2020 MERCEDES-BENZ SL CLASS key

Problem
Possible
causes/co nsequences and0050 0050
Solutions The
engine cannot be
started usingtheSmart-
Key. The
on-board voltageistoo low.
X Switch offnon- essential consumers, e.g.seat heating orinterior
lighting, andtrytostart theengine again.
If this does notwork:
X Check thestarter battery andcharge itifnecessary
(Y page 287).
or
X Jump-start thevehicle (Ypage 288).
or
X Consult aquali fiedspecialist workshop. The
engine cannot be
started usingKEYLE SS-
GO. TheSmartK eyisin
the vehicle. The
vehicle islocked.
X Unlock thevehicle andtrytostart thevehicle again. The
SmartK eybattery isdischarged ornearly discharged.
X Check theSmartK eybattery (Ypage 77)and replace itifneces-
sary (Ypage 77).
If this does notwork:
X Start yourvehicle withtheSmartK eyinthe ignition lock. There
isinterf erence fromapowerful sourceofradio waves.
X Start yourvehicle withtheSmartK eyinthe ignition lock. You
have lostaSmart-
Key. X
Have theSmartK eydeactivated ataqual ified specialist work-
shop.
X Report theloss immediately tothe vehicle insurers.
X Ifnecessary, havethelocks changed aswell. You
have lostthe
mechanical key. X
Report theloss immediately tothe vehicle insurers.
X Ifnecessary, havethelocks changed aswell. The
side windows can-
not beopened orclosed
using theconven ience
opening/c losingfea-
ture. The
SmartK eybattery isdischarged ornearly discharged.
X Check theSmartK eybattery (Ypage 77)and replace itifneces-
sary (Ypage 77). Doo
rs Import
antsafety notes G
WARNING
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment Additionally,
childrencouldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmission outof
park position 005D
R start theengine
There isarisk ofan accident andinjury. Doo
rs
79Opening andclosing
Z

Never
leavechildren oranimal sunattended
in the vehicle.
When leavingthe vehicle, always take the
SmartKey withyouand lock thevehicle. This
also appliesforthe Digital Vehicle Keyifthe
"Digital Vehicle Key"function isactivated via
Mercedes meconnect . Unlo
cking andopeni ngdoors from
the inside
! The
side window swil lnot open/close if
the battery isdischarge dor ifthe side win-
dows haveicedup.Itwil lthen notbepossi-
ble toclose thedoor. Donot attempt to
force thedoor closed. Youcould otherwise
dama gethe door orthe side window .
You canopen adoor from inside thevehicle
even ifit has been locked.
If the vehicle haspreviou slybeen locked from
the outside ,opening adoor from theinside
wil ltrigger theanti-theft alarm system. Switch
off the alarm (Ypage 72). X
Pull door handle 0044.
If the door islocked, lockingknob0043pops
up. The door isunlocked andcanbe
opened.
When adoor isopened, theside window on
that side opens slightly .When thedoor is
closed, theside window closesagain. Cen
trally locking andunloc kingthe
vehic lefrom theinside
You cancentrally lockorunlock thevehicle
from theinside. Forexample ,you can unlock the
front- passe ngerdoor from theinside or
lock thevehicle beforeyoupullawa y. X
To unloc k:press button 0043.
X To loc k:press button 0044.
If the front- passe ngerdoor isclosed, the
vehicle locks.
The central locking buttondoesnotlock or
unlock thefuel fillerflap orthe stowage com-
partments, suchasthe glove box.
You cannot unlockthevehicle centrally from
the inside ifthe vehicle hasbeen locked with
the SmartKey orKEYLESS- GO.
You canopen adoor from inside thevehicle
even ifit has been locked.
