2020 MERCEDES-BENZ SL CLASS stop start

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

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

Add
itiona lly, chi ldren couldset the vehiclein
moti onif,for exa mpl e,they :
R rel ease the parking brake
R shi ftthe automa tictrans mission outof
pa rk positio n005D
R sta rtthe engine
The reisaris kof an acci dent and injury.
Nev erleav echi ldren orani ma lsuna ttend ed
in the vehicle.
Whe nleav ing the vehicle, alwa ystake the
Sma rtKeywi th youand lock the vehicle. Thi s
al so appliesfor the DigitalVeh icleKey ifthe
"Di gital Veh icleKey "fu nctio nis acti vated via
Mer cedesme conne ct. G
DA
NGER
Co mbu stion eng inesemi tpo isonou s
exha ustga ses such ascar bonmono xide.
Inha ling thes eexha ustga ses isha zard ousto
hea lthand canresultin po isoni ng. Thereisa
ris kof fata linju ry.The refore ,neve rle av ethe
eng inerunning anencl osedspa cewithou t
ad eq uate venti latio n. G
WA
RNING
Fla mma ble ma teri alsintro duced through
envi ronme ntalinfluence orby ani ma lscan
ig nite ifin conta ctwith the exha ustsy stem
or parts ofthe enginethathea tup .The reis
a ris kof fire.
Ca rry outreg ular che cks toma kesure tha t
ther ear eno flamma ble fore ign ma teri alsin
the enginecomp artment orinthe exha ust
sy stem .
The cata lytic conve rterispre hea ted forupto
30 sec ond saf ter acol dsta rt.The soundofthe
eng inemaycha nge durin gthi stim e.
Au tomati ctrans mission X
Dep ressthe brakepedaland keepit
de pre sse d.
X Shi ftthe transmi ssion topositio n005D.
Tra nsmi ssion positio ndisp lay005D issho wn
in the multifu nctio ndisp lay. i
Yo
ucan startthe engineintra nsmi ssion
po sitio n005D and 005C.
Starti ngproc edurewith the SmartK ey To
sta rtthe engineusing the Sma rtKeyins tea d
of KEY LESS-G O,pullthe Star t/Stop button out
of the igniti onlock.
X Tu rn the Sma rtKeyto positio n0049
(Y page 126 )in the igniti onlock and release
it as soo nas the engineisrunning .
Us ingKE YLES S-GO tostart theengine The
Start/Stop button canbeused tosta rtthe
veh iclema nua lly wi thou tins erti ngthe Sma rt-
Key into theigniti onlock. The Start/Stop but-
ton mustbe inserte din the igniti onlock and
the Sma rtKeymu stbe inthe vehicle. Thi s
mod efor startin gthe engineopera tes inde-
pe nde ntly ofthe ECO start/sto pau toma tic
eng inestartfunctio n.
X Dep ressthe brakepedaland keepit
de pre sse d.
X Pre ssthe Star t/Stop button once
(Y page 126 ).
Th eeng inestarts. Pul
ling away
Ge neral notes G
WA
RNING
If the enginespee dis ab ove theidling spee d
and youeng agetra nsmi ssion positio n003A
or 0046 ,the vehiclecou ldpu llaw ay sud-
de nly .The reisaris kof an acc ident.
Wh eneng aging transmi ssion positio n003A
or 0046, alwa ysfirml yde pre ssthe brake
pe daland donot simu ltaneo uslyacc elera te.
Dep ressthe accelera tor carefully wh en pulling
aw ay.
The vehiclelocks centr ally once youha ve
pu lled away.The locking knobsin the doors
dro pdo wn.
Yo ucan open the doors fromthe inside at any
tim e.
Yo ucan also deacti vate the automa ticlocking
fea ture(Y page 203 ). 12
8 Dr
ivi ngDr ivi ng andparki ng

