2020 MERCEDES-BENZ SL CLASS key

Int
erior ligh ting cont rol
Gener alnot es In
ord erto pre ven tth eveh icle's battery from
disc harg ing,th eint erio rligh ting fun ction sare
auto maticallydeac tivat ed aftersom etime,
unle sstheSm artKey isin pos ition 0048inthe
ign ition lock.
The color and brightne ss oftheambi entligh t-
ing are setviathemult imed iasyst em
(Y page 202).
Aut oma tic int erior ligh ting cont rol X
To swit chon: settheswit chtocenter pos i-
ti on 004B.
X To swit choff:set theswit chtothe0033
pos ition .
The interio rligh ting auto maticallyswit ches on
if you:
R unlo cktheveh icle
R open adoor
R rem ove theSm artKey from theign ition lock
The interio rligh ting isswit ched on for aset
ti me when theSm artKey isrem ovedfrom the
ign ition lock.You canactivat eth is delaye d
swit ch-off usin gth eon -board comput er
(Y page 203). Rep
lacin gbul bs
The fron tand rear lamp sof your vehicleare
equipp edwithLE Dbulbs .Do notrep lace the
bulbs yourself.Con tacta qualif iedspec ialist
wor kshop whic hhas thene cessar yspec ialist
kn owled geand tools tocar ryout thewor k
req uire d.
Bulb sand lamp sare animpo rtant aspe ctof
veh iclesaf ety. You must there foremak esur e
th at these function correc tly at all times .Hav e
th eheadl ampsetting checke dreg ularly. Win
dshiel dwiper s Swit
chingth ewind shield wiper s
on/of f
! Do
notoper atethewin dsh ield wiper s
when thewin dsh ield isdry, asthis co uld damag
eth ewiper blades.Mor eover,dust
th at has collec tedon thewin dsh ield can
sc rat ch theglass ifwipin gtak esplac ewhen
th ewin dsh ield isdry.
If it is ne cessar yto swit chon thewin dsh ield
wiper sin dry weat hercond ition s,always use
washe rfluid when operating thewin dsh ield
wiper s.
! If
th ewin dsh ield wiper sleav esme arson
th ewin dsh ield aftertheveh iclehas been
washe din an auto maticcar wash, waxor
ot her residues maybethereas onfor this.
Clean thewin dsh ield usingwashe rfluid
aft erwashi ngtheveh iclein an auto matic
car wash.
! In
te rm itte nt wipin gwit hrain sensor:due
to opt ical influen cesand thewin dsh ield
bec omi ngdirt yin dry weat hercond ition s,
th ewin dsh ield wiper smay beact ivat ed
ina dve rten tly. This could then damag eth e
win dsh ield wiper bladesor scrat ch thewin d-
shie ld.
Fo rth is reas on,you should always switch
off thewin dsh ield wiper sin dry weat her. Comb
ination swit ch
0047 003F Windshield wiper off
0048 0062 Inte rm itte nt wipe, low(rain sensor
set tolow sensitivit y)
0049 0063 Inte rm itte nt wipe, high(rain sensor
set tohigh sensitivit y)
004A 00AA Continuo uswipe, slow
004B 00A9 Continuo uswipe, fast
0084 00D3 Single wipe/ 00D4Wipes thewin d-
shie ldusin gwashe rfluid
If th ewiper bladesare worn,thewin dsh ield
will nolonger bewiped properly.This could
pre ven tyou from observing thetraff icco nd i-
ti on s. Wind
shield wiper s
113Light sand winds hieldwiper s Z