If alocked doorisopened fromtheinside, the
previou sunlock statusofthe vehicle willbe
taken intoconsideration if:
R the vehicle waslocked usingthelocking
button forthe central locking, or
R ifthe vehicle waslocked automa tically
The vehicle willbe fullyunlocked ifit had pre-
viousl ybeen fullyunlocked. Ifonly thedriver's
door hadbeen previou slyunlocked, onlythe
door which hasbeen opened fromtheinside is
unlocked. 80
Do
orsOpeni ngand closi ng

Aut
oma tic locki ngfea ture X
To dea ctivate: pressand hold button0043 for
about fivesec onds unt ila to ne soun ds.
X To act ivate: pressand hold button0044 for
about fivesec onds unt ila to ne soun ds.
If you pressoneof thetwo buttons and donot
hear ato ne ,th erel evan tset ting has already
been selected.
The vehicleis loc kedauto maticallywhen the
ign ition isswit ched on and thewhee lsare
tur nin g.
You could there foreloc kyours elfout if:
R theveh icleis bein gpush ed.
R theveh icleis bein gto wed.
R theveh icleis on arol ler dyn amom eter.
You canalso switchtheauto maticloc king
fun ction onand offusin gth eon -board com-
put er(Y page 203). Power
closing
Powe rclo singpulls thedoor sand trunk lid
int oth eir locksauto maticallyeve nif th ey are
on lypart lyclo sed.
X Power closingfea ture (doo rs):push the
door pastthefir st det entpos ition intoth e
loc k.
Powe rclo singwill pull thedoor fullyclosed.
X To power closethetrunk lid:ligh tly push
th etrunk lidclosed.
The powe rclo singfun ction pulls thetrunk
lid closed. Unlock
ing/lockingth edr iver 'sdoor
usi ng themec hanica lkey
i If
you want tocentrally lockth eveh icle
usin gth emec hanical key,begi nby pre ssing
th eloc king but tonfor theint erior loc king
mec hanism while thedri ver 'sdoor isopen .
The nloc kth edri ver 'sdoor usingth e
mec hanical key. X
To unl ock: turnth emec hanical keyco un-
te r-clo ckwise asfar asitwill gotopos ition
0047.
X To lock: turnth emec hanical keyclo ckwise
as far asitwill gotopos ition 0047.
If you usethemec hanical keyto unl ockand
open thedri ver 'sdoor ,th eant i-thef talarm
syst emwill betrigge red.Swi tchoff thealarm
(Y page 72). Tr
unk Imp
ortant safety notes G
WAR
NING
If obj ects,luggag eor loads arenotsec ured
or notsec ured sufficien tly, they could slip,
ti p ove ror be flun garou ndand there byhit
veh icleoc cup ants.The reisaris kof injury,
part icularly intheeve ntofsudd enbrak ing
or asudd enchang ein dir ection .
Alw ays store objects so that they can notbe
flun garou nd.Se cur eobj ects,luggag eor
loads againstslip pingor tippin gbef ore the
jo urn ey.
! The
trunk lidswin gsupwar dswhen
open ed.Therefore ,mak esur eth at there is
suf ficien tcle aran ceabov eth etrunk lid. Tr
unk
81Opening andclosing Z

!
Only
close thetrunk oncetheroof islow-
ered completely. Otherwise,youcould dam-
age theroof.
If you close thetrunk lidbefore theroof is
lowered completely, theloadi ngaid switch
lights upand awarning tonesounds.
The opening dimensions ofthe trunk lidcan be
found inthe "Vehicle data"section
(Y page 330).
With theroof open, youcan usetheloadi ng
aid toraise thefolded roofinthe trunk to
make loadingeasier (Ypage 254). Thetrunk
partition opensautomaticall y.
You canunlock thetrunk lidifthe vehicle is
stationary andtheroof iscompletely openor
closed.
Do not leave theSmartKey inthe trunk. You
could otherwise lockyoursel fout.
