,for ins tan ce, and lockit
usin gthe 0037 buttonontheS martKey.
The driver'sd oor and thed oor atwhic hthe
han dleisused, mustbothbeclosed. The
Sm artKey must beouts idethev ehicle .When
loc kin go runlo cking with KEYLE SS-GO ,the
dist ancebetween thek eyand thec orres pon d-
ing door handlemust notbegreat erthan 3ft
(1 m).
Ac heck whic hperio dicall yestablishe saradio
con nectionb etween thev ehicle and the
Sm artKey determ inesw hether avalid Smart-
Key isin thev ehicle .This occ urs, forexam ple:
R when start ing thee ngine
R while driving
R when thee xtern aldoor handles aretouche d X
To unlock thev ehicl e:touch thei nn er sur-
fac eo fthe door handle.
X To lock thev ehicl e:touch sensor sur-
fac e0043 or0044.
Mak esure that you donot touch thei nn er
surf ace ofthed oor handle.
X Convenien ceclosing feature: touch
rec esse dsensor surf ace 0044for anext end ed
perio d.
Fur ther inform ationonthe con venience
clo singfeat ure (Ypage 77).
Deact ivatingand activat ing If
you donot intend touse aSmartKey foran
ext end edperio doftim e,you can deac tivate
th eK EYLESS -GO function ofthek ey. The Sm
artKey willthen use verylittle power ,
th ereb yconser vingb attery power .For thep ur-
poses ofact ivat ion/de activat ion,the veh icle
must notbenear by.
X To dea ctiv ate: pres sthe 0037 buttonon
th eS martKey twiceinr apid successio n.
The batterychecklamp (Ypage 69)ofthe
Sm artKey flash estwic ebrief lyand light sup
onc e,then KEYLE SS-GO isdeac tivated .
X To act ivat e:pres sany butt onontheS mart-
Key.
or X Inser tthe Sm artKey intot he ignitio nlock.
KE YLE SS-GO andallofits assoc iatedfea-
tur es are available again. Cha
nging thes ettings ofthel ocking
syst em
You canchan gethes ettin gs ofthel oc kin g
syst em. This mean sonlyt he driv er'sd oor ,the
lock able stowage compartmen tsinthev ehicle
int erio rand thef uel filler flapareunlo cked
when thev ehicle isunlo cked. This isusef ulif
you frequen tlytravel alone.
X To cha nge thes etting: pressand hold
down the0036 and0037 buttons simult ane-
ously forabout sixsec ond suntilth eb attery
indi catorlamp (Ypage 69)flash estwic e.
If th es ettin go fthe lockin gsyst em ischan ged
with inthes ign alran geofthev ehicle ,pres sing
th e0037 or0036 button:
R lock sor
R unlo ckst he veh icle
The SmartKey now function sasfollo ws:
X To unlock :pres sthe 0036 buttononc e.
X To unlock centrally:pres sthe 0036 button
twic e.
X To lock centr ally:pres sthe 0037 button.
The KEYLE SS-GO function ischan gedasfol-
lows:
X To unlock thed river 'sdoor :to uch the
inn ersurf ace ofthed oor handleonthed riv-
er' sd oor .
X To unlock centrally:to uch thei nn er sur-
fac eo fthe driv eror fro nt-pas senger door
han dle.
X To lock centr ally:to uch theo uter sen sor
surf ace onone ofthed oor handles. Sm
artKey
67Openingand closing Z

X
To res tore thefactory settin gs:pre ssand
hol dd ownthe 0036 and0037 buttons
si mu ltaneou slyf or appro xima telys ixsec-
ond suntilthe battery checklamp
(Y page 69)flashe stwice. Mec
hani calkey
Gen eral notes If
the vehiclec an no longer belocked or
unl ocke dwitht he Sma rtKey orwith KEYL ESS-
GO ,use the mech anical key.
If yo uu sethe mech anical key tounl ock and
op en the driver 'sdo or orthe trunk lid, the
anti -thef talarm system willbe trig gered.
Swi tch offthe alarm (Ypage 64).
Remo ving the mec hani calkey X
Pu sh release catch 0043inthe directi onofthe
arr ow and atthe same time remove
mech anical key 0044from theSma rtKey .
