2018 MERCEDES-BENZ SLC ROADSTER lock

Coolanttemperatur egauge
GWARNING
Opening th ehood when th eengineiso ver-
heated or when there is afireint heengine
compartmen tcoul de xpose you to hot gases
or other servic eproducts. Thereisar isko f
injury.
Let an overheate denginec ooldown before
opening th ehood.Ift here is afireint he
enginec ompartment, keep th ehood closed
and contac tthe fired epartment.
!Ad isplay message is shown if th ecoolant
temperatur eistoohigh.
If th ecoolant temperatur eisover2 48 ‡
(12 0† ), do no tcontinue driving .The engine
will otherwise be damaged.
The coolant temperatur egage is in th einstru-
men tcluste ront heright-hands ide (
Ypage 32).
The Hmarkin ginthecoolant temperatur egauge
corresponds to acoolant temperatur eof
approximately 24 8‡(120† ).
Under normal operatin gconditionsa nd at the
correc tcoolant level, th ecoolant temperature
gauge may ris etotheHmarking.
Operatin gthe on-boar dcomputer
Overview
:Multifunction display
;Right control panel
=Leftc ontrol panel
XTo activate th eon-boar dcomputer: turn
th eS martKey to position 1in th eignition
lock.
You can control th emultifunction display and
th es ettings in th eon-board computer usingt he
buttons on th emultifunction steering wheel.
Left control panel
=
;RCalls up th emenua nd men ubar
9
:Press briefly:
RScroll sinlists
RSelect sasubmenuorf unction
RIn theAudiomenu: select sthe
previous or next station, when the
preset list or statio nlist is active,
or an audio track or vide oscene
RIn the Tel(telephone )menu:
switches to th ephoneb ook and
selects anam eort elephone num-
ber
164Displays and operation
On-boardc omputer and displays

Setting the ambient lighting color
XPress the=or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Lightsubmenu.
XPress ato confirm.
XPress the :or9 button to select the
Amb. Light Col.function.
XPress ato confirm.
XPress the :or9 button to set the color
to SOLAR,SOLAR Orangeor SOLAR Red.
XPress the aor% button to save the
setting.
Activating/deactivating surround light-
ing and exterior lighting delayed switch-
off
XPress the =or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Lightssubmenu.
XPress ato confirm.
XPress :or9 to select the SurroundLightingfunction.
If the SurroundLightingfunction is activa-
ted, the multifunction display shows the light
cone and the area around the vehicle in
orange.
XPress the abutton to save the setting.
Deactivating exterior lighting delayed switch-off
temporarily:
XBefore leaving the vehicle, turn the SmartKey to position uin the ignition lock.
XTurn the SmartKey to position 2in the igni-
tion lock.
Exterior lighting delayed switch-of fisdeacti-
vated.
Exterior lighting delayed switch-offisr eactiva-
ted the next time you start the engine.
If you have activated the Surround Lighting
function and you turn the light switch to Ã,
the following functions are activated when it is
dark:
Rsurround lighting: the exterior lighting
remains lit for 40 seconds after unlocking
with the SmartKey. If you start the engine, the
surround lighting is switched off and auto- matic headlamp mode is activated
(
Ypage 95).
Rexterior lighting delayed switch-off:
the
exterior lighting remains lit for 60 seconds
after the engine is switched off. If you close all
the doors and the trunk lid, the exterior light- ing goes off after 15 seconds.
Depending on your vehicle's equipment, when
the surround lighting and delayed switch-off
exterior lighting are on, the following light up:
Rparking lamps
Rlow-beam headlamps
Rdaytime running lamps
Rside marker lamps
Rsurround lighting in the exterior mirrors
Activating/deactivating the interior light-
ing delayed switch-off
If you activate the Interior Lighting Delayfunction, the interior lighting remains on for
20 seconds after you remove the SmartKey from
the ignition lock.
XPress the=or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Lightsubmenu.
XPress ato confirm.
XPress the :or9 button to select the
Interior Lighting Delayfunction.
When the Interior Lighting Delayfunc-
tion is activated, the vehicle interior is dis-
played in orange in the multifunction display.
XPress the abutton to save the setting.
Vehicle
Activating/deactivating the automatic
door locking mechanism
If you activate the AutomaticDoorLockfunc-
tion, the vehicle is centrally locked above a
speed of approximately 9mph (15 km/h).
XPress the =or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Vehiclesubmenu.
XPress ato confirm.
Menus and submenus173
On-board computer and displays
Z