The trunk lidcan be:
R opened/closed fromoutside
R opened andclosed automaticall yfrom out-
side (vehicles withtrunk lidremote closing
feature)
R opened andclosed automaticall yfrom
inside (vehicles withtrunk lidremote closing
feature)
R opened, closedorstopped duringoperation
without theuse ofyour hands (vehicles with
KEYLES S-GOandHAND S-FREE ACCESS)
R locked separately
R opened withtheemergency releasebutton
R unlocked withthemechanical key
You should preferably placeluggageorloads
in the trunk. Tru
nklidreversing feature
The trunk lidisequip pedwith anautomatic
reversing feature.Itreacts ifasolid object
obstructs orrestrict sthe trunk lidduring the
closing procedure. Thetrunk lidopens again
automaticall y.The automatic reversingfunc-
tion isonly anaid and isnot asubstitute for
your attent iveness tothe trunk lidwhile itis
closing. G
WARNING
The reversing featuredoesnotrespond:
R to soft, lightandthin objects, e.g.fingers
R over thelast 1/3 in(8 mm) ofthe closing
movement
The reversing featurecannotprevent some-
one being trapped inthese situations inpar-
ticular. Thereisarisk ofinjury.
Make surethatnobody parts areinclose
proximity duringtheclosing procedure.
If somebody becomestrapped:
R press the0054 button onthe SmartKey,
or
R pull orpress theremote operating switch
on the driver's dooror
R press theclosing orlocking buttononthe
trunk lid,or
R pull onthe trunk lidhandle Opening/
closing from outside
Opening X
Press the0036 button onthe SmartKey.
X Pull handle 0043.
X Lift the trunk lid.
If the trunk partition wasclosed, itopens
automaticall yand remains open.
With theroof open, youcan usetheloadi ng
aid toraise thefolded roofinthe trunk to
make loadingeasier (Ypage 254). Thetrunk
partition opensautomaticall y. 82
Tr
unkOpening andclosing

Closing
X
Pull thetrunk liddown usingrec ess 0043.
X Loc kth eveh icle ifne ces sary withth e0037
but tonon theSm artKey orwit hKE YLE SS-
GO.
It does notloc kif aSm artKey withKE YLE SS-
GO isdet ectedinthetrunk . Ope
ning/clos ingautom atically from
th eout side
Imp ortant safety notes G
WAR
NING
Part sof thebody couldbec ome trapped
durin gauto maticclo singof thetrunk lid.
Mor eover,peopl e,e.g .ch ildre n,may be
st and ingintheclo singarea ormay enterth e
clo singarea durin gth eclo singpro ces s.
Ther eis aris kof injury.
Mak esure that nobody isin thevic inity of
th eclo singarea durin gth eclo singpro ces s.
Use oneof thefoll owin gopt ionsto stop the
clo singpro ces s:
R pres sth e0054 buttonon theSm artKey.
R pull orpres sth erem oteoper atingswit ch
on thedriv er'sdoor .
R pres sth eclo singor loc kin gbut tonon the
tr unk lid.
R pull thetrunk lidhan dle
! The
trunk lidswin gsupward swhen
open ed.Ther efore, mak esure that there is
suff icientcle aran ceabov eth etrunk lid. The
open ingdime nsion sof thetrunk lidcan be
foun din the"Veh icledata"sec tion
(Y page 330).
Ope ning autom atically You
canauto maticall yopen thetrunk lidusin g
th etrunk lidhan dle.
X Ifth etrunk lidisunlo cked, pull thetrunk lid
han dleand letitgo again immediat ely.
When theroo fis open ,th etrunk partition
clo ses auto maticall y.
If th etrunk partition was closed, itopen s
auto maticall yand remains open .
Veh icles withthetrunk lidrem oteclosing
fea ture: thetrunk lidcan also beopen ed
auto maticall ywit hth eSm artKey.
X Pre ssand hold the0054 buttonon the
Sm artKey untilth etrunk lidopen s.
Closing autom atically X
Pre ssand release closingbut ton0043 onthe
tr unk lid.
