2020 MERCEDES-BENZ SLC ROADSTER brakes

HOLD
function
Gene ralnote s The
HOLD function canassistthe drive rint he
foll owi ngsitua tions:
R When pulling away,espe ciallyon steep
slop es
R When maneu veringonsteep slopes
R When waiting intraffic
The vehicl eisk ept stationa rywitho utthe
drive rhavi ng todepre ssthe brake pedal.
The braki ngeffect iscancele dand the HOLD
function deactivated whenyoudepre ssthe
accele ratorpedaltop ulla wa y.
Important safetynotes G
WARNING
If the vehicl eiso nly braked using the HOLD
function, thevehicl emayroll awa yint he fol-
low ing situa tions when youleavethe vehi-
cle:
R ifthere isam alfunction inthe system or
in the voltag esupply
R ifthe HOLD function isdea ctivated by
depre ssing theaccele ratorpedalorb rake
peda l,e.g. byavehicl eoccupa nt
There isar isk ofan accide nt.
Alwa ysdea ctivate theHOLD function and
secure thevehicl eagainst rolling awa y
before youleaveit.
! When
Active Distance AssistDISTRONIC
or the HOLD function isactiva ted,thevehi-
cle brakes automatica llyincertain situa-
tions.
To avoi ddama getothe vehicl e,dea ctivate
Active Distance AssistDISTRONIC andthe
HOLD function inthe followi ngorsimi larsit-
ua tions:
R when towing thevehicl e
R in the carwas h
Deactiva tingtheHOLD function (Ypag e152) . Ac
tivation conditio ns You
canactiva tethe HOLD function ifall ofthe
foll owi ngconditions arefulfilled:
R the vehicl eiss tationa ry.
R the engine isrunning orifit has been auto-
matica llyswi tched offbythe ECO start/
stop function.
R the drive r'sdoor isclosed oryou rseat belt
is fastened .
R the electric parkingbrake isrele ased .
R the transmissi onisin posi tion 005B,005Eor005C.
R Active Distance AssistDISTRONIC isdea cti-
vated
Ac tivating theHOLD function X
Make surethattheactiva tionconditions are
met.
X Depress thebrake pedal.
X Quickly depressthe brake pedalfurther
until 0043app ears inthe multi function dis-
pla y.
The HOLD function isactiva ted.Youcan
rele ase thebrake pedal.
i If
depre ssing thebrake pedalthe first time
does notactiva tethe HOLD function, wait
brie flyand then tryaga in.
De activatin gthe HOLD function The
HOLD function isdea ctivated automati-
call yif:
R you accele rateandthetransmissi onisin
posi tion 005Bor005E.
R you shift thetransmissi ontoposi tion 005D.
R you applythe brakes againwith acertain
amou ntofpressu reuntil HOLD HOLD
disappea rs
from themultifunction display.
R you secure thevehicl eusing the electric
parki ngbrake.
R you activa teActive Distance Assist
DISTRONIC . 152
Drivi
ngsystemsDriv ingand parking

i
After
atime ,the electri cparking brake
sec ures the vehiclea nd relieves theservice
bra ke.
Whe nthe HOLD functio nisa ctivated ,the
trans mission isau toma ticallys hifted toposi-
tio n005D if:
R the driver 'ssea tbelti sn otfas tene dand the
dri ver 'sdo or isop en
R the engineissw itch edoff, unless itis au to-
ma tica llys witch edoff bythe ECO start/
stop functio n.
The electri cparking brakesec ures the vehicle
au toma ticallyi fthe HOLD functio nisa ctivated
wh en the vehiclei ss tatio nar yand:
R as ystem malfunctio noccu rs
R the powe rsupplyi sn otsufficie nt
If am alfu nctio nint he electri cparking brake
occu rs,the trans mission mayalsob eshifted
into positio n005D automa tically. Ada
ptiv edampin gsystem
Ge neral notes i
Merc
edes-AMG SLC4 3:the adaptive
da mpi ngsystem iscal ledA MG RIDE CON-
TR OL spo rtssuspe nsion.
