2020 MERCEDES-BENZ SL ROADSTER ECU

The
suspension iscont inuously tunedtoeach
wheel individually anddepends on:
R the road surface condition,e.g. bumps
R the vehicle load
R the drive program selected
Each timeyoustart theengine withtheSmart -
Key orthe Start /Stopbutton ,the Comfort
drive program isactivated. Furtherinformation
about startingthe engine (Ypage 127).
Selecting Comfortmode In
the Comfort driveprogram, thedriving
charact eristics ofyour vehicle aremore com-
fort able. Select thismode ifyou favor amore
comfor tabledriving style.
X Press DYNAMICSELECT button 0043asmany
times asnecessary untiltheComfort drive
program isselected.
Selecting Sportmode
The firmer settingofthe suspension tuningin
the Sport driveprogram ensuresevenbetter
cont actwith theroad. Select thismode ifyou
favor afirmer suspension setting.
X Press DYNAMICSELECT button 0043asmany
times asnecessary untiltheSport drive
program isselected.
Selecting SportPlusmode
The firmer settingofthe suspension tuningin
the Sport Plusdrive program ensureseven
better contactwith theroad. Select thismode
if you favor afirmer suspension setting.
X Press DYNAMICSELECT button 0043asmany
times asnecessary untiltheSport Plus
drive program isselected. Selecting
theCURVE setting
In the CURVE driveprogram, thecurve tilting
funct ionisactivated. Thevehicle tiltsbyup to
2.65 degrees intobends. Thetiltfunct ionand
the comfor tsuspension tuningincrease driving
comfor tin corn ers.CURVE isavailab lein the
speed rangebetween 9mph (15km/ h)and
112 mph (180 km/h).Sel ect this mod eon
wi ndi ng roa dsinpa rticu lar. Ou tsid ethis speed
rang e,the CURVE drive pro gramisthe same
as the Comfort drive pro gram.
The curv etil ting functi onmoni torstheroadin
front ofyour veh icleby mea nsofacame ra
atta ched atthe top ofthe windsh ield .Thi s
functi onisau toma tically acti veifyo usel ect
the CURVE drive pro gram.The system is
ope rationa lat spe eds ofup to112 mph
(180 km/h ).
X Pre ssDYNAM ICSELECT button 0043asmany
time sas neces sary unti lthe CURVE drive
pro gramissel ected .
The system isdea ctiva tedifyo usel ect adi ffer -
ent drive pro gram.
The system maybeimp aired ormay notfunc-
tion if:
R youare driving more slowlythan 9mph
(15 km/h )or fas ter than 112mph
(180 km/h ).
R the vehicleis ful lyladen.
R youdri ve with very highlatera lacce lerati on.
Ac tivati ngthe drivi ngdynami csdis -
play Usi
ngthe driving dynami csdispl ayinthe mul-
time diasy stem displ ay,yo ucan seethedrive
pro gramyousel ected aswellas additiona l
info rma tion onthe vehicle's ope ratingstate . Dri
ving sys tems
171Dri ving and parkin g Z

Imp
ortant safety notes G
WAR
NING
If you oper ateinform ation syst ems andcom-
mun ication equipm entint egr atedin the
veh iclewhen driving,you may bedist racted
fr om thetraff icsit uati on.You could also
lose control oftheveh icle. Ther eis aris kof
an acc iden t.
On lyoper atethis equipm entwhen thetraff ic
sit uati onper mits.Ifyou arenotsur eth at
th is ispos sible ,park theveh iclepayin g
att ention totraff icco nd ition sand oper ate
th eequipm entwhen theveh icleis stati on-
ary.
You must observeth elegal require men tsfor
th eco unt ryinwhic hyou arecurren tly driv ing
when operating theon -board comput er. G
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NING
If th eins trumen tclus terhas faile dor mal-
fun ction ed, you may notrec ogn izefunction
res trict ion sin syst ems relevantto saf ety.
The oper ating safetyof your vehiclemay be
impa ired.Ther eis aris kof an acc iden t.
Dr ive oncar eful ly.Hav eth eveh iclech ecke d
at aqualif iedspec ialist workshop immedi-
ate ly.
The on-board comput eronlysho wsmes sage s
or warn ingsfrom certain syst ems inthemult i-
fun ction disp lay.You should there foremak e
sur eyour vehicleis oper ating safely atall
ti mes .