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

R
the syste mdetects thatthe winds hield is
not foggedup when the air-con ditio ning sys-
tem issw itch edon
R the hoodis clo sed
R the driver 'sdo or isclo sedand thedriver 's
se at beltis faste ned
All ofthe vehicle'ssy ste ms rem ain acti ve
wh en the engineisstop pedau toma tically.
Al lve hic les(e xc ept Merce des -AMG vehi-
cl es ):au toma ticeng ineswitch -off can take
pl ace ama xim um offou rtim esinarow (initi al
stop ,the nthre esu bs eq uent stop s).
Me rce des -AMG vehic les: the num berof con-
se cuti veautoma ticeng ineswitch -offsis
unl imite d.
The HOLD functio ncan beacti vated ifthe
eng inehasbe en switch edoff automa tically. It
is the nnot nece ssaryto conti nueapplying the
bra kes durin gthe automa ticstop phase. Wh en
yo ude pre ssthe accelera tor pedal,the engine
sta rts automa tically and thebraking effect of
the HOLD functio nis de acti vated .
Au tomati cen gine start The
enginestarts automa tically if:
R yousw itch offthe ECO start/sto pfu nctio n
by pre ssing the ECO button
R in tra nsmi ssion positio n005B or005C, thebrake
pe dalis rel easedand theHOLD functio nis
not active
R youde pre ssthe accelera tor pedal
R youeng agerev ers ege ar 005E
R youmov ethe transmi ssion outof positio n
005D
R yousw itch todrive pro gramS+
R yousw itch todrive pro gramSor M
(M erce des-AM Gveh icles )
R youunf asten your seat beltor open the driv-
er' sdo or
R the vehiclesta rts toroll
R the brakesyste mreq uires this
R the temp eraturein the vehicleinte riorde vi-
ate sfro mthe setra nge
R the syste mdetects moistureon the wind-
shi eld wh en the air-con ditio ning syste mis
sw itch edon
R the battery 'scond ition ofcha rge istoo low
Shi ftin gthe transmi ssion topositio n005D does
not startthe engine. De
activ atin gor activ atin gthe ECO
start/ stopfun ction Al
lve hic les(e xc ept Merce des -AMG vehi-
cl es ) X
To dea ctivate :pre ssECO button 0043.
Indi cato rla mp 0044goes out.
X To activ ate :pre ssECO button 0043.
Indi cato rla mp 0044lights up.
If ind icator lamp 0044isoff ,the ECO start/sto p
fu nctio nha sbe en deacti vated manua lly or as
the resultof ama lfunctio n.Theeng inewill
the nnot beswitch edoff automa tically wh en
the vehiclestop s.
Me rce des -AMG vehic les X
To dea ctivate :in dri ve pro gramC, pre ss
ECO button 0043.
or X Swi tch todrive pro gramS, S+ orM
(Y page 132 ).
Indi cato rla mp 0044goes out.
X To activ ate :pre ssECO button 0043.
Indi cato rla mp 0044lights up. 13
0 Dr
ivi ngDr ivi ng andparki ng

If
drive program S,S+ orMisactive, the
automa tictransmission switchestodrive
program C.
If indicator lamp0044isoff, theECO start/stop
function hasbeen deactiva tedmanua llyoras the
resul tof amalfu nction. Theengine will
then notbeswitched offautoma ticallywhen
the vehicle stops. Proble
mswith theengi ne Proble
m Possi
blecauses /consequen cesand 0050 0050
Solutio ns The
engine doesnot
start. The
HOLD function orActive Distance AssistDISTRONIC isactiva-
ted.
X Deactivate theHOLD function (Ypage 166)orActive Distance
Assist DISTRONIC (Ypage 163).
X Try tostart theengine again. The
engine doesnot
start. Thestarter motor
can beheard . R
There isamalfu nction inthe engine electronics.
R There isamalfu nction inthe fuel supp ly.
Before attempting tostart theengine again:
X Turn theSmartKey backtopositio n0092 inthe ignition lock.
or X Press theStart/St opbutton repeatedlyuntilallindicator lampsin
the instrument clustergoout.
X Try tostart theengine again(Y page 127). Avoid excessivel ylong
and freque ntattempts tostart theengine asthese willdrai nthe
battery.
If the engine doesnotstart after several attempts:
X Consul ta qua lifiedspecia listworkshop. The
engine doesnot
start. Youcannot hear
the starter motor. The
on-board voltageistoo low becau sethe battery istoo wea kor
discha rged.
X Jump -start thevehicle (Ypage 288).
If the engine doesnotstart despi teattempts tojump-start it:
X Consul ta qua lifiedspecia listworkshop. The
starter motorwasexposed toathermal loadthatwastoohigh.
X Allow thestarter motortocool down forappro ximately two
minutes.
X Try tostart theengine again.
If the engine stilldoes notstart:
X Consul ta qua lifiedspecia listworkshop. Drivi
ng
131Drivi ngand parking Z

