MERCEDES-BENZ SLC ROADSTER 2020 Repair Manual
Manufacturer: MERCEDES-BENZ, Model Year: 2020, Model line: SLC ROADSTER, Model: MERCEDES-BENZ SLC ROADSTER 2020Pages: 310, PDF Size: 47.28 MB
Page 61 of 310

The
distance warningfunctionmay notgive
warnings inall critic alsituations. Thereisa
risk ofan accident .
Always paycareful attentiontothe traff ic
situation andbeready tobrake.
Always adaptyourspeed tosuit theprevail-
ing road andtrafficcondit ions. G
WARNIN
G
The distance warningfunctioncann ot
alway sclearly identify objectsand complex
traff icsituations.
In such cases, thedistance warningfunction
may:
R give anunnec essary warning
R not give awarning
There isar isk ofan accident .
Always paycareful attentiontothe traff ic
situation anddonot rely solely onthe dis-
tanc ewarning function.
Function Start ingatas peed ofapproximately 4mph
(7 km/ h),the distance warningfunctionwarns
you ifyou rapidly approach avehicle infront .
An inter mittentwarning tonew illthen sound,
and the00BA distance warninglampwilllight
up inthe instr ument cluster.
X Brake immediately inorder toincrease the
distance fromthevehicle infront .
or X Take evasive action,provided itis safe todo
so.
Due tothe nature ofthe system, particularly
complicated butnon- critic aldriving conditions
may alsocause thesystem todisplay awarn-
ing.
With thehelp ofthe radar sensor system, the
distance warningfunctioncan detect obsta-
cles thatareinthe path ofyour vehicle foran
exten dedperiod oftime.
Up toas peed ofapproximately 44mph
(70 km/ h),the distance warningfunctioncan
also react tostation aryobstacles, suchas
stopped orparked vehicles. Autonomous
brakingfunction If
the driver doesnotreact tothe distance
warning signalinac ritic alsituation, Active
Brake Assist canassist withtheautonomous
braking function.
If the autonomous brakingfunctionrequires a
particularly highbraking force,prevent ative
passenger protectionmeasures (PRE-SAFE®
)
are activated simultaneously.
Vehicles withoutActiveDistance Assist
DISTRONIC: theautonomous brakingfunction
is availab lein the following speedranges:
R 4-6 5mph(7-105 km/ h)for moving
objects
R 4-3 1mph(7-50k m/h )for stationa ry
objects
Vehic leswith Active Distance Assist
DI STRONIC: theautonomous brakingfunction
is ava ilable inthe followi ngspee dranges :
R 4-1 24mph (7-200 km/h )for moving
objects
R 4-3 1mph(7-50k m/h )for stationa ry
objects
Due tothe nature ofthe system ,parti cula rly
compli catedbutnon-critical drivingconditio ns
may alsoc aus ethe autonomous brakingfunc-
tion tointervene.
If the autonomous brakingfunction requiresa
parti cularlyhigh braki ngforce, preventa tive
pas senger protection measures(PRE-SAFE ®
)
are activa tedsimu ltaneo usly(Ypag e53).
Adaptive BrakeAssist Gene
ralinfo rmation
i Observ
ethe "Imp ortant safetynotes" sec-
tion (Ypag e57).
With thehelp ofAdapti veBrake Assist, thedis-
tance warning signalcan detect obstaclesthat
are inthe path ofyou rvehicl efor an extended
peri odoftime.
If Adapti veBrake Assist detects arisk ofcolli -
sion with thevehicl einf ront, itcalcu latesthe
braki ngforce necessa ryto avoi dac ollision. If
you applythe brakes forcefully,A dapti ve
Brake Assist willautomatica llyincreas ethe
braki ngforce toaleve lsuitabl efor the traffic
conditio ns.
Adapti veBrake Assist providesbraki ngassi s-
tance inhaza rdoussitua tions atspee dsabo ve Driv
ingsafety systems
59Safety Z
Page 62 of 310