If th eoper ating safetyof your vehicleis
impa ired,pull overas soo nas itis saf eto do
so. Con tacta qualif iedspec ialist workshop.
Fo ran ove rview, seetheins trumen tpan el
illust ration (Ypage 33). Disp
laysand oper ation Inst
rumen tclus terligh ting
The lighting intheins trumen tclus ter, in the
disp lays andtheco ntrol sin theveh icleint erior
can beadjust edusin gth ebrig htne ss control
kn ob. The
brightne ss control knob isloc ate don the
bot tom leftof theins trumen tclus ter
(Y page 33).
X Turn thebrig htne ss control knob clockwise
or count er-clo ckwise.
If you turnth eligh tswit ch(Ypage 109)to
th e0058, 0060or0058 position ,th ebrig ht-
ne ss will depe ndupon thebrig htne ss ofthe
ambi entligh t.
The lightsen sor intheins trumen tclus ter
auto maticallyco ntrol sth ebrig htne ss ofthe
mult ifunction disp lay.Indayligh t,th edis-
plays intheins trumen tclus terare notillu-
min ated. Sp
eedom eterwith segm ents
The segmen tsinthespee dometer ind icat e
whic hspee dran geisavaila ble.
R Cruis eco ntrol activat ed(Ypage 155):
The segmen tsligh tup from thest ore d
spee dto themax imum speed.
R Ac tive Distanc eAs sist DIST RONI Cact ivat ed
(Y page 157):
On eor two segmen tsintheset spee dran ge
ligh tup.
R Ac tive Distanc eAs sist DIST RONI Cdet ects a
veh iclein fron tmov ingmor eslow lythan the
st ore dspee d:
The segmen tsbet ween thespee dof the
veh iclein fron tand thest ore dspee dligh t
up. Ta
chom eter
! Do
notdriv ein theove rrevv ing range, as
th is co uld damag eth een gin e.
The redbandin thetac hom eter ind icat esthe
en gin e's overrevv ing range.
The fuel suppl yis int err upt edtopro tect the
en gin ewhen thered bandis reac hed. Out
sidetem peratur edis pla y
You should pay spec ialattention toroad con-
dit ion swhen tempe ratures arearoun dfreez ing
poin t. 192
Disp
laysand oper ationOn- boar dcomp uter and displa ys

X
Press the0059 or0065 button onthe steer-
ing wheel toselect theTrip Trip
menu.
X Press 0063or0064 toselect thedisplay
with approximate range0043and curren tfuel
cons umption 0044.
Approx imaterange 0043that canbecovered
is calculated accordingto your curren tdriv-
ing style andtheamount offuel inthe tank .
If there isonly asmall amount offuel leftin
the fuel tank ,a vehicle beingrefueled 00A8
appears insteadofapproximate range0043.
Recuperation display0087shows youif
energy hasbeen recuperated fromthe
kinet icenergy inoverrun modeandsaved in
the battery. Recuperation display0087
depends onthe engine installed andis
theref orenot availabl ein all vehicles.
Digital speedomet er X
Press the0059 or0065 button onthe steer-
ing wheel toselect theTrip Trip
menu.
X Press the0063 or0064 button toselect the
digital speedometer.
A gearshift recommendation 0097may also
appear inthe display.
Observe theinform ationongearshift recom-
mendation whenshiftin gmanually
(Y page 144).
Mercedes- AMGvehicles: agearshift recom-
mendation isshown inthe status barofthe
multifunc tiondisplay andnotinthe digital
speedometer display.
Resetting values X
Press the0059 or0065 button onthe steer-
ing wheel toselect theTrip Trip
menu.
X Press the0063 or0064 button toselect the
funct ionthat youwish toreset.
X Press 0076toconf irmyour selection .
X Press 0064toselect Yes Yes
andpress 0076to
conf irm.
You canreset thevalues ofthe following func-
tions:
R Trip odometer
R "From Start"trip computer
R "From Reset" tripcomputer
R ECO display
If you reset thevalues inthe ECO display, the
values inthe "From Start"trip computer arealso
reset. Ifyou reset thevalues inthe "From
Start "trip computer ,the values inthe ECO dis-
play arealso reset. Naviga
tionsystem menu
Displaying navigation instructions In
the Navi Navi
menu, themultifunc tiondisplay
shows navigation instruction s.
