2020 MERCEDES-BENZ SLC ROADSTER stop start

0044 Neut
ral
Do not shiftthe transmi ssion to
0044 whiled riving .The automa tic
tra nsmi ssion cou ldothe rwiseb e
da ma ged.
No powe rist ransmi ttedfromt he
eng inetothe drive wheels.
Re leas ing the brakepedalw illa llow
yo ut om ovet he veh iclef reely, e.g .
to push itor tow it.
If ESP ®
is de acti vated orfaulty: shift
the transmi ssion topositio n0044 if
the vehiclei sind angero fskidd ing ,
e.g .onicy roa ds.
! Co
asting inneu tral005C may
cau sedama getothe drive train. 003A Dri
ve
The automa tictransmi ssion
cha nge sgeara utoma tically. All
for wa rdgearsa reavailabl e. Dri
ving tips
Ch ang ingg ear The
automa tictransmi ssion shifts thro ught he
ind ividu alge arsa utoma ticallyw henitisi n
tra nsmi ssion positio n005B.T hisa utoma ticgear
shi fting behavio risd eterm inedb y:
R the selecte ddrive pro gram
R the positio no fthe acce lera tor pedal
R the roadspeed
Ac celerator pedalposition Yo
ur sty leof dri ving influences howtheauto-
ma tic transmi ssion shifts gear:
R little thro ttle:early up shi fts
R mor ethro ttle :lat eu pshifts Ki
ck dow n Use
kickd ownfor ma xim um accelera tion.
X Dep ressthe acc elera tor pedalbeyond the
pre ssu repoint.
The automa tictransmi ssion shifts toalow er
ge ar dependi ng on the enginespeed.
X Eas eoffthe accelera tor pedalonce the
de sired speedisrea che d.
The automa tictransmi ssion shifts back up. Dri
veprog rams
Dri veprog ramC(Comfo rt) In
city traffica nd stop -starttra ffic, dri ve pro -
gra mCis reco mme nded.
Driv eprogra mCis cha racteri zedbythe follow-
ing :
R the vehicled elive rscomf ortable, eco nomi cal
ha ndl ing characteri stics.
R the vehiclep ulls aw ay mor egently in
for wa rdand revers egears,u nless theaccel-
era tor pedalisd epresse dfully.
R the vehicleh asimp roveddriving stability,
for exa mpl eonslipper yroads urfaces .
R op tima lfue lcons umption resulting fromt he
au toma tictransmi ssion shifting upsoo ner.
The vehiclei sd riven inthe lowe ngine spee d
ra nge and thewheelsarel esslikel yt os pin.
R thes uspe nsi on exh ibits comf ortabled amp-
ing setti ngs(ada pti ve dampi ngsystem only
in veh icles with AMG RIDE CONTR OLsports
su spe nsion) .
R the stee ring exhibits comf ortables tee ring
cha racteri stics.
Dri veprog ramS(Sport) Driv
eprogra mSis cha racteri zedbythe follow-
ing :
R the vehiclee xhibits spo rtydriving character-
is tics .
R the vehiclep ulls aw ay infirst gear.
R the automa tictransmi ssion shifts uplater.
The fuel cons umption possi blyb eing highe r
as aresulto fthe later automa tictransmi s-
si on shiftpo ints . 12
8 Au
tomati ctrans missionDr ivi ng andp arki ng

Problems
withthetransmission Problem
Possible
causes/co nsequences and0050 0050
Solutions The
transm issionhas
problems shiftinggear. The
transm issionislosing oil.
X Have thetransm issioncheckedataq uali fied specialist workshop
immediately. The
acceleration ability
is deteriorating.
The transm issionno
longer changes gear. The
transm issionisin emergency mode.
It is only partly possible toengage thegears, orthe transm issionis
in position 005C.
X Stop thevehicle.
X Shift thetransm issiontoposition 005D.
X Switch offthe engine.
X Wait atleast tenseconds beforerestartingthe engine.
X Shift thetransm issiontoposition 005Bor005E.
X Have thetransm issioncheckedataq uali fied specialist workshop
immediately. Refueling
Import
antsafety notes G
WARNING
Fuel ishighly flammable. Riskoffire and
explosion byimproper handlingoffuel.
You must avoid fire,open flames, smoking
and creating sparks.Switchoffthe ignition
before refueling and,ifpresent, switchoff
the auxilia ryheating. G
WARNING
Fuels aretoxic andharmful tohealth. There
is ar isk ofinjury.
You must avoid fuelscoming intocontact
with skin, eyesandclothes orbeing swal-
lowed.