4m
ph(7km/h) .Itu sesr ada rsensor technol-
ogy toasse ssthe traffic situation.
Up toas pee dofapp roxima tely155 mph
(250 km/h) ,Adap tive Brake Assist iscapa ble
of reacti ngtomoving objects thathave
al read ybeend etected assuch atlea stonce
over theperiodofobse rvatio n.
Up toas pee dofapp roxima tely44mph
(70 km/h) ,Adap tive Brake Assist reacts to
stationa ryobsta cles.
If Adap tiveBrake Assist demandsparti cularly
high braki ngforce, preventative passenger
protectio nmeasures (PRE-SAFE ®
)a re activa -
ted simu ltaneo usly(Ypag e53).
X Keep thebrake pedaldep resse duntil the
emerg encybrakingsitua tionisover.
ABS preve ntsthe whe elsfrom locking.
The brake swillw ork normal lyaga inif:
R you release thebrake pedal
R there isno longe rany dange rofac ollision
R no obsta cleisdetected infront ofyou rvehi -
cle
Adap tiveBrake Assist isthen deactivated .
Important safetynotes G
WARNING
Adap tiveBrake Assist cannot alwa ysclea rly
ide ntify objects andcompl extraffic situa-
tions.
In such cases ,Adap tive Brake Assist can:
R intervene unnecessarily
R not intervene
There isar isk ofan accid ent.
Alwa yspay carefu lattention tothe traffic
situa tionandberead ytob rake .Termi nate
the interventio nina non-critical drivingsit-
ua tion. G
WARNING
Adap tiveBrake Assist doesnotreact:
R to peop leor anima ls
R to oncoming vehicles
R to crossi ngtraffic
R whe ncornering As
aresu lt,the Adap tiveBrake Assist may
not intervene inallc ritica lconditio ns.There
is ar isk ofan accid ent.
Alwa yspay carefu lattention tothe traffic
situa tionandberead ytob rake .
Alwa ysada ptyou rspee dtos uitt he preva il-
ing road andtraffic conditio ns.
Due tothe nature ofthe system, particularly
compl icated butnon-critical drivingconditio ns
may also cau seAdap tiveBrake Assist tointer-
vene.
If Adap tiveBrake Assist isnot available due to
am alfunction inthe rada rsensor system, the
brake system remai nsava ilable with fullbrake
boos tingeffect andBAS. Adaptive
brakelights
i Obse
rvethe "Imp ortant safetynotes" sec-
tion (Ypag e57).
If you brake sharplyfrom aspee dofm ore than
50 km/h orifbraki ngisassi sted byBAS or
Brake Assist withCross-Traffi cAssist, the
brake lamps flash rapi dly.Int his way,traffic
travel ingbehi ndyou iswa rned inan even
more noticea blemanner.
If you brake sharplyfrom aspee dofm ore than
70 km/h toas tandsti ll,the haza rdwa rning
la mps areactiva tedautomatica lly.Ift he
brake sareapp lieda gain, the brake lamps light
up continuou sly.The haza rdwa rning lamps
swi tch offautomatica llyifyou travel faster
than 10km/h. Youcanalso swi tch offthe
haza rdwa rning lamps using the haza rdwa rn-
ing button (Ypag e99). ESP
®
(E lec tronic StabilityProgram)
Gene ralnote s i
Obse
rvethe "Imp ortant safetynotes" sec-
tion (Ypag e57).
ESP ®
monitors drivingstabi lityand traction,
i.e. pow ertransmis sionbetwe enthe tires and
the road surface.
If ESP ®
detects thatthevehi cleisdevi ating
from thedirection desiredbythe drive r,one or
more wheelsare brake dtos tabi lize thevehi -
cle. The engine outputisa lsom odified tokeep 60
Driv
ingsafety systemsSafety
Page 63 of 310

