2018 MERCEDES-BENZ SLC ROADSTER Owner's Manual

Activating
XBrieflypull th ecruise control leve rtow ards
you ?,u p: or down ;.
Distance Pilot DISTRONI Cisa ctivated.
XTo adjust th eset speed in 1mphincre-
ments (1 km/h increments): briefly press
th ec ruise control leve rup: to th epressur e
poin tfor ah igher speed, or down ;to th e
pressur epointfor alower speed.
Every tim ethe cruise control leve rispresse d
up or down ,the last spee dstoredisi ncreased
or reduced.
or
XTo adjust th eset speed in 5mphincre-
ments (10k m/h increments): briefly press
the cruise control lever up :past the pres-
sure point for ahigher speed, or down ;past
the pressure point for alower speed.
Ever ytime the cruise control lever is pressed
up or down, the last speed stored is increased or reduced.
XRemove your foot from the accelerator pedal.
Your vehicle adapts its speed to that of the
vehicle in front, but only up to the desired
stored speed.
iIf you do not fully release the accelerator
pedal, the DistancePilotSuspendedmes-
sage appears in the multifunction display. The set distanc etoaslower-moving vehicle in
frontw ill then not be maintained. You will be
driving at the speed you determine by the
position of the accelerator pedal.
You can also activate Distance Pilot DISTRONIC
when stationary. The lowest speed that can be
set is 20 mph (3 0km/ h).
Activatin gatthe curren tspeed/last
store dspeed
GWARNIN G
If you call up th estoreds pee dand it differs
from th ecurren tspeed, th evehicl eacceler -
ate sord ecelerates. If you do no tknowt he
store dspeed, th evehicl ecould accelerate or
brak eunexpectedly. Ther eisariskofana cci-
dent.
Pay attentio ntotheroad and traffic condi-
tions before calling up th estoreds peed. If you
do no tknowt he store dspeed, store th e
desired spee dagain .
XBriefl ypull th ecruise control leve rtow ards
you ?.
XRemove your foo tfro mt heaccelerato rpedal.
The first tim eDistance Pilot DISTRONI Cis
activated, it store sthe curren tspee dorr eg-
ulates th espee doft hevehicl etotheprevi-
ously store dspeed.
Pulling awa yand driving
XIf you want to pull awa ywith Distance
Pilot DISTRONIC: remove your footfro mt he
brak epedal.
XBriefl ypull th ecruise control leve rtow ards
you ?.
or
XIf Distance Pilot DISTRONI Cisactivated:
accelerate briefly.
Your vehicl epulls away and adapt sits spee d
to that of th evehicl einf ront.Ifnov ehicleis
detected in front, your vehicl eaccelerate sto
th es et speed.
The vehicl ecan also pull away when it is facing
an unidentified obstacle or is driving on adiffer-
en tlinef roma nother vehicle. The vehicl ethen
brakes automatically. Be read yt
ob ra
k eatall
times.
If there is no vehicl einfront,Distance Pilot
DISTRONI Coperate sinthesame way as cruise
control .
If Distance Pilot DISTRONI Cdetect saslower-
moving vehicl einfront,itbrakes your vehicle. In
this way, th edistanc eyou have selected is main -
tained.
If Distance Pilot DISTRONI Cdetect safaster-
moving vehicl einfront,itincreases th edriving
speed. However, th evehicl eiso nlya ccelerate d
up to th espee dyou have stored.
Selecting thed rive program
Distance Pilot DISTRONI Csupport sasporty
driving style when you have selected th eS or S+
driv eprogram (
Ypage 121). Acceleration
behind th evehicl einf rontor to th eset spee dis
then noticeably mor edynamic .Ifyou have
selected th eC or Edriving program ,the vehicl e
accelerate smoreg ently. This settin gisrecom-
mended in stop-and-star ttraffic.