Do not inhale thefuel vapors. Keepchildren
away fromfuels.
Keep doors andwindows closedduringthe
refueling process. If
you orothers comeintocontactwith fuel,
observe thefollowing points:
R Immediately rinsethefuel offyour skin
with soap andwater.
R Ifyou getfuel into your eyes, immediately
rinse youreyes throughly withclean
water. Seekmedical attentionimmedi-
ately.
R Seek medical attentionimmediately iffuel
has been swallow ed.Donot induce vomit-
ing.
R Immediately changeoutofclothing which
has come intocontactwith fuel. G
WARNING
Elect rostatic charging canlead tothe crea-
tion ofsparks andignite fuelvapor. Thereis
ar isk offire and explosion.
Touch themetallic bodyofthe vehicle
before youopen thefuel filler caporhandle
the pump nozzle.Any possible electrostatic
charge present willinthis way bedepleted.
Do not getinto thevehicle againduring the
refueling process.Otherwise, electrostatic
charge couldbuildupagain. 132
RefuelingDriving
andparking

To
ensure thatthevehicle issecured against
rolling awayunintention ally:
R the electric parking brakemustbeapplied.
R the trans mission mustbeinposition 005D.
R the Smart Keymust beremoved fromthe
ignition lock.
R the front wheels mustbeturned towards the
curb onsteep uphillordownhill gradients. Switching
offthe engine G
WARNIN
G
The automatic transmission switches toneu-
tral position Nwhen youswitch offthe
engine. Thevehicle mayrollaway .There isa
risk ofan accident .
Aft erswitching offthe engine, alwaysswitch
to parking position P.Prevent theparked
vehicle fromrolling awaybyapplyi ngthe
parking brake.
X Apply theelectric parking brake.
X Shift thetrans mission toposition 005D
(Y page 126).
X With theSmar tKey:turn theSmart Keyto
position 0092inthe ignition lockandremove
it.
The immobilizer isactivated.
X With KEYLESS-GO: presstheKEYLE SS-GO
Start /Stopbutton (Ypage 118).
The engine stopsandallthe indicator lamps
in the instr ument cluster goout.
If the driver's doorisclosed, thisisthe
same asSmart Keyposition 0047.Ifthe driv-
er's door isopen, thisisthe same asSmart -
Key position 0092(Ypage 118).
The engine canbeswitched offwhile thevehi-
cle isin motion bypressing andholding the
Start /Stopbutton forabout threeseconds.
This funct ionoperates independent lyof the
ECO start/stopautomatic engineswitch-off
funct ion. Elec
tric par king brake
General notes G
WARNIN
G
If children areleft unsupervised inthe vehi-
cle, they could:
R open doors, thereby endangerin gother
persons orroad users
R get out and bestruck byoncom ingtraff ic
R operate thevehicle's equipment
Addition ally,children couldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmission outof
park position 005Dorshift themanual
trans mission toneutral
R start theengine
There isar isk ofan accident andinjury.
When leaving thevehicle, alwaystake the
Smart Keywith youand lock thevehicle. This
also applies forthe digital vehicle keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect.
Always keeptheSmart Keyoutofreach of
children. Thisalso applies forthe Digital
Vehicle Keyifthe "Digital Vehicle Key"func-
tion isactivated viaMercedes meconn ect.
The funct ionofthe electric parking brakeis
dependent onthe on-board voltage.Ifthe on-
board voltage islow orthere isam alfunct ion
in the system, itmay notbepossible toapply
the released parkingbrake.
X Ifthis isthe case, onlypark thevehicle on
level ground andsecure itto prevent itroll-
ing away .
X Shift theautomatic transmission toposition
005D.
It may notbepossible torelease anapplied
parking brakeifthe on-board voltageislow or
there isam alfunct ioninthe system. Contact a
qualified specialist workshop.
The electric parking brakeperforms afunct ion
test atregular intervalswhile theengine is
switched off.The sounds thatcanbeheard
while thisisoccurrin garenormal. Par
king
135Driving andparking Z

App
lyingorreleas ing manua lly X
To apply :push handle0043.
When thee lectric park ingbrak eisa pplie d,
th er ed 0049 (USAonly) or 0024 (Canada
on ly) ind icat orlamp lightsup inthei nstru-
men tclus ter.
The electric park ingbrak ecan also be
applie dwhen theS martKey isrem oved.
X To releas e:pull handle0043.
The red0049 (USAonly) or 0024 (Canada
on ly) ind icat orlamp inthei nstrumen tclus -
te rg oeso ut.
