2019 MERCEDES-BENZ SL ROADSTER park assist

Up
toaspeed ofapproximately 44mph
(70 km/h), BrakeAssist withcross-t raffic
function mayreact to:
R stationary objectsinthe path ofyour vehi-
cle, e.g. stopped orparked vehicles
R pedestrians inthe path ofyour vehicle
R obstacles crossingyourpath which movein
the detection rangeofthe sensors andare
detected
i If
Brake Assist withcross-t rafficfunction
requires aparticularl yhigh braking force,
preventative passengerprotectionmeasures
(PRE-SAF E®
)are activated atthe same time
(Y page 55).
X Keep thebrake pedaldepressed untilthe
emergency brakingsituation isover.
ABS prevents thewheels fromlocking.
Brake Assist withcross-t rafficfunction is
deactivated andthebrakes function asusua l
agai nif:
R you release thebrake pedal
R there isno longer arisk ofcollision
R no obstacle isdetected infront ofyour vehi-
cle
R you depress theaccelerator pedal
R you activate kickdown Active
BrakeAssis t
General information i
Observe
the"Important safetynotes" sec-
tion (Ypage 60).
Act ive Brake Assist consists ofadistance
warning function withanautonomous braking
function andAdaptive BrakeAssist.
Act ive Brake Assist canhelp youtominimize
the risk ofacollision withthevehicle infront
or reduce theeffects ofsuch acollision.
If Act ive Brake Assist detects thatthere isa
risk ofcollision, youwillbewarned visually
and acousticall y.Ifyou donot react tothe vis-
ual collision warningorthe warning tone,
autonomous brakingcanbeinitiated incritical
situations. Ifyou apply thebrake yoursel fin a
critical situation, AdaptiveBrakeAssist ofthe
Act ive Brake Assist system supports you. Importa
ntsafety notes In
particular, thedetection ofobstacles canbe
impaired if:
R there isdirt onthe sensors oranything else
covering thesensors
R there issnow orheavy rain
R there isinterferenc eby other radarsources
R there arestrong radarreflections, forexam-
ple inparking garages
R anarrow vehicle istraveling infront ,e.g. a
motorbike
R avehicle istraveling infront onadifferent
line
R you aredriving anew vehicle orservicing on
the Active Brake Assist system hasjust
been carried out
Observe theimportant safetynotesinthe
"Breaking-in notes"section (Ypage 125).
Followi ngdamage tothe front endofthe vehi-
cle, have theconfiguration andoperation of
the radar sensor checked ataqual ified spe-
cialist workshop. Thisalso appli estocollisions
at slow speeds wherethereisno visible dam-
age tothe front ofthe vehicle.
Activating/ deactivating Act
ive Brake Assist isautomaticall yactive
after switching onthe ignition.
You canactivate ordeactivate Active Brake
Assist usingtheon-board computer
(Y page 198). When deactivated, thedistance
warning function andtheautonomous braking
function arealso deactivated.
If Act ive Brake Assist isdeactivated, the00D4
symbol appearsinthe assistance graphicdis-
play .
Distance warningfunction General
information
The distance warningfunction canhelp youto
minimize therisk ofafront -end collision witha
vehicle aheadorreduce theeffects ofsuch a
collision. Ifthe distance warningfunction
detects thatthere isarisk ofacollision, you
will bewarned visuallyand acousticall y. Driving
safetysystems
63Safety Z

Imp
ortant safety notes
i Obs
erveth e"Im portantsafe tyno tes" sec -
tio nfor driv ingsafe tysyst ems (Ypage 60). G
WAR
NING
The distancewarn ingfunction does not
reac t:
R to peop leor anim als
R to oncomin gveh icles
R to cross ing traff ic
R when cornerin g
The distancewarn ingfunction may notgiv e
warn ingsin all critical situati ons.Ther eis a
ris kof an acc iden t.
Alw ays pay careful attentio nto thetraff ic
sit uati onand beread yto brak e.