XPress the:or9 button to select the
Automatic Door Lockfunction.
When the Automatic Door Lockfunction is
activated, the multifunction display shows the
left-hand vehicle door in orange.
XPress the abutton to save the setting.
For further information on the automatic locking
feature, see (
Ypage 71).
Activating/deactivating the acoustic
locking verification signal
If you switch on the AcousticLockfunction, an
acoustic signal sounds when you lock the vehi-
cle.
XPress the =or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Vehiclesubmenu.
XPress ato confirm.
XPress the :or9 button to select the
Acoustic Lockfunction.
If the Acoustic Lockfunction is activated,
the & symbol in the multifunction display
lights up orange.
XPress the abutton to save the setting.
Comfort
Activating/deactivating the EASY-
ENTRY/EXITf eature
GWARNING
When the EASY-ENTRY/EXIT feature adjusts
the steerin gwheel, you and other vehicle
occupants–p articularly children –could
become trapped. There is arisk of injury.
While the EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the sweep of the steering
wheel.
If somebody becomes trapped:
Rpress one of the memory function position
buttons, or
Rmove the switch for steerin gwheel adjust-
ment in the opposite direction to that in
which the steerin gwheel is moving.
The adjustmen tprocess is stopped.
XPress the =or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Conveniencesubmenu.
XPress ato confirm.
XUsing :or9,s elect the EasyEntry/Exitfunction.
If the EasyEntry/Exitfunction is activated,
the multifunction display shows the steering
wheel in orange.
XPress the abutton to save the setting.
Further information on the EASY-ENTRY/EXIT
feature (
Ypage 89).
Switching the seat belt adjustment on/off
XPress the =or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Conveniencesubmenu.
XPress ato confirm.
XPress the :or9 button to select the
Belt Adjustmentfunction.
When the Belt Adjustmentfunction is acti-
vated, the seat belt is displayed in orange in
the multifunction display.
XPress the abutton to save the setting.
For further information on belt adjustment, see
(
Ypage 42).
Switching the fold-in mirrors when lock-
ing feature on/off
This function is only availablew hen the vehicle is
equipped with the electrical fold-in function.
This function is only availableinC anada.
When you activat ethe Auto.
MirrorFoldingfunction, the exterior mirrors are folded in when
the vehicle is locked.
If you have switched on the Auto. Mirror
Foldingfunction and you fold in the exterior
mirrors using the button on the door
(
Ypage 91), they will not fold out automatically.
The exterior mirrors can then only be folded out
using the button on the door.
XPress the =or; button on the steering
wheel to select the Sett.menu.
XPress the:or9 button to select the
Conveniencesubmenu.
XPress ato confirm.
174Menus and submenus
On-board computer and displays

:Lap
;RACE TIMER
You can start the RACE TIMER when the engine
is running or if the SmartKey is in position 2in
the ignition lock.
XPress the =or; button on the steering
wheeltos elect theAMGmenu.
XPress the 9button repeatedly until the
RACE TIMER appears.
XTo start: press the abutton to start the
RACE TIMER.
Displaying the intermediate time
XPress the =or; button to select
Interm. Time.
XPress ato confirm.
The intermediate time appears for five sec-
onds.
Starting anew lap
:RACE TIMER
;Fastest lap time (best lap)
=Lap
XPress ato confirm New Lap.
It is possible to store amaximum of sixteen laps.
The 16th lap can only be completed with Fin‐
ish Lap.
Stopping the RACE TIMER
XPress the%button on the steering wheel.
XConfirm Yeswitha.
The RACE TIMER interrupts timing if you stop the
vehicle and turn the SmartKey to position 1in
the ignition lock. If you turn the SmartKey to
position 3and then press ato confirm
Start
,t iming is continued.
Resetting the current lap
XStop the RACE TIMER.
XPress the =or; button to select
Reset Lap.
XPress ato reset the lap time to "0".
Deleting all laps
If you switch off the engine, the RACE TIMER is
reset to "0" after 30 seconds. All lapsa re
deleted.
You cannot delete individual stored laps. If you
have stopped 16 laps, the current lap does not
have to be reset.
XRese tthe current lap.
XPress ato confirm Reset.
Reset Race-Timer?appears in the multi-
function display.
XPress the :button to select Yesand press
the a button to confirm.
All lapsa re deleted.
176Menus and submenus
On-board computer and displays