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Changing lanes
If when driving on multilane roads you wish to
change to theovertakin glane ,Distance Pilot
DISTRONIC support syou if:
Ryou are driving faster than 45 mph (70 km/h)
RDistance Pilo tDISTRONICi smaintaining the
distance to avehicl einf ront
Ryous witch on the appropriate tur nsignal
RDistance Pilo tDISTRONICd oesn ot currently
detect adangerofc ollision
If these conditions ar efulfilled ,you rv ehicl eis
accelerated .Acceleratio nwillbei nterrupte dif
changing lanes take stoo long or if the distance
between your vehicl eand the vehicl einfront
become stoo small.
iWhen yo uchange lanes ,Distance Pilot
DISTRONICm onitors the left lane (o nleft-
hand-driv evehicles) or the right lane (o nright-
hand-driv evehicles).
Stopping
GWARNING
If yo uleave the vehicl ewhenitiso nlyb eing
braked by Distance Pilo tDISTRONIC, it could
rol lawa yif:
Rthere is amalfunctio ninthe system or in
the voltag esupply.
RDistance Pilo tDISTRONICi sswitched off
using the cruis econtro llev er,e .g.b yav ehi-
cle occupant or fromo utside the vehicle
Rthe electrical system in the engine com-
partment, the battery or the fuses ar etam-
pered with.
Rthe battery is disconnected
Rthe vehicl eisaccelerated ,e.g.b yav ehicle
occupant.
There is ariskofana ccident.
Before leaving the vehicle, always deactivate
Distance Pilo tDISTRONICa nd securethe
vehicl eagain st rolling away.
Furtheri nformatio nondeactivating Distance
Pilo tDISTRONIC(
Ypage 146).
If Distance Pilo tDISTRONICd etects thatt he
vehicl einfront is stopping, it brakes your vehicle
unti litiss tationary. Once your vehicl
eisstationary, it remains sta-
tionar yand yo udon ot nee dtodepress the
brake.
iAfter atime ,the electri cparkin gb rake
secures the vehicl eand relieves the service
brake.
iDepending on the specifie dminimu mdis-
tance ,you rvehicl ewillc ome to astandstil lat
as ufficient distance behind the vehicl ein
front. The specifie dm
i
nimu mdistance is set
using the contro lonthe cruis econtro llev er.
When Distance Pilo tDISTRONICisa ctivated,
the transmission is shifted automaticall yto
position jif:
Rthe driver's sea tbeltisn ot fastened and the
driver's door is open.
Rthe engine is switched off ,unless it is auto-
maticall yswitched off by the ECO start/stop
function.
The electri cparkin gb rake secures the vehicle
automaticall yifDistance Pilo tDISTRONICi s
activated when the vehicl eisstationar yand:
Ras ystem malfunctio noccurs.
Rthe powe rsuppl yisn ot sufficient.
If am alfunctio noccurs, the transmission may
also shift to position jautomatically.
Settin gaspeed
Keepinm indt hatitm aytake abrief moment
unti lthe vehicl ehasaccelerated or braked to
the spee dset.
XTo adjustt he setspeed in 1mph incre-
ments (1 km/hi ncrements):briefly press
the cruise control lever up :to the pressure
point for ahigher speed, or down ;for a
lower speed.
Every time the cruise control lever is pressed
up or down, the last speed stored is increased
or reduced.
XTo adjust th eset speed in 5mph incre-
ment s(10 km/h increments): briefly
press the cruise control lever up :past the
pressurep oint forahigher speed, or down ;
for alower speed.
Every time the cruise control lever is pressed
up or down, the last speed stored is increased
or reduced.
144Driving systems
Driving and parking

Settingaspecified minimum distance
You can set the specified minimum distance for
Distanc ePilot DISTRONIC by varying the time
span between one and two seconds. With this
function, you can set the minimum distance that
Distanc ePilot DISTRONIC maintains to the vehi-
cle in front,d ependent on the vehicle speed. You
can see this distance in the multifunction dis-
play (
Ypage 145).
The specified minimum distance can be
changed while Distanc ePilot DISTRONIC is
switched on or off.
Make sure that you maintain asufficiently safe
distance from the vehicle in front.A djust the
distance to the vehicle in front if necessary.
Cruise control lever
XTo increase: turn control=toward ;.
Distanc ePilot DISTRONIC then maintains a
greater distance between your vehicle and
the vehicle in front.
