2018 MERCEDES-BENZ SLC ROADSTER warning

XTo deactivate ESP®:press button :until
the å ESP®OFF warning lamp lights up in
the instrument cluster.
The ÷ OFF
message appears in the multi-
functio ndisplay.
XTo activate ESP®:briefl ypress button :.
The å ESP®OFF warning lamp in the
instrument cluster goe sout.T he ÷ ESP®
ONmessage appears in the multifunctio ndis-
play.
Characteristic sofactivatedS PORT han-
dling mode
If SPOR Thandling modeisa ctivatedand one or
more wheels start to spin, the ÷ESP®warn-
ing lamp in the instrument cluster flashes. ESP®
onlys tabilizes the vehicl etoalimite dd egree.
Whe nSPOR Thandling modeisa ctivated:
RESP®onlyimprovesd riving stability to alim i-
ted degree
Rtractio ncontroliss tilla ctivated
Rengine torque is no longer limite dand the
drive wheels are able to spin
RESP®stil lprovides support when yo ubrake
firmly
Characteristic swhenE SP®is deactivated
If ESP®is deactivate dand one or more wheels
start to spin, the ÷ESP®warning lamp in the
instrument cluster flashes. In such situations,
ESP
®will not stabilize the vehicle.
If yo udeactivate ESP®:
RESP®no longer improvesd riving stability
Rengine torque is no longer limite dand the
drive wheels are able to spin
Rtractio ncontroliss tilla ctivated
RActive Brake Assist is no longer available ;nor
is it activate difyoubrake firmly with assis-
tance from ESP
®
RPRE-SAFE®is no longer available ,nor is it
activate difyoubrake firmly and ESP®inter-
venes
RESP®stil lprovides support when yo ubrake
fi
rmly
EBD (electronicb rake forcedistribu-
tion)
General information
EBD monitors and controls the brake pressure
on the rearw heelstoi mprove driving stability
whil ebraking.
Important safety notes
iObserve the "Important safety notes "sec-
tio nfor driving safety systems(Ypage 56).
GWARNING
If EBD is malfunctioning ,the rearw heelscan
lock, e.g .under ful lbraking .Thisi ncreases the
ris kofs kidding and an accident.
Yo us houl dtherefore adap tyou rd riving style
to the different handling characteristics. Have
the brake system checked at aquali fied spe-
cialist workshop.
Observe informatio nregarding indicator and
warning lamps (
Ypage 204 )aswellasd isplay
messages (Ypage 181).
ADAPTIVE BRAKE
i
Observe the "Important safety notes "sec-
tio n(Ypage 56).
ADAPTIVE BRAK Eenhances braking safety and
offers increased braking comfort. In additio nto
the braking function, ADAPTIVE BRAK Ealsoh as
the HOLD functio n(
Ypage 148)and hill start
assist (Ypage 118).
Protectio nagainstt heft
Immobilizer
XTo activate with the SmartKey: remove the
SmartKey from the ignition lock.
XTo activate with KEYLESS-GO: switch the
ignition off and open the driver'sd oor.
XTo deactivate: switch on the ignition.
The immobilize rprevents your vehicl efrom
being started withou tthe correct SmartKey.
Whe nleaving the vehicle, always take the
SmartKey with yo uand lock the vehicle. The
Protectiona gainsttheft63
Safety
Z

SmartKey
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
Roperate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake
Rshift the automatic transmission out of park
position P
Rstart the engine
There is arisk of an accident and injury.
Never leave children or animals unattended in
the vehicle.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. This
also appliestom obile phones if the "Digital
Car Key in smartphone" function is activated
via the Mercedes me connect web app.
GWARNING
If you attach heavy or large object stothe
SmartKey, the SmartKey could be uninten-
tionally turned in the ignition lock. This could
cause the engine to be switched off. There is a risk of an accident.
Do not attach any heavy or large object stothe
SmartKey. Remove any bulky key rings before
insertingt he SmartKey into the ignition lock.
!Keep the SmartKey away from stron gmag-
netic fields. Otherwise, the remote control
function could be affected.
Strong magnetic fields can occur in the vicin-
ity of powerful electrical installations.
Do not keep the SmartKey:
Rwith electronic devices, e.g. amobile phone
or another SmartKey
Rwith metallic objects, e.g. coins or metal foil
Rinside metallic objects, e.g. ametal case
This can affect the functionality of the Smart- Key.
SmartKey functions
:& Locks the vehicle
;FUnlockst he trunk lid
=%Unlockst he vehicle
XTo unlock centrally: press the%button.
If you do not open the vehicle within approx-
imately 40 seconds of unlocking:
Rthe vehicle is locked again.
Ranti-theft protection is reactivated.
XTo lock centrally: press the&button.
The SmartKey centrally locks/unlocks:
Rthe doors
Rthe trunk lid
Rthe stowage compartmentint he center con-
sole
Rthe fuel filler flap
The turn signals flash once when unlocking and
three times when locking.
You can also set an audible signal to confirm
that the vehicle has been locked. The audible
signal can be activated and deactivated using
the on-board computer (
Ypage 174).
When it is dark, the surround lighting also comes
on if it is activated in the on-board computer
(
Ypage 173).
KEYLESS-GO
General notes
Bear in mind that the engine can be started by
any of the vehicle occupants if there is aKEY-
LESS-GO key in the vehicle (
Ypage 118).
SmartKey65
Opening and closing
Z