Safety systems
Display messagesPossible causes/consequences andMSolutions
!÷
Currently Unavaila‐ble See Operator'sManual
ABS (Anti-lock Braking System) and ESP®(Electronic Stability Pro-
gram) are temporarily not available.
Other driving systems and driving safety systems may also malfunc-
tion.
In addition, the ÷,åand! warning lamps light up in the
instrument cluster.
Possible causes are:
RSelf-diagnosis is not yet complete.
RThe on-board voltage may be insufficient.
GWARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you brake
hard, for example.
The steerability and braking characteristics may be severely affected.
The braking distance in an emergency braking situation can increase.
If ESP
®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XCarefully drive asuitabled istance, making slight steering move-
ments at aspeed above 12 mph (20 km/h).
If the displaym essage disappears, the functions mentioned above
are available again.
If the multifunction displays till shows the displaymessage:
XDrive on carefully.
XVisitaqualified specialist workshop immediately.
!÷
Inoperative SeeOperator's Manual
ABS and ESP®are malfunctioning.
Other driving systems and driving safety systems may also malfunc-
tion.
The $ (USA only) or J(Canadao nly),÷, åand!
warning lamps in the instrument cluster also light up.
GWARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you brake
hard, for example.
The steerability and braking characteristics may be severely affected.
The braking distance in an emergency braking situation can increase.
If ESP
®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XDrive on carefully.
XVisit aqualified specialist workshop immediately.
Display messages179
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
T!
÷
Inoperative SeeOperator' sManual
EBD( electronic brak eforce distribution), AB Sand ES P®are malfunc -
tioning .
Other drivin gsystems and drivin gsafet ysystems may also malfunc -
tion .
In addition ,the ÷, åand! warning lamp sligh tupint he
instrumen tcluste rand aw arning tone sounds.
GWARNIN G
The brak esystem continues to function normally, but without th e
function slisted above. The fron tand rear wheels could therefor eloc k
if you brak ehard, for example.
The steerabilit yand braking characteristics may be severely affected.
The braking distanc einanemergenc ybraking situation can increase.
If ES P
®is no toperational, ES P®is unable to stabiliz ethe vehicle.
There is an increased ris kofskiddin gand an accident.
XDrive on carefully.
XVisit aqualified specialist workshop immediately.
F(US A
only)
!(Canada
only)
Tur nOnt he Igni‐
tiontoReleas etheParkingBrake
The red F(USAonly) or ! (Canada only) indicator lamp lights
up.
You attempte dtorelease th eelectric parking brak ewhile th eignition
was switched off .
XSmartKey:tur nthe SmartKey to position 1in th eignition lock.
XKEYLESS-GO: switch on theignition .
F(USA
only)
!(Canada
only)
Please
Releas ePark‐ing Brake
The red F(USAonly) or ! (Canada only) indicator lamp flashes
and awarning tone sounds. Aconditi on for automatic release of th e
electric parking brak eisnotfulfilled (
Ypage 132).
You are drivin gwitht he electric parking brak eapplied.
XReleas ethe electric parking brak emanually.
The red F(USAonly) or ! (Canada only) indicator lamp flashes
and awarning tone sounds.
You are usin gthe electric parking brak efor emergenc ybraking
(
Ypage 132).
F(US A
only)
!(Canada
only)
Parkin gBrake See
Operator' sManual
The yellow !warning lamp lights up.
The electric parking brak eismalfunctioning .
To apply :
XSwitchthe ignition off .
XPress theelectric parking brak ehandle for at least te nseconds.
XShift th etransmission to position j.
XConsultaqualified specialist workshop .
Display messages181
On-boardc omputer andd isplays
Z

