MERCEDES-BENZ SLC ROADSTER 2019 Repair Manual
Manufacturer: MERCEDES-BENZ, Model Year: 2019, Model line: SLC ROADSTER, Model: MERCEDES-BENZ SLC ROADSTER 2019Pages: 306, PDF Size: 47.03 MB
Page 61 of 306

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 isarisk ofan accident .
Always paycareful attentiontothe traff ic
situation anddonot rely solely onthe dis-
tanc ewarning function.
Function Start ingataspeed ofapproximately 4mph
(7 km/ h),the distance warningfunctionwarns
you ifyou rapidly approach avehicle infront .
An inter mittentwarning tonewill then 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 toaspeed 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 signalinacritic 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 4-65 mph (7-105 km/h)for moving
objects
R 4-31 mph (7-50 km/h )for stationa ry
objects
Vehic leswith Active Distance Assist
DI STRONIC: theautonomous brakingfunction
is ava ilable inthe followi ngspee dranges :
R 4-124 mph (7-200 km/h )for moving
objects
R 4-31 mph (7-50 km/h )for stationa ry
objects
Due tothe nature ofthe system ,parti cularly
compli catedbutnon-critical drivingconditio ns
may alsocaus 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(Y pag 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 anextended
peri odoftime.
If Adapti veBrake Assist detects arisk ofcolli -
sion with thevehicl ein front, itcalcu latesthe
braki ngforce necessa ryto avoi dacolli sion. If
you applythe brakes forcefully,Adapti ve
Brake Assist willau tomatica llyincreas ethe
braki ngforce toaleve lsui tabl 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 306

4
mph (7km/h) .It use srada rsensor technol-
ogy toasse ssthe traffic situation.
Up toaspee dof app roxima tely155 mph
(250 km/h) ,Adap tiveBrake Assist iscapa ble
of reacti ngtomoving objects thathave
al read ybee ndetected assuch atlea stonce
over theperiodofobse rvatio n.
Up toaspee dof app roxima tely44mph
(70 km/h) ,Adap tiveBrake Assist reacts to
stationa ryobsta cles.
If Adap tiveBrake Assist demandsparti cularly
high braki ngforce, preventative passenger
protectio nmeas ures(PRE-SAFE ®
)are activa -
ted simu ltaneo usly(Y pag e53) .
X Keep thebrake pedaldep resse duntil the
emerg encybrakingsitua tionisover.
ABS preve ntsthe whe elsfrom locking.
The brake swil lwork normal lyaga inif:
R you release thebrake pedal
R there isno longe rany dange rof acoll ision
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 tiveBrake Assist can:
R intervene unnecessarily
R not intervene
There isarisk ofan accid ent.
Alwa yspay carefu lattention tothe traffic
situa tionandberead yto brake .Termi nate
the interventio nin anon-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 inallcritica lconditio ns.There
is arisk ofan accid ent.
Alwa yspay carefu lattention tothe traffic
situa tionandberead yto brake .
Alwa ysada ptyou rspee dto sui tthe 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
a mal function 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 dof more than
50 km/h orifbraki ngisassi sted byBAS or
Brake Assist withCross-Traffi cAssist, the
brake lamps flash rapi dly.In this way,traffic
travel ingbehi ndyou iswa rned inan even
more noticea blemanner.
If you brake sharplyfrom aspee dof more than
70 km/h toastandsti ll,the haza rdwa rning
la mps areactiva tedautomatica lly.If the
brake sare appliedaga in,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 dto stabi lizethevehi -
cle. The engine outputis also modi fiedtokeep 60
Driv
ingsafety systemsSafety
Page 63 of 306

