2020 MERCEDES-BENZ SL ROADSTER ECU

R
Use theresidua lheat function ifyou want to
heat orventilate thevehicle interior when
the ignition isswitched off.The residua l
heat function canonly beactivated ordeac-
tivated withtheignition switched off.
R Vehicles withCOMAND: ifyou change the
settings ofthe climate controlsystem, the
climate statusdisplayappea rsfor three sec-
onds atthe bottom ofthe screen inthe
COMAND display.You willsee thecurrent
settings ofthe various climate controlfunc-
tions.
ECO start /stop function During
automatic engineswitch-off, thecli-
mate controlsystem onlyoperates ata
reduced capacity. Ifyou require fullclimate
cont rolcapacity, theECO start/st opfunction
can bedeactivated bypressing theECO but-
ton (Ypage 130). Operating
theclimate controlsys-
tems Activating/
deactivating climatecon-
trol
General notes When
theclimate controlisswitched off,the
air suppl yand aircirculation arealso switched
off. The windows couldfogup.Therefore,
switch offclimate controlonly briefly
i Act
ivate climate controlprimarily usingthe
0058 button (Ypage 119). Activating/
deactivating X
Turn theSmartKey toposition 0048inthe igni-
tion lock (Ypage 126).
X To activate: pressthe0058 button.
The indicator lampinthe 0058 button lights
up. Airflow andairdistribution aresetto
automatic mode.
or
X Press the0078 button.
The indicator lampinthe 0078 button goes
out. Thepreviousl yselected settingsare
restored.
X To deactivate: pressthe0078 button.
The indicator lampinthe 0078 button lights
up. Switchin
gcoo ling with airdehumidi-
fication on/off
General notes If
you deactivate the"Cool ingwith air-dehu-
midification" function,theairinside thevehicle
will notbecooled. Theairinside thevehicle
will also notbedehumid ified.Thewindows can
fog upmore quickly. Therefore, deactivate the
cooling withair-dehumi dificationfunctiononly
briefly .
The "Cool ingwith airdehumid ification" func-
tion isonly available when theengine isrun-
ning. Theairinside thevehicle iscooled and
dehumid ifiedaccording tothe temperature
selected.
Condensation maydripfrom theunderside of
the vehicle whenitis in cooling mode.Thisis
normal andnotasign thatthere isamalfunc-
tion.
Activating/ deactivating X
To activate: pressthe005A button.
The indicator lampinthe 005A button lights
up.
X To deactivate: pressthe005A button.
The indicator lampinthe 005A or0056 but-
ton goes out.The"Cool ingwith airdehumid -
ification" functionhasadelay edswitch-off
feature.
The indicator lampinthe 005A button goes
out. The"Cool ingwith airdehumid ification"
function hasadelay edswitch-off feature. 118
Operat
ingthe climat econ trol systemsCli mat eco ntrol