The electric park ingbrak ecan onlybe
rel ease d:
R when theS martKey isin pos ition 0047inthe
ign ition lock(Ypage 118)or
R ifth ei gn ition was switched on usin gthe
St art /S topb utto n
App lyingautom atical ly The
electric park ingbrak eisa uto mat ically
applie dwhen thet rans mis sion isin pos ition
005D and :
R thee nginei ss wit ched off or
R thed river isno tw ear ing aseat belt andthe
dri ver 'sdoor isopen ed
To pre ven tthe elec tric park ingbrak efrom
bein gauto mat icallyapplie d,pull handle0043.
The electric park ingbrak eisa lso applie dauto -
mat icallyif:
R Ac tive Distanc eAssistD ISTR ONI Cbring s
th ev ehiclet oas tand still or
R theH OLDf unction iske epin gthe veh icle
st ati onary In
addit ion,atleast oneo fthe followin gcondi-
ti on sm ustb efulfilled :
R thee nginei ss wit ched off
R thed river isno tw ear ing aseat belt andthe
dri ver 'sdoor isopen ed
R there isas yst em malf unction
R thep owe rsupp lyisins ufficien t
R thev ehiclei ss tation ary foralen gthy per iod
The red0049 (USAonly) or 0024 (Canada
on ly) ind icat orlamp inthei nstrumen tclus ter
ligh tsup.
The electric park ingbrak eisn otauto matically
applie difthe engin eiss wit ched off bythe
ECO start /stopf unction .
Rel eas ing autom atical ly The
electric park ingbrak eisr elease dauto -
mat icallywhen allofthef ollowin gcondition s
are fulfilled :
R thee nginei sr unnin g
R The seat belttong ue isen gage dint he belt
buc kle
R thet rans mis sion isin pos ition 005Bor005E and
you depr essthea cceler atorpedal orshif t
fr om position 005Dto005B or005E
R ifth et rans mis sion isin pos ition 005E,t he
tr unk lidmus tbec losed
If th es eat belt tong ue isno te ngage dint he
seat beltbuckle, thef ollowin gcondition sm ust
be fulf illed :
R thed river 'sdoor isclo sed
R you mov ethe trans mis sion outofpos ition
005D oryou haveprevio usly driven atas pee d
abov e2m ph(3km /h)
R ifth et rans mis sion isin pos ition 005E,t he
tr unk lidmus tbec losed
When thee lectric park ingbrak eisr elease d,
th e0024 indicat orlamp goesoutinthei nstru-
men tclus ter.
Eme rgency brak ing The
vehiclec an also bebrak edduri ngan
eme rgencyb yusingthe elec tric park ingbrak e.
X Whil edrivin g,push handle0043ofthee lectric
park ingbrak e.
The vehiclei sb rak edfor aslon gasthe han -
dle ofthee lectric park ingbrak eisp resse d.
The longer thee lectric park ingbrak ehandle
is depr essed, theg reate rthe brak ingforce. 136
Pa
rkingDriv ingand parki ng

Dur
ing braking :
R aw arning tone sounds
R the ReleaseParkin gBrake Rel
easeParkin gBrake mes sage
ap pe ars
R the red 0049 (USA only)or 0024 (Cana da
onl y)ind icator lamp inthe instrument clus-
ter flashe s
Wh enthe vehicleh asbeen bra ked toas tand-
sti ll,t he electri cparkin gb rake isap plied. Parki
ngthe vehic leforal ongp eriod
If yo ul eave the vehiclep arked forlonge rtha n
fou rweeks,the battery maybed amaged by
exh austive disch arging.
If yo ul eave the vehiclep arked forlonge rtha n
si xw eeks,the veh iclem aysuffe rd am agea sa
res ulto flac ko fuse.
X Visitaq ualifi ed speci alistw orksh opand
see kadvice.
i Yo
uc an obtaininfo rma tiona bout tric kle
cha rgersfro maq ualifi ed speci alistw ork-
sho p. Dri
ving tips Ge
neral notes
Impo rtant safety notes G
WA
RNING
If yo us witch offthe igniti onwhiled rivin g,
sa fety -releva ntfunctio nsareo nlya vailab le
wi th limita tions, ornot atall. Thi scould
af fect, forexa mpl e,the powe rstee ringa nd
the brakeboosti ngeffect. Youw illr eq uire
cons idera blym oree ffort tostee rand bra ke.
The reisar isko fana ccident.