Alw ays adapt yourspeedto suit thepre vail-
ing road andtraff icco nd ition s. G
WAR
NING
The distancewarn ingfunction cannot
always clearly iden tifyobj ect sand comple x
tr aff icsit uati ons.
In suc hcas es, thedist ancewarn ingfunction
may:
R giv ean unn ecessar ywarn ing
R no tgiv eawarn ing
Ther eis aris kof an acc iden t.
Alw ays pay careful attentio nto thetraff ic
sit uati onand donotrely solelyon thedis-
tan cewarn ingfunction .
Funct ion
St art ing ataspee dof appr oximat ely4mph
(7 km/ h),the dista nce warning functio nwa rns
yo uif yo ura pidlyap pro ach aveh iclein fro nt.
An inte rmittent warning tone willthe nsou nd,
and the00BA dista nce warning lamp willlight
up inthe instrument cluste r.
X Bra keimmed iatel yin ord erto incr ease the
di sta nce fromthe vehiclein fro nt.
or X Take eva sive acti on, provided itis sa fe to do
so.
Due tothe natu reofthe syste m, partic ular ly
comp licate dbu tnon-cr itical drivin gcond itions ma
yal so cau sethe syste mto disp laya wa rn-
ing .
Wi th the helpof the rada rse nso rsy ste m, the
di sta nce warning functio ncan detect obsta -
cle stha tar ein the path ofyour veh iclefor an
exte ndedpe rio dof tim e.
Up toasp ee dof appro xim ately44 mph
(70 km/h ),the dista nce warning functio ncan
al so rea ctto sta tionar yob sta cles,su ch as
stop pedor parked vehicles .
Au ton omo usbrak ingfun ction If
the driver does not reactto the dista nce
wa rning signa lin acri tica lsi tua tion,Activ e
Bra keAssi stcan assist with the autono mous
bra king functio n.
If the autono mousbra king functio nreq uires a
pa rtic ular ly high bra king force, preventa tive
pa sse nge rpro tecti onmea sures (PRE-S AFE®
)
ar eacti vated simu ltaneo usly.
The autono mousbra king functio nis availa bl e
in the followi ng spee dra nge s:
R 4-65 mph (7-105 km/h )for mov ing
ob jects
R 4-31 mph (7-50 km/h )for stationar y
ob jects
Due tothe natu reofthe syste m, partic ular ly
comp licate dbu tnon-cr itical drivin gcond itions
ma yal so cau sethe autono mousbra king func-
tio nto inte rvene.
If the autono mousbra king functio nreq uires a
pa rtic ular ly high bra king force, preventa tive
pa sse nge rpro tecti onmea sures (PRE-S AFE®
)
ar eacti vated simu ltaneo usly(Y page 55).
Ada ptiv eBrake Assist Ge
neral info rmatio n
i Ob
serve the "Impo rtantsafety note s"sec-
tio n(Y page 60).
Wi th the helpof Ada ptive Bra keAssi st,the dis-
tance warning signa lcan detect obsta clestha t
ar ein the path ofyour veh iclefor anexte nded
pe rio dof tim e.
If Ada ptive Bra keAssi stdetects aris kof col li-
si on with the vehiclein fro nt, itcal cul ate sthe
bra king force nece ssaryto avoid acol lisi on. If
yo uap plythe brakes forcefu lly, Ada ptive
Bra keAssi stwillau toma tically incr ease the
bra king force toalevel suita ble for the traffic
cond itions . 64
Dr
ivi ng safet ysy stem sSafet y

int
erve neinthe secases .There isarisk of
an acc ident .
Always payparticular attent ion tothe traffic
situat ionand beprepar edtobrak e,espe-
cially ifAc tiveBrak eAss istwith cross-traffic
func tion alert syou.