the
vehicleo nthe desired course withi np hysi-
cal limi ts. ESP ®
as sists the driver when pulling
aw ay on wetorslipper yroads.E SP ®
can also
sta bilize the vehicled uringb raking .
ETS (Electro nicT rac tionS ystem) i
Ob
serve the "Impo rtantsafety note s"sec-
tio n(Ypa ge 57).
ETS tractio ncontro lisp arto fESP ®
.
ETS brakes thedrive wheelsind ividu ally ifthe y
sp in. Thisenables yout op ulla wa ya nd acc el-
era teon slip pe ry surfa ces ,for exa mpl eifthe
roa dsurface isslip pe ry on one side .Ina ddi-
tio n,mor edrive torq ueistra nsfe rredtothe
wh eelo rw heelsw itht ractio n.
ETS remains acti vewhen youd eacti vate ESP ®
.
Impo rtant safety notes G
WA
RNING
If ESP ®
is ma lfunctio ningitwi llnot provide
any vehicles tabilizati on. Thereisan
incr easedr isko fskidd ing orofan acc ident.
Exerc isec autio nw henc onti nuing todrive.
Hav eESP®
che cked ataq ualifi ed speci alist
wo rksh op.
Wh entow ingthe vehiclew itht he rea raxle
ra ised ,observe the note sonE SP®
(Y page 265 ).
If the 00BB ESP®
OFF warning lamp lights up
conti nuously,t he nE SP®
is de acti vated .
If the 00E5 ESP®
wa rning lamp and the00BB
ESP ®
OFF warning lamp arel itconti nuously,
ESP ®
is not availabl ed uetoam alfu nctio n.
Ob serve the inform ation on warning lamps
(Y page 212 )and disp laym essage sw hich
ma ybeshown inthe instrument cluste r
(Y page 184 ).
i Onl
yusewheelswith the reco mme nded
tire sizes .Onlyt henw illE SP ®
functio nprop-
erl y. Ch
arac teristics ofESP® Ge
neral info rmatio n
If the 00E5 ESP®
wa rning lamp goes out
be for eb eginning thejourney ,ESP ®
is au to-
ma tica llya ctive.
If ESP ®
inte rvenes ,the 00E5 ESP®
wa rning
la mp flashe sint he instrument cluste r.
If ESP ®
inte rvenes :
X Do not deacti vate ESP ®
und erany circum -
sta nces .
X Onl ydepress the accelera tor pedalasf ar as
nece ssarywh en pulling away.
X Ada ptyour drivin gs tyle to suitthe prevailing
roa dand weath ercond itions .
EC Os tart/ stopfuncti on
The ECO start/sto pfunctio nswitch esthe
eng ineoffautoma ticallyw hent he veh icle
stop smoving .The engin estarts automa tically
wh en the driver wants topullaw ay again.
ESP ®
rem ains inits pre viouslyse lected status ,
e.g .ifE SP ®
wa sd eacti vated befor ethe eng ine
wa sa utoma ticallys witch edoff.
De activ atin g/activ atin gESP®
(e xc ept
Me rce des -AMG SLC4 3) Impo
rtant safety notes
i Ob
serve the "Impo rtantsafety note s"sec-
tio n(Ypa ge 57) .
Yo uc an select betwe enthe followi ng states of
ESP ®
:
R ESP ®
is acti vated
R ESP ®
is de acti vated G
WA
RNING
If yo ud eacti vate ESP ®
,E SP ®
no longe rsta-
bi lizes thevehicle. There isan incr easedr isk
of ski dding and anacc ident.
Onl ydeacti vate ESP ®
in the situa tions
de scri bedint he followi ng.
It ma ybeb esttod eacti vate ESP ®
in the fol-
lo wi ng situa tions:
R wh en using snowchains
R in de ep sno w
R on sand orgra vel Dr
ivi ng safet ys ystems
61Safet y Z
Page 64 of 310

Spi
nning thewheel sresults inac utti ngacti on
wh ich provides bette rgrip.
i Activa
teESP ®
as soo nasthe situ ations
des crib edabove nolonger apply. ESP ®
wi ll
othe rwisenot beableto stab ilize the vehicle
if the vehicles tartsto skid oraw heelstar ts
to spi n.
! Avoi
dspinning thedriven wheel sfor an
extend edper iodw ithE SP®
dea ctiva ted.You
cou ldothe rwisedamag ethe drivetra in.
De acti vatin g/acti vatin gESP® X
To deac tivate :pre ssbutton 0043.
The 00BB ESP®
OFF warning lamp inthe
instru ment cluster lights up.
X To acti vate :pre ssbutton 0043.
The 00BB ESP®
OFF warning lamp inthe
instru ment cluster goesout.
Chara cteristi cswhe nESP®
is deac tiva-
ted
If ESP ®
is dea ctiva tedand one ormore wheel s
star ttos pin, the 00E5 ESP®
wa rning lamp in
the instru ment cluster flashe s.In such situ a-
tions ,ESP ®
wi llnot stab ilize the vehicle.
If yo ud eactiva teESP ®
:
R ESP ®
no longer improve sdriving stability
R engi netorqu eisn olon ger limite dand the
dri ve wheel sareableto spi n
R tracti oncontrol isstil lacti vate d
R Active BrakeAssistisno longer availab le;
nor isitacti vate difyou bra kefirm lywith
as sis tance fromESP® R
PR E-SAFE ®
is no longer availab le,n or isit
acti vate difyou bra kefirm lyand ESP®
inter -
vene s
R ESP ®
stil lprovid es suppo rtwh en youb rake
firm ly
De acti vatin g/acti vatin gESP®
(e xc ept
Merc edes-AMG SLC4 3) Impo
rtant safetynotes
i Obs
erve the"Important safety notes "sec-
tion (Ypage 57).
You canselect betw eenthefollowi ng state sof
ESP ®
:
R ESP ®
is acti vate d
R SPOR Thandling mod eisa ctivate d
R ESP ®
is dea ctiva ted. G
WARNI
NG
Whe nSPOR Thandling mod eisa ctivate d,
there isag reate rrisko fskid ding and acci-
dents .
Only activate SPOR Thandling mod eint he
situ ations describ edinthe followi ng. G
WARNI
NG
If yo ud eactiva teESP ®
,E SP ®
no longer sta-
bi lizes thevehicle. The reisan incre ased risk
of skid ding and anacci dent.
Only deactiva teESP ®
in the situations
des crib edinthe followi ng.
In the followi ng situ ations, itmay bebette rto
acti vate SPOR Thandling mod eordeactiva te
ESP ®
:
R wh en using snow chains
R in dee psnow
R on sand orgra vel
R on spe ciallyd esignate droads when the
veh icle's owno verstee ringandunderste er-
ing characte ristics aredesired
Spi nning thewheel sresu ltsinac utti ngacti on
wh ich provides bette rgrip.
Drivi nginSPOR Thandling mod eorwithou t
ESP ®
req uires anextrem elyq ualifi ed and
expe rienced driver. 62
Dri
vin gsafe tysys temsSafe ty
Page 65 of 310