Do not switch offthe igniti onwhiled rivin g. G
WA
RNING
Mob ilec omm unicati ons equipme ntdistra cts
the driver fromt rafficc ond itions. Inaddi-
tio n,the driver couldlose contro lofthe
veh icle. The reisar isko fana ccident. As
adriver ,use mob ilec omm unicati ons
eq uipme ntonl yw hent he veh iclei sa ta
sta nds till.
As avehicleo ccu pant, usem obilec omm uni-
cati ons equipme ntonl yint he designa ted
ar ea ,e .g.t he rea rpasse nge rcomp artment.
Ob ser vethe lega lreq uirem ents forthe country
in wh ich youa redrivin g.Some jurisdi ctio ns
pro hibi tt he driver fromu sing am obilep hone
wh iled rivin gav ehicle.
If yo um akeac allw hile dri vin g,alwa ysuse
ha nds -freem ode.Onl yoperate the telephon e
wh en the traffics itua tio np ermi ts. Ifyo ua re
uns ure, pu llove rtoas afel oc ati on and stop
be for eo perating thetelephon e.
Bea rinm indt hata ta spee do fonly3 0m ph
(a pp roxi mately5 0k m/h ),the vehiclec ove rsa
di sta nce of44 ft(app roxi mately1 4m )per
sec ond .
Dri vesens ibly –s avef uel Ob
ser vethe followi ng tipstos avef uel:
R The tiresshoulda lway sb einfl ate dtothe
reco mme ndedtire pre ssu re.
R Re mov eunne cessary load s.
R Wa rm upthe engineatlowe ngine spee ds.
R Avoi dfrequ ent accelera tiono rbraking .
R Ob ser vethe serviceinte rvalsin the Mainte -
nance Bookletorint he ser viceinte rvaldis-
pl ay .H avea llthe mainte nance workcar ried
in acc ordance with Dai mle rAGr egulati ons.
Fue lcons umption also incr eases when drivin g
in col dw eather, instop -starttra ffica nd inhilly
terr ain.
Dri nki ngand driving G
WA
RNING
Drin king anddrivin ga nd/or takingdru gs
and drivin ga rever ydangerou scomb ina-
tio ns. Even asma llam ount ofalcoh olor
dru gscan affect your ref lexes ,percep tions
and judgme nt.
The possi bility of as erious oreve nfatal
acc ident isgre atlyincr eased when youd rink
or take drugsand drive. Dr
ivi ng tips
137Dr ivi ng andp arki ng
Z

The
ECO display consistsofthree section s,
with aninner andouter area.Thesection scor-
respond tothe following threecategories: 0043
Acce
leration (evaluation ofall
acceleration processes):
R the outer areafillsupand the
inner arealights upgreen: moder-
ate acceleration ,especially at
higher speeds
R the outer areaempties andthe
inner areaisgray: sporty acceler-
ation 0044
Coasting
(evaluation ofall deceler-
ation processes):
R the outer areafillsupand the
inner arealights upgreen: antici-
patory driving, keeping yourdis-
tanc eand early release ofthe
accelerator. Thevehicle can
coast without useofthe brakes.
R the outer areaempties andthe
inner areaisgray: frequent heavy
braking 0087
Constant
(continuous evaluation
over theentir ejourney):
R the outer areafillsupand the
inner arealights upgreen: con-
stant speed andavoidance of
unnecessary accelerationand
deceleration
R the outer areaempties andthe
inner areaisgray: fluctuations in
speed The
three innerareas display thecurrent driv-
ing style andlight upgreen asaresult ofap ar-
ticularly economicaldriving style.Dependin g
on the driving situation, uptotwo areas may
light upsimultaneously.
At the beginning ofthe journey, thethree
outer areas areempty andfillup asaresult of
econom icaldriving. Ahigher levelindicates a
more econom icaldriving style.Ifthe three
outer areas arecompletely filledatthe same
time, thedriver hasadopted themost eco-
nomical drivingstyleforthe selected settings
and prevailing conditions.TheECO display
border lightsup.
The ECO display doesnotindicate theactual
fuel consumpt ion.Theadditionally achieved range
display edunder Bonus fr.start Bonus
fr.start does
not indicate afixed consumpt ionreduction .
In addition todriving style,theactual con-
sumption isaffect edbyother factors,such as:
R load
R tire pressure
R cold start
R choice ofroute
R active electric alconsumer s
These factorsarenot included inthe ECO dis-
play.
An econom icaldriving stylespecially requires
driving atmoderate enginespeeds.
Achievin gahigher value inthe categories
"Accelerat ion"and"Constant ":
R observe thegearshift recommendations .