As uspe nsi on with the adaptive dampi ngsys-
tem provides imp rove ddriving comf ortand
conti nuouslycontro lsthe calibra tio no fthe
da mpe rs.The dampi ngcha racteri stics adapt
to the current opera ting anddriving situa tion.
The dampi ngistune dind ividu ally to each
wh eeland depends on:
R your driving style,e .g.s po rty
R the roadsurface cond itions
R the selecte ddrive pro gram( Ypa ge 124 ). Se
lecti ng the Comfort orEcon omy
driv eprog rams In
the Comfort andEcon omy drive pro grams,
the driving characteri stics ofyour veh iclea re
more comfortable. Sel ect one ofthes edrive
pro grams ifyo uf avor am ore comf ortabled riv-
ing style.A lsos elect thes edrive pro grams
wh en driving fastons traight roa ds, e.g.on
stra ight stre tche sofhighw ay.
In urba nt raf fic and stop -starttraf fic, drive pro -
gra mCis reco mme nded.
X Pre ssDYNAM ICSELEC Tbutton 0043repeat-
ed lyunti lthe Comfort orEcon omy drive
pro gramisselecte d.
Se lecti ng Spo rtmode The
firmer settingofthe suspe nsion tuni ngin
the Spo rtdri ve pro grame nsures evenbetter
conta ctwith the road.Sel ect thisd rive pro -
gra mw hene mp loying asporty driving style,
e.g .onw indi ng cou ntry roads.
X Pre ssDYNAM ICSELEC Tbutton 0043asma ny
time sasn ece ssaryunti lthe Spo rtdri ve
pro gramisselecte d.
Se lecti ng Spo rtPlus mode The
firmer suspe nsion setti ngsinthe Spo rt
Pl us drive pro grame nsureeve nbetter conta ct
wi th the road.Sel ect thism odew hene mp loy-
ing asporty driving style,e .g.o nw indi ng cou n-
try roadsor, idea lly, wh en driving onclosed
ra ce circ uits.
X Pre ssDYNAM ICSELEC Tbutton 0043repeat-
ed lyunti lthe Spo rtPlus drive pro gramis
sel ecte d. Dri
ving sys tems
153Dr ivi ng andp arki ng Z

Parking
AssistPARKTRONIC
Import antsafety notes Parking
AssistPARKTRONIC isan electron ic
parking aidwith ultrasound. Itmonitor sthe
area around yourvehicle usingsixsensors in
the front bumper andfour sensors inthe rear
bumper. ParkingAssistPARKTRONIC visually
and audib lyindicates thedistance between
your vehicle andanobject .
Parking AssistPARKTRONIC isonly anaid. Itis
not areplacement foryour atten tiontoyour
immediate surroundings. Youarealwa ys
responsible forsafe maneuvering, parkingand
exiting aparking space. Makesurethatthere
are nopersons, animalsorobject sint he
maneuvering areawhen youaremaneuvering
or parking.
! When
parking, payparticular attentionto
object sabove orbelow thesensors, suchas
flower potsortrailer drawbars.
PARKTRONIC doesnotdetect suchobject s
when theyareinthe immediate vicinityof
the vehicle. Youcould damage thevehicle
or the object s.
The sensors maynotdetect snowandother
object sthat absorb ultrasonic waves.
Ultrasonic sourcessuchasan automatic car
wash, thecompressed-air brakesonatruck
or ap neumatic drillcould cause
PARKTRONIC tomalfunction .
PARKTRONIC maynotfunct ioncorrect lyon
uneven terrain.
