2020 MERCEDES-BENZ CLS Owners Manual

Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
The sliding sunroofcann otbe closed
and youcan notsee thecause. &
WARNIN GRisk ofbeco ming trap ped orfata linj uryby clos ingthesliding sunroofagain
If yo uclo sethesliding sunroofagain immediat elyaf te rit has been blockedor rese t,th esliding sunroof
closes withincr eased forc e.
Pa rts of thebody could become trapped intheclosing area inthepr ocess. #
Mak esur eth at no par tsof thebody arein theclosing area. #
Release thebutt onimmediat elyif somebody becomestrapped.
or #
Press thebutt oninanydir ect ion during theaut omatic closing process.
The closing process isstopped. If
th esliding sunroofisobs truct eddur ing closing andreopens again slightly: #
Immediat elyaf te rau tomatic reve rsing, pull and hold the0057 buttondown again tothepoint ofresis t‐
ance untilthesliding sunroofisclosed.
The sliding sunroofwill beclosed withincr eased forc e.
If th esliding sunroofisobs truct edagain and reopens again slightly: #
Repeat thepr ev ious step.
The sliding sunroofwill beclosed again withincr eased forc e. #
Push the0057 buttonuptothepoint ofresis tance anum berof time sunti lth esliding sunroofisfull y
open. Openin
gand closing 87

Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
Ve hicl eswithout apanor amicslid‐
ing sunr oof:The sliding sunroofdoes
no toper atesmoo thly. #
Pres sth e0057 buttonforano ther secon d. #
Close thesliding sunroof. Ro
ller sun blinds Ext
ending orretracti ngthe rear-wi ndo w
ro ller sunblind &
WARNIN GRisk ofentr apment when
ex tendi ng orretracti ngthero ller sun
blind
Body partscould becom eent rapped inthe
sw eep ofthero ller sun blind when itis being
ex tende dor retract ed. #
Makesur eth at no body partsarein the
sw eep ofthero ller sun blind when itis
being extende dor retract ed. #
Ifsom eone become strap pe d, briefly
pr ess thebutt onagain.
The opening orclosing process is
br ief lystopped. Theroller sun blind
th en retur ns toits star tin gposit ion. *
NO
TEDama gecau sed byobject s #
Mak esur eth at thero ller sun blind can
mo vefreely . #
Toextend orretract: press button 1. 88
Opening andclosing

Ant
i-thef tpr otection Fu
nction oftheimm obiliz er The
immo bilizerpreve nts your vehicle from being
st ar tedwit hout thecor rect Smar tKey .
The immobilizer isaut omaticall yactiv ated when
th eignition isswitc hedoffand deactiv ated when
th eignition isswitc hedon.
When leaving theve hicle, alwaysta ke theSmar t‐
Ke ywit hyo uand lockth eve hicle. Anyone can
st ar tth eengine ifava lid Smar tKey has been left
inside theve hicle.
% Intheeve nttheengine cannotbe star ted
(y et theve hicle ’sbatt eryis ch arge d), the
sy stem isno toper ational. Contactan
aut hor ized Mercedes- BenzCenteror call
1-8 00- FOR-MER Cedes (intheUS A)or
1-8 00- 387-0 100(in Canada). ATA
(anti-thef tala rm system) Fu
nction oftheATA system
If th eATA system isarmed, avisual andaudible
alar mistrigg ered inthefo llo wing situat ions:
R When adoor isopen ed
R When thetrunk lidisopened
R When thehood isopened
R When theint erior motion sensor istrigg ered
(/ page90)
R When theto w- aw ay alar mistrigg ered
(/ page90)
The ATAsy stem isarmed automaticall yaf te r
appr oximat elyte nseco ndsinthefo llo wing situa‐
tion s:
R Afterloc king theve hicle withth eSmar tKey
R Afterloc king theve hicle using KEYLES S-GO Indicat
orlam p1 flashes whentheAT Asy stem
is armed.
The ATAsy stem isdeactiv ated aut omatic allyin
th efo llo wing situat ions:
R Afterunloc kingtheve hicle withth eSmar t‐
Ke y
R Afterunloc kingtheve hicle using KEYLES S-
GO Opening
andclosing 89

