steering MERCEDES-BENZ SL CLASS 2020 User Guide

Alw
ayssec ureani ma lspro perly when driv-
ing ,for instance with asu ita ble pe tcar rier. Dri
ving safe tysys tems Ove
rviewof driv ingsafe tysys tems
In thi ssec tion,youwi llfind informa tionab ou t
the followi ng driving safety system s:
R ABS (Anti -lock Bra king Syste m)
(Y page 60)
R BAS (Bra keAssist Sy stem )(Y page 61)
R Bra keAssi stwith cros s-tra fficfu nctio n
(Y page 61)
R Active BrakeAssi st(Y page 63)
R Ada ptive bra kelights (Ypage 65)
R ESP ®
(El ectro nicStability Pro gram)
(Y page 65)
R EBD (El ectro nicBrake forceDi stri butio n)
(Y page 69)
R ADAPTI VEBRAK E(Y page 70)
R Active BrakeAssi stwith cros s-tra fficfu nc-
tio n(Y page 70)
R STEER CONTR OL(Ypage 72) Impo
rtant safetynotes
If yo ufai lto adap tyo ur driving styleor ifyo u
ar eina ttenti ve,the driving safety system scan
nei ther reduce theriskof an acci dent nor
ove rride the laws ofphy sics. Driv ingsafety
sy stem sar emer elyai ds designe dto assist
dri ving .
Yo uar eres ponsi ble for mainta ining the dis-
tance tothe vehiclein front, forveh iclespe ed,
for braking ingoo dtime ,and forstaying in
la ne. Alwaysad aptyo ur driving styleto suit
the prevailing roadand weath ercond itions and
ma inta inasa fe dista nce from thevehiclein
front. Drivecar efully.
The driving safety system sde scri bedonl y
wo rkas effe ctive lyas possi ble wh en ther eis
ad eq uate conta ctbetwe enthe tiresand the
roa dsu rfa ce. Paypa rticu laratte ntionto the
info rma tionreg arding tire s,reco mme nded
mini mumtire trea dde pths etc.inthe "Whee ls
and tires"sec tion(Y page 296 ).
In wintry driving cond itions, alwa ysusewi nter
tire s(M +S tire s)and ifnece ssary,snow cha
ins.Onl yin thi swa ywi llthe driving safety
sy stem sde scri bedin thi ssec tionwo rkas
effe ctive lyas possi ble. ABS
(Anti -lock Braki ngSys tem)
Ge neral info rmatio n ABS
regulate sbra kepre ssu reinsuch awa y
tha tthe wheelsdo not lock when youbra ke.
Thi sal lo ws youto conti nuesteering thevehi-
cle when bra king .
The 0025 ABSwarning lamp inthe instrum ent
clu ster lights upwhen the igniti onissw itch ed
on. Itgoe sou twh en the engineisrunning .
ABS works from aspe edofabou t5 mph
(8 km/h ),reg ardless ofroa d-su rface cond i-
tio ns. ABS works onslip pe ry surfa ces ,eve n
wh en youonl ybra kegently .
Impo rtant safetynotes i
Obs
ervethe "Impo rtant safety notes "sec -
tio n(Y page 60). G
WA
RNING
If ABS isma lfunctio ning,the wheelscou ld
lo ck when bra king .The stee rability and
bra king characteri stics wo uld be sev erely
aff ecte d.The reisan incr eased dange rof
ski dding and accidents.
Driv eon car efully. Hav eABS checked imme-
di ate lyat aqu alifi ed spe cialist wo rksh op.
Whe nABS isma lfunctio ning,othe rsy stem s,
incl uding driving safety system s,willal so
be come inoperative .Obs ervethe informa tion
on the ABS warning lamp (Ypage 239 )and
di spl aymes sages which maybe sho wninthe
ins trum entcluster (Ypage 209 ).
Brake s X
IfABS interv enes:conti nuetodepre ssthe
bra kepedalvig oro uslyunti lthe braking sit-
ua tio nis ove r.
X To make aful lbrake application:de pre ss
the brakepedalwi th fullforc e.
If ABS intervenes when bra king ,yo uwi llfee la
pu lsing inthe brakepedal. 60
Dri
ving safe tysys temsSafe ty

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

The
seats canstillbeadjusted whenthereis
no Smart Keyinthe ignition lock. G
WARNIN
G
When youadjust aseat, youorother vehicle
occupant scould become trapped, e.g.on
the seat guide rail.There isarisk ofinjury.
When adjusting aseat, make surethatno
one hasany body parts inthe sweep ofthe
seat. G
WARNIN
G
If the driver's seatisnot engaged, itcould
move forwards asfar asthe next catchdur-
ing movemen tsuch asbraking orabrupt
changes ofdirection .As aresult, youwould
be pushed againstyourseatbeltbythe
unsecured driver'sseat.
This could cause youtolose controlofthe
vehicle. Theseat beltcann otprotec tas
inten dedandcould result inadditional
injury.
There isarisk ofan accident andinjury.
Before everyjourney, makesurethatthe
driver's seatisfully engaged.
Observe thesafety noteson "Air bags"
(Y page 45)and "Children inthe vehicle"
(Y page 57). G
WARNIN
G
If you adjust theseat height carelessly, you
or other vehicle occupant scould betrapped
and thereby injured.Children inparticular
could accident allypress theelectric alseat
adjustmen tbutton sand become trapped.
There isarisk ofinjury.
While moving theseats, makesurethatyour
hands orother bodyparts donot getunder
the lever assembly ofthe seat adjustmen t
system. G
WARNIN
G
If the head restraints arenot installed ornot
adjusted correctly,they cannotprovide pro-
tect ionasinten ded.There isan increased
risk ofinjury inthe head andneck area, e.g.
in the event ofan accident orwhen braking. Always
drivewiththehead restraints instal-
led. Before driving off,make sureforevery
vehicle occupant thatthecent erofthe head
restr aintsupports theback ofthe head at
about eyelevel. G
WARNIN
G
You could losecontrolofyour vehicle ifyou
do the following whiledriving:
R adjust thedriver's seat,head restraint,
steerin gwheel ormirrors
R fasten theseat belt
There isarisk ofan accident .
Adjust thedriver's seat,head restraint,
steerin gwheel andmirror andfasten your
seat beltbefore startingthe engine.
! To
prevent damage tothe seats andthe
seat heating, observethefollowing notes:
R Do not spill liquids ontothe seats. Drythe
seats assoon aspossible ifliquid does
get spilled onthe seats.
R Ifthe seat covers aredamp orwet, donot
switch onthe seat heating. Also,donot
use theseat heating todry the seats.
R Clean theseat covers asrecomm ended;
see the"Inter iorcare" section .
R Do not trans portheavy loadsonthe
seats. Donot place pointed objectson
the seat cushions suchaskniv es,nails or
tools. Where possible, usetheseats only
for carrying passengers.
R When operating theseat heating, donot
cover theseats withinsulating materials,
e.g. blankets ,coats, bags,protec tivecov-
ers, child seats orbooster seats.
R When theseat heating isswitched on,the
seat surface canbedamaged asaresult
of object sbeing placed onthe seats, for
example, seatcushions, childseats and
protec tivecovers notapproved by
Mercedes- Benz.
! Make
surethatthere arenoobject sin the
footwell underorbehind theseats when
moving theseats back. There isarisk that
the seats and/or theobject scould bedam-
aged.
i The
head restraints cannotbe removed. 98
SeatsSeats,
steering wheelandmirrors

seat
beltguide .This makes iteasier tomove
the seats forward.
Before youdrive off,theseat beltmust be
inserted intotheseat beltguide .
Observe thesafety guidelinesforseat belts
(Y page 42).
X To remove: openupmagnetic head0044and
fold thetabupinthe direction ofthe arrow.
X Take theseat beltoutofseat beltguide 0043.
X To insert: foldthetabupinthe direction of
the arrow.
X Insert theseat beltback intotheseat belt
guide andfold thetabback down. Adjusting
thehead restra ints G
WARNING
You could losecontrolofyour vehicle ifyou
do the followi ngwhile driving:
R adjust thedriver's seat,head restraint,
steering wheelormirrors
R fasten theseat belt
There isarisk ofan accident.
Adjust thedriver's seat,head restraint,
steering wheelandmirror andfasten your
seat beltbefore starting theengine.
X To adju stthe head restra intheight: slide
the switch forthe head restraint adjust-
ment 0043upordown inthe direction ofthe
arrow. Moving
theseats forward/back G
WARNING
When youadjust aseat, youorother vehicle
occupants couldbecome trapped, e.g.on
the seat guide rail.There isarisk ofinjury.
When adjusting aseat, make surethatno
one hasany body parts inthe sweep ofthe
seat.
! Make
surethatthere arenocont ainers in
the cup holder andnoobjects inthe foot-
well orbehind theseats when adjusting the
seats. Otherwise, youcould damage the
seats andtheobjects. You
canmove theseat forwards inorder to
gain better access tothe rear compartment ,
e.g. toreach thestowage compartment inthe
rear passenger compartment .
X Remove theseat beltfrom theseat belt
guide (Ypage 99).
X To move theseat forwards: press0064on
switch 0043.
The seat moves automaticall yto the fore-
most position.
X To move theseat backwards: press0063
on switch 0043.
The seat moves backtothe previous posi-
tion.
X To stop seatmovement: press0064or
0063 inthe opposite direction. Adjusting
themulticontour seat
You canadjust themulticontour seatusing
COMAND (seeDigital Operator's Manual). Adjusting
theactive multicontour
seat
The active multicontour seatcanbeadjusted
using COMAND (seetheDigital Operator's
Manual ). Adjusting
the4-way lumbar support
You canadjust the4-way lumbarsupport
using COMAND (seetheDigital Operator's
Manual ). 100
SeatsSeats,
steering wheeland mirrors

Switching
theseat heating on/off
Switching on/off G
WARNING
Repeatedly switchingonthe seat heating
can cause theseat cushion andbackrest
pads tobecome veryhot.Thehealth ofper-
sons withlimited temperature sensitivityor
a limited abilityto react tohigh tempera-
tures maybeaffected orthey mayeven suf-
fer burn-like injuries.Thereisarisk ofinjury.
Therefore, donot switch theseat heating on
repeatedly.
! When
theseat heating isswitched on,the
seat surface canbedamaged asaresult of
object sbeing placed onthe seats, forexam-
ple, seat cushions, childseats andprotec-
tive covers notapproved byMercedes-B enz.
Ensure thatthere arenoobject son the seat
surface whentheseat heating isswitched
on. Driver's
andfront -passenger seat The
three redindicator lampsinthe button
indicate theheating levelyouhave selected.
The system automatically switchesdownfrom
level 3to level 2after approximately eight
minutes.
The system automatically switchesdownfrom
level 2to level 1after approximately ten
minutes.
The system automatically switchesoffapprox-
imately 20minutes afteritis set tolevel 1.
X Make surethattheSmartK eyisin position
0047 or0048 inthe ignition lock.
X To switch on:press button 0043repeatedly
until thedesired heating levelisset.
X To switch off:press button 0043repeatedly
until allthe indicator lampsgoout.
i If
the battery voltage istoo low, theseat
heating mayswitch off.
Problems withtheseat heating Problem
Possible
causes/co nsequences and0050 0050
Solutions The
seat heating has
switched offprema-
turely orcannot be
switched on.The vehi-
cle's electrical system
voltage istoo low
because toomany elec-
trical consumers are
switched on. Switch
offelectrical consumers thatyoudonot need, suchasthe
rear window defroster orinterior lighting.
Once thebattery issufficiently charged,switchonthe seat heating
again. Seats
101Seats,steering wheeland mirrors Z

Switching
theseat ventilation on/off
Switching on/off The
three blueindicator lampsinthe buttons
indicate theblower settingyou have selected.
X Ensure thattheSmartK eyisin position 0048
in the ignition lock.
X To switch on:press button 0043repeatedly
until thedesired blowersettingis set.
X To switch off:press button 0043repeatedly
until allthe indicator lampsgoout.
i If
the battery voltage istoo low, theseat
vent ilation mayswitch off.
i If
you open theroof using theSmartK ey
(Y page 92),thedriver's seatventilation is
automatically switchedonand theside win-
dows open.
Problems withtheseat ventilation The
seat ventilation hasswitched offprema-
turely orcannot beswitched on.The vehicle's
electrical systemvoltage istoo low because
too many electrical consumers areswitched
on.
X Switch offelectrical consumers thatyoudo
not need, suchasthe rear window defroster
or interior lighting.
X Once thebattery issufficiently charged,
switch onthe seat heating again. AIRSCA
RF
Setting headlevelheating (AIRSCARF) G
WARNING
When AIRSCARF isswitched on,very hotair
can flow from thevent sin the head
restraint s.This could result inburns inthe
immediate vicinityofthe airvent s.There isa
risk ofinjury.
Reduce theheater output beforeitbecomes
too hot. The
AIRSCARF functionwarms thehead and
neck areaofvehicle occupants withwarm air.
The warm airflows outofthe holes inthe head
restraint s.
The three redindicator lampsinthe button
indicate theheating levelyouhave selected.
X Ensure thattheSmartK eyisin position 0048
in the ignition lock.
X To switch on:press button 0043.
Three redindicator lampsinthe button light
up. The blower startsupafter apreheating
phase ofseven seconds.
X Press button 0043repeatedly untilthedesired
heating levelisset.
X To switch off:press button 0043repeatedly
until allthe indicator lampsgoout.
i The
blower continues running forseven
seconds tocool down theheating elements.
i If
the battery voltage istoo low, AIRSCARF
may switch off. 102
SeatsSeats,
steering wheeland mirrors

Steering
wheel Import
antsafety notes G
WARNING
You could losecontrolofyour vehicle ifyou
do the following whiledriving:
R adjust thedriver's seat,head restraint ,
steering wheelormirrors
R fasten theseat belt
There isarisk ofan accident.
Adjust thedriver's seat,head restraint ,
steering wheelandmirror andfasten your
seat beltbefore startingthe engine. G
WARNING
Children couldinjure themselves ifthey
adjust thesteering wheel.Thereisarisk of
injury.
Never leavechildren unsupervised inthe
vehicle.
When leaving thevehicle, alwaystake the
SmartK eywith youand lock thevehicle. This
also applie sfor the Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect.
The electrically adjustablesteeringwheelcan
still beadjusted whenthereisno SmartK eyin
the ignition lock. Adjust
ingthe steering wheelelectri-
cally 0043
Adjust sthe steering wheelheight
0044 Adjust sthe steering wheelposition (fore-
and-aft adjustment )
i Further relatedsubjects:
R EAS Y-ENTRY/E XITfeature (Ypage 103)
R Stor ingsettin gs(Y page 107) EASY
-ENTR Y/EXITfeatur e
Import antsafety notes G
WARNING
If you drive offwhile theEAS Y-ENTRY/E XIT
feature ismaking adjustment s,you could
lose controlofthe vehicle. Thereisarisk of
an accident.
Always waituntil theadjustment processis
complete beforedriving off. G
WARNING
When theEAS Y-ENTRY/E XITfeature adjusts
the steering wheel,youand other vehicle
occupants –particularly children–could
become trapped. Thereisarisk ofinjury.
While theEAS Y-ENTRY/E XITfeature ismak-
ing adjustment s,make surethatnoone has
any body parts inthe sweep ofthe steering
wheel. Steering
wheel
103Seats,steering wheeland mirrors
Z

If
somebod ybecomes trapped:
R press oneofthe memory function posi-
tion buttons, or
R move theswitch forsteering wheel
adjustment inthe opposi tedirection to
that inwhich thesteering wheelismov-
ing.
The adjustment processisstopped. G
WARNING
When theEASY-E NTRY/EXIT feature adjusts
the steering wheelandthedriver's seat,you
and other vehicle occupants –particul arly
childre n–could become trapped.There isa
risk ofinjury.
Whil ethe EASY-E NTRY/EXIT feature ismak-
ing adjustments, makesurethatnoone has
any body parts inthe sweep ofthe seat and
the steering wheel.
If somebod ybecomes trapped:
R press oneofthe memory function posi-
tion buttons, or
R press oneofthe memory function mem-
ory buttons, or
R move theswitch forsteering wheel
adjustment inthe opposi tedirection to
that inwhich thesteering wheelismoving
The adjustment processisstopped. G
WARNING
If you useopenings inthe body work or
detachab leparts assteps, youcould :
R slip and/or fall
R dama gethe vehicle andcause yourself to
fall .
There isarisk ofinjury.
Alway suse secure climbingaids,e.g. asuit-
abl elad der.
The EASY-E NTRY/EXIT feature makesgetting
in and outofyou rvehicle easier.
You canactivate anddeactiva tethe EASY-
ENTRY/EXIT featureinthe on-board computer
(Y page 203). Posi
tion ofthe steering wheelwhen
the EAS Y-ENTRY/E XITfeature isactive The
steering wheelswings upwhen you:
R remove theSmartKey fromtheignition lock
R open thedriver's doorwithKEYLESS- GOin
positio n1
R open thedriver's doorandtheSmartKey is
in positio n0092 or0047
i The
steering wheelmoves upwards onlyif
it has notalrea dyreached theuppe rsteer-
ing limiter.
Posi tion ofthe steering wheelfor driv-
ing The
steering wheelismoved tothe last selec-
ted positio nwhen:
R the driver's doorisclosed
R you insert theSmartKey intotheignition
lock
or
R you press theStart/St opbutton onceon
vehicle swith KEYLESS- GO
When youclose thedriver's doorwiththeigni-
tion switched on,the steering wheelisalso
automa ticallymoved tothe previou slyset
positio n.
The lastpositio nof the steering columnis
stored whenyouswitch offthe ignition or
when youstore thesetting withthememory
function (Ypage 107).
Crash-responsi veEAS Y-EX ITfeature If
the crash-responsive EASY-EXITfeature is
triggered inan accident, thesteering column
wil lmove upwards when thedriver's dooris
opened. Thisoccurs irrespectiveofthe posi-
tion ofthe SmartKey inthe ignition lock.This
makes iteasi erto exit thevehicle andrescue
the occupants.
The crash-responsive EASY-EXITfeature isonly
opera tional ifthe EASY-E XIT/ENTRY featureis
activated inthe on-board computer
(Y page 203). 104
Steering
wheelSeats, steerin gwhe eland mirrors

Mirrors
Exteri
ormirrors
Adjusting theexteri ormirrors G
WARNING
You couldlose control ofyou rvehicl eif you
do the followi ngwhi ledrivi ng:
R adju stthe drive r'sseat, headrestrai nt,
steering wheelor mirrors
R fasten theseat belt
There isarisk ofan accide nt.
Adjust thedrive r'sseat, headrestrai nt,
steering wheeland mirror andfasten your
seat beltbefore starting theengine. G
WARNING
The exterior mirroronthe front-passeng er
side reducesthesize ofthe imag e.Visi ble
objects areactua llycloser thantheyappear.
This means thatyoucouldmisjud gethe dis-
tance fromroaduserstraveli ngbehi nd,e.g.
when changi nglane .There isarisk ofan
accide nt.
For this reas on,alwaysmake sureofthe
actua ldista ncefrom theroad userstraveli ng
behi ndbyglancing overyourshou lder. X
Make surethattheSmartKey isin posi tion
0047 or0048 inthe ignitio nlock.
X Press button 0043for the left exterior mirror
or button 0044for the right exterior mirror.
The indica torlamp inthe correspo ndingbut-
ton lights upinred.
The indica torlamp goesoutagainafter
some time.Youcanadju stthe sele cted exterior
mirrorusing button 0087aslong as
the indica torlamp islit.
X Press button 0087up, dow n,to the right orto
the left.
The exterior mirrormustbeset toaposi tion
that provi desyou with agood overvi ewof
traffic conditions.
The convex exterior mirrorsprovidealarg er
fiel dof visi on.
The exterior mirrorsareautomatica llyhea ted
after starting thevehicl eif the rear windo w
defros terisswi tched onand theoutsi detem-
pera ture islow .Mirror heating lastsup to10
minutes.
i You
canalsohea tup the exterior mirrors
manua llyby swi tching onthe rear windo w
defros ter.
Fo lding theexteri ormirrors inor out
ele ctrical ly X
Make surethattheSmartKey isin posi tion
0047 or0048 inthe ignitio nlock.
X Briefl ypress button 0043.
Both exterior mirrorsfoldinor out.
i Make
surethattheexterior mirrorsare
alw aysfolde dout fullywhi ledrivi ng.They
coul dotherwi sevibra te.
Exteri ormirror pushed outofposi tion If
an exterior mirrorhasbeen pushed outof
posi tion, procee das foll ows:
X Move theexterior mirrorintothecorrect
posi tion manua lly.
The mirror housingisengag edaga inand
you can adju stthe exterior mirrorsasusu al
(Y pag e105) . Mirrors
105Seats,steering wheeland mirrors Z

When
leaving thevehicle, alwaystake the
Smart Keywith youand lock thevehicle. This
also applies forthe Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivat edvia
Mercedes meconn ect.
The memory functioncan beactivat edatany
time, e.g.even when theSmart Keyisnot in
the ignition lock.
With thememory function,youcan store upto
three differen tsett ings, e.g.forthree differen t
people.
The following settings arestored asasingle
memory preset:
R Position ofthe seat, backres tand head
restr aint
R Driver 'sside: steerin gwheel position
R Driver 'sside: position ofthe exterior mirrors
on the driver's andfront-passenger sides X
Adj ust the seat electr ically(Ypage 99).
X On the driver's side,adjust thesteerin g
wheel (Ypage 103)andtheexterior mirrors
(Y page 105).
X Press memory buttonMand one ofthe stor-
age position buttons1, 2or 3within three
secon ds.
The settings arestored inthe selected pre-
set position. Aton esounds whentheset-
tings havebeen complet ed. Calling
upastored setting X
Press andhold therelevant storageposition
button 1,2or 3until theseat, steerin g
wheel andexterior mirrors areinthe stored
position.
i The
settingprocedure isinter rupted as
soon asyou release thestorage position
button . 108
Memor
yfunctionSeats, steering wheelandmirrors