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

ProblemPossible causes/consequences andMSolutions
The engine cannot be
started using the Smart-
Key.The on-board voltage is too low.
XSwitch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
XCheck the starter battery and charge it if necessary (Ypage 253).
or
XJump-start the vehicle (Ypage 253).
or
XConsult aqualified specialist workshop.
The engine cannot be
started using KEYLESS-
GO. The SmartKey is in
the vehicle.The vehicle is locked.
XUnlock the vehicle and try to start the vehicle again.
The SmartKey battery is discharged or nearly discharged.
XCheck the SmartKey battery (Ypage 68) and replace it if necessary
(Ypage 68).
If this does not work:
XStart your vehicle with the SmartKey in the ignition lock.
There is interference from apowerful source of radio waves.
XStart your vehicle with the SmartKey in the ignition lock.
You have lost aSmart-
Key.XHave the SmartKey deactivated at aqualified specialist workshop.
XReport the loss immediately to the vehicle insurers.
XIf necessary, have the locks changed as well.
You have lost the
mechanical key.XReport the loss immediately to the vehicle insurers.
XIf necessary, have the locks changed as well.
The side windows cannot
be opened or closed
using the convenience
opening/closing fea-
ture.The SmartKey battery is discharged or nearly discharged.
XCheck the SmartKey battery (Ypage 68) and replace it if necessary
(Ypage 68).
Doors
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
Roperate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake
Rshift the automatic transmission out of park
position P
Rstart the engine
There is arisk of an accident and injury.
Never leave children or animals unattended in
the vehicle.
70Doors
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

tion2.S imultaneouslyp ullthe trunk li dhan-
dle.
The trunk is unlocked.
XTurn the mechanica lkey back to position 1
and remove it.
XInsert the mechanica lkey into the SmartKey.
Emergenc yrelease fort he trunk
Youc an unlock the trunk li dfromt he insid ewith
the emergency release button.
XPress emergency release button :briefly.
The trunk li dunlocks and opens.
The trunk li dcan be unlocke dand opene dwith
the trunk li demergency release when the vehi-
cle is stationar yorwhiledriving.
The trunk li demergency release does not unlock
the trunk li difthe battery is disconnecte dor
discharged.
Trunk li demergency release light:
REmergency release button :flashe sfor
30 minute safter the trunk li disopened
REmergency release button :flashe sfor
60 minute safter the trunk li disclosed
Side windows
Important safety notes
GWARNING
Whil eopening the side windows ,bod yp arts
could become trapped between the side win-
do wa nd the door frame as the side window
moves .There is ariskofi njury.
Make sure thatn obodytouche sthe side win-
do wd uringt he opening procedure. If some-
body becomest rapped,release the switch or
pull the switch to close the side windo wagain .
GWARNING
Whil eclosing the side windows ,bod yp arts in
the closing area could become trapped .There
is ar iskofi njury.
When closing make sure thatnop arts of the
body ar einthe closing area .Ifsomebody
become strapped ,release the switch or press
the switch to open the side windo wagain .
GWARNING
If children operate the side windows they
could become trapped ,particularly if theya re
left unsupervised .There is ariskofi njury.
When leaving the vehicle, always take the
SmartKeyw ithy ou and lock the vehicle. Never
leav echildren unsupervised in the vehicle.
Side windo wreversin gfeature
The front side windows ar eequippe dwitha n
automatic reversing feature. If asolid object
blocks or restricts the upward movement of one
of the front side windows durin gthe closing
process, the side windo wopens agai nautomat-
ically. During the manua lclosing process, the
side windo wonlyo pens agai nautomatically
after the corresponding switch is released. How-
ever, the automatic reversing featur eisonlya n
ai da nd does not relieve yo uofthe responsibility
of paying attentio nwhenc losing asidew indow.
GWARNING
The reversing featur edoesn ot react:
Rto soft, light and thino bjects ,e.g.s mall fin-
gers
Rove rthe last 1/6 in(4 mm) of the closing
movement
Rdurin gresetting
Rwhen closing the side windo wagain man-
uall yimm ediatel yafter automatic reversing
Thi sm eans thatt he reversing featur ecannot
prevent someone being trapped in these sit-
uations. There is ariskofi njury.
74Side windows
Openin gand closing