XTo decrease: turn control=toward :.
Distanc ePilot DISTRONIC then maintains a
shorter distance between your vehicle and
the vehicle in front.
Distance Pilot DISTRONIC displays in
the instrument cluster
Displays in the speedometer
When Distanc ePilot DISTRONIC is activated,
one or more segments ;in the set speed range
light up.
If Distanc ePilot DISTRONIC detectsav ehicle in
front,s egments ;between speed of the vehi-
cle in front =and stored speed :light up.
iFor design reasons, the speed displayed in
the speedometer may differ slightly from the
speed set for Distanc ePilot DISTRONIC.
Display when Distance Pilot DISTRONIC is
deactivated
:Vehicle in front,ifd etected
;Distanceindicator, current distance to the
vehicle in front
=Specified minimum distance to the vehicle
in front;a djustable
?Your vehicle
XSelect the Assistance Graphicfunction
using the on-board computer (Ypage 170).
Driving systems145
Driving and parking
Z

Display when DistancePilot DISTRONIC is
activate d
:Vehicleinfront,ifd etecte d
;Specified minimum distanc etothevehicl e
in front; adjustable
=Your vehicl e
?DistancePilotD ISTR ONIC activated
XSelec tthe Assistanc eGraphi cfunction
usin gthe on-boar dcom puter (Ypage 170).
You will initially see th estoreds peed fo rabout
fiv es econds when you activat eDistance Pilot
DISTRONIC.
Deactivating Distanc ePilot DISTRONIC
Cruis econtro llever
There are severa lways to deactivat eDistance
Pilo tDISTR ONIC:
XBriefly press th ecruise control lever for-
ward s:.
or
XBrake ,unless th evehicl eiss tationary
Whe nyou deactivat eDistance PilotDISTR ONIC,
th eDistance Pilot Off
message will appear
in th emultifunction display fo rapproximately
fiv es econds.
iThe last speed store dremain sstoredu ntil
you switch of fthe engine.
iDistanc ePilotD ISTR ONIC is no tdeactivated
if you depress th eaccelerato rpedal. If you
accelerate to overtake ,Distance Pilot
DISTRONIC adjust sthe vehicle's speed to th e
last speed store dafter you hav efinished over-
taking.
Distanc ePilotD ISTR ONIC is automatically deac -
tivated if:
Ryou engage th eelectric parkin gbrak eorift he
vehicl eisautomatically secured wit hthe elec -
tric parkin gbrak e
RESP®intervenes or you deactivat eESP®
Rthet ransmissio nisinpositionj,kori
Ryou pull th ecruise control lever toward syou
in order to pull away and th efront-pa ssenger
doo riso pen
Ryou activat eParking Pilo t
Rthev ehicl ehas skidde d
If Distanc ePilotD ISTR ONIC is automatically
deactivated, you will hear awarnin gtone. The
Distance Pilot Off
message will appear in
th em ultifunction display fo rapproximately fiv e
seconds.
Tips for drivin gwithD istanc ePilot
DISTRONIC
General notes
The following contain sdescription sofcertain
roa dand traffic condition sinwhichyou mus tbe
particularl yattentive. In suc hsituations, brak eif
necessary. Distanc ePilotD ISTR ONIC is then
switched off.
Cornering, going int oand coming out of a
bend
146Driving systems
Driving an dparking

Distance PilotDISTRONICc an detect vehicles
when cornerin gislimited. Your vehicl emay
brake unexpectedly or late.
Vehicle straveling on adifferen tline
Distance Pilo tDISTRONICm aynot detect vehi-
cle sw hich ar enot drivin ginthe middl eoftheir
lane. The distance to the vehicl einfront will be
too short.
Othe rvehicle schangin glanes
Distance Pilo tDISTRONICh asnot detecte dthe
vehicl ecutting in yet. The distance to thisv ehi-
cle will be too short.
Narrow vehicles
Distance Pilo tDISTRONICh asnot ye tdetected
the vehicl einfront on the edge of the road
because of its narrow width .The distance to the
vehicl einfront will be too short.