Veh icles withtrunk lidrem oteclosing fea-
tu re and KEYLESS- GO:
X Ifth edriv er'sdoor isclo sed, youcan simul-
tan eousl yclo sethetrunk lidand lockth e
veh icle.The KEYLE SS-GO keymust beinthe
rear detection rangeoftheveh icle.
X Pre ssloc kin gbut ton0044 inthetrunk lid.
The trunk partition ,th eloadin gaid and the
tr unk lidare closed.
If aKE YLE SS-GO keyis det ectedout side the
veh icle,th etrunk lidcloses and theveh icle
loc ks.
If aKE YLE SS-GO keysdet ectedinthetrunk ,
th etrunk lidopen sagain afteritis clo sed. It
does notloc k. Tr
unk
83Opening andclosing Z

HANDS
-FREEACCESS
Gene ralnote s With
KEYLESS-GO andHANDS-F REEACCESS,
you can open orclose thetrunk lidorstop the
proced urewitho utusi ng you rhands. Thisis
use fulifyou have yourhands full.To do this,
make akicking movement underthebump er
with yourfoot.
Observe thefollowi ngpoints:
R Ca rry you rKEYLESS-GO keyaboutyou rper-
son. TheSmartKey mustbeatthe rear of
the vehicl ein the detection rangeofKEY-
LESS-GO.
R When making thekicking movement, make
sure thatyouarestanding firmlyonthe
grou ndand that there issuffi cient clearance
to the rear ofthe vehicl e.You couldother-
wis elose yourbal ance, forexampl eon ice.
Important safetynotes G
WARNING
The vehicl eexhau stsystem canbecome
very hot.Ifyou useHANDS-F REEACCESS,
you couldburn yourself bytouching the
exhau stsystem. Thereisarisk ofinjury .
Alwa ysensure thatyoumake thekicking
movement onlywithi nthe detection rangeof
the sensors.
! If
the SmartKey iswithi nthe rear detection
range ofKEYLESS-GO, thefollowi ngsitua -
tions, forexampl e,coul dlea dto the unin-
tentional openingofthe trunk lid:
R when using anautomatic carwas h
R when using apow erwas her
Make surethattheSmartKey isat lea st
10 ft(3 m) awa yfrom thevehicl e. R
Alwa ysensure thatyoumake thekicking
movement onlywithi nthe detection range
of sensors 0043.
R Stand atlea st12 in(30 cm) awayfrom the
rear area whiledoing so.
R Do not come intocontact withthebump er
whi lemaking thekicking movement. Other-
wis e,the sensors maynotfunction cor-
rectly.
R HANDS-F REEACCESS doesnotfunction
duri ngengine start.
R Dirt caus edbyroad saltand snow build-u p
arou ndsensors 0043may restrict functional -
ity.
R Using theHANDS-F REEACCESS witha
prostheti cleg may restrict functional ity.
R IfaKEYLESS-GO keyisat the rear ofthe
vehicl ein the detection rangeofKEYLESS-
GO, HANDS-F REEACCESS couldbe trig-
gered .The trunk lidcoul dthus beopened or
closed unintentiona lly,for exampl e,ifyou :
- sit on the edge ofthe trunk.
- set somethi ngdow nor lift somethi ngup
behi ndthe vehicl e.
- poli shthe rear ofthe vehicl e.
Do not carry theKEYLESS-GO keyabout
you rperso nin these situations orinsitua -
tions similartothese. Thiswillprevent the
unintentiona lopeni ng/closing ofthe trunk
lid . 84
TrunkOpen
ingand closi ng

Opera
tion X
To open/close: kickyour footintosensor
detec tionzone0043 below thebumper.
A warning tonewill sound whilethetrun klid
is opening orclosing .
X If
the trunk liddoes notopen aftersev-
eral attempt s:wait atleast tensecon ds
then move yourlegunder thebumper once
again.
If you hold your footunder thebumper fortoo
long, thetrun klid does notopen orclose.
Repeat thelegmovemen tmore quickly ifthis
occurs .