Make sure that no body parts are in close
proximity during the closing procedure. If
someone becomes trapped, press the switch
to open the side window again.
Opening and closing the side win-
dows in the front
The switches for the front side windows are
located on the driver's door. There is also a
switch for the front-passenger side window on
the front-passenger door.
The switches on the driver's door take prece-
dence.
:Left
;Right
XTurn the SmartKey to position1or2 in the
ignition lock.
XTo open manually: press and hold the cor-
responding switch.
XTo open fully: press the switch beyond the
pressure point and release it.
Automatic operation is started.
XTo close manually: pull the corresponding
switch and hold it.
XTo close fully: pull the switch beyond the
pressure point and release it.
Automatic operation is started.
XTo interrupt automatic operation: press or
pull the corresponding switch again.
You can continue to operate the side windows
after you switch off the engine. This function is
available for up to five minutes or until the driv-
er's or front-passenger door is opened.
Opening and closing all side windows
Using the switch on the center console
GWARNING
While opening the side windows, body parts in
the closing area could become trapped. There is ar isk of injury.
Make sure that no body parts are in close
proximity during the closing procedure. If
somebody becomes trapped, release the
switch or press the switch down to open the
side window again.
You can use the switch on the center console to
close all side windows simultaneously.
XOpen the cover in the lower center console.
The switch for all side windows is under the
cover.
XTo open all side windows: press button:
to the point of resistance.
XTo open all side windows fully: press
switch :beyond the point of resistance.
XTo close all side windows: pull switch:.
All side windows begin the closing procedure
simultaneously.T he rear side windows close
after the front side windows.
If, after opening the windows, you close one side
window using the switch in the door control
panel:
Rthe front side window closes first and
Rthen the corresponding rear side window
closes.
Side windows75
Opening and closing
Z

Convenience closing with KEYLESS-GO
GWARNING
When usingt heconvenience closingf eature,
part soft hebody coul dbetrapped in th eclos-
ing area when aside window is beingc losed.
Thereisar iskofi njury.
Observ ethe completec losingprocedure
when th econvenience closingf eature is oper-
ating. Makes ure that no body partsa re in
close proximity durin gthe closingp rocedure.
Procee dasfollows if someoneist rapped:
XRelease th erecessed sensor surface on the
door handle.
XImmediately pull and hold th edoor handle
and keep th edoor handle pulled.
The side windows open.
WithK EYLESS-GO you can close all side win-
dows simultaneously. The KEYLESS-GO key
must be outside th evehicle .All th edoorsm ust
be closed.
XTouchr ecessed sensor surface :on the
door handle until th eside windows are fully
closed.
iMakes ure you only touch recessed sensor
surface :.
XTo interrup tconvenience closing: release
recessed sensor surface :on th edoor han-
dle.
Resetting th esidew indows
Ifas ide window can no longer be closed fully,
you must reset it.
XClose all th edoors.
XTurn th eSma rtKey to position 1or2 in the
ignition lock.
XPull th ecorrespondings witch on thedoor
control panel until th eside window is com-
pletely closed (
Ypage 75).
XHol dthe switch for an additional second.
If th eside window opensa gain slightly:
XImmediately pull thecorrespondings witch on
th ed oor control panel until th eside window is
completely closed (
Ypage 75).
XHol dthe switch for an additional second.
If th erespectiv eside window remains closed
after th ebutto nisr eleased, then it has been
set correctly. If this is no tthe case, repeat the
steps above.
Problemsw ith thesidew indows
GWARNING
If you close aside window again immediately after it has been blocke dorreset,t heside window
closes withi ncreased or maximum force. The reversing feature is then no tactive. Part softhe
body coul dbetrapped in th eclosinga rea in th eprocess. This posesani ncreased riskofinjury or
eve nfatal injury.
Makes ure that no part softhebody are in th eclosinga rea. To stop th eclosingp rocess, release
th es witch or push th eswitch again to reopen th eside window.
76Sidew indows
Opening and closing