R
Afterpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestow agecom partment
(/ page14 4)
% When theMer cedes‑ Benzemergency call
sy stem isactiv eand thealar mstay son for
mor eth an 30 sec onds, ames sageis aut o‐
mat icall ysen tto theCus tomer Assis tance
Ce nter (/ page 328) .
% Inthecase ofsevere batt erydisc harging,
th eanti- theftalar msystem isaut omaticall y
deactiv ated tofacil itat eth ene xt engine
st ar t.
Deact ivat ing theATA #
Press theÜ, ßor008B buttononthe
Smar tKey .
or #
Press thest ar t/ stop butt onwithth eSmar t‐
Ke yin thestow agecom partment
(/ page14 4)
De activ ating theala rm using KEYLESS-GO : #
Grasp theoutside doorhandle withth e
Smar tKey outside theve hicle. Fu
nction oftheto w- aw ay alar m %
This function mayno tbe available inall
coun tries.
An audible andvisual alarmistrigg ered ifan
alt eratio nto your vehicle's angleof inclination is
de tected whi letheto w- aw ay alar misarmed.
The tow- aw ay alar misaut omat icallyar med afte r
appr oximat ely60 seco nds:
R Afterloc king theve hicle withth eSmar tKey
R Afterloc king theve hicle using KEYLES S-GO
The tow- aw ay alar mison lyarmed when thefo l‐
lo wing compone ntsar eclos ed:
R The door s
R The trunk lid
The tow- aw ay alar misaut omat icallydeac tiva‐
te d:
R Afterpr essing theÜ or008B buttonon
th eSmar tKey
R Afterpr essing thest ar t/ stop butt onwithth e
Smar tKey inthemar kedspace (/page14 4) R
Afterunloc kingtheve hicle using KEYLES S-
GO
R When usingHAND S-FREE ACCES S
In fo rm atio non detecting damag eon apa rked
ve hicle (/page17 2). Ar
min g/dis armin gthe tow- aw ay alar m Mul
timedi asy stem:
4 Vehicle 5
î Vehicle Setting s
5 Tow-away Protection #
Activate0073 ordeacti vate 0053 thefunc tion.
The tow- aw ay alar misarmed again inthefo llo w‐
ing cases :
R The vehicle isunloc kedag ain.
R Adoor isopened.
R The vehicle isloc kedag ain. Fu
nction oftheint erior motion sensor %
This function mayno tbe available inall
coun tries. 90
Openingand closing

When
theint erior motion sensor isactiv ated, a
visual andaudible alarmistrigg ered ifmo ve‐
ment isde tected intheve hicle interior .
The interior motion sensor isactiv ated aut omati‐
cally afte rapp roxima tely tenseco nds:
R afte rloc king theve hicle withth eSmar tKey
R afte rloc king theve hicle using KEYLES S-GO
The interior motion sensor isonl yactiv ated
when thefo llo wing compone ntsar eclos ed:
R thedoor s
R thetrunk lid
The interior motion sensor isaut omaticall ydeac‐
tiv ated:
R afte rpr essing theÜ or008B buttonon
th eSmar tKey
R afte rpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestow agecom partment
(/ page14 4)
R afte runloc kingtheve hicle using KEYLES S-
GO
R when usingHAND S-FREE ACCES S The
follo wing situat ionscanlead toafa lse
alar m:
R movingobje ctssuc has masc otsin theve hi‐
cle interior
R when theside windo wisopen
R when thesliding sunroofisopen Ac
tiv atin g/deac tivatin gthe inte rior mo tion
sensor Mult
imedia system:
4 Vehicle 5
î Vehicle Setting s
5 Interior Motion Sensor #
Activate0073 ordeacti vate 0053 thefunc tion.
The interior motion sensor isactiv ated again in
th efo llo wing cases :
R The vehicle isunloc kedag ain.
R Adoor isopened.
R The vehicle isloc kedag ain. Openin
gand closin g91

No
teson thecor rect driver' sseat position &
WARNIN GRisk ofinju ryfrom adju sting
th eve hicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ions:
R ifyo uadj ustth edr iver's seat, thehead
re stra int ,th esteer ing wheel orthemir ror
while theve hicle isin mo tion
R ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int ,th e
st eer ing wheel orthemir rorand fasten
yo ur seat belt. En
sur eth efo llo wing when adjustingst eer ing
wheel 1,seat belt2and driver's seat 3:
R Youar esit tin gas faraw ay from thedr iver's
airbag aspossible, taking thefo llo wing
point sint ocon sider ation .
R Youar esit tin gin an upr ight position
R Your thighs areslight lysuppor tedby theseat
cushion R
Your legs areno tfull yex tende dand youcan
depr essthepedals proper ly
R The backof your head issuppo rted ateye
le ve lby thecent erofthehead restra int
R Youcan hold thesteer ing wheel withyo ur
ar ms sligh tly ben t
R Youcan moveyour legs freel y
R Youcan seeallthedispla yson theins tru‐
ment clusterclea rly
R Youha ve agood overvie wof thetra ffic con ‐
dition s
R Your seat beltsitssn ug lyag ains tyo ur body
and pass esacr oss thecent erofyour sho ul‐