In order tomaint ainthe appropr iatedistance
to the vehic lein fro ntand thus preventacolli-
sion ,you must apply thebrak esyourself . G
WARN
ING
Ac tiveBrak eAss istwith cross-traffic func-
tion does notreact :
R to small people, e.g.childr en
R to animals
R to onc omin gvehic les
R when corner ing
As aresult ,Ac tiveBrak eAss istwith cross-
tr affic function may notwarn youorengag e
in all crit ical situat ions.There isarisk ofan
acc ident .
Always paycaref ulatt ent ion tothe traffic
situat ionand beready tobrak e.
In the even tof sno wfall orheavy rain,therec-
ogn ition canbeimpaired .
Recogn itionbythe radar sensor syst emisalso
impaired if:
R the reisdirt onthe sensors oranyt hing else
cov erin gthe sensors
R the reisint erfe rencebyoth erradar sources
R the reare strong radar reflections ,for exam -
ple inpark inggarages
R anarr owvehic leistravelin gin fro nt,e.g. a
mot orbik e
R avehic leistravelin gin fro nton adiffe rent
line
Recogn itionbythe camer asyst emisalso
impaired inthe even tof:
R dirt onthe camer aor ifthe camer ais cov -
ered
R glare onthe camer asyst em, e.g.fromthe
sun being lowinthe sky R
dark ness
R or if:
- pedest riansmove quickly,e.g. intothe
path ofthe vehic le
- the camer asyst emnolong errec ogn izes a
pedest rianasaperso ndue tospec ial
clot hing oroth erobje cts
- apedest rianiscon cealed byoth er
obje cts
- the typic aloutlin eof apedest rianisnot
dist inguish ablefromthe back groun d
Followin gdamage tothe frontend ofthe vehi-
cle, have theconfigurat ionand operat ionof
the radar sensors checkedataqualified spe-
cialist workshop. Thisalso applies tocollis ions
at slow speeds wherethereisno visible dam-
age tothe frontofthe vehic le.
Followin gdamage tothe windsh ield,have the
con figurat ionand operat ionofthe camer asys-
tem chec kedataqualified specialist work-
shop.
Function X
To acti vateor deact ivate:act ivat eor
deact ivateAc tiveBrak eAss istwith cross-
tr affic function using theon-board computer
(Y page 198).
When ActiveBrak eAss istwith cross-traffic
func tion isdeact ivated, the 00D4 symbol
appears inthe assist ancegraphic displayof
the multif unction display.
St artin gat aspeed ofaround 4mph (7km /h),
this func tion warns youifyou rapidly approac h
a vehic lein fro nt.An intermit tentwarnin gton e
will thensound andthe00BA distancewarnin g
lamp willlight upinthe instrumen tclust er.
X Brak eimmed iatelytodefuse thesituat ion.
or
X Take evasiv eact ion prov ided itis safe todo
so.
Ac tiveBrak eAss istwith cross-traffic function
can also brakethe vehic leautom atically under
the followin gcon dition s:
R the drive rand frontpassen gerhave their
seat belts fastened
and
R the vehic lespeed isbetwee napprox imately
4 mph (7km /h) and 124 mph (200 km/h) Driving
safety syst ems
71Safety Z

Up
toaspeed ofapproximately 44mph
(70 km/h), Active Brake Assist withcross-t raf-
fic function mayreact to:
R stationary objectsinthe path ofyour vehi-
cle, e.g. stopped orparked vehicles
R pedestrians inthe path ofyour vehicle
i If
there isan increased riskofacollision,
preventive passengerprotectionmeasures
(PRE-SAF E®
)are triggered (Ypage 55).
If the risk ofcollision withthevehicle infront
remains andyoudonot brake, takeevasive
action oraccelerate significantly, thevehicle
may perform automatic emergency braking,up
to the point offull brake application. Auto-
matic emergency brakingisnot performed
until immediately priortoan imminent acci-
dent.