Observe theadditional informationonnaviga-
tion inthe Digital Operator's Manualofthe
multimedia system.
X Switc hon the multimedia system(seethe
Digital Operator's Manual)
X Press the0059 or0065 button onthe steer-
ing wheel toselect theNavi Navi
menu.
Rout eguidance notactive 0043
Direct ionoftravel
0044 Current road
Rout eguidance active No
change ofdirection announced 0043
Dist ance todestinat ion
0044 Dist ance tothe next change ofdirection
0087 Current road
0085 "Follow theroad's course" symbol 196
Menus
andsubmenusOn-board computerand display s

Acti
vating/d eactivating Acti veBlind
Sp ot Assis t X
Pre ssthe0059 or0065 buttonon thest eer -
ing whee lto sele cttheDri veAssist Dri
veAssistmen u.
X Pre ssthe0063 or0064 buttonto sele ct
Bli ndSpotAss ist Bli
ndSpotAss ist.
X Pre ss0076 toconfirm your selection .
The curren tsele ction appear s.
X To act ivate/ dea ctivate: pressthe0076
but tonagain .
Fur ther inform ation on Active Blind Spot Assis t
(Y page 186).
Acti vating/d eactivating Acti veLan e
Keepi ngAssis t X
Pre ssthe0059 or0065 buttonon thest eer -
ing whee lto sele cttheDri veAssist Dri
veAssistmen u.
X Pre ssthe0063 or0064 buttonto sele ct
Lan eKee pingAss ist Lan
eKee pingAss ist.
X Pre ss0076 toconfirm your selection .
The curren tsele ction appear s.
X Pre ss0076 again.
X Pre ss0064 or0063 toset Off Off
,Sta ndard Sta
ndardor
Ada ptive Ada
ptive.
X Pre ssthe0076 buttonto sav eth eset ting .
When Active Lan eKee pingAs sis tis act iva-
te d, themult ifunction disp laysho wsthe
lan emar king sas bright lines intheassi s-
tan cegrap hic.
Fur ther inform ation on Active Lan eKee ping
As sis t(Y page 189). Ser
vice menu
De pen dingon theequip mentins talled inthe
veh icle, you haveth efol lowin gopt ionsin the
Ser v. Ser
v.men u:
R Callin gup disp laymes sage s(Y page 207)
R Chec king thetire pre ssur eelec tron ical ly
(Y page 302)
R Callin gup theser vicedue date
(Y page 273) Set
tings men u
Int rod uction De
pen dingon theequip mentins talled inthe
veh icle, intheSet t. Set
t.men uyou haveth efol -
lowin gopt ions:
R Chan gingth eins trumen tclus terset ting s
(Y page 201)
R Chan gingth eligh tset ting s(Y page 202)
R Chan gingth eveh icleset ting s(Y page 203)
R Chan gingth eco nven ien ceset ting s
(Y page 203)
R Rest oring thefac tory set ting s(Y page 204)
Inst rumen tclus ter Select
ingthedis tance unit
The DisplayUni tSpe ed-/Odometer: Dis
playUni tSpe ed-/Odometer:fun c-
ti on allows youtochoos ewhet hercertain dis-
plays appear inkilom eters ormile sin themul-
ti fun ction disp lay.
X Pre ssthe0059 or0065 buttonon thest eer -
ing whee lto sele cttheSet t. Set
t.men u.
X Pre ssthe0064 or0063 buttonto sele ctthe
Ins trumentClu ster Ins
trumentClu stersubm enu.
X Pre ss0076 toconfirm .
X Pre ssthe0064 or0063 buttonto sele ctthe
Dis playUni tSpe ed-/Odometer: Dis
playUni tSpe ed-/Odometer:fun c-
ti on .
The curren tset ting km km
ormil es mil
esappear s.
X Pre ssthe0076 buttonto sav eth eset ting .
The selected unitof meas urementfor dist ance
applie sto :
R thedigit alspee dometer intheTri p Tri
pmen u
R theodom eter and trip odom eter
R thetrip comput er
R thecur ren tco nsumpt ionand theran ge
R nav igat ioninstruct ionsin theNav i Nav
imen u
R cruise control
R DIST RONI C
R AS SYS TPLU S
Select ingpermanent displa y
The Permanent Display: Per
manent Display:fun ction allows you
to choos ewhet herthemult ifunction disp lay
always showstheout side tempe rature orthe
spee d.