R drive thevehicle indrive program Cor E.
In urban trafficand stop- start traffic,drive pro-
gram Cis recomm ended.
On long journeys atac onst antspeed, e.g.on
the highway, onlytheouter areafor"const ant"
will change.
The ECO display summarizes thedriving style
from thestart ofthe journey toits completion .
Therefore, therearemore marked changes in
the outer areas atthe start ofajourney. On
longer journeys, therearefewer changes. For
more marked changes, performamanual rest
(Y page 172).
Further informationonthe ECO display
(Y page 171). Br
aking
Import antsafety notes G
WARNIN
G
If you shift down onaslippery roadsurface
in an attempt toincrease theengine's brak-
ing effect ,the drive wheels couldlosetheir
grip. There isan increased dangerofskid-
ding andaccident s.
Do not shift down foradditional enginebrak-
ing onaslippery roadsurface. Driving
tips
139Driving andparking Z

Selec
tingthedrive progra m
Act ive Distanc eAssist DISTRONIC supportsa
sporty driving stylewhen youhave selected
the Sor S+ drive program (Ypage 124).
Acc eleration behindthevehicle infront orto
the setspeed isthen noticeably more
dynamic. Ifyou have selected theCor Edriv-
ing program, thevehicle accelerates more
gently. Incity traffic andstop-st arttraffic,
drive program Cis recommen ded.
Changing lanes
If you want tochange tothe overtakin glane
on multi-lane roads,Active Distanc eAssist
DISTRONIC supportsyouif:
R you aredriving fasterthan45mph
(70 km/h)
R Act ive Distanc eAssist DISTRONIC ismain-
taining thedistance toav ehicle infront
R you switch onthe appropriate turnsignal
R Act ive Distanc eAssist DISTRONIC doesnot
current lydetect adanger ofcollision
If these condition sarefulfilled, yourvehicle is
accelerated. Acceleration willbeinterrupt edif
changing lanestakes toolong orifthe dis-
tance between yourvehicle andthevehicle in
front becomes toosmall.
i When
youchange lanes,Active Distanc e
Assist DISTRONIC monitorsthe left lane on
left-hand- drivevehicles orthe right laneon
right-han d-drivevehicles.
Stopping G
WARNING
If you leave thedriver's seatwhen thevehi-
cle isonly being braked byAct ive Distanc e
Assist DISTRONIC, itcould rollaway :
R ifthere isam alfunction inthe system or
in the voltage supply
R ifAct ive Distanc eAssist DISTRONIC is
deactivated usingthecruise controllever,
for example byavehicle occupant orfrom
outside thevehicle
R ifthe electrical systeminthe engine com-
partment ,the battery orthe fuses are
tampered with R
ifthe battery isdisconnec ted
R ifthe vehicle isaccelerated, e.g.byavehi-
cle occupant
There isar isk ofan accident.
Always deactivate Active Distanc eAssist
DISTRONIC andsecure thevehicle against
rolling awaybefore youleave it.
Further information ondeactivating Active Dis-
tance Assist DISTRONIC (Ypage 150).
If Act ive Distanc eAssist DISTRONIC detects
that thevehicle infront isstopping, itbrakes
your vehicle untilitis stationary.
Once yourvehicle isstationary, itremains sta-
tionary andyoudonot need todepress the
brake.
i Aft
eratime, theelectric parking brake
secures thevehicle andrelieves theservice
brake.
i Depending
onthe specified minimum dis-
tance, yourvehicle willcome toas tandst ill
at as ufficient distance behindthevehicle in
front .The specified minimum distanceisset
using thecont rolonthe cruise controllever.
When Active Distanc eAssist DISTRONIC is
activated, thetransm issionisshifted automati-
cally toposition 005Dif:
R the driver's seatbeltisnot fastened andthe
driver's doorisopen
R the engine isswitched off,unless itis auto-
matically switchedoffbythe ECO start/
stop funct ion.
The electric parking brakeisapplie dautomati-
cally ifAct ive Distanc eAssist DISTRONIC is
active whenthevehicle isstationary and:
R as ystem malfunction occurs
R the power supply isnot sufficient
If am alfunction occurs,thetransm issionmay
also shift toposition 005Dautomatically.
Setting aspeed Keep
inmind thatitmay take abrief moment
until thevehicle hasaccelerated orbraked to
the speed set.
X To
adj ust the setspeed in1m phincre-
ments (1km/h increments): brieflypress
the cruise controllever up0043 tothe pres- 148
Driving
systemsDriving andparking

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