You canprevent theintervent ionofAct ive
Brake Assist withcross-t rafficfunction atany
time by:
R depressing theaccelerator pedalfurther
R activating kickdown
R releasi ngthe brake pedal
The braking application ofAct ive Brake Assist
with cross-t rafficfunction isended automati-
cally if:
R you maneuver toavoid theobstacle
R there isno longer arisk ofcollision
R an obstacle isno longer detected infront of
your vehicle STEER
CONTROL
General information STEE
RCONTROL helpsyoubytransmitt inga
noticeable steeringforcetothe steering wheel
in the direction requiredforvehicle stabiliza-
tion.
This steering assistance isprovided inparticu-
lar if:
R both right wheels orboth leftwheels areon
a wet orslippe ryroad surface whenyou
brake
R the vehicle startstoskid Importa
ntsafety notes i
Observe
the"Important safetynotes" sec-
tion (Ypage 60).
No steering supportisprovided fromSTEER
CONTROL, if:
R ESP ®
is deactivated
R ESP ®
is malfunctioning
R the steering isfaulty
If ESP ®
is malfunctioning, youwillbeassisted
further bythe electrical powersteering. Protection
againsttheft Immobilizer
X To activate withtheSmart Key:remove
the SmartKey fromtheignition lock.
X To activate withKEYLESS-GO: switchthe
ignition offand open thedriver's door.
X To deactivate: switchonthe ignition.
The immobili zerprevents yourvehicle from
being started without thecorrect SmartKey.
When leaving thevehicle, alwaystake the
SmartKey withyouand lock thevehicle. The
engine canbestarted byanyone withavalid
SmartKey thatisleft inside thevehicle.
i The
immobili zerisalwa ysdeactivated
when youstart theengine.
In the event thattheengine cannot bestar-
ted (yet thevehicle's batteryischarged),
the system isnot operational. Contactan
authorized Mercedes-Benz Centerorcall
1-800 -FOR-MERCedes (inthe USA) or
1-800 -387-0100 (inCanada ). ATA
(anti-theft alarmsystem) 72
Protection
againsttheftSafety

It
is only possib leto shift thetransmission
from positio n005D tothe desire dpositio nif you
depres sthe brake pedal.Only thenisthe shift
lock relea sed.
i Upshifts
takeplaceathigher engine
speed safter acold start. Thishelps thecat-
aly tic converter toreach itsopera tingtem-
peratu remore quickly.
Information onthe automa ticrelea seofthe
electric parking brake(Ypage 148).
Hill start assist Hill
start assisthelps youwhen pulling away
forward orinreverse onanuphi llgradi ent.It
holds thevehicle forashort timeafter you
have removed yourfoot from thebrake pedal.
This gives youenough timetomove yourfoot
from thebrake pedalto the accelera torpeda l
and todepres sit before thevehicle beginsto
roll. G
WARNING
After ashort time,hillstart assistwil lno lon-
ger brake yourvehicle anditcould rollawa y.
There isarisk ofan accident andinjury.
Therefore, quickly move yourfoot from the
brake pedalto the accelera torpeda l.Never
lea vethe vehicle whenitis held byhill start
assis t.
Hill start assistisnot active if:
R you arepulling awayon alevel roadoron a
downhi llgradi ent
R the transmission isin positio n005C
R the electric parking brakeisappl ied
R ESP ®
is malfu nctioning ECO
start/stop function
Introductio n The
ECO start/stop functionswitches the
engine offautoma ticallyifthe vehicle isstop-
ped under certain conditions.
The engine startsautoma ticallywhenthe
driver wants topul lawa yaga in.The ECO
start/stop functiontherebyhelpsyouto
reduce thefuel consumption andemissi onsof
you rvehicle . Important
safetynotes G
WARNING
If the engine isswitched offautoma tically
and youexit thevehicle ,the engine is
restarted automatically.The vehicle may
begi nmoving. Thereisarisk ofaccident and
injury.
If you wish toexit thevehicle ,alw ays turn
off the ignition andsecure thevehicle
aga inst rollingawa y.
Gene ralnotes 0043
ECO start/stop display
The ECO start/stop functionisactivated
whenever youswitch onthe engine usingthe
SmartKey orthe Start/St opbutton.