Parking AssistPARKTRONIC isactivated auto-
matically whenyou:
R switch onthe ignition
R shift thetransm issiontoposition 005B,005Eor
005C
R release theelectric parking brake
Parking AssistPARKTRONIC isdeactivated at
speeds above11mph (18km/h). Itis reacti-
vated atlower speeds. Range
ofthe sensors General
notes
Parking AssistPARKTRONIC doesnottake into
account obstacles located:
R below thedetect ionrange, suchaspersons,
animals orobject s
R above thedetect ionrange, e.g.overhanging
loads, tailsection sorloading rampsof
truck s 0043
Sensors inthe front bumper, left-hand side
(example)
The sensors mustbefree from dirt,iceor
slush. Theycanotherwise notfunct ioncor-
rectly. Cleanthesensors regularly ,taking care
not toscratc hordamage them(Ypage 251).
Range 154
Driving
systemsDriving andparking

R
solvents
R cleaning agentscontaining solvents
Do not scrub.
Do not touch thesurfaces andfilms with
hard objects, e.g.rings orice scrapers. Oth-
erwise, youmay scratch ordamage thesur-
faces andfilms.
! Do
not park yourvehicle foralong period
of time directly aftercleaning, particularly
after cleaning thewheel rimwith wheel
cleaner. Wheelcleaner canlead tothe
increased corrosionofthe brake discsand
pads. Therefore, driveforafew minutes
after cleaning. Byheating upthe brakes, the
brake discsandpads dry.Thevehicle can
then beparked foralong period oftime.
Regu larcare ofyour vehicle isac ondition for
retaining thequal ityinthe long term.
Use care products andcleaning agentsrecom-
mended andapproved byMercedes-Benz . Washing
thevehicl eand cleani ng
the paintwork
Automatic carwash G
WARNING
Braking efficiency isreduced afterwashing
the vehicle. Thereisar isk ofan accident.
Aft erthe vehicle hasbeen washed, brake
carefully whilepayingattent iontothe traffic
conditions untilfullbraking poweris
restored.
! When
DISTRONIC PLUSorthe HOLD func-
tion isactivated, thevehicle brakesauto-
matically incertain situations.
To avoid damage tothe vehicle, deactivate
DISTRONIC PLUSandtheHOLD function in
the followi ngorsimilar situations:
R when towing thevehicle
R in the carwash
! It
is preferable touse carwashes with
adjustable high-pressure pre-cleaningthat
corresponds tothe specification forthe
Cabri oletprogram. Incar washes thatuse
high water pressures, thereisar isk that a
small amount ofwater mayleakintothe
vehicle. !
Lock
thecarifyou wash itin an automatic
car wash. Otherwise, thevehicle mightbe
damaged .
! Never
cleanyourvehicle inaT ouchless
Automatic CarWash asthese usespecial
cleaning agents.Thesecleaning agentscan
damage thepaintwork orplastic parts.
If you have yourvehicle cleaned inah igh-
pressure automatic carwash, small
amounts ofwater mayenter thevehicle.
! Make
surethattheautomatic transmission
is in position Nwhen washing yourvehicle
in at ow-through carwash. Thevehicle could
be damaged ifthe transmission isin another
position.
! Make
surethat:
R the side windows androof arecompletely
closed
R the climate controlblower isswitched off
R the windshiel dwiper switch isin position
0
The vehicle mayotherwise bedamaged .
You canclean thevehicle atan automatic car
wash fromthevery start.
Preferably cleanthevehicle atautomatic car
washes thatusetextilewashing elements
without brushes. Thisprevents finescratches
from forming onthe paintwork andfilm.
If the vehicle isvery dirty, pre-wash itbefore
cleaning itin an automatic carwash.
Aft erusing anautomatic carwash, wipeoff
wax from thewindshiel dand the wiper blades.
This willprevent smearsandreduce wiping
noises caused byresidue onthe windshiel d.
i Vehicles
withdecorative film:select a
wash program withouthotwax atthe auto-
matic carwash.
Washing byhand In
some countries, washingbyhand isonly
allow edatspeciall yequip ped washing bays.
Observe thelegal requirements ineach coun-
try.
X Do not use hotwater anddonot wash the
vehicle indirect sunlight.
X Use asoft sponge toclean.
X Use amildcleaning agent,suchasac ar
shampoo approved byMercedes-Benz . Care
247Maintenance andcare Z