2018 MERCEDES-BENZ SLC ROADSTER buttons

SmartKeyChanging the battery ....................... 68
Changing the programming .............6 6
Checkin gthe battery ...................... .68
Display message ............................ 201
Doorc entral locking/unlocking ....... 65
Important safety note s.................... 65
Loss. ................................................ 69
Mechanical key ................................ 67
Opening/closing the roof. ............... 79
Overview .......................................... 65
Positions (ignition lock) ................. 116
Problem (malfunction) ..................... 69
Starting the engine ........................ 118
SMS
see also Digital Operator's Man-
ual.................................................. 211
Snowc hains...................................... 262
Sockets
Center console .............................. 223
Generaln otes ................................ 223
Sound
Switching on/off. .......................... 212
Special seat belt retractor .................. 54
Specialist workshop ............................ 27
Speed, controlling
see Cruise control
Speedometer
Digital ............................................ 167
In the Instrument cluster ................. 32
Segments ...................................... 163
Selecting the display uni t............... 172
Sport handlin gmode
Activating/deactivating
(Mercedes-AMGS LC 43) ................. 62
Warning lamp ................................. 206
Standin glamps
Displa ymessage ............................ 189
Switching on/off. ............................. 96
Start/stopf unction
see ECO start/stop function
Startin g(engine )................................ 117
Steering
Displa ymessage ............................ 200
Steering wheel
Adjusting (electrically) ..................... 89
Adjusting (manually) ........................ 88
Butto noverview ............................... 33 Buttons (on-board computer) ......... 164
Important safety notes .................... 88
Storing settings (memory func-
tion) ................................................. 93
Steering whee lpaddle shifters ........ 126
Stopwatch (RACETIMER) ................... 175
Stowag eareas ................................... 219
Stowag ecom partments
Armrest (under )............................. 219
Cente
r console .............................. 220
Cu ph olders ................................... 221
Door ............................................... 220
Eyeglasses compartment ............... 220
Glove box ....................................... 219
Important safety information ......... 219
Rear wall ........................................ 220
Stowag enet ................................... 220
Stowag enet....................................... 220
Summert ires..................................... 262
Sun visor ............................................ 222
Surround lighting (on-board com-
puter) .................................................. 173
Switchin gair-recirculatio nmode
on/off ................................................. 112
Switchin gonmediam ode
Via the device list .......................... 217
T
Tachometer ........................................ 163
Tail lamps
Displa ymessage ............................ 189
see Lights
Tank content
Fuelgauge ....................................... 32
Technical data
Capacities ...................................... 290
Emergency spare wheel. ................ 286
Information .................................... 288
Tires/wheels ................................. 284
Vehicl edata. .................................. 295
TELEAID
Call priority .................................... 227
Emergency cal l.............................. 225
Generaln otes ................................ 224
MB info cal lbutton ........................ 226
Roadsid eAssistance button .......... 226
Self-test ......................................... 224
Index17

Overheadcontrol panel
FunctionPage
:p Switches the left-hand
reading lamp on/off99
;c Switches the interior
lighting on/off99
=µ Operates MAGIC SKY
CONTROL82
?p Switches the right-
hand reading lamp on/off99
A| Switches the automatic
interior lighting control
on/off
99
FunctionPage
BEyeglasses compartment220
Cï MB Inf ocall button
(mbrace system)226
DRear-view mirror90
EButtons for the garage door
opener230
FF Roadside Assistance
call button (mbrace system)226
GG SOS button (mbrace
system)225
36Overhea dcontrol panel
Atag lance