For further informa tiona bout:
R unl ocki ngthe driver's door (Y page 73)
R unl ocki ngthe trunk (Ypage 74)
R locking thevehicle( Ypa ge73)
In se rtin gthe mec hani calkey X
Pu sh mech anical key 0044comp letel yinto the
Sma rtKey untilite nga ges and release
catch 0043isba ck inits basicp osition. SmartK
eybatte ry
Impo rtant safetynotes G
WAR
NING
Batte riesc onta intoxi cand corr osive sub-
sta nces. Ifba tteri esare swallo we d,itcan
res ulti ns evere healthpro blems .The re isa
ris ko ffata linju ry.
Kee pbatteri esouto fthe rea chofchi ldren.
If ab attery issw allo we d,see km edica l
atte ntionimm ediatel y. H
En
viron men talnote Batte
riesc onta inpo lluta nts.
It is ille ga ltod ispo se of
them with the household
ru bb ish. The ym ustb ec ol-
le cted separatelya nd dis-
po sed ofinan envi ronme n-
tal lyres ponsi bler ecy cling
sy stem . Disp
oseofbatteri esinan
envi ronme ntallyres ponsi ble
ma nner. Take discha rged
ba tteri estoaq ualifi ed spe -
cia list wo rksh oportoac ol-
le ctio npoint for used bat-
teri es.
The Sma rtKey batteri esconta inpe rchl orate
ma teri al,w hich ma yrequire spe cialhan dling
and regard forthe envi ronme nt.National
gu ideline sm ustb eo bserved during dispo sal.
In Ca liforni a,see www.dts c.ca.go v/
Hazardo usWaste/Perc hlorate/ index .cfm .
Mer cedes-Be nzreco mme ndsthatyou have
the batteri esrep laced ataq ualifi ed spe cialist
wo rksh op. 68
SmartKe
yOpening and clos ing

Never
leavechildren oranimal sunattended
in the vehicle.
When leavingthe vehicle, always take the
SmartKey withyouand lock thevehicle. This
also appliesforthe Digital Vehicle Keyifthe
"Digital Vehicle Key"function isactivated via
Mercedes meconnect . Unlo
cking andopeni ngdoors from
the inside
! The
side window swilln ot open/close if
the battery isdischarge dorift he side win-
dows haveicedup.Itwil lthen notbepossi-
ble toclose thedoor. Donot attempt to
force thedoor closed. Youcould otherwise
dama gethe door orthe side window .
You canopen adoor from inside thevehicle
even ifit has been locked.
If the vehicle haspreviou slybeen locked from
the outside ,opening adoor from theinside
wil ltrigger theanti-theft alarm system. Switch
off the alarm (Ypage 64). X
Pull door handle 0044.
If the door islocked, lockingknob0043pops
up. The door isunlocked andcanbe
opened.
When adoor isopened, theside window on
that side opens slightly .When thedoor is
closed, theside window closesagain. Cen
trally locking andunloc kingthe
vehic lefrom theinside
You cancentrally lockorunlock thevehicle
from theinside. Forexample ,you can unlock the
front- passe ngerdoor from theinside or
lock thevehicle beforeyoupullawa y. X
To unloc k:press button 0043.
X To loc k:press button 0044.
If the front- passenger doorisclosed, the
vehicle locks.
The central locking buttondoesnotlock or
unlock thefuel fillerflap orthe stowage com-
partment inthe center console.
You cannot unlockthevehicle centrally from
the inside ifthe vehicle hasbeen locked with
the SmartKey orKEYLESS- GO.
You canopen adoor from inside thevehicle
even ifit has been locked.
If al ocked doorisopened fromtheinside, the
previou sunlock status ofthe vehicle willbe
taken intoconsideration if:
R the vehicle waslocked usingthelocking
button forthe central locking, or
R ifthe vehicle waslocked automa tically
The vehicle willbef ullyu nlocked ifit had pre-
viousl ybeen fullyunlocked. Ifonly thedriver's
door hadbeen previou slyunlocked, onlythe
door which hasbeen opened fromtheinside is
unlocked. 72
Do
orsOpeni ngand closi ng

Aut
oma ticl ocki ngfea ture X
To dea ctivate: pressand hold button0043 for
about fives econ ds unt ilat ones oun ds.
X To act ivate: pressand hold button0044 for
about fives econ ds unt ilat ones oun ds.
If you pressoneo fthe two buttons and donot
hear atone,ther elevan tsetting has already
been selected.
The vehiclei sloc keda uto mat icallywhen the
ign ition isswit ched on and thew hee lsare
tur nin g.
You could there foreloc ky ours elfout if:
R thev ehiclei sb ein gp ush ed.
R thev ehiclei sb ein gtow ed.