The spee ddisp layisinv ers eto thespee dome-
te r. Menu
sand submen us
201On -boar dcomp uter anddi sp lay s Z

X
Press the0059 or0065 button toselect
Interm. Time Interm.
Time.
X Press 0076toconf irm.
The inter mediate timeappears forfive sec-
onds.
Star ting anew lap 0043
RACE TIMER
0044 Fastest laptime (best lap)
0087 Lap
X Press 0076toconf irmNew Lap New
Lap.
It is possible tostore amaximum ofsixteen
laps. The16thlap can only becompleted with
Finish Lap Finish
Lap.
Stopp ingthe RACE TIMER X
Press the0038 button onthe steerin g
wheel.
X Confirm Yes Yes
with 0076.
The RACE TIMER interrupts timing ifyou stop
the vehicle andturn theSmart Keytoposition
0047 inthe ignition lock.Ifyou turn theSmart -
Key toposition 3and then press 0076tocon-
firm Start Start,
timingiscont inued.
Resetting thecurr entlap
X Stop theRACE TIMER.
X Press the0059 or0065 button toselect
Reset Lap Reset
Lap.
X Press 0076toreset thelaptime to"0". Deleting
alllaps If
you switch offthe engine, theRACE TIMER is
reset to"0" after 30seconds .All laps are
deleted.
You cann otdelete individual storedlaps.Ifyou
have stopped 16laps, thecurren tlap does not
have tobe reset.
X Reset thecurren tlap.
X Press 0076toconf irmReset Reset.
Reset Race-Timer ? Reset
Race-Timer ?appears inthe multi-
funct iondisplay.
X Press the0064 button toselect Yes Yes
and
press the0076 button toconf irm.
All laps aredeleted.
Overall statistics 0043
RACETIME Roverall evaluation
0044 Total timedriven
0087 Average speed
0085 Dist ance covered
0083 Maximum speed
If you save atleast onelapand then stop
RACETIME R,an overall evaluation isavailabl e.
X Press the0059 or0065 button onthe steer-
ing wheel toselect theAMG AMG
menu.
X Press the0063 button repeatedly untilthe
overall evaluation appears. 206
Menus
andsubmenusOn-board computerand display s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions The
yellow 0024warninglamp andthered 0049 (USAon ly) or0024
(Can adaonly) ind icat orlamp lightup.
The electric park ingbrak eis malf unction ing .
To releas e:
X Swi tchoff theign ition and turnit bac kon .
X Releas eth eelec tric park ingbrak eman ually.
or X Releas eth eelec tric park ingbrak eauto matically(Y page 148).
If th eelec tric park ingbrak est ill can notbe release d:
X Do notdri ve on.
X Con sult aqualif iedspecialistwor kshop . The
red0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp
flas hes and theyellow 0024warninglamp lightsup.
The electric park ingbrak eis malf unction ing .
To releas e:
X Swi tchoff theign ition and turnit bac kon .
X Releas eth eelec tric park ingbrak eman ually.
To apply :
X Swi tchoff theign ition and turnit bac kon .
X Ap ply theelec tric park ingbrak eman ually.
If th ered 0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp
co ntinu estoflas h:
X Do notdri ve on.
X Se cur eth eveh icleagain strol lingaway (Ypage 317).
X Sh ift thetrans mis sion topos ition 005D.
X Turn thefron twhee lstoward sth ecur b.
X Con sult aqualif iedspecialistwor kshop . 212
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 0075
SRS Malfunction SRS
Malfunction
Ser viceReq uir ed Ser
viceReq uir ed The
restrain tsyst emismalf unction ing .The 0075 warninglamp also
ligh tsup intheins trumen tclus ter.
G WAR
NING
The airbags orEm erg ency Ten sion ingDevic es may either betrig-
ger eduninten tion ally or,intheeve ntofan acc iden t,may notbe
tr igge red.
The reisan increas edriskof injury.
X Vis itaqualif iedspecialistwor kshop immediat ely.