If the engine hasbeen switched offautoma ti-
cally bythe ECO start/stop function,the00D6
ECO symbo lis shown inthe multifu nctiondis-
pla y.
Mercede s-AMGvehicles:theECO start/stop
function isonly availablein drive program C.
Automatic engineswi tch-off If
the vehicle isbraked toastandstill withthe
transmission in005B or005C, theECO start/stop
function switches offthe engine automa tically.
The ECO start/stop functionisopera tional
when:
R the indicator lampinthe ECO button islit
green
R the outsid etemperature iswithin therange
that issuita bleforthe system
R the engine isat normal operatingtempera-
ture
R the settemperature forthe vehicle interior
has been reached
R the battery issufficie ntlycharged Drivi
ng
129Drivi ngand parking Z

If
drive program S,S+ orMisactive, the
automa tictransmission switchestodrive
program C.
If indicator lamp0044isoff, theECO start/stop
function hasbeen deactiva tedmanua llyoras the
resul tof amalfu nction. Theengine will
then notbeswitched offautoma ticallywhen
the vehicle stops. Proble
mswith theengi ne Proble
m Possi
blecauses /consequen cesand 0050 0050
Solutio ns The
engine doesnot
start. The
HOLD function orActive Distance AssistDISTRONIC isactiva-
ted.
X Deactivate theHOLD function (Ypage 165)orActive Distance
Assist DISTRONIC (Ypage 161).
X Try tostart theengine again. The
engine doesnot
start. Thestarter motor
can beheard . R
There isamalfu nction inthe engine electronics.
R There isamalfu nction inthe fuel supp ly.
Before attempting tostart theengine again:
X Turn theSmartKey backtopositio n0092 inthe ignition lock.
or X Press theStart/St opbutton repeatedlyuntilallindicator lampsin
the instrument clustergoout.
X Try tostart theengine again(Y page 127). Avoid excessivel ylong
and freque ntattempts tostart theengine asthese willdrai nthe
battery.
If the engine doesnotstart after several attempts:
X Consul ta qua lifiedspecia listworkshop. The
engine doesnot
start. Youcannot hear
the starter motor. The
on-board voltageistoo low becau sethe battery istoo wea kor
discha rged.
X Jump -start thevehicle (Ypage 285).
If the engine doesnotstart despi teattempts tojump-start it:
X Consul ta qua lifiedspecia listworkshop. The
starter motorwasexposed toathermal loadthatwastoohigh.
X Allow thestarter motortocool down forappro ximately two
minutes.
X Try tostart theengine again.
If the engine stilldoes notstart:
X Consul ta qua lifiedspecia listworkshop. Drivi
ng
131Drivi ngand parking Z

X
Press DYNAMICSELECT button 0043asmany
times asnecess aryuntil thedesired drive
program isselected.
The selected driveprogram appearsinthe
multifunc tiondisplay. Afterashort period of
time, thedisplay goesoutand thesymbol
for the selected driveprogram appears.
In addition, thecurren tdrive program set-
tings aredisplayed brieflyinthe multimedia
system display.
i In
afew count ries,theECO start/stop
funct ionisdeactivated atthe factor ydue to
the availabl efuel grade. Inthis case, the
ECO start/stopfunct ionisnot availabl ein
any drive program, regardless ofthe display
in the multimedia systemdisplay.
Available driveprograms: C
Comfort Comfort
ableandeconom i-
cal driving charact eristics S
Sport Sport
ydriving charact eris-
tics S+
Sport Plus Particularly
sportydriving
charact eristics I
Individual Individual
settings E
Econ omy
(vehicles with
adjustable
damping) Particularly
economical
driving charact eristics CV
CURVE
(vehicles with
Act ive Body
Contr ol) Particularly
economical
driving charact eristics with
corn ering function Addition
alinform ationfordrive programs
(Y page 138). DYNAMIC
SELECTcontroller
(Mercedes-AMG vehicles) General
information
Select thedrive program usingtheDYNA MIC
SEL ECT controller.