instructions and safetynotes on the "Occupant
Classification System (OCS)" (Ypage 45).
You can thus avoid the riskst hat could arise as
ar esult of:
Ran incorrectly categorized personint he front-
passenger seat
Rthe unintentional deactivatio nofthe front-
passenger front air bag
Rthe unsuitable positionin gofthe child
restraint system, e.g. too clos etothe dash-
board
Rearward-facing child restraint system
If it is absolutely necessary to install arearward-
facin gchild restraint system on the front-
passenger seat, always make sure that the
front-passenge rfront air bag is deactivated.
Only if the PASSENGER AI RBAG OFF indicator
lamp is permanently lit (
Ypage 39) is the front-
passenger front air bag deactivated.
Always observe the child restraint system man-
ufacturer'si nstallation and operating instruc-
tions.
Forward-facing child restraint system
If you secur eachild in aforward-facin gchild
restraint system on the front-passenge rseat,
always move the front-passenge rseat as far
back as possible.T he entire base of the child
restraint system must always rest on the seat
cushio nofthe front-passenge rseat. The back-
rest of the child restraint system must lie as flat
as possible against the backrest of the front-
passenger seat. The child restraint system must
not touc hthe roof or be subjected to aload by
the head restraint .Adjust the angle of the seat
backrest and the head restraint position accord- ingly. Always make sure that the shoulder belt
strap is correctly routed fromt he front-
passenger seat belt guide to the shoulder belt
guide on the child restraint system. The shoul-
der belt strap must be routed forward and down
fromt he front-passenge rseat belt guide.
Always observe the child restraint system man-
ufacturer'si nstallation and operating instruc-
tions.
Pets in th evehicle
GWARNING
If you leave animals unattended or unsecured
in the vehicle, the ycould press buttons or
switches, for example.
As aresult,t heyc ould:
Ractivatev ehicle equipmenta nd become
trapped, for example
Ractivateord eactivatesystems, thereby
endangeringo ther road users
Unsecure danimals could also be flung around
the vehicle in the eventofana ccident or sud-
den steeringorb raking, thereby injuring vehi-
cle occupants. There is arisk of an accident
and injury.
Never leave animals unattended in the vehi-
cle. Always secur eanimals properly during
the journey, e.g. use asuitable animal trans-
port box.
Driving safety systems
Overview of driving safety systems
In this section, you will findi nformation about
the followingd rivingsafetysystems:
RABS(Anti-lock Braking System)
(Ypage 57)
RBA S(Brake Assist System) (Ypage 57)
RActiveBrakeA ssist (Ypage 58)
RAdaptive brakel ights(Ypage 60)
RESP®(ElectronicStabilityProgram)
(Ypage 60)
REB D( Electronic Bra ke force Distribution)
(Ypage 63)
RADAPTIVE BRAKE (Ypage 63)
Important safety notes
If you fail to adapt your drivings tyle or if you are
inattentive, the drivings afetysystems can nei-
the rreducet he risk of an accident nor override
the laws of physics .Drivings afetys ystems are
merely aids designed to assist driving.
56Driving safety systems
Safety

Locking/unlockingcentrally
You can start,lockorunlock thevehicle using
KEYLESS-GO .Todothis, you onl yneedc arry the
SmartKey with you. You can combine th efunc-
tions of KEYLESS-GO with those of aconven-
tional SmartKey. Unlockt hevehicle by using
KEYLESS-GO ,for instance, and lockitu singthe
& button on th eSmartKey.
The driver' sdoor and th edoor at whicht hehan-
dle is used, must bothbec losed. The SmartKey
must be outside th evehicle .When locking or
unlocking with KEYLESS-GO ,the distance
between th ekey and th ecorresponding door
handle must not be greater than 3ft(1m).
Ac heck whichp eriodicallyestablishesar adio
connectio nbetween th evehicle and th eSmart-
Key determine swhether avalid SmartKey is in
th ev ehicle .This occurs, for example:
Rwhen starting th eengine
Rwhile driving
Rwhen th eexternal door handles are touched
XTo unlock th evehicle: touch th einner sur-
fac eoft hedoor handle.
XTo lock th evehicle: touch sensor surface :
or ;.
Makes ure that you do not touch th einner
surface of th edoor handle.
XConvenience closing feature: touch
recesseds ensor surface ;for an extended
period.
Further informatio nontheconvenience clos-
ing feature (
Ypage 76).
Deactivating and activating
If you do not intend to use aSmartKey for an
extended perio doftime, you can deactivate the
KEYLESS-GO function of th ekey. The SmartKey
will then use veryl ittle power,therebyc onserv- ing battery power.F
or thepurposes of activa-
tion/deactivation, th evehicle must not be
nearby.
XTo deactivate: pressthe& button on the
SmartKey twic einrapid succession.
The battery check lamp (
Ypage 68 )ofthe
SmartKey flashes twic ebriefly and lightsu p
once, then KEYLESS-GO is deactivated.
XTo activate: pressany button on th eSmart-
Key.
or
XInsertt heSmartKey int othe ignitio nlock.
KEYLESS-GO and all of its associate dfeatures
are available again.
Changing th esettings of th elocking
system
You can change th esettings of th elockin gsys-
tem .This meanso nlyt he driver' sdoor,t helock-
able stowage compartments in th evehicle inte-
rior and th efuel filler flap are unlocked when the
vehicle is unlocked. This is useful if you fre-
quently travel alone.
XTo change th esetting: pressand hold down
the % and& buttons simultaneously
for about six second suntil th ebattery indica-
to rlamp (
Ypage 68 )flashes twice.
If th esettin goft helockin gsystem is changed
within th esignal range of th evehicle ,pressing
the & or% button:
Rlocks or
Runlock sthe vehicle
The SmartKey now functionsasf ollows:
XTo unlock:pressthe % button once.
XTo unlock centrally: pressthe % button
twice.
XTo lock centrally: pressthe& button.
The KEYLESS-GO function is changed as fol-
lows:
XTo unlock th edriver's door: touch theinner
surface of th edoor handle on th edriver's
door.
XTo unlock centrally: touch theinner surface
of th edriver or front-passenger door handle.
XTo lock centrally: touch theouter sensor
surface on one of th edoor handles.
66SmartKey
Opening and closing