Repl
acing the wiper blades
Impo rtant safetynotes G
WARNI
NG
If the windsh ield wiper sbeg into move while
yo uare changing thewiper blad es, you
cou ldbe trap ped bythe wiper arm.The reis
a ris kof inju ry.
Alw aysswi tch offthe windsh ield wiper sand
ig niti onbef ore changing thewiper blad es.
! To
avo idda mag ingthe wiper blad es, make
su re that youtou chonly thewiper arm of
the wiper .
! Neve
rope nthe hoodifawi ndsh ield wiper
arm hasbee nfol ded away from thewind-
shi eld.
Neve rfol dawi ndsh ield wiper arm withou ta
wi per blad eba ck onto thewindsh ield .
Hol dthe windsh ield wiper arm firmlywh en
yo ucha nge thewiper blad e. Ifyo urel ease
the windsh ield wiper arm withou ta wi per
bl ad eand itfal lsonto thewindsh ield ,the
wi ndsh ield may bedamag edbythe force of
the impact.
Mer cedes-Be nzreco mmend sthat youha ve
the wiper blad es cha nged ataqu alifi ed spe -
cia list wo rksho p.
! Alw
ayspos ition the windsh ield wiper arms
verti callybef ore folding them away from the
wi ndsh ield .By doing so, youwi llavo idda m-
ag eto the hood.
Cha ngingthe windsh ield wiper blades Mov
ingthe wiper arm toave rtic alpos i-
tio n
On vehic leswi thout KEYLES S-GO :
X Tu rn the Smar tKeytopos ition 0047 or0048 in
the igniti onlock.
X Set thewindsh ield wiper topos ition 00AA.
X Whe nthe wiper armsare verti caltothe
hoo d,turn theSmar tKeytopos ition 0092 in
the igniti onlock and remo veit.
X Fol dthe wiper arm away from thewind-
shi eld unti lyo ufee lit enga ge. On
vehic leswi th KEYLES S-GO :
X Swi tch offthe engi ne.
X Re move your foo tfrom thebrakeped al.
X Set thewindsh ield wiper tothe 00AA posi-
tion.
X Pre ssthe Start/Sto pbu tton repeatedl yunti l
the windsh ield wiper starts.
X Whe nthe wiper armsare inaverti calpos i-
tion tothe hood,pre ssthe Start/Sto pbu t-
ton.
X Fol dthe wiper arm away from thewind-
shi eld unti lyo ufee lit enga ge.
Remo vingawi per blade X
To
brin gthe wiper blade into pos ition to
be remo ved: hol dthe wiper arm firmlywith
one hand. With the othe rha nd, turn the
wi per blad ein the directi onofarr ow 0087
bey ond thepointofres ista nce.
The wiper blad eenga gesinthe remo val
pos ition with an audible cli ck.
X To remo veawi per blade: firmlypre ss
rel ease knob 0044and pullthe wiper blad e
up wa rds 0043.
In stal ling the wiper blades 11
4 Win
dshi eld wi persLights andwindsh ield wipers

X
Push thenew wiper bladeinthe direction of
arrow 0043ontothe wiper armuntil lug0044
engages.
X Push thewiper bladeoutofthe removal
position inthe direction ofarrow 0087beyond
the point ofresistan ce.
The wiper bladedisengages withanaudible
click andisfreely movable again. X
Make surethatthewiper bladeisseated
correc tly.
X Fold thewiper armback ontothe wind-
shield. Problems
withthewindshield wipers Problem
Possible
<0046004400580056004800560012004600520051005600480054005800480051
004600480056> and0050 0050
Solutions The
windshield wipers
are jammed. Leaves
orsnow, forexample, maybeobstruct ingthe windshield
wiper movemen t.The wiper motor hasbeen deactivated.
X For safety reasons, youshould remove theSmart Keyfrom the
ignition lock.
or X Switc hoff the engine usingtheStart /Stopbutton andopen the
driver's door.
X Remove thecause ofthe obstruct ion.
X Switc hthe windshield wipersbackon. The
windshield wipers
fail completely. The
windshield wiperdriveismalfunct ioning.
X Select another wiperspeed onthe combinat ionswitch.
X Have thewindshield wiperscheckedataqualified specialist
workshop. Windshield
wipers
115Lightsandwindshield wipers Z

Overview
ofclimat econtrol systems General
notes
Observe thesettings recom mended onthe fol-
lowing pages. Thewindows couldotherwise
fog up.
To preven tthe windows fromfogging up:
R switch offclimate control only briefly
R switch onair-rec irculation modeonlybriefly
R switch onthe cooling withairdehumidifica-
tion function
R switch onthe defrost windshield function
briefly, ifrequired
Climate control regulates thetemper atureand
the humidity inthe vehicle interiorand filters
undesirable substancesout ofthe air. Climate
control can only beoperated whenthe
engin eis runn ing.Optimum operation isonly
achieved withtheside windows androof
closed.
i When
theweather iswarm, ventilate the
vehicle forabrief period. Thiswillspeed up
the cooling process andthedesired vehicle
inter iortemper aturewillbereached more
quickly.
i It
is possible thatthedehumidification
func tion ofthe climate control system may
be activat edautomatic allyanhour after the
Smart Keyhasbeen removed. Thevehicle is
then ventilated for30minut estodry the air-
con ditionin gsystem. Control
panelfordua l-zone automat icclimat econtrol Canada
only
0043 Setsthe temper ature,left(Ypage 119)
0044 Setsclimate control toautomatic (Ypage 119)
0087 Defr osts thewindshield (Ypage 120)
0085 Switc hestheresidual heatonoroff (Ypage 122)
0083 Switc hescooling withairdehumidification on/off(Ypage 118)
0084 Switc hestherear window defrosteron/ off(Ypage 121)
006B Switc hestheZONE function on/off(Ypage 120)
006C Setsthe temper ature,right(Ypage 119)
006D Activates/ deactivat esclimate control (Ypage 118)
006E Setsthe airdistribut ion(Ypage 120)
006F Setsthe airflow (Ypage 120) 116
Overview
ofclimat econtrol systemsClimatecontrol

