2020 MERCEDES-BENZ SL ROADSTER air condition

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

Under
thefollowi ngcircumstances, therear
view camera willnotfunction, orwill function
in alimited manner:
R ifthe trunk lidisopen
R in heavy rain,snow orfog
R at night orinvery dark places
R ifthe camera isexposed tovery bright light
R ifthe area islit by fluorescent bulbsor LED
lighting (thedispla ymay flicker)
R ifthere isasudden changeintemperature,
e.g. when driving intoaheated garagein
winter
R ifthe camera lensisdirty orobstructed.
Observe thenotes oncleaning
(Y page 278)
R ifthe rear ofyour vehicle isdamage d.Inthis
case, havethecamera position andsetting
checked ataqual ified speciali stworkshop.
The field ofvision andother functions ofthe
rear view camera mayberestrict eddue to
additional accessories onthe rear ofthe vehi-
cle (e.g. license plateholder, bicycle rack).
On vehicles with<004B0048004C004A004B0057001000440047004D00580056005700440045004F
0048[ chassis,
leaving thestandard heightcanresult ininac-
curacies inthe guide lines,depending ontech-
nical conditions.
i The
cont rast ofthe displa ymay beaffec-
ted bythe sudden presence ofsunlight or
other lightsources, e.g.when exiting a
garage. Payparticular attentioninthis situa-
tion.
i If
usabi lityisseverely restricted,e.g. due
to pixel errors, havethedispla yrepaired or
replaced.
Activating/ deactivating therear view
camera X
To activate: makesurethattheSmartKey
is in position 0048inthe ignition lock.
X Make surethattheActivation byRgear Activation
byRgear
function isselected inthe multimedia sys-
tem; seetheDigital Operator's Manual.
X Engage reverse gear.
The multimedia systemshowsthearea
behind thevehicle withguide lines.
The image fromtherear view camera is
avail able throughout themaneuvering proc-
ess. To
deactivate: therear view camera deacti-
vates ifyou shift thetransmission toposition
005D, orafter driving forwards ashort distance.
The inner segments ofthe warning indicator
are displa yedinred ifthere isacomplete sys-
tem failure.The indicator lampinthe
PARKTRONIC buttonlightsup.
If the system failsatthe rear ofthe vehicle:
R the rear segments areshown inred when
backing up.
R the rear segments arehidden whendriving
forwards.
Displays inthe multim ediasystem The
rear view camera mayshow adistorted
view ofobstacles, showthemincorrect lyor
not atall. The rear view camera doesnotshow
objects inthe followi ngpositions:
R very close tothe rear bumper
R under therear bumper
R in close range above thehandle onthe trunk
lid
! Objects
notatground levelmayappea rto
be further awaythan theyactually are,e.g.:
R the bumper ofaparked vehicle
R the drawba rof atrailer
R the ball coupling ofatrailer towhitch
R the rear section ofan HGV
R aslanted post
Use theguide linesonlyfororientation.
Approach objectsnofurther thanthebot-
tom-most guideline. 0043
Yello wguide lineatadistance ofapprox-
imately 13ft(4.0 m)from therear area
0044 White guidelinewithout steering input–
vehicle widthincluding theexterior mirrors
(static) 182
Driving
systemsDriving andparking

Safety
systems Warning/
indicator
lamp 00510051
Signal type
Possible causes/co nsequences and0050 0050
Solutions 0027004D
0051
0027 (USAonly), 004D(Canada only):thered brake system warning lampis
lit while theengine isrunning.
A warning tonealsosounds.
G WARNING
The brake boosting effectismalfunction ingand thebraking characterist icsmay
be affected.
There isarisk ofan accident.
X Pull over andstop thevehicle safelyassoon aspossible, payingatten tionto
road andtraffic condition s.Do not cont inue driving underanycircumst ances.
X Secure thevehicle against rollingaway(Ypage 147).
X Consult aquali fiedspecialist workshop.
X Observe theadditional displaymessages inthe multifunct iondisplay . 0027004D
0051
0027 (USAonly)or004D (Canada only):thered brake system warning lamp
is lit while theengine isrunning. Awarning tonealsosounds.
G WARNING
There isnot enough brakefluidinthe brake fluidreservoir.
The braking effectmaybeimpaired.
There isarisk ofan accident.
X Pull over andstop thevehicle safelyassoon aspossible, payingatten tionto
road andtraffic condition s.Do not cont inue driving underanycircumst ances.
X Secure thevehicle against rollingaway(Ypage 147).
X Do not add brake fluid.Adding morewillnotcorrect themalfunction .
X Consult aquali fiedspecialist workshop.
X Observe theadditional displaymessages inthe multifunct iondisplay . 0027
0051
USA only: thered brake system warning lampislit while theengine isrun-
ning. Themultifunct iondisplay alsoshows adisplay message withthe0026
symbol.
The brake pads/linings havereached theirwear limit.
X Visit aquali fiedspecialist workshop. 238
Indicator
andwarning lampsOn-board computerand displays

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 0074
0051
Mercede s-AMGvehiclesonly :
The yellow SPORT handlingmode warninglamp islit whi lethe engine isrunning.
SPORT handlingmode isactiva ted.
G WARNING
When SPORT handlingmode isswi tched on,ESP ®
is unab leto stabi lizethevehi-
cle.
There isan increas edrisk ofskiddi ngand anaccide nt.
X Only switch toSPORT handlingmode inaccorda ncewith theconditions
descri bedinthe "Activating/d eactivatingESP®
" section (Ypag e68) . 00490024
0051
0049 (USAonly),0024 (Canada only):the red indica torlamp forthe electric
parki ngbrake flashes orislit and/or theyellow warni nglamp forthe electric
parki ngbrake islit.
X Observe theadditiona ldisp laymessa gesinthe multi function display. 0075
0051
The redrestrai ntsystem warning lamp islit whi lethe engine isrunning.
The restrai ntsystem ismalfu nctioning.
G WARNING
The airbag sor Emergency TensioningDevices mayeither betriggere duninten-
tional lyor, inthe event ofan accide nt,may notbetriggere d.
There isan increas edrisk ofinjury .
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Drive oncarefu lly.
X Contact aqua lified speci alist worksho pand have therestrai ntsystem
checked.
For further informati onabo utthe restrai ntsystem, see(Ypag e41). Indi
cator andwarnin glamps
241On-boardcomput erand displays Z

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 00AC
0051
The redcoola ntwar ning lamp comes onwhi lethe engine isrunning.
The coola ntleve lis too low.
If the coola ntleve lis correct, theairflowtothe engine radiator may beblocked
or the electric engineradiator fanmay bedefective .
The coola ntistoo hotand theengine isno longer being coole dsuffi ciently .
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Pul lover andstop thevehicl esafel yand switch offthe engine, paying atten-
tion toroad andtraffic conditions.
X Secure thevehicl eaga inst rolling awa y(Y pag e147).
X Leave thevehicl eand keep asafe dista ncefrom thevehicl euntil theengine
has coole ddow n.
X Che ckthe coola ntleve land add coola nt,obser vingthewarni ngnotes
(Y pag e270) .
X Ifyou have toadd coola ntfrequ ently, havetheengine coolingsystem
checked.
X Make surethattheairsup plytothe engine radiator isnot blocked ,e.g. by
snow, slush orice.
X Do not start theengine againuntil thecoola nttempera turegage isbel ow the
H marking (Ypag e193) .Otherwi se,the engine couldbe dama ged.
X Drive tothe neares tqua lified speci alist worksho p.
X Avoid heavyloa dson the engine asyou doso, e.g. drivinginmountai nouster-
rain andstop-and-go traffic. 00AC
0051
The redcoola ntwar ning lamp comes onwhi lethe engine isrunning.
The coola nttempera turegage hasexceede dthe Hmarking (Ypag e193). The
airfl owtothe engine radiator may beblocked orthe coola ntleve lmay betoo
low .
G WARNING
The engine isnot being coole dsuffi ciently andmay bedama ged.
Do not drive when yourengine isoverhe ated.Thiscancaus esome fluidswhi ch
may have leaked into theengine compartment tocatch fire.
Steam fromtheoverhe atedengine canalsocaus eserio usburns whichcan
occur justbyopeni ngthe hood.
There isarisk ofinjury .
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Pul lover andstop thevehicl esafel yand switch offthe engine, paying atten-
tion toroad andtraffic conditions.
X Secure thevehicl eaga inst rolling awa y(Y pag e147) .
X Leave thevehicl eand keep asafe dista ncefrom thevehicl euntil theengine
has coole ddow n.
X Che ckthe coola ntleve land add coola nt,obser vingthewarni ngnotes
(Y pag e270).
X Ifyou have toadd coola ntfrequ ently, havetheengine coolingsystem
checked. Indi
cator andwarnin glamps
243On-boardcomput erand displays Z

R
The indicator lampinone ormore ofthe fol-
lowing buttonscont inues tolight upred
after thesystem self-diagnosis:
- SOS button
- 0052 Roadside Assistancecallbutton
- 00D9 MBInfo callbutton
R Aft erthe system self-diagnosis, theInoper‐ Inoper‐
ative ative
orService NotActivated Service
NotActivated mes-
sage appears inthe multifunct iondisplay .
If amalfunct ionisindicated asoutlined above,
the system maynotoperate asexpect ed.In
the event ofan emergenc y,help willhave to
be summoned byother means.
Have thesystem checkedatthe nearest
Mercedes- BenzServic eCenter orcont actthe
following servicehotlines:
R USA: Mercedes- BenzCustomer Assistance
Center at1-8 00-FOR-ME RCedes
(1-80 0-367-6372 )or 1-86 6-990-9007
R Canada: Customer Serviceat
1-88 8-92 3-8367
Emergency call Import
antsafety notes G
WARNING
It can bedangerous toremain inthe vehicle,
even ifyou have pressed theSOS button in
an emergenc yif:
R you seesmoke insideoroutside ofthe
vehicle, e.g.ifthere isafire after anacci-
dent
R the vehicle ison adangerous sectionof
road
R the vehicle isnot visible orcann oteasily
be seen byother roadusers, particularly
when darkorinpoor visibility conditions
There isarisk ofan accident andinjury.
Leave thevehicle immediately inthis orsim-
ilar situations assoon asitis safe todo so.
Move toasafe location alongwithother
vehicle occupant s.In such situations, secure
the vehicle inaccordanc ewith national regu-
lations, e.g. with awarning triangle.
A license agreement mustbeinplace inorder
to activate theMercedes meconn ectservice.
Make surethatyour system isactivated andoperational.
Toregister, pressthe00D9 MB
Info callbutton .If any ofthe steps mentioned
are not carried out,thesystem maynotbe
activated.
If you have questions abouttheactivation ,
cont actone ofthe following telephone hot-
lines:
R USA: Mercedes-B enzCustomer Assistance
Center at1-80 0-FOR-MERCedes
(1-80 0-367-6372)or1-86 6-990-9007
R Canada: Customer Serviceat
1-88 8-923-8367
General notes
An emergenc ycall isdialed automatically ifan
air bag orEmergen cyTensionin gDevice istrig-
gered.
i You
cann otend anautomatically triggered
emergenc ycall yourself.
An emergenc ycall can also beinitiated man-
ually .
As soon asthe emergenc ycall has been initi-
ated, theindicator lampinthe SOS button
flashes. Themultifunct iondisplay showsthe
Connecting Call Connecting
Callmessage.
The audio output ismuted.
Once theconn ection hasbeen made, the
Call Connected Call
Connected messageappearsinthe mul-
tifunc tiondisplay .
All important informationonthe emergenc yis
transm itted,forexample:
R Current location ofthe vehicle (asdeter-
mined bythe GPS system)
R Vehicle identificat ionnumber
R Infor mation onthe severity ofthe accident
Short lyafter theemergenc ycall has been initi-
ated, avoice connection isautomatically
established betweentheCustomer Assistance
Center andthevehicle occupant s.
R Ifthe vehicle occupant sare responsive, the
Mercedes-B enzCustomer AssistanceCenter
attempt sto get more informat iononthe
emergenc y.
R Ifthere isno response fromthevehicle
occupant s,an ambulance isimmediately
sent tothe vehicle.
If no voice connection canbeestablished to
the Mercedes-B enzCustomer AssistanceCen-
ter, thesystem hasbeen unable toinitiate an
emergenc ycall. Featur
es
259Stowage andfeatu res Z

Maintaining
thetime-dependent servicesched-
ule:
X Note down theservice duedate display edin
the multifunction displaybeforedisconnec t-
ing the battery.
or X Aft erreconn ectingthebattery, subtract the
battery disconnec tionperiods fromtheser-
vice date shown onthe display . Hiding
service displays
X Press the0076 or0038 button onthe steer-
ing wheel. Showing
servicedisplays
X Switch onthe ignition.
X Press 0059or0065 onthe steering wheel
to select theServ. Serv.
menu.
X Press 0063or0064 toselect theASSYST ASSYST
PLUS PLUS
submenu andconfirm bypressing the
0076 button.
The service duedate appears inthe multi-
funct iondisplay . Informat
ionabout Service
Resetting theASSYST PLUSservice
interval display !
If
the ASS YST PLUS service interval dis-
play hasbeen inadvertent lyreset, thisset-
ting canbecorrect edataqual ified special-
ist workshop.
Have service workcarried outasdescribed
in the Maintenanc eBooklet. Thismay other-
wise leadtoincreased wearanddamage to
the major assemblies orthe vehicle.
A qual ified specialist workshop, e.g.anauthor-
ized Mercedes-Ben zCenter, willreset the
ASS YST PLUS service interval displayafterthe
service workhasbeen carried out.Youcan
also obtain further information onmainte-
nance work,forexample. Special
servicerequirements The
specified maintenanc einterval takesonly
the normal operation ofthe vehicle into
account. Serviceworkwillneed tobe per-
formed moreoften ifthe vehicle isoperated
under arduou scondition sor increased loads.
The ASSYST PLUS service interval displayis
only anaid. Thedriver ofthe vehicle isrespon-
sible forwhether serviceworkwillneed tobe
performed morefrequently thanrequired asa
result ofthe actual operating conditions
and/or loads.
Examples ofarduou soperating conditions:
R regular citydriving withfrequent intermedi-
ate stops
R the vehicle isprimarily usedtotravel short
distances
R frequent useinmountainous terrainoron
poor roadsurfaces
R the engine isoften leftidling forlong peri-
ods
R particularly dustycondition s,or ifair-recir-
culation modeisfrequently used
In these orsimilar operating conditions,have
the interior filter,airfilter, engine oiland oilfil-
ter, forexample, changedmorefrequently.
Under arduou soperating conditions,the tires
must becheck edmore often. Further informa-
tion canbeobtained ataqual ified specialist
workshop.
Driving abroad An
exten siveMercedes-Ben zService network
is also availa bleinother countr ies.You can
obtain further information fromanyauthorized
Mercedes-Ben zService Center. Care
Notes
oncare H
Environmental
note
Dispose ofempty packaging andcleaning
cloths inan environm entallyresponsible
manner.
! When
cleaning yourcar,donot use:
R dry, coarse orhard cloths
R abrasive cleaningagents Care
273Maintenance andcare Z

X
Use tarremover toremove tarstains.
X Use silicone remover toremove wax.
If water nolonger forms"beads"onthe paint
surface, usethepaint careproducts recom-
mended andapproved byMercedes-Benz .This
is the case approximately everythreetofive
months, depending onthe climate conditions
and thecare product used.
If dirt has penetrated thepaint surface orif
the paint hasbecome dull,the paint cleaner
recommended andapproved byMercedes-
Benz should beused.
Do not use these careproducts inthe sun or
on the hood while thehood ishot.
X Use asuitabl etouch-up stick,e.g.MB
Touch-Up Stick,to repair slightdamage to
the paintwork quicklyandprovisionall y.
Matt efinish care !
Never
polish thevehicle orthe light alloy
wheels. Polishingcauses thefinish toshine.
! The
followi ngcan give thepaint aglossy
appea rance andthus reduce thematt
effect:
R Rubb inghard withunsuitabl eagents
R Washing thevehicle indirect sunlight
! Never
usepaint cleaner, buffingorpolish-
ing products, orgloss preserver, e.g.wax,
for the purpose ofpaintwork care.These
products areonly suitabl efor high-gloss sur-
faces. Theiruseonvehicles withmatte
paintwork leadstoconsiderable surface
damage or,more specificall y,to shiny, spot-
ted areas.
Alway shave paintwork repairscarried outat
a qual ified speciali stworkshop.
! Only
useautomatic carwashes whichcor-
respond tothe latest technological stand-
ards. Never usewash programs whichfinish
by treating thevehicle withhotwax.
Observe thesenotes ifyour vehicle hasaclear
matte finish. Thiswillhelp youtoavoid dam-
age tothe paintwork duetoincorrect treat-
ment.
These notesalsoapply tolight alloy wheels
with aclear matte finish.
i Use
only insect remover andcarshampoo
from therange ofrecommended and
approved Mercedes-Benz careproducts. Cle
aning thedecorative film !
The
followi ngmay have aneffect onthe
service lifeand color ofdecorative film:
R sunlight
R temperature, e.g.hot-air fan
R weather conditions
R stone impacts anddirt
R chemical cleaningagents
R greasy substances
! Do
not use anytypes ofpolish onmatt
decorative film.Polishi ngsurfaces covered
with filmgives itashiny finish.
! Do
not treat mattorstructured decorative
film with wax. Thismay lead tomarks that
cannot beremoved.
Observe thenotes inthe section onthe care
and treatment ofmatte paintwork
(Y page 276); these notes alsoapply tomatte
decorative film.
To clean, useplenty ofwater andamild clean-
ing agent without additional orabrasi veprod-
ucts, e.g.acar shampoo approved by
Mercedes-Benz .
X Dry vehicles coveredwithfilmusing asoft,
absorbent clothafterevery wash.
Water marks couldotherwise form.
Scratc hes,corrosive deposits,areasaffected
by corrosion anddamage causedbyinade-
quate carecannot alwaysbe completely
repaired. Insuch cases, visitaqual ified spe-
cialist workshop.
X Remove dirtimmediately ,where possible ,
while avoidi ngrubbing toohard.
The decorative filmmay beirreparab lydam-
aged.
X Soak insect remains withinsect remover
and rinse offthe treated areasafterwards.
X Soak birddroppings withwater andrinse off
the treated areasafterwards.
The cleaning product, PaintCleaner, which has
been approved andrecommended by
Mercedes-Benz ,should beused when dirthas
penetrated thedecorative filmsurface orthe
decorative filmhasbecome dull.
The manufacturer canprovide youwith infor-
mation onspecial careandcleaning products.
Laminated surfacesmayexhibit optical differ-
ences tosurfaces whichwerenotprotected by 276
CareMaintenance
andcare