To stop theopening orclosing procedure, you
have thefollowing options:
R kick with your footintosensor detection
range 0043under thebumper
R Pull thehandle onthe outside ofthe trun k
lid.
R Press theclosing buttononthe trun klid.
R Pull orpress theremot eoperatin gswitch on
the driver's door.
R Press the0054 button onthe Smart Key.
If the trun klid closing procedure hasbeen
stopped:
R Move yourfootunder thebumper againand
the trun klid will open.
If the trun klid opening procedure hasbeen
stopped:
R Move yourfootunder thebumper againand
the trun klid will close. Opening/closing
automat ically from
inside
Impor tantsafet ynotes G
WARN
ING
Parts ofthe body could become trapped
during automatic closingofthe trun klid. In
addition, peoplemaybestan ding inthe clos-
ing area ormay enterthe closing area,e.g.
children ,during theclosing procedure.
There isarisk ofinjur y.
Make surethatnobody isin the vicin ityof
the closing areaduring theclosing process .
Release theremot eoperatin gswitch imme-
diately ifsomebody becomestrapped.Tore-
open thetrun klid, pull onthe remot eoper-
ating switch. G
WARN
ING
The trunklid can beautomatic allyopened or
closed evenifthe Smart Keyisnot inthe
vehicle. Ifchildren areleft unsupervised in
the vehicle, theycould activat ethe func -
tion s.There isarisk ofinjur y.
When leaving thevehicle, alwaystake the
Smart Keywith youand lock thevehicle.
Never leavechildren unsupervised inthe
vehicle.
! The
trunklid swings upwards when
opened. Therefore,make surethatthere is
sufficien tclearanc eabove thetrun klid.
The opening dimension sof the trun klid can be
found inthe "Vehicle data"section
(Y page 330). Tr
unk
85Opening andclosi ng Z

Opening
andclosing X
To open: pullremot eoperatin gswitch 0043
for the trun klid until thetrun klid opens.
If the trun kpartit ionwas closed, itopens
automatic allyand remains open.
X To close: pressremoteoperatin gswitch 0043
for the trun klid until thetrun klid isclosed.
When theroof isopen, thetrun kpartit ion
closes automatic ally.
You canopen andclose thetrun klid from the
driver's seatwhen thevehicle isstat ionary and
unlock ed. Locking
thetrunk separ ately
You canlock thetrun kseparately. Ifyou then
unlock thevehicle centrally, thetrun kremains
locked andcann otbe opened.
X Close thetrun klid.
X Take themechan icalkey outofthe Smart -
Key (Ypage 76). X
Inser tthe mechan icalkey into thetrun klid
lock asfar asitwill go.
X Turn themechan icalkey clock wisefrom
position 0047toposition 0048. X
Remove themechan icalkey.
X Inser tthe mechan icalkey into theSmart -
Key. Unlocking
thetrunk (mechanical
key)
! The
trunklid swings upwards when
opened. Therefore,make surethatthere is
sufficien tclearanc eabove thetrun klid.
If the trun kcann otbe unlock edwith the
Smart KeyorKEYLE SS-GO, usethemechan ical
key.
If you usethemechan icalkey tounlock and
open thetrun klid, the anti- theftalarm system
will betrigger ed.Switc hoff the alarm
(Y page 72).
X Take themechan icalkey outofthe Smart -
Key (Ypage 76).
X Inser tthe mechan icalkey into thetrun klid
lock asfar asitwill go. X
Turn themechan icalkey from position 0047
count er-clockwise asfar asitwill gotoposi-
tion 0048.Simultan eouslypullthetrun klid
handle.
The trunkis unlock ed.
X Turn themechan icalkey back toposition
0047 and remove it.
X Inser tthe mechan icalkey into theSmart -
Key. Emergency
releaseforthe trunk
You canunlock thetrun klid from theinside
with theemergen cyrelease button. 86
Tr
unkOpening andclosi ng