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

MAX
COOLmaximum cooli ng
The MAX COOL function isonly available in
vehicl esfor the USA.
MAX COOL isonly opera tional whenthe
engine isrunning.
X To activate :press the00C9 button.
The indica torlamp inthe button lights up.
X To deactiv ate:press the00C9 button.
The indica torlamp inthe button goesout.
The previ ouslysele cted settings are
restored .
When youactiva teMAX COOL, climatecontrol
swi tches tothe followi ngfunctions:
R maximu mcooli ng
R maximu mairfl ow
R air-re circul ation mode on Removi
ngcondens ationfromthe
wi ndow s
Windo wsfogg edup onthe inside X
Activate the005A coolingwith airdehu midi-
ficatio nfunction.
X Activate the0058 mode button.
X Ifthe windo wscontinue tofog up,activa te
the 0064 "Windshie lddefros ting"function.
i You
shou ldonly selectthis setting untilthe
winds hieldis clea raga in. Windo
wsfogg edup onthe outside X
Activate thewinds hieldwip ers.
X Press the008F button repeatedlyuntilthe
009C or009B symbolapp ears inthe disp lay.
i You
shou ldonly selectthis setting untilthe
winds hieldis clea raga in. Rear
window defroste r
Gene ralnote s The
rear windo wdefros terhas ahigh current
draw .You shou ldtherefore switch itoff as
soon asthe rear windo wisclea r.Otherwi se,
the rear windo wdefros terswitches offauto-
matica llyafter severa lminutes.
If the battery voltageis too low,the rear win-
dow defros termay switch off.
Ac tivating /deactivating X
Turn theSmartKey toposi tion 0048inthe igni-
tion lock (Ypag e126).
X Press the006C button.
The indica torlamp inthe 006C button lights
up orgoes out.
Probl emswith the rear window defroste r Probl
em Poss
iblecause s/cons equen cesand 0050 0050
Sol utions The
rear windo w
defros terhas deactiva-
ted prema turelyor can-
not beactiva ted. The
on-board voltageis too low becau setoo many electrical con-
sume rsare switched on.
X Switch offany consumers thatarenot requ ired,e.g. read ing
lamp s,interior lighting orthe seat heating.
When thebattery issuffi ciently charged,the rear windo w
defros tercan beactiva tedagain. Operating
theclimate control systems
121Climate control