R thev ehiclei so nar oller dyn amom eter.
You canalso switchthea uto mat icloc king
fun ction onand offusin gthe on-board com-
put er(Y page 179). Unlock
ing/lockingthe driver 'sdoor
usi ng them echa nica lkey
i If
you want tocentrally lockthe veh icle
usin gthe mec hanical key,begi nbypressi ng
th el oc king but tonf or thei nteri or loc king
mec hanism while thed river 'sdoor isopen .
The nlockt he driver 'sdoor usingthe
mec hanical key. X
To unl ock: turnthe mec hanical keyc oun-
te r-clo ckwise asfar asitwill gotopos ition
0047.
X To lock: turnthe mec hanical keyc lock wise
as far asitwill gotopos ition 0047.
If you usethem echan ical keyt ou nloc ka nd
open thed river 'sdoor ,the ant i-thef talarm
syst emwill betrigge red.Switcho ffthea larm
(Y page 64). Tr
unk Imp
ortant safety notes G
WAR
NING
If obj ects,luggag eorloads arenotsecured
or notsecured sufficien tly, they could slip,
ti po vero rb eflun garou ndand there byhit
veh icleo ccup ant s.The reisar isko finjury,
part icularly inthee vent ofsudd enbrak ing
or as udd enchang eind irec tion .
Alw ays store objects so that they can notb e
flun garou nd.S ecureo bjec ts,luggag eor
loads againstslip pingo rtippin gb efore the
jo urn ey.
! The
trunk lidswin gsupwar dswhen
open ed.Therefore ,makes uret hatthe re is
suf ficien tclearan ceabov ethe trunk lid.
! On
lyclo sethet runk once ther oofisl ow-
ere dcom pletely. Other wise ,you could dam-
age ther oof.
If you closethet runk lidbef ore ther oofis
lower edcomple tely, thel oadi ngaid swit ch
ligh tsup and awarning tone soun ds. Tr
unk
73Opening andclosing Z

X
Take themechanic alkey outofthe Smart -
Key (Ypage 68).
X Insert themechanic alkey into thetrunk lid
lock asfar asitwill go. X
Turn themechanic alkey from position 0047
count er-clockwise asfar asitwill gotoposi-
tion 0048.S imultaneously pullthetrunk lid
handle.
The trunk isunlocked.
X Turn themechanic alkey back toposition
0047 and remove it.
X Insert themechanic alkey into theSmart -
Key. Emergency
releaseforthe trunk
You canunlock thetrunk lidfrom theinside
with theemergenc yrelease button. X
Press emergenc yrelease button 0043briefly.
The trunk lidunlocks andopens.
The trunk lidcan beunlocked andopened with
the trunk lidemergenc yrelease whenthevehi-
cle isstation aryorwhile driving.
The trunk lidemergenc yrelease doesnot
unlock thetrunk lidifthe battery isdisconn ec-
ted ordischarged. Trunk
lidemergenc yrelease light:
R Emergen cyrelease button0043flashes for
30 minutes afterthetrunk lidisopened
R Emergen cyrelease button0043flashes for
60 minutes afterthetrunk lidisclosed Side
windows Import
antsafety notes G
WARNIN
G
While opening theside windows, bodyparts
could become trappedbetween theside
window andthedoor frame asthe side win-
dow moves. Thereisar isk ofinjury.
Make surethatnobody touches theside
window duringtheopening procedure. If
somebody becomestrapped,releasethe
switch orpull theswitch toclose theside
window again. G
WARNIN
G
While closing theside windows, bodyparts
in the closing areacould become trapped.
There isar isk ofinjury.
When closing makesurethatnoparts ofthe
body areinthe closing area.Ifsomebody
becomes trapped,releasetheswitch or
press theswitch toopen theside window
again. G
WARNIN
G
If children operatetheside windows they
could become trapped, particularly ifthey
are left unsupervised. Thereisar isk of
injury.
When leaving thevehicle, alwaystake the
Smart Keywith youand lock thevehicle.
Never leavechildren unsupervised inthe
vehicle. Side
window reversing feature
The front sidewindows areequipped withan
automatic reversingfeature.Ifas olid object
blocks orrestr ictstheupward movemen tof Side
window s
75Opening andclosing Z

one
ofthe front sidewindows duringtheclos-
ing process, theside window opensagain
automatically. Duringthemanual closingproc-
ess, theside window onlyopens againauto-
matically afterthecorrespon dingswitch is
released. However, theautomatic reversing
feature isonly anaid and does notrelieve you
of the responsibility ofpaying attentionwhen
closing aside window. G
WARNING
The reversing featuredoesnotrespond:
R to soft, lightandthin object s,e.g. fingers
R over thelast 1/6 in(4 mm) ofthe closing
movement
R while adjusting
R when closing theside window againman-
ually immediately afterautomatic revers-
ing
This means thatthereversing featurecan-
not prevent someone beingtrapped inthese
situations. Thereisar isk ofinjury.