i
Activa
teESP ®
as soo nasthe situa tions
de scri beda bove no longe rapply.E SP ®
wi ll
othe rwisenot beableto sta bilize the vehicle
if the vehicles tarts toski do raw heelsta rts
to spi n.
! Avoi
dspinning thedriven wheelsfor an
exte ndedperiodw ithE SP®
de acti vated .You
cou ldothe rwisedama gethe drivetra in.
De acti vati ng/ac tivatin gESP® X
To acti vate SPORThand ling mode :bri efly
pre ssbutton 0043.
The 0074 SPORThandling mod ewarning
la mp inthe instrum entcluster lights up.The
SPO RTHandling Mode SPO
RTHandling Modemes sage appe arsi n
the multifu nctio ndispl ay .
X To
deac tivate SPO RThand ling mode :
bri eflyp ress button 0043.
The 0074 SPORThandling mod ewarning
la mp inthe instrum entcluster goesout.
X To deac tivate ESP®
:pre ssbutton 0043unti l
the 00BB ESP®
OFF warning lamp lights up
in the instrum entcluster .
The 00E5 OFF OFF
message appe arsi nt he mu lti-
fu nctio ndispl ay .
X To acti vate ESP®
:bri eflyp ress button 0043.
The 00BB ESP®
OFF warning lamp inthe
ins trum entcluster goesout.T he 00E5 ESP®
ON ON
mes sage appe arsi nt he mu ltifu nctio n
di spl ay.
Cha racte risticso facti vate dSPORT han-
dli ng mode
If SPOR Thandling mod eisa ctivated and one
or more wheelssta rtto spi n,the 00E5 ESP®
wa rning lamp inthe instrum entcluster flashe s.
ESP ®
onl ystabilizes thevehiclet oal imite d
de gre e. Whe
nSPOR Thandling mod eisa ctivated :
R ESP ®
onl yimp rove sdriving stability to a
li mite ddegree
R trac tionc ontro liss till acti vated
R eng inetorq ueisno longe rlim ite da nd the
dri ve wheelsarea blet os pin
R ESP ®
sti llpro vides supp ort when youb rake
fir mly
Cha racte risticsw henE SP®
is deac tiva-
ted
If ESP ®
is de acti vated and one ormore wheels
sta rtto spi n,the 00E5 ESP®
wa rning lamp in
the instrum entcluster flashe s.In such situa -
tio ns, ESP ®
wi llnot stabilize the vehicle.
If yo ud eacti vate ESP ®
:
R ESP ®
no longe rimp rove sdriving stability
R eng inetorq ueisno longe rlim ite da nd the
dri ve wheelsarea blet os pin
R trac tionc ontro liss till acti vated
R Active BrakeAssi stisno longe ravailab le;
nor isitacti vated ifyo ub rake firmly with
as sista nce from ESP®
R PR E-SAFE ®
is no longe ravailab le,nor isit
acti vated ifyo ub rake firmly and ESP®
inte r-
vene s
R ESP ®
sti llpro vides supp ort when youb rake
fir mly EBD
(electro nicb rake force distrib u-
tio n)
Ge neral info rmatio n EBD
moni torsandcontro lsthe brakepre ssu re
on the rearwheelst oimp rove driving stability
wh ileb raking .
Impo rtant safetynotes i
Obs
ervethe "Impo rtant safety notes "sec-
tio nfor driving safety system s(Ypa ge57). G
WA
RNING
If EBD isma lfunctio ning,the rea rwheelsc an
lo ck, e.g.und er fullbra king .Thisi ncr eases
the risko fskidd ing and anacci dent.
Yo us houldt her eforeadapty ou rd riving
sty leto the differ ent handl ing characteri s- Dri
ving safe tysys tems
63Safety
Z
Page 66 of 310

tics
.Havet he bra kesyste mc hecked ata
qu alifi ed speci alistw orksh op.
Ob serve inform ation reg arding indicator and
wa rning lamps (Ypage 211 )asw ella sd ispl ay
mes sage s(Ypa ge186 ). AD
APTIVE BRAKE
i Ob
serve the "Impo rtantsafety note s"sec-
tio n(Ypa ge 57).
ADAPT IVEBRAKE enhance sbraking safety and
off ers incr easedb raking comf ort.Inadditio n
to the braking functio n,ADAPT IVEBRAKE also
ha st he HOLD functio n(Ypa ge 152) andhill
sta rtas sist (Y page 120 ). Pro
tectiona gainst the ft Immo
bilizer
X To activ ate with the SmartK ey:rem ove
the Sma rtKeyfromt heigniti onlock.
X To activ ate with KEYLES S-G O:switch the
ig niti onoff and open the driver 'sdo or.
X To dea ctivate :sw itch onthe igniti on.
The immob ilize rprevents your veh iclef rom
be ing started withou tthe corr ectSma rtKey.
Wh enleav ing the vehicle, alwa ystake the
Sma rtKeywithy ou and lock the vehicle. The
eng inecan bestarted byany one with av alid
Sma rtKeythatisl efti ns idet he veh icle.
i The
immob ilize risa lway sd eacti vated
wh en yous tart the engine.
In the eventtha tthe eng inecann otbe star-
ted (yet the vehicle'sb attery ischa rged),
the syste misnotopera tional .Contact an
au thor izedM erced es-Benz Center orcal l
1-800 -FOR-MER Cedes(in the USA) or
1-800-38 7-0100(inC anad a). ATA
(anti-the ftalarm system) X
To arm: lock the vehiclew itht he Sma rtKey
or KEYL ESS-GO .
Indi cato rlam p0043 flashe s.The alarm system
is arm edafte rapproxima tely1 5s eco nds.
X To switcho ff:unl ock thevehiclew itht he
Sma rtKey orKEYL ESS-GO .
Av isua land audiblea larm istrig geredifthe
al arm system isarm edand youo pen:
R ad oor
R the vehiclew itht he mech anical key
R the trunk lid
R the hood
R the glove comp artment
R the stow ages pace und erthe arm rest
X To
sto pthe alarm with the SmartK ey:
pre ssthe 0036 or0037 button onthe
Sma rtKey .
The alarm isstop ped.
or
X Inse rtthe Sma rtKey intotheigniti onlock.
The alarm isstop ped.
X To
sto pthe alarm using KEYLES S-GO :
gra spthe outsid edoorh andle. The Sma rt-
Key mustbe outsid ethe veh icle.
The alarm isstop ped.
or
X Pre ssthe Start/ Stopbutton onthe dash-
bo ard .The Sma rtKey mustbe insidet he
veh icle.
The alarm isstop ped.
The alarm isnot stop ped, eve nifyou closethe
op en door tha ttrig ger edit,for exa mpl e.
If the alarm stayson for more than
30 seco nds,the Mer cedesme conne ct
eme rgency callsystem automa ticallys end s
am essage tothe Custom erCe nter. 64
Pro
tectiona gainstthef tSafe ty
Page 67 of 310

This
isdone either bytext message ordata
conn ection .The emergenc ycall system
sends themessage ordata provided that:
R you have subscribed toMercedes me
conn ect
R the Mercedes meconn ectservice has
been activated properly
R the necessary mobilephonenetwork is
availabl e Protection
againsttheft
65Safety Z
Page 68 of 310

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
Page 69 of 310

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
Page 70 of 310

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