Engine
Display messagesPossible causes/consequences andMSolutions
?
CheckCoolantLevelSee Operator'sMan‐ual
The coolant levelistoolow.
!Avoid making longj ourneys with to olittle coolant in th eengine
cooling system. The engine will otherwise be damaged.
XAdd coolant ,observing th ewarning note sbefore doings o
(Ypage 235).
XIf you nee dtoadd coolant mor eoften than usual, have th eengine
coolant system checked at aqualified specialist workshop.
?The fan motor is malfunctioning.
XIf th ecoolant temperatur egage is below the Hmarking
(Ypage 164), driv eontothenex tqualified specialist workshop.
XAvoid heavyl oads on theengine as you do so, e.g .driving in moun-
tainous terrain and stop-and-go traffic.
?
CoolantT oo HotStopVehicleT urnEngine Off
The coolant is to ohot.
Aw arning tone also sounds.
GWARNING
Do no tdrivew hen your engine is overheated. This can caus esome
fluids whichm ay have leaked int othe engine compartmen ttocatch
fire.
Steam from th eoverheate dengine can also caus eserious burn swhich
can occur jus tbyopening th ehood.
Thereisar isk of injury.
XPull overand stop th evehicle safely and switch off th eengine ,pay-
ing attention to road and traffic conditions.
XSecure th evehicle against rolling away (Ypage 131).
XLeavet hevehicle and keep asafe distanc efromt hevehicle until the
engine has cooled down.
XMakes ure that th eair supply to th eengine radiator is no tblocked,
e.g .bys now, slush or ice.
XDo no tstart th eengine again until th edisplay message goes out and
th ec oolant temperatur egage is below the Hmarkin g(Ypage 164).
Otherwise, th eengine coul dbedamaged.
XPay attention to th ecoolant temperatur egage, observing th ewarn-
ing note s(Ypage 235).
XIf thetem peratur eincreases again,v isitaq ualified specialist work-
shop immediately.
Under normal operatin gconditionsa nd at thecorrec tcoolant level,
th ec oolant temperatur egage may rise to the Hmarking
(
Ypage 164).
190Displa ymessages
On-boardc omputer and displays

Display messagesPossible causes/consequences andMSolutions
K
Open/CloseVario-RoofCompletel y
The roofisnotlocked.
XPull ove rand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XPush or pull and hold th eroofswitch until th eroofisf ullyo pen or
closed (Ypage 78) .
K
Start Engine SeeOperator' sManual
The on-boar dvoltag eistoolow.
XStart th eengine.
XAfte rapproximately te nseconds, repeat th eopening or closin g
procedure (Ypage 78).
The roofhas been opened and closed several times in arow .The roo f
drive has been switched off automatically for safet yreasons.
You can open and close th eroofa gain after approximately te n
minutes.
XSwitc hoff th eignition and tur nitbacko n.
XRepeat th eopening or closin gprocedure (Ypage 78).
CloseRearSideWin‐dowsYou leav ethe vehicl eand at least on erear side window is open .
XClosethe side windows (Ypage 75).
¥
Check Washer Fluid
The washer flui dlevel in th ewasher flui dreservoir has dropped belo w
th em inimum .
XAddw asher flui d(Ypage 236).
Wiper Malfunction‐ingThe windshield wiper sare malfunctioning .
XVisitaqualified specialist workshop .
Hazard WarningFlashers Malfunc‐tioning
The hazard warning lamp sare faulty.
XVisit aqualified specialist workshop .
SmartKey
Display messagesPossible causes/consequences and MSolutions
Â
KeyDoesNotBelongto Vehicl e
You haveput th ewrong SmartKey in th eignition lock.
XUse th ecorrect SmartKey.
Â
TakeYourK ey fro mIgnition
The SmartKey is in th eignition lock.
XRemove th eSmartKey.
Â
Obtain aNew Key
The SmartKey needs to be replaced.
XVisit aqualified specialist workshop .
Display messages201
On-boardc omputer andd isplays
Z