Obstructions and stationary vehicles
Distance Pilo tDISTRONICd oesn ot brake for
obstacle sorstationar yvehicles. If, for example,
the detecte dvehicl eturns acorne rand an
obstacle or stationar yvehicl eisr evealed, Dis-
tance Pilo tDISTRONICw illn ot brake for them.
Crossin gvehicles
Distance Pilo tDISTRONICm aymistakenly
detect vehicles thata recrossing your lane.
If yo uactivate Distance Pilo tDISTRONICu nder
the following conditions, the vehicl ecould pull
away unintentionally:
Rat trafficl ights with crossing traffic, for exam-
ple
Rif there is avehicl einf ront after acrossing
with the HOLD functio nactivated
Driving system s147
Driving an dparking
Z

HOLD function
General notes
The HOLD function can assist the driverint he
following situations:
Rwhen pulling away, especially on steep slopes
Rwhen maneuvering on steep slopes
Rwhen waiting in traffic
The vehicleisk ept stationary without the driver
having to depress the brake pedal.
The braking effect is cancele dand the HOLD
function deactivated when you depress the
accelerator pedaltop ulla way.
Important safety notes
GWARNING
When leaving the vehicle, it can still roll away despite being braked by the HOLD function if:
Rthere is amalfunction in the system or in
the voltag esupply.
Rthe HOLD function has been deactivated by
pressing the accelerator pedalort he brake
pedal, e.g. by avehicleo ccupant.
Rthe electrical system in the engine com-
partment, the battery or the fuse shave
been tampere dwith.
Rthe battery is disconnected
There is arisk of an accident.
If you wis htoexit the vehicle, alway sturn off
the HOLD function and secure the vehicle
against rolling away.
!When Distance Pilot DISTRONIC or the
HOLD function is activated, the vehicle
brakes automatically in certain situations.
To avoi ddamage to the vehicle, deactivate
Distance Pilot DISTRONIC and the HOLD
function in the following or similar situations:
Rwhen towing the vehicle
Rin the car wash
Deactivating the HOLD function (
Ypage1 48).
Activation conditions
You can activate the HOLD function if all of the
following conditions are fulfilled:
Rthe vehicleiss tationary.
Rthe engine is running or if it has been auto-
matically switched off by the ECO start/stop
function.
Rthe driver's door is closed or you rseat belti s
fastened.
Rthe electric parking brake is released.
Rthe transmission is in position h,kori.
RDistance Pilot DISTRONIC is deactivated
Activating the HOLD function
XMake sure that the activation conditions are
met.
XDepress the brake pedal.
XQuickly depress the brake pedalf urther
until :appears in the multifunction display.
The HOLD function is activated. You can
release the brake pedal.
iIf depressing the brake pedalt he first time
does not activate the HOLD function, wait
briefly and then try again.
Deactivatin gthe HOLD function
The HOLD function is deactivated automatically
if:
Ryou depress the accelerator and the trans-
mission is in position hork.
Ryou shift the transmission to position j.
Ryou apply the brakes again withacertain
amount of pressure until HOLDdisappears
from the multifunction display.
Ryou secure the vehicleu sing the electric park-
ing brake.
Ryou activate Distance Pilot DISTRONIC.
iAfter atime, the electric parking brake
secure sthe vehiclea nd relieves the service
brake.
148Driving systems
Driving and parking

When the HOLD function is activated, the trans-
mission is automatically shifted to positionj
if:
Rthe driver's seat belt is not fastened and the
driver's door is open.
Rthe engine is switched off, unless it is auto-
matically switched off by the ECO start/stop
function.
The electric parking brake secures the vehicle
automatically if the HOLD function is activated
when the vehicle is stationary and:
Ras ystem malfunction occurs.
Rthe power supply is not sufficient.
If am alfunction in the electric parking brake
occurs,t he transmission may also be shifted
into position jautomatically.
Adaptive damping system
General notes
iMercedes-AMG SLC 43: the adaptive
damping system is called AMG RIDE CON-
TROL sports suspension.
As uspension with the adaptive damping system
provides improved driving comfort and contin-
uously controls the calibration of the dampers.