XTo restore the factory settings:press and
hol dd ownthe % and& buttons simul-
taneouslyf or approximatelys ixseconds until
the battery check lamp (
Ypage 68 )flashes
twice.
Mechanical key
General notes
If the vehicl ecan no longer be locked or
unlockedw itht he SmartKey or with KEYLESS-
GO ,use the mechanical key.
If yo uusethe mechanical key to unlock and
open the driver's door or the trunk lid, the anti-
thef talarm system will be triggered .Switch off
the alarm (
Ypage 64).
Removing the mechanical key
XPush release catch :in the direction of the
arrow and at the same time remove mechan- ica lkey ; from the SmartKey.
For further informatio nabout :
Runlocking the driver's door (Ypage 72)
Runlocking the trunk (Ypage 73)
Rlocking the vehicl e(Ypage 72)
Insertingthe mechanical key
XPush mechanical key ;completelyi nto the
SmartKey unti litengages and release
catch :is back in its basicp osition.
SmartKey battery
Important safety notes
GWARNING
Batterie scontain toxica nd corrosive substan-
ces. If batteries are swallowed, it can resul tin
severe health problems .There is ariskoff atal
injury.
Kee pbatteries outoft he reach of children. If
ab attery is swallowed, see kmedica lattention
immediately.
HEnvironmental note
Batterie scontain pollu-
tants .Itisi llegalto dispose
of them with the household
rubbish. The ymustbec ol-
lected separatelya nd dis-
posed of in an environmen-
tally responsibl erecycling
system.
Dispose of batteries in an
environmentally responsi-
bl em anner. Take dis-
chargedb atteries to aquali -
fie ds pecialist workshop or
to ac ollectio npoint for
used batteries.
The SmartKey batteries contain perchlorate
material ,which mayr equire specia lhan dling
and regard for the environment. National guide-
lines must be observed during disposal. In Cal-
ifornia ,see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/index.cfm .
Mercedes-Benz recommends thaty ouhave the
batteries replaced at aquali fied specialist work-
shop.
SmartKey67
Opening and closing
Z

Checking thebattery
XPress the &or% button.
The battery is working properl yifbattery
check lamp :lightsupb riefly.
The battery is discharged if battery check
lamp :does no tlight up briefly.
XChange th ebattery (Ypage 68).
If th eSmartKey battery is checked within the
signal reception range of th evehicle ,pressing
the & or% button:
Rlocks or
Runlock sthe vehicle
iYou can get abattery at any qualified spe-
cialist workshop.
Replacin gthe battery
You require aCR20253V cellbattery.
XTaket hemechanical ke yout of th eSmartKey
(Ypage 67).
XPress mechanical key ;intot he SmartKey
opening in th edirection of th earrow until bat-
tery compartmen tcover :opens. Do not
hold battery compartmen tcover :closed
while doings o.
XRemove battery compartmen tcover :.
XRepeatedly tap th eSmartKey against your
palm until battery =falls out.
XInsertt henewb attery witht hepositiv eter-
minal facing upwards. Use alint-free cloth to
do so.
XMakes ure that th esurface of th ebattery is
free of lint, grease and other contaminants.
XInsertt hefrontt absofb attery compartment
cover :intot he housing and then pres sto
close it.
XInsertm echanical key ;intot he SmartKey
(Ypage 67).
XCheckt hefunction of all SmartKey buttons on
th ev ehicle.
68SmartKey
Opening and closing