the
vehicleon the desired course withi nph ysi-
cal limi ts. ESP ®
as sists the driver when pulling
aw ay on wetor slip pe ry roa ds.ESP ®
can also
sta bilize the vehicledu rin gbra king .
ETS (Electro nicTrac tionSys tem) i
Ob
serve the "Impo rtantsafety note s"sec-
tio n(Y page 57).
ETS tractio ncontro lis pa rtof ESP ®
.
ETS brakes thedrive wheelsind ividu ally ifthe y
sp in. Thisena bles youto pullaw ay and accel-
era teon slip pe ry surfa ces ,for exa mpl eif the
roa dsu rfa ce isslip pe ry on one side .In addi-
tio n,mor edri ve torq ueistra nsfe rredto the
wh eelor wh eelswith tra ctio n.
ETS remains acti vewhen youde acti vate ESP ®
.
Impo rtant safety notes G
WA
RNING
If ESP ®
is ma lfunctio ningitwi llnot provide
any vehiclesta bilizati on. Thereisan
incr easedris kof ski dding orofan acc ident.
Exerc ise cau tionwh en conti nuing todrive.
Hav eESP ®
che cked ataqu alifi ed speci alist
wo rksh op.
Wh entow ingthe vehiclewi th the rearaxl e
ra ised ,ob serve the note son ESP ®
(Y page 264 ).
If the 00BB ESP®
OFF warning lamp lights up
conti nuously,the nESP ®
is de acti vated .
If the 00E5 ESP®
wa rning lamp and the00BB
ESP ®
OFF warning lamp arelit conti nuously,
ESP ®
is not availabl e du eto ama lfunctio n.
Ob serve the inform ation on warning lamps
(Y page 211 )and disp laymes sage swh ich
ma ybe sho wninthe instrument cluste r
(Y page 183 ).
i Onl
yus ewh eelswith the reco mme nded
tire sizes .Onl ythe nwi llESP ®
functio npro p-
erl y. Ch
arac teristics ofESP® Ge
neral info rmatio n
If the 00E5 ESP®
wa rning lamp goes out
be for ebe ginning thejourney ,ESP ®
is au to-
ma tica lly acti ve.
If ESP ®
inte rvenes ,the 00E5 ESP®
wa rning
la mp flashe sin the instrument cluste r.
If ESP ®
inte rvenes :
X Do not deacti vate ESP ®
und erany circum -
sta nces .
X Onl yde pre ssthe accelera tor pedalas faras
nece ssarywh en pulling away.
X Ada ptyour drivin gsty leto suitthe prevailing
roa dand weath ercond itions .
EC Ostart/ stopfun ction
Th eECO start/sto pfu nctio nsw itch esthe
eng ineoffautoma tically wh en the vehicle
stop smov ing.Th eeng inestarts automa tically
wh en the driver wants topullaw ay again.
ESP ®
rem ains inits pre viouslyse lected status ,
e.g .if ESP ®
wa sde acti vated befor ethe engine
wa sau toma tically sw itch edoff.
De activ atin g/activ atin gES P®
(e xc ept
Me rce des -AMG SLC43) Impo
rtant safety notes
i Ob
serve the "Impo rtantsafety note s"sec-
tio n(Y page 57) .
Yo ucan select betwe enthe followi ng states of
ESP ®
:
R ESP ®
is acti vated
R ESP ®
is de acti vated G
WA
RNING
If yo ude acti vate ESP ®
,ESP ®
no longe rsta -
bi lizes thevehicle. There isan incr easedris k
of ski dding and anacc ident.
Onl yde acti vate ESP ®
in the situa tions
de scri bedin the followi ng.
It ma ybe best to deacti vate ESP ®
in the fol-
lo wi ng situa tions:
R wh en using snowcha ins
R in de ep sno w
R on sand orgra vel Dr
ivi ng safet ysy stem s
61Safet y Z
Page 64 of 306

Spi
nning thewheel sres ults inacutti ngacti on
wh ich provides bette rgri p.
i Activa
teESP ®
as soo nas the situations
des crib edabove nolonger apply. ESP ®
wi ll
othe rwisenot beableto stab ilize the vehicle
if the vehiclestar tsto skid orawh eel star ts
to spi n.
! Avoi
dspi nning thedriven wheel sfor an
extend edper iod wi th ESP ®
dea ctiva ted.You
cou ldothe rwisedamag ethe drivetra in.
De acti vatin g/acti vatin gES P® 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 goesou t.
Chara cteristi cswhe nES P®
is deac tiva-
ted
If ESP ®
is dea ctiva tedand one ormore wheel s
star tto spi n,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 udea ctiva teESP ®
:
R ESP ®
no longer improve sdri ving stability
R engi netorqu eis no longer limite dand the
dri ve wheel sare ableto spi n
R tracti oncontrol isstil lacti vate d
R Active BrakeAssistisno longer availab le;
nor isitacti vate difyo ubra kefirm lywith
as sis tance fromESP® R
PR E-SAFE ®
is no longer availab le,nor isit
acti vate difyo ubra kefirm lyand ESP®
inter -
vene s
R ESP ®
stil lpro vides suppo rtwh en youbra ke
firm ly
De acti vatin g/acti vatin gES P®
(e xc ept
Merc edes-AMG SLC43) 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 Tha ndl ing mod eis acti vate d
R ESP ®
is dea ctiva ted. G
WARNI
NG
Whe nSPOR Tha ndl ing mod eis acti vate d,
there isagre aterris kof skid ding and acci-
dents .
Only activate SPOR Tha ndl ing mod ein the
situ ations describ edinthe followi ng. G
WARNI
NG
If yo udea ctiva teESP ®
,ESP ®
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 Tha ndl ing mod eor dea ctiva te
ESP ®
:
R wh en using snow chains
R in dee psnow
R on sand orgra vel
R on spe cially des ignate droa dswhen the
veh icle's ownove rstee ringandunderste er-
ing characte ristics aredesired
Spi nning thewheel sresu ltsinacutti ngacti on
wh ich provides bette rgri p.
Drivi nginSPOR Tha ndl ing mod eor withou t
ESP ®
req uires anextrem elyqu alifi ed and
expe rienced driver. 62
Dri
vin gsafe tysys temsSafe ty
Page 65 of 306