Note
son bre aking-in ane wve hic le Impo
rtant safety notes
Th ese nso rsy ste mof some driving and driving
sa fety syste ms adjus tsautoma tically wh ile a
cer taindista nce isbe ing driven after the vehi-
cle hasbe en deliver edorafter repairs. Full
sy ste meff ecti vene ssisnot reache dunti lthe
end ofthistea ch-i npro ced ure.
New andreplaced brakepads and discs only
rea chthe irop tim um braking effect after sev-
era lhu ndr edkilome ters ofdri ving. Compe n-
sa te for thisby applying gre aterfor ce tothe
bra kepedal. The
first 1000 miles(150 0km)
Th emor eyo ulook after the enginewhen itis
new ,the mor esa tis fied youwi llbe with its
pe rfo rma nce inthe futur e.
R Yo usho uld the refore drive atvarying vehicle
and enginespee ds for the first 1,000 miles
(1, 500 km).
R Avoi dhe avylo ad s,e.g .dri ving atfullthro t-
tle ,du ring thispe riod .
R Ch ang ege ar ingo od tim e,be for ethe tach-
ome ternee dle is 00C3 ofthe wayto the red
ar ea ofthe tachomete r.
R Do not manua lly shi ftto alowe rge ar to
bra kethe vehicle.
R Try toavoid de pre ssing the accelera tor
pe dalbe yond the point ofres istanc e(ki ck-
do wn) .
Add itiona lbre aking-i nnote sfor Merce des-
AMG vehicles :
R Do not drive faste rtha n85 mph (140km/h )
for the first 1,000 miles(1, 500 km).
R Onl yal lo w the enginetorea chama xim um
eng inespee dof 4,5 00 rpm briefly.
R Ide ally,for the first 1000 miles(15 00km),
dri ve inpro gramC.
R Ch ang ege ar ingo od tim e.
After 1000 miles(15 00km) ,yo ucan increase
the enginespee dgra dually and accelera tethe
veh icleto fullsp ee d.
Yo usho uld also observe thesenote son bre ak-
ing inifthe engineorparts ofthe drive train
on your veh icleha ve been rep laced .
Alw aysob serve the maxim um permi ssible
sp ee d. Se
lf-lo ckingrea raxl edif feren tial
(M erc ede s-AMG vehic les)
Yo ur veh icleis eq uipp ed with ase lf-lo cking dif-
fer enti alon the rearaxl e.
Ch ang ethe oilto impro vepro tecti onofthe
rea raxl ediffe rent ial:
R after abre aking-i npe riod of2000 miles
(U SA)
R after abre aking-i npe riod of3000 km(Can-
ad a)
R eve ry30, 000 milesor 3ye ars( USA)
R every 60,000 kmor4years (Canad a)
These oilchanges prolongtheservice lifeof
the differential. Havetheoilchange carried
out ataqual ified speciali stworkshop. Driving
Importa
ntsafety notes G
WARNING
Objects inthe driver's footwell mayrestrict
the clearance aroundthepedal sor block a
depressed pedal.This jeopardizes theoper-
ating androad safety ofthe vehicle. Thereis
a risk ofan accident.
Stow allobjects securely inthe vehicle so
that they donot getinto thedriver's foot-
well .When usingfloormats orcarpets, make
sure thatthey areproperly securedsothat
they donot slip orobstruct thepedal s.Do
not place several floormats orcarpets on
top ofone another. G
WARNING
Unsuitable footwearcanhinder correct
usage ofthe pedal s,e.g.:
R shoes withthick soles
R shoes withhigh heels
R slippe rs
There isarisk ofan accident.
Wear suitabl efootwear toensure correct
usage ofthe pedal s. Driving
125Drivingandparking Z

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 149).
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

Selec
tingthedrive progra m X
Turn DYNAMI CSEL ECT controller 0043as
many times asnecessary untilthedesired
drive program isselected.
The symbol ofthe selected driveprogram is
shown inthe multifunct iondisplay .
In addition, thecurrent driveprogram set-
tings aredisplay edbriefly inthe multimedia
system display.
The drive program indicator onDYNAMIC
SEL ECT controller 0043lights upinred.
Additional information fordrive programs
(Y page 139). Additional
settings 0043
ECO start/ stopfunct ion(Ypage 129)
0044 ESP ®
(Y page 65)
0087 Suspension (Ypage 173)
0085 Permanent activationofmanual gearshift-
ing (Ypage 142)
When youpress buttons 0043-0085 the corre-
sponding settingis selected. TheDYNAMIC
SEL ECT controller settingis overwritten .These
settingswill also bemaintained ifyou
switch todrive program RACE,S+,Sor Cwith
the DYNAMI CSEL ECT controller.
If you switch todrive program I,all stored
characterist icswill beaccepted. Thisisalso
the case ifyou have previously pressedbut-
tons 0043-0085. Automat
ictransmission Import
antsafety notes G
WARNING
If the engine speedisabove theidling speed
and youengage transmissionposition 003A
or 0046, thevehicle couldpullaway sud-
denly. Thereisarisk ofan accident.
When engaging transmissionposition 003A
or 0046, alwaysfirmly depress thebrake
pedal anddonot simultaneously accelerate. G
WARNING
The automatic transmissionswitches 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 awaybyapply ingthe
parking brake. Selec
torlever
Overview oftransmission positions All
vehicles (exceptMercedes-AMG vehi-
cles)
! If
the engine speedistoo high orthe vehi-
cle isin motion, donot shift theautomatic
transm issiondirectly from005Bto005E, from
005E to005B ordirectly to005D.
Do not open thedriver's doorwhile thevehi-
cle isin motion. Atlow speeds intransm is-
sion position 005Bor005E, otherwise parkposi-
tion 005Disengaged automatically.
The transm issioncouldbedamaged. Automat
ictransmission
135Drivingandparking Z

005D
Park position
005E Reverse gear
005C Neutral
005B Drive
The selector leveralway sreturn sto its original
position. Thecurren ttrans mission position 005D,
005E, 005Cor005B isshown inthe trans mission
position displayinthe multifunc tiondisplay.
Mercedes-AMG vehicles
! If
the engine speedistoo high orthe vehi-
cle isin motion ,do not shift theautomatic
tran smission directlyfrom005Bto005E, from
005E to005B ordirectly to005D.
Do not open thedriver's doorwhile thevehi-
cle isin motion .At low speeds intrans mis-
sion position 005Bor005E, otherwise parkposi-
tion 005Disengaged automatically.
The transmission couldbedamaged. 005D
Park position
005E Reverse gear
005C Neutral
005B Drive
The selector leveralway sreturn sto its original
position. Thecurren ttrans mission position 005D,
005E, 005Cor005B isshown inthe trans mission
position displayinthe multifunc tiondisplay. Tr
ansmission positionanddrive pro-
gram display All
vehicles (exceptMercedes-AMG vehi-
cles) 0043
Transmission position
0044 Gear
0087 Drive program
The curren ttran smission positionanddrive
program appearinthe multifunc tiondisplay.
Mercedes-AMG vehicles 0043
Transmission position
0044 Drive program
The curren ttran smission positionanddrive
program appearinthe multifunc tiondisplay.
In addition todrive program 0044being shown in
the multifunc tiondisplay, thecurren tlyselec-
ted drive program isindicated inred onthe
DYNA MICSELECT controller (Ypage 132). 136
Automa
tictransmissionDriving andparking

With
theSmartKey: ifyou then open thedriv-
er's door orthe front-passenge rdoor or
remove theSmartKey fromtheignitio n,the
au tomatic transmissi onshifts to005D automati-
call y.
With KEYLESS-GO :if you then open thedriv-
er's orfront-passenge rdoor, theautomatic
transmissi onshifts to005D automatical ly.
If you want theautomatic transmissi onto
remai nin neutral 005C,e.g. when havingthe
vehicl eclea ned inan automatic carwas hwith
a towing system:
X Vehic leswith KEYLESS-GO :remove the
Start/Stop buttonfromtheignitio nlock.
X Insert theSmartKey intotheignitio nlock.
X All vehi cles:swi tch the ignitio non.
X Depress thebrake pedaland keep it
depre ssed.
X Shift toneutral 005C.
X Rel ease thebrake pedal.
X Rel ease theelectric parkingbrake.
X Switch offthe ignitio nand leavethe Smart-
Key inthe ignitio nlock.
Eng agin gdrive position D X
When thevehicl eis stationa ry,depre ssthe
brake pedal.
X Push thesele ctor leverback pastthefirst
point ofresis tance. Transmissio
npositi ons 0045 Park
positi on
This prevents thevehicl efrom roll-
ing awa ywhen stoppe d.
Only shiftthetransmissi oninto
posi tion 0045 (Ypag e135) when
the vehicl eis stationa ry.The park-
ing lock shou ldnot beused asa
brake whenparking.Alwa ysapp ly
the electronic parkingbrake inadd i-
tion tothe parki nglock inorder to
secure thevehicl e.
If the SmartKey isremoved fromthe
ignitio nlock, thetransmissi onis
locked.
The automatic transmissi onshifts
to 0045 automatical ly:
R when theSmartKey isremoved
from theignitio nlock
R when theengine isswi tched off
with thetransmissi oninposi tion
0046 or003A andone ofthe
doors isopened
In the event ofamalfu nction ofthe
vehicl e'selectronics, thetransmis-
sion may lockinposi tion 0045.
Have thevehicl eelectronics
checked immediatelyat aqua lified
speci alist worksho p. 0046 Reverse
gear
Only shiftthetransmissi oninto
posi tion 0046 when thevehicl eis
stationa ry. 138
Automatic
transmissio nDrivingand parking

R
optimal fuelconsumpt ionresulting fromthe
automatic transmissionshifting upsooner.
The vehicle isdriven inthe low engine speed
range andthewheels areless likely tospin.
R gliding modeisavaila ble.
R the ECO start/stop functionisavaila ble.
R ESP ®
provides theoptimum compromise
between tractionand stability. Furtherinfor-
mation aboutESP®
(Y page 66).
Drive programI(Individual)
In drive program Ithe following properties of
the drive program canbeselected:
R the drive (engine management )
R the transm issionmanagement
R ESP ®
R the suspension
Infor mation aboutconfiguring driveprogram I
with themultimedia systemcanbefound in
the Digital Operator's Manual.
i To
permanent lyselect thegears indrive
program Iusing thesteering wheelpaddle
shifters, selecttheM(manual) settingfor
the transm ission. Manua
lgearshift ing
General notes You
canchange gearyourself usingthesteer-
ing wheel paddle shifters. Thetransm ission
must beinposition 005Btodo this.
Depending onwhich steering wheelpaddle
shifter ispulled, theautomatic transmission
immediately shiftsintothenext gear down or
up, ifpermitt ed.
To use manual shifting, youhave twooptions:
R temporary setting
R permanent setting
If you activate manualgearshifting, themulti-
funct iondisplay willshow thecurrent gear
instead oftransm issionposition 005B.
If manual gearshifting isdeactivated, thegears
will beselected automatically. Temp
orarysetting X
To activat e:shift theselector leverto005B.
X Pull steering wheelpaddle shifter0043or0044.
The temporary settingisactive foracert ain
amount oftime. Under certaincondit ions,the
minimum amountoftime isexten ded,e.g.in
the case oflateral acceleration, duringoverrun
mode orwhen driving onsteep terrain.
X To deactivat e:pull steering wheelpaddle
shifter 0044and hold itin place.
or
X Use thelever toswitch thetransm ission
position.
or X All
vehicles (exceptMercedes-AMG vehi-
cles): usetheDYNAMI CSEL ECT button to
change thedrive program.
X Mercedes-AMG vehicles:usethe
DYNAMI CSEL ECT controller tochange the
drive program.
Perma nentsetting All
vehicles (exceptMercedes-AMG vehi-
cles) 142
Automa
tictransmissionDriving andparking

Never
leavechildren unsupervisedinthe
vehicle.
! Alway
ssecure thevehicle correctly against
rolli ngawa y.Otherwise, thevehicle orits
drivetrain couldbedama ged.
To ensure thatthevehicle issecured against
rolli ngawa yunintentionally :
R the electric parking brakemustbeappl ied.
R the transmission mustbeinposition 005D.
R the SmartKey mustberemoved fromthe
ignition lock.
R the front wheel smust beturned towards the
curb onsteep uphillor downhil lgradi ents. Switc
hingoffthe engi ne G
WARNING
The automa tictransmission switchestoneu-
tral position Nwhen youswitch offthe
engine. Thevehicle mayrollawa y.There isa
risk ofan accident.
After switching offthe engine, always switch
to parking position P.Prevent theparked
vehicle fromrollingawa yby appl ying the
parking brake.
X Apply theelectric parking brake.
X Shift thetransmission toposition 005D
(Y page 137).
X With theSmart Key:turn theSmartKey to
position 0092inthe ignition lockandremove
it.
The immobil izerisactivated.
X With KEYLESS -GO:press theKEYLESS -GO
Start/S topbutton (Ypage 126).
The engine stopsandallthe indicator lamps
in the instrument clustergoout.
If the driver's doorisclosed, thisisthe
same asSmartKey position0047.Ifthe driv-
er's door isopen, thisisthe same asSmart-
Key position 0092(Ypage 126).
The engine canbeswitched offwhil ethe vehi-
cle isin motion bypressing andholdi ngthe
Start/S topbutton forabou tthree seconds.
This function operates independently ofthe
ECO start/stop automaticengine switch-off
function. Ele
ctric parking brake
General notes G
WARNING
If children areleft unsupe rvisedinthe vehi-
cle, they could:
R open doors, thereby endangering other
persons orroad users
R get out and bestruck byoncoming traffic
R operate thevehicle's equipment
Additional ly,children couldsetthe vehicle in
motion if,for example ,they:
R relea sethe parking brake
R shift theautoma tictransmission outof
park position 005Dorshift themanual
transmission toneutral
R start theengine
There isarisk ofan accident andinjury.
When leavingthe vehicle, always take the
SmartKey withyouand lock thevehicle. This
also appliesforthe digitalvehicle keyifthe
"Digital Vehicle Key"function isactivated via
Mercedes meconnect .
Alway skeep theSmartKey outofreach of
children. Thisalso appliesforthe Digital
Vehicle Keyifthe "Digital Vehicle Key"func-
tion isactivated viaMercedes meconnect .
The function ofthe electric parking brakeis
dependent onthe on-board voltage.Ifthe on-
board voltage islow orthere isamalfu nction
in the system, itmay notbepossib leto appl y
the relea sedparking brake.
X Ifthis isthe case, onlypark thevehicle on
level ground andsecure itto prevent itroll-
ing awa y.
X Shift theautoma tictransmission toposition
005D.
It may notbepossib leto relea sean appl ied
parking brakeifthe on-board voltageislow or
there isamalfu nction inthe system. Contact a
qua lifiedspecia listworkshop.
The electric parking brakeperforms afunction
test atregul arintervals whilethe engine is
switched off.The sounds thatcanbeheard
whil ethis isoccurring arenormal. 148
ParkingDrivi
ngand parking