Make surethatnobody parts areinclose
proximity duringtheclosing procedure. If
someone becomestrapped,pressthe
switch toopen theside window again. Opening
andclosi ngthe side win-
dows inthe front
The switches forthe front sidewindows are
located onthe driver's door.There isalso a
switch forthe front -passenger sidewindow on
the front -passenger door.
The switches onthe driver's doortakeprece-
dence. 0043
Left
0044 Right
X Turn theSmart Keytoposition 0047or0048 in
the ignition lock.
X To open manua lly:press andhold thecor-
responding switch.
X To open fully: press theswitch beyond the
pressure pointandrelease it.
Automat icoperation isstart ed.
X To close manua lly:pull thecorrespon ding
switch andhold it.
X To close fully:pulltheswitch beyond the
pressure pointandrelease it.
Automat icoperation isstart ed.
X To interr uptautom aticoperat ion:press
or pull thecorrespon dingswitch again.
You cancont inue tooperate theside windows
after youswitch offthe engine. Thisfunct ionis
availa bleforuptofive minutes oruntil the
driver's orfront -passenger doorisopened. Opening
andclosin gallside win-
dows
Using theswitch onthe center con-
sole G
WARNING
While opening theside windows, bodyparts
in the closing areacould become trapped.
There isar isk ofinjury.
Make surethatnobody parts areinclose
proximity duringtheclosing procedure. If
somebody becomestrapped,releasethe
switch orpress theswitch downtoopen the
side window again. 76
Side
window sOpening andclosing

You
canusetheswitc honthe cen tercon sole
to close allside windows simultaneously.
X Open thecoverinthe lower centercon sole.
The switc hfor all side windows isunder the
cov er. X
To open allside windows: pressbutton0043
to the point ofresist ance.
X To open allside windows fully:press
switc h0043 beyond thepoint ofresist ance.
X To close allside windows: pullswitc h0043.
All side windows begintheclosin gproc e-
dure simult aneously. Therear side windows
close afterthe fron tside windows.
If, afte ropenin gthe windows, youclose one
side window usingtheswitc hint he door con-
tr ol panel:
R the fron tside window closesfirs ta nd
R the nthe cor respon dingrearside window
close s.
Convenience closingwithKEYLESS-GO G
WARN
ING
When usingtheconvenienc eclosin gfeat ure,
part softhe body could betrapped inthe
closin garea when aside window isbeing
close d.There isar isk ofinjury.
Obser vethe com plete closin gproc edure
when theconvenienc eclosin gfeat ure is
operat ing.Make surethatnobody partsare
in close proximityduring theclosin gproc e-
dure. Proc
eedasfollows ifsomeo neistrapped:
X Release therecessed sensorsurfac eonthe
door handle.
X Imm ediately pulland hold thedoor handle
and keep thedoor handle pulled.
The side windows open.
With KEYLE SS-GO youcan close allside win-
dows simult aneously. TheKEYLE SS-GO key
must beoutsid ethe vehic le.All the doors
must beclose d. X
Touch recessed sensorsurfac e0043 onthe
door handle untilthe side windows arefully
close d.
i Make
sureyouonly touchrecessed sensor
surfac e0043.
X To inter rupt convenience closing:release
rec essed sensorsurfac e0043 onthe door
handle. Reset
tingthes ide windows
If as ide window cannolonge rbec lose dfully,
you must reset it.
X Close allthe doors .
X Turn theSmar tKey toposit ion0047or0048 in
the ignit ionlock .
X Pull thecorrespon dingswitc honthe door
con trol panel untilthe side window iscom -
pletely closed(Ypage 76).
X Hold theswitc hfor an addition alseco nd.
If the side window opensagainslightly:
X Imm ediately pullthecorrespon dingswitc h
on the door control panel untilthe side win-
dow iscom pletely closed(Ypage 76).
X Hold theswitc hfor an addition alseco nd.
If the respec tives ide window remains
close dafterthe butt onisreleased, thenit Side
windows
77Openingandclosing Z