XTo deactivate:press and holdbutton :for
aboutf ives econds unti latone sounds.
XTo activate: press and hol dbutton ;for
aboutf ives econds unti latone sounds.
If yo upress one of the two buttons and do not
hea rat one, the relevant setting hasa lready
been selected.
The vehicl eislocked automaticall ywhent he
ignition is switched on and the wheels are turn-
ing.
Yo uc ould therefore lock yoursel fout if:
Rthe vehicl eisbeing pushed.
Rthe vehicl eisbeing towed.
Rthe vehicl eisonar ollerdynamometer.
Yo uc an also switch the automatic locking func-
tio nona nd off using the on-board computer
(
Ypage 173).
Unlocking/lockin gthe driver's door
using the mechanical key
i
If yo uwanttoc entrall yloc kthe vehicl eusing
the mechanical key,b eginby pressing the
locking button for the interio rloc king mech-
anism whil ethe driver's door is open. Then
lock the driver's door using the mechanical
key.
XTo unlock: turn the mechanical key counter-
clockwise as far as it will go to position 1.
XTo lock:turn the mechanical key clockwise as
far as it will go to position 1.
If yo uusethe mechanical key to unlock and
open the driver's door, the anti-thef talarm sys-
tem will be triggered .Switch off the alarm
(
Ypage 64).
Trunk
Important safety notes
GWARNING
If objects, luggage or load sare not secured or
not secured sufficiently ,they could slip ,tip
overorbef lung around and thereb yhitvehicle
occupants. There is ariskofi njury,p articu-
larly in the event of sudden braking or asud-
de nc hange in direction.
Alway sstoreo bjects so thatt hey cannotbe
flung around .Secure objects, luggage or
load sagain st slipping or tipping before the
journey.
!The trunk li dswing su pwar ds when opened.
Therefore, make sure thatt hereiss ufficient
clearance above the trunk lid.
!Onlyc lose the trunk once the roofisl owered
completely. Otherwise, yo ucould damag ethe
roof.
If yo uclose the trunk li dbefore the roofi s
lowered completely, the loading ai dswitch
lights up and awarning tone sounds.
The opening dimensions of the trunk li dcan be
found in the "Vehicle data" section
(
Ypage 295).
Do not leave the SmartKey in the trunk. You
could otherwise lock yoursel fout.
The trunk li dcan be:
Ropened/closedf rom outside
Ropenedautomaticall yfrom outside
Rlocked separately
Ropene dwitht he emergency release button
Runlockedw itht he mechanical key
Yo us houl dpreferabl yplace luggage or load sin
the trunk.
72Trunk
Opening and closing

Opening and closing
XTo open:grip the handle of trun kpartition :.
XPress the release button in the handle of trunk
partition :.
Trunk partition :is unlocked.
XPull trun kpartition :up out of the eyelets on
the edge of the trunk.
XPush trun kpartition :forwards against the
direction of the arrow by handle.
XTo close: pull back trun kpartition :by the
handle in the direction of the arrow and
engage into the eyelets on the edge of the
trun konb oth sides.
Wind screen
Important safetyn otes
GWARNING
If you use the wind screen in darkness or in
other conditions offeringp oor visibility, your
view to the rear is further impaired. There is a
risk of an accident.
Only use the wind screen when visibility con-
ditions are good.
GWARNING
If the wind screen is incorrectly installed, it
could detach itself during ajourney and
endanger other road users. There is arisk of
an accidenta nd injury.
Install the wind screen as described.
!Install or remove the wind screen only when
the roof is open. You could otherwise damage
the wind screen or the vehicle interior. The wind screen offers protection from the wind
when driving with the roof down.
The wind screen can be installed or removed
from the driver's side or passenger side.
For operation
sinvolvin gthe wind screen,iti s
preferable to be positioned on the side of the
vehicle facing away from the traffic, after stop-
ping the vehicle in accordance with the traffic
conditions.
Installing and removing the wind screen
Preparing for installation
:Wind screen
;Unlocked latch
=Locked latch
XThe following conditions must be fulfilled for
installation:
Runlocking buttons Rand Lpoint in the
direction of travel.
Rlatch ;facing you is unlocked.
Rlatch =facing away from you is locked.
XTo unlock the latch: press unlocking button
R or Lon the locked latch.
XTo lock the latch: push the unlocked latch
upward by hand until it engages.
80Roof
Opening and closing