R
the availabi lity of the ECO start/sto pfu nc-
tio n
R the driver assista nce syste ms
R the availabi lity of glid ing mod e
Fur therinf orm ation for automa ticdrive pro -
gra mcha racteri stics (Y page 139 ).
Add itiona lly, in dri ve pro gramIyo ucan confi g-
ur ethe respectiv eveh iclecha racteri stics
us ing the multimed iasyste m. Youcan find
inf orm ation abou tthi sin the DigitalOp era tor' s
Ma nua l.
Each timeyo usta rtthe enginewith the Sma rt-
Key orthe Star t/Stop button, drive pro gramC
is acti vated .For furthe rinf orm ation abou t
sta rtin gthe engine,se e(Y page 127 ). Se
lecti ng the driv eprog ram X
Tu rn DYN AMIC SELEC Tcontro ller 0043 as
ma nytim esasnece ssaryunti lthe desired
dri ve pro gramisse lected .
The symbo lof the selected drive pro gramis
sho wninthe multifu nctio ndisp lay.
In additio n,the current drive pro gramset-
ting sar edisp laye dbri eflyin the multimed ia
sy ste mdisp lay.
The drive pro gramind icator onDYN AMIC
SELEC Tcontro ller 0043 lights upinred .
Add itiona linf orm ation for drive pro grams
(Y page 139 ). Add
ition alsettin gs 0043
ECO start/sto pfu nctio n(Y page 129 )
0044 ESP ®
(Y page 65)
0087 Suspensi on (Ypage 173)
0085 Perma nent activatio nof ma nua lge arshi ft-
ing (Ypage 142)
Wh enyoupre ssbuttons 0043-0085 the corr e-
sp ond ingsetting isse lected .Th eDYN AMIC
SELEC Tcontro ller setting isove rwritte n.
Th esese tting swi llal so be mainta inedifyo u
sw itch todrive pro gramRAC E,S+ ,S or Cwi th
the DYN AMIC SELEC Tcontr oller.
If yo usw itch todrive pro gramI,allstor ed
cha racter istics willbe acc epted .Th isisalso
the caseif yo uha ve pre viouslypre sse dbu t-
tons 0043-0085. DY
NAM ICSELECT butto n(al lve hi-
cl es except Me rce des -AMG vehic les)
Use theDYN AMIC SELEC Tbu tton tocha nge
the drive pro gram.Dep endingonthe drive pro -
gra mselected thefollowi ng veh iclecha racter -
is tics willcha nge :
R the drive (engi ne and transmi ssion manag e-
ment)
R the susp ens ion
R the steering
R the curvetilting functio n(ve hicle swi th
Activ eBod yCo ntrol )
R the contro lthre sholdsof ESP ®
Each timeyo usta rtthe enginewith the Sma rt-
Key orthe Star t/Stop button, drive pro gramC
is acti vated .Fur therinf orm ation abou tsta rtin g
the engine(Ypage 127 ).
Each timeyo usta rtthe enginewith the Sma rt-
Key ,dri ve pro gramCis acti vated .Fur ther DYN
AMIC SELEC Tbutto n(a llve hicles excep tMe rce des-A MG vehicles)
133Driving andpa rki ng Z