The damping characteristic sadapt to the cur-
rent operating and driving situation.
The damping is tuned individually to each wheel
and depends on:
Ryour driving style, e.g. sporty
Rthe road surface conditions
Rthe selected drive program (Ypage 121).
Selecting the Comfort or Economy drive
programs
In the Comfort andEconomy drive programs,
the driving characteristic sofyour vehicle are
more comfortable. Select one of these drive
programs if you favor amore comfortable driv-
ing style. Also select these drive programs when
driving fast on straight roads, e.g. on straight
stretches of highway.
In urban traffic and stop-start traffic, drive pro-
gram Cis recommended.
XPress DYNAMIC SELECT button :repeat-
edly until the ComfortorEconomy drive pro-
gram is selected.
Selecting Sport mode
The firmer setting of the suspension tunin gin
the Sport drive program ensures even better
contact with the road. Select this drive program
when employing asporty driving style, e.g. on
winding country roads.
XPress DYNAMIC SELECT button :as many
times as necessary until the Sportdrive pro-
gram is selected.
Selecting Sport Plus mode
The firmer suspension settings in the Sport
Plus drive program ensure even better contact
with the road. Select this mode when employing
as porty driving style, e.g. on winding country
roads or, ideally,w hen driving on closed race
circuits.
XPress DYNAMIC SELECT button :repeat-
edly until the Sport Plusdrive program is
selected.
Parking Assist PARKTRONIC
Important safety notes
Parking Assist PARKTRONIC is an electronic
parking aid with ultrasound. It monitors the area
around your vehicle using six sensor sinthe
frontb umper and four sensor sinthe rear
bumper. Parking Assist PARKTRONIC visually
and audibly indicates the distanc ebetween your
vehicle and an object.
Parking Assist PARKTRONIC is only an aid. It is
not areplacementf or your attention to your
immediate surroundings. You are always
responsible for safe maneuvering, parking and
exitin gaparking space. Make sure that there
Driving systems149
Driving and parking
Z

are no persons, animals or objectsinthepatho f
your vehicle when you are maneuvering or park-
ing.
!When parking ,pay particular attention to
object saboveorb elow thesensors, sucha s
flowe rpotsort railer drawbars. PARKTRONIC
does no tdetect sucho bjectswhen they are in
th ei mmediatev icinityoft hevehicle .You
coul ddamage th evehicle or th eobjects.
The sensorsm ay notdetect snow and other
object sthata bsorbu ltrasonic waves.
Ultrasonic sources suchasana utomatic car
wash, th ecompressed-air brakes on atruck
or ap neumatic drill coul dcaus ePARKTRONIC
to malfunction.
PARKTRONIC may no tfunction correctly on
uneven terrain.
Parking Assist PARKTRONIC is activated auto-
matically when you:
Rswitch on th eignition
Rshiftt hetransmission to position h,kor
i
Rrelease th eelectric parking brake
Parking Assist PARKTRONIC is deactivate dat
speeds above1 1mph (18 km/h). It is reactiva-
te datl ower speeds.
Range of th esensors
General notes
Parking Assist PARKTRONIC does no ttak ei nto
accounto bstacleslocated:
Rbelow th edetection range, e.g .people, ani-
mals or objects.
Rabovet hedetection range, e.g .overhanging
loads, truck overhangs or loadingr amps.
:Sensorsinthefrontb umper, left-hand side
(example) The sensorsm
ust be free from dirt ,ice or slush.
They can otherwise no tfunction correctly. Clean
th es ensorsr egularly, taking car enotto scratch
or damage them (
Ypage 242).
Range
Fronts ensors
CenterApprox .40in( approx.
10 0c m)
CornersApprox .24in( approx.
60 cm)
Rear sensors
CenterApprox .48in( approx.
12 0c m)
CornersApprox .32in( approx.
80 cm)
Minimum distance
CenterApprox .8in (approx.2 0cm)
CornersApprox .6in (approx.1 5cm)
If there is an obstacle within this range, th erel-
evantw arning displays light up and awarning
150Driving systems
Driving and parking