Fur ther inform ation about theres train tsyst em(Ypage 41). 0075
Fro ntLeftMal func‐ Fro
ntLeftMal func‐
tio nSer vice tio
nSer vice
Req uired Req
uiredorFro nt Fro
nt
Rig htMalfunction Rig
htMalfunction
Ser viceReq uired Ser
viceReq uired The
restrain tsyst emhas malf unction ed atthefron ton thelef tor
rig ht.The 0075 warninglamp alsolightsup intheins trumen tclus -
te r.
G WAR
NING
The airbags orEm erg ency Ten sion ingDevic es may either betrig-
ger eduninten tion ally or,intheeve ntofan acc iden t,may notbe
tr igge red.
The reisan increas edriskof injury.
X Vis itaqualif iedspecialistwor kshop immediat ely. 0075
Lef tSid eCur tai n Lef
tSid eCur tai n
Air BagMalfun c‐ Air
BagMalfun c‐
tio nSer vice tio
nSer vice
Req uired Req
uiredorRig ht Rig
ht
Sid eCur tainAir Sid
eCur tainAir
Bag Malfunction Bag
Malfunction
Ser viceReq uir ed Ser
viceReq uir ed The
reisamalf unction inthelef t-han dand /orrig ht-hand head bag.
The 0075 warninglamp alsolightsup intheins trumen tclus ter.
G WAR
NING
The leftor right head bagmay either betrigge reduninten tion ally or,
in theeve ntofan acc iden t,may notbe trigge red.
The reisan increas edriskof injury.
X Vis itaqualif iedspecialistwor kshop immediat ely. Disp
laymes sage s
217On -boar dcomp uter anddi sp lay s Z

Tire
s Di
spl aymes sages Po
ssible cause s/consequ encesand 0050 0050
So luti ons Ple
ase Correct Ple
ase Correct
Tir ePre ssure Tir
ePre ssure The
tirepressu reistoo low in at leas tone ofthe tires,or the tire
pre ssu rediffe renc ebe twe enthe wheelsistoo great.
X Ch eck thetire pressu res atthe next opportu nity (Ypage 302 ).
X Ifnece ssary,corr ectthe tire pressu re.
X Re sta rtthe tire pressu remoni tor(Ypage 304 ). Tir
ePre ssure Soon Tir
ePre ssure Soon The
tirepressu reinone ormor etire sha sdro pped signi ficantl y.The
wh eelpo sitio nis sho wninthe multifu nctio ndisp lay.
A wa rning tone also sou nds .
G WA
RNING
Ti re pre ssu res thatar etoo low po se the followi ng hazar ds:
R the yma ybu rst, especially as the load and vehiclesp ee dincr ease
R the yma ywe arexce ssivel yand /or unevenl y,wh ich maygre atly
imp airtire tractio n.
R the drivin gcha racteri stics, aswellas stee ringand braking ,ma y
be gre atlyimp aired
The reisaris kof an acc ident.
X Stop thevehiclewi thou tma king anysudd en stee ringor bra king
ma neu vers.Pa yatte ntionto the trafficcond itions asyoudo so.
X Secu rethe vehicleag ainst rolling away (Y page 147 ).
X Ch eck thetiresand ,if nece ssary,fol low the instructio nsfor afla t
tire (Ypage 281 ).
X Ch eck thetire pressu re(Y page 302 ).
X Ifnece ssary,corr ectthe tire pressu re. War
ningTir eMal ‐ War
ningTir eMal ‐
fun ction fun
ction The
tirepressu reinone ormor etire sha sdro pped sudd enl y.The
wh eelpo sitio nis sho wninthe multifu nctio ndisp lay.
G WA
RNING
Driv ingwith afla ttire poses aris kof the followi ng hazar ds:
R afla ttire affects theability tostee ror bra kethe vehicle
R youcou ldlose contro lof the vehicle.
R conti nueddri vin gwi th afla ttire willcau seexce ssive heat build-
up and possi blya fir e
The reisaris kof an acc ident.
X Stop thevehiclewi thou tma king anysudd en stee ringor bra king
ma neu vers.Pa yatte ntionto the trafficcond itions asyoudo so.
X Secu rethe vehicleag ainst rolling away (Y page 147 ).
X Ch eck thetiresand ,if nece ssary,fol low the instructio nsfor afla t
tire (Ypage 281 ). 23
0 Disp
laymes sage sOn -boar dcomp uter anddi sp lay s