Available driveprograms: I
Individual Individual
settings C
Comfort Comfort
-oriented,opti-
mum-ec onomyengineand
tran smission settings S
Sport Sport
yengine andtrans-
mission settings S+
Sport Plus Particularly
sportytrans-
mission settings Race
Maximum
sportinessand
engine andtransmission
sett ings suitable forthe
racetr ack Dependin
gon the drive program selected the
following vehiclecharacteristics willchange:
R the drive (engine management )
R the tran smission management
R ESP ®
R the suspension
R the steerin g
R the availabi lityofthe ECO start/stopfunc-
tion
R the driver assistanc esystems
R the availabi lityofgliding mode
Further informationforautomatic drivepro-
gram charact eristics (Ypage 138).
Addition ally,indrive program Iyou can conf ig-
ure therespect ivevehicle characteristics
using themultimedia system.Youcanfind
inform ationabout thisinthe Digital Operator's
Manual.
Each timeyoustart theengine withtheSmart -
Key orthe Start /Stopbutton ,drive program C
is activat ed.For further informationabout
start ingthe engine, see(Ypage 127). DYNAMIC
SELECTcontroller (Mercedes-AMG vehicles)
133Driving andparking Z

Engag
ingpark posi tion P All
vehi cles (excep tMer cedes -AMGvehi -
cles) X
When theveh icle isstatio nary,depr essthe
brak epedal.
X Pre ssbut ton0043.
Mer cedes -AMGvehi cles X
When theveh icle isstatio nary,depr essthe
brak epedal.
X Pre ssbut ton0043.
Engag ingpark posi tion Pau tom ati-
cally Park
position005Disauto maticall yeng aged if:
R you switchoff theeng ineusin gth eSm art-
Key and remove theSm artKey
R you switchoff theeng ineusin gth eSm art-
Key orusin gth eSt art /S topbutt onand
open thedriv er'sdoor orfron t-passe nger
door
R you open thedriv er'sdoor when theveh icle
is statio naryor when drivingataver ylow
spee dand thetrans miss ionisin posit ion005B
or 005E Un
der certain condition s,theauto matictrans -
miss ionshiftsauto maticall yto trans miss ion
posit ion005Difth eHO LD function orActiveDis -
tan ceAssist DISTRO NICisact ivat ed. Obse rve
th einf orm ationon theHO LD function
(Y page 165)and onActiveDis tan ceAssist
DI STRO NIC(Ypage 159).
Engag ingreversegear R !
On
lymov eth eauto matictrans miss ionto
005E when theveh icle isstatio nary.
X De pres sth ebrak eand keep itpres sed.
X Push theselec torleve rfor wards pastthe
fir st poin tof res istanc e.
The ECO start /stopfun ction isno tavailabl e
when revers egear iseng aged. Further infor-
mat ionontheECO start /stopfun ction
(Y page 129).
Shif tingto neut ralN G
WAR
NING
If ch ildre nare left unsuperv isedintheveh i-
cle ,th ey coul d:
R oper atetheveh icle'sequipm ent
Add ition ally, childre ncoul dset theveh icle in
mot ionif,for exam ple,they:
R rele ase thepark ingbrak e
R shif tth eauto matictrans miss ionout of
park position005D
R start theeng ine
Ther eis arisk ofan acc iden tand injury.
Nev erleave childre nor anim alsunat tende d
in theveh icle.
When leavingth eveh icle,always taketh e
Sm artKey with youand lockth eveh icle.This
also applies fortheDig ital Vehi cleKey ifth e
"Dig italVehi cleKey" function isact ivat edvia
Mer cedesme connect.
X When theveh icle isstatio nary,depr essthe
brak epedal.
X Push theselec torleve rfor wards orback to
th efir st poin tof res istanc e.
If you switchtheeng ineoffwith thetrans mis-
sion inposit ion005Eor005B, theauto matictrans -
miss ionshiftsto 005C auto maticall y. 136
Aut
oma tictrans missionDriv ingand parking