i
Activa
teESP ®
as soo nas the situa tions
de scri bedab ove nolonge rap ply. ESP ®
wi ll
othe rwisenot beableto sta bilize the vehicle
if the vehiclesta rts toski dor awh eelsta rts
to spi n.
! Avoi
dspi nning thedriven wheelsfor an
exte ndedpe rio dwi th ESP ®
de acti vated .Yo u
cou ldothe rwisedama gethe drivetra in.
De acti vati ng/ac tivatin gES P® X
To acti vate SPORThand ling mode :bri efly
pre ssbutton 0043.
The 0074 SPORTha ndl ing mod ewa rning
la mp inthe instrum entcluster lights up.The
SPO RTHandling Mode SPO
RTHandling Modemes sage appe arsin
the multifu nctio ndispl ay.
X To
deac tivate SPO RThand ling mode :
bri eflypre ssbutton 0043.
The 0074 SPORTha ndl ing mod ewa rning
la mp inthe instrum entcluster goesou t.
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 arsin the multi-
fu nctio ndispl ay.
X To acti vate ESP®
:bri eflypre ssbutton 0043.
The 00BB ESP®
OFF warning lamp inthe
ins trum entcluster goesou t.The 00E5 ESP®
ON ON
mes sage appe arsin the multifu nctio n
di spl ay.
Cha racte risticsof acti vate dSPO RThan-
dli ng mode
If SPOR Tha ndl ing mod eis acti vated and one
or more wheelssta rtto spi n,the 00E5 ESP®
wa rning lamp inthe instrum entcluster flashe s.
ESP ®
onl ysta bilizes thevehicleto alimite d
de gre e. Whe
nSPOR Tha ndl ing mod eis acti vated :
R ESP ®
onl yimp rove sdri ving stability to a
li mite dde gre e
R trac tioncontro lis sti llacti vated
R eng inetorq ueisno longe rlimite dand the
dri ve wheelsareab leto spi n
R ESP ®
sti llpro vides supp ort when youbra ke
fir mly
Cha racte risticswh en ESP®
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 ude acti vate ESP ®
:
R ESP ®
no longe rimp rove sdri ving stability
R eng inetorq ueisno longe rlimite dand the
dri ve wheelsareab leto spi n
R trac tioncontro lis sti llacti vated
R Active BrakeAssi stisno longe rav ailabl e;
nor isitacti vated ifyo ubra kefirmly with
as sista nce from ESP®
R PR E-SAFE ®
is no longe rav ailabl e, nor isit
acti vated ifyo ubra kefirmly and ESP®
inte r-
vene s
R ESP ®
sti llpro vides supp ort when youbra ke
fir mly EBD
(electro nicbrake force distrib u-
tio n)
Ge neral info rmatio n EBD
moni torsandcontro lsthe brakepre ssu re
on the rearwh eelsto imp rove driving stability
wh ile bra king .
Impo rtant safetynotes i
Obs
ervethe "Impo rtant safety notes "sec -
tio nfor driving safety system s(Y page 57). G
WA
RNING
If EBD isma lfunctio ning,the rearwh eelscan
lo ck, e.g.und erfullbra king .Thi sincr eases
the riskof ski dding and anacci dent.
Yo usho uld ther eforeadaptyo ur driving
sty leto the differ ent handl ing characteri s- Dri
ving safe tysys tems
63Safety
Z
Page 66 of 306