G
WARNING
If you switch offthe ignitio nwhi ledrivi ng,
safety -releva ntfunctions areonly available
with limitations, ornot atall.This could
affect, forexampl e,the pow ersteering and
the brake boostingeffect. Youwillrequ ire
conside rablymore effort tosteer andbrake.
There isarisk ofan accide nt.
Do not switch offthe ignitio nwhi ledrivi ng. G
WARNING
If the parki ngbrake hasnotbeen fully
rele ased when driving,the parki ngbrake
can:
R overhe atand caus eafire
R lose itshold function.
There isarisk offire and anaccide nt.
Rel ease theparki ngbrake fullybefore driv-
ing off.
! Do
not warmup the engine whilestation-
ary .Pul lawa yimmed iately.Avoid high
engine speedsand fullthrottle untilthe
engine hasreache dits opera tingtempera -
ture.
In vehicl eswith automatic transmissi on,
engag eposi tions Pand Ronly when the
vehicl eis stationa ry.
Where possible,avoi dspinning thedrive
whee lswhen pulling awayon slip pery roads.
You couldotherwi sedama gethe drive train.
! Merce
des-AMGvehi cles:at low engine
oil tempera turesbelow 68‡(+20 †),the
maximu mengine speedis restricted in
order toprotect theengine. Toprotect the
engine andmaintai nsmooth engineopera-
tion, avoiddrivi ngatfull throttle whenthe
engine iscold. Ke
ypositi ons
SmartKey 005A
Toremove theSmartKey
0047 Powe rsup plyforsome consumers ,such
as the winds hieldwip ers
0048 Ignition (powersup plyforallconsumers )
and drive position
0049 Tostart theengine
i The
SmartKey canbeturned inthe ignitio n
lock even ifit is not thecorrect SmartKey
for the vehicl e.The ignitio nis not switched
on. The engine cannot bestarted.
KE YLESS-GO Gene
ralnotes
Vehi cles with KEYLESS-GO areequipped with
a SmartKey featuringanintegrated KEYLESS-
GO start function andadetacha bleStart/Stop
button.
The Start/Stop buttonmustbeinserted inthe
ignitio nlock andtheSmartKey mustbeinthe
vehicl e.
When youinsert theStart/Stop buttoninto
the ignitio nlock, thesystem needsapprox-
imatel ytwo seconds recognitio ntime. Youcan
then usetheStart/Stop button.
Pressi ngthe Start/Stop buttonseveraltimes
in successi oncorrespo ndstothe differ entkey
posi tions inthe ignitio nlock. Thisisonly the
case ifyou arenot depre ssing thebrake pedal.
If you depre ssthe brake pedaland press the
Start/Stop button,theengine startsimmed i-
ately .
A check whichperi odica llyestabl ishesa radi o
connection betweenthe vehicl eand the
SmartKey determineswhethe ra vali dSmart- 126
Drivi
ngDrivi ngand parking

Key
isin the vehicle .This occurs, forexampl e,
when starting theengine.
To start thevehicle withoutactively usingthe
SmartKey:
R the Start/St opbutton mustbeinserted in
the ignition lock.
R the SmartKey mustbeinthe vehicle .
R the vehicle mustnotbelocked withthe
SmartKey orKEYLESS- GO(Ypage 74).
Do not keep theSmartKey:
R with electronic devices,e.g.amobil ephone
or another SmartKey.
R with metall icobjects, e.g.coins ormetal
foil.
R inside metallicobjects, e.g.ametal case.
This canimpa irthe functionali tyof the KEY-
LESS- GOkey.
If you lock thevehicle withtheSmartKey's
remote controlorwith KEYLESS- GO,after a
short time:
R you willnot beableto switch onthe ignition
with theStart/St opbutton.
R you willnot beableto start theengine with
the Start/St opbutton untilthevehicle is
unlocked again.
The engine canbeswitched offwhil ethe vehi-
cle isin motion bypressi ngand holdi ngthe
Start/St opbutton forthree seconds. This
function operatesindepe ndently ofthe ECO
start/stop automaticengine switch-off func-
tion.
Key positio nswith KEYLESS-GO 0043
Start/St opbutton
0044 Ignition lock
As soon asthe ignition isswitched on,allthe
indicator lampsin the instrument clusterlight
up. Further information onsitua tions where an
indicator lampeither failsto go out after start- ing
the engine orligh tsup whil edriving
(Y page 238).
If Start/St opbutton 0043has notyetbeen
pressed ,this corresponds tothe key being
removed fromtheignition.
X To swi tch onthe powe rsupply: press
Start/St opbutton 0043once.
The powe rsupp lyisswitched on.You can
now activate thewindsh ieldwipers, for
exampl e.
The powe rsupp lyisswitched offaga inif:
R the driver's doorisopened and
R you press Start/St opbutton 0043twice
when inthis positio n
X To swi tch onthe ignition: press Start/
Stop button 0043twice.
The ignition isswitched on.
If you press Start/St opbutton 0043once
when inthis positio n,the ignition is
switched offaga in.
Removing theStart/Stop button
You canremove theStart/St opbutton from
the ignition lockandstart thevehicle asnor-
mal using theSmartKey.
X Remove Start/Stopbutton 0043from ignition
lock 0044.
You donot have toremove theStart/St opbut-
ton from theignition lockwhen youleavethe
vehicle .You shoul d,howeve r,alw aystake the
SmartKey withyouwhen leaving thevehicle .
As long asthe SmartKey isin the vehicle :
R the vehicle canbestarted usingtheStart/
Stop button
R the electrical lypowe redequi pment canbe
opera ted Starting
theengi ne
Important safetynotes G
WARNING
If childre nare left unsup ervised inthe vehi-
cle, they could :
R opera tethe vehicle 'sequi pment Drivi
ng
127Drivi ngand parking
Z