tics
.Hav ethe brakesyste mche cked ata
qu alifi ed speci alistwo rksh op.
Ob serve inform ation reg arding indicator and
wa rning lamps (Ypage 210 )as wellas disp lay
mes sage s(Y page 185 ). AD
APTIVE BRAKE
i Ob
serve the "Impo rtantsafety note s"sec-
tio n(Y page 57).
ADAPT IVEBRAKE enhance sbra king safety and
off ers incr easedbra king comf ort.Inadditio n
to the braking functio n,ADAPT IVEBRAKE also
ha sthe HOLD functio n(Y page 151) andhill
sta rtas sist (Y page 120 ). Pro
tectionaga inst the ft Immo
bilizer
X To activ ate with the SmartK ey:rem ove
the Sma rtKeyfro mthe igniti 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 rpre vents your veh iclefro m
be ing started withou tthe corr ectSma rtKey.
Wh enleav ing the vehicle, alwa ystake the
Sma rtKeywi th youand lock the vehicle. The
eng inecan bestarted byany one with ava lid
Sma rtKeytha tis left ins ide the vehicle.
i The
immob ilize ris alwa ysdeacti vated
wh en yousta rtthe engine.
In the eventtha tthe enginecann otbe star-
ted (yet the vehicle'sba ttery ischa rged),
the syste misnot opera tional .Co ntact an
au thor izedMe rced es-Benz Center orcal l
1-800 -FOR-MER Cedes(in the USA) or
1-800-38 7-0100(in Ca nad a). ATA
(anti-the ftalarm system) X
To arm: lock the vehiclewi th the Sma rtKey
or KEYL ESS-GO .
Indi cato rla mp 0043flashe s.The alarm system
is arm edafte rap pro xima tely15 seco nds.
X To switchoff :unl ock thevehiclewi th the
Sma rtKey orKEYL ESS-GO .
A vis ualand audible alarm istrig geredifthe
al arm system isarm edand youop en:
R ado or
R the vehiclewi th the mech anical key
R the trunk lid
R the hood
R the glove comp artment
R the stow agespa ceund 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 edo or handl e.The Sma rt-
Key mustbe outsid ethe vehicle.
The alarm isstop ped.
or
X Pre ssthe Start/ Stopbutton onthe dash-
bo ard .The Sma rtKey mustbe inside the
veh icle.
The alarm isstop ped.
The alarm isnot stop ped, eve nif yo uclo sethe
op en door tha ttrig geredit,for exa mpl e.
If the alarm stayson for more than
30 seco nds,the Mer cedesme conne ct
eme rgency callsy stem automa tically send s
a mes sage tothe Custom erCe nter. 64
Pro
tectionagai nstthef tSafe ty
Page 67 of 306

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 306

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 isarisk 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 sto the
SmartK ey,the SmartK eycould beuninten -
tionally turnedinthe ignition lock.This
could cause theengine tobe switched off.
There isarisk 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 tin the 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 178).
When itis dark, thesurround lightingalso
comes onifit is activated inthe on-board
computer (Ypage 177). KEY
LESS-GO
General notes Bear
inmind thattheengine canbestarted by
any ofthe vehicle occupants ifthere isaKEY-
LES S-GO keyinthe vehicle (Ypage 120). 66
Smar
tKeyOpening andclosing
Page 69 of 306

Locking/u
nlockingcentr ally You
canstart ,loc kor unlo cktheveh icle usin g
KE YLE SS-GO .To do this, you onlynee dcar ry
th eSm artKey with you.Youcancom bine the
fun ction sof KE YLE SS-GO with those ofacon -
ven tional SmartKey. Unloc kth eveh icle by
usin gKE YLE SS-GO ,for instan ce, and lockit
usin gth e0037 buttonontheSm artKey.
The driver'sdoor andthedoor atwhic hth e
han dleisused, mustbothbe closed. The
Sm artKey must beouts idetheveh icle.When
loc kin gor unlo cking with KEYLE SS-GO ,th e
dist ancebet ween thekey and thecor respon d-
ing door handlemust notbegreat erthan 3ft
(1 m).
A che ckwhic hperio dicall yest ablishe sa radio
con nectionbet ween theveh icle and the
Sm artKey determ ineswhet heravalid Smart-
Key isin theveh icle.This occurs, forexam ple:
R when start ing theeng ine
R while driving
R when theext ern aldoor handles aretouche d X
To unlock thevehicl e:touch theinn ersur-
fac eof thedoor handle.
X To lock thevehicl e:touch sensor sur-
fac e0043 or0044.
Mak esure that you donot touch theinn er
surf ace ofthedoor handle.
X Convenien ceclosing feature: touch
rec esse dsen sor surf ace 0044for anext end ed
perio d.
Fur ther inform ationon thecon venience
clo singfeat ure (Ypage 77).
Deact ivatingand activat ing If
you donot intend touse aSm artKey foran
ext end edperio dof tim e,you can deac tivate
th eKE YLE SS-GO function ofthekey. The Sm
artKey willthen use verylitt lepower ,
th ereb ycon servingbatt erypower .For thepur-
poses ofact ivat ion/de activat ion,th eveh icle
must notbenear by.
X To dea ctiv ate: pres sth e0037 buttonon
th eSm artKey twicein rapid successio n.
The batterychecklamp (Ypage 69)of the
Sm artKey flash estwic ebrief lyand light sup
onc e,then KEYLE SS-GO isdeac tivated .
X To act ivat e:pres sany buttonontheSm art-
Key.
or X Inser tth eSm artKey intoth eign itio nloc k.
KE YLE SS-GO andallofits assoc iatedfea-
tur es are available again. Cha
nging thesett ings ofthelocking
syst em
You canchan getheset tings oftheloc kin g
syst em. This mean sonl yth edriv er'sdoor ,th e
lock able stowage compartmen tsintheveh icle
int erio rand thefuel filler flapareunlo cked
when theveh icle isunlo cked. This isusef ulif
you frequen tlytravel alone.
X To cha nge thesett ing: pressand hold
down the0036 and0037 buttons simult ane-
ously forabout sixsec ond sunt ilth ebatt ery
indi catorlamp (Ypage 69)flash estwic e.
If th eset tingof theloc kin gsyst emischan ged
with inthesign alran geoftheveh icle,pres sing
th e0037 or0036 button:
R lock sor
R unlo cksth eveh icle
The SmartKey now function sas follo ws:
X To unlock :pres sth e0036 buttononc e.
X To unlock centrally:pres sth e0036 button
twic e.
X To lock centr ally:pres sth e0037 button.
The KEYLE SS-GO function ischan gedasfol-
lows:
X To unlock thedr iver 'sdoor :to uch the
inn ersurf ace ofthedoor handleonthedriv -
er' sdoor .
X To unlock centrally:to uch theinn ersur-
fac eof thedriv eror fro nt-pas senger door
han dle.
X To lock centr ally:to uch theout ersen sor
surf ace onone ofthedoor handles. Sm
artKey
67Openingand closing Z
Page 70 of 306

X
To res tore thefactory settin gs:pre ssand
hol ddo wn the 0036 and0037 buttons
si mu ltaneou sly for appro xima telysix sec-
ond sunti lthe battery checklamp
(Y page 69)fla she stwi ce. Mec
hani calkey
Gen eral notes If
the vehiclecan nolonger belocked or
unl ocke dwi th the Sma rtKey orwith KEYL ESS-
GO ,us ethe mech anical key.
If yo uus ethe mech anical key tounl ock and
op en the driver 'sdo or orthe trunk lid, the
anti -thef tal arm 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 tionab ou t:
R unl ocki ngthe driver 'sdo or (Y page 73)
R unl ocki ngthe trunk (Ypage 74)
R locking thevehicle(Y page 73)
In se rtin gthe mec hani calkey X
Pu sh mech anical key 0044comp letel yinto the
Sma rtKey untilit enga gesand release
catch 0043isba ck inits basic po sitio n. SmartK
eybatte ry
Impo rtant safetynotes G
WAR
NING
Batte riesconta intoxi cand corrosive sub-
sta nces. Ifba tteri esare swallo we d,itcan
res ultin sev ere healthpro blems .The reisa
ris kof fata linju ry.
Kee pba tteri esoutof the reachofchi ldren.
If aba ttery issw allo we d,see kmed ical
atte ntionimm ediatel y. H
En
viron men talnote Batte
riesconta inpo lluta nts.
It is ille ga lto dispo seof
them with the household
ru bb ish. The ymu stbe col-
le cted separatelyand dis-
po sed ofinan envi ronme n-
tal lyres ponsi ble recy cling
sy stem . Disp
oseofbatteri esinan
envi ronme ntallyres ponsi ble
ma nner. Take discha rged
ba tteri estoaqu alifi ed spe -
cia list wo rksh oportoacol -
le ctio npo int for used bat-
teri es.
The Sma rtKey batteri esconta inpe rchl orate
ma teri al,wh ich mayreq uire spe cialha ndl ing
and regard forthe envi ronme nt.National
gu ideline smu stbe obser ved 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 ndsthatyo uha ve
the batteri esrep laced ataqu alifi ed spe cialist
wo rksh op. 68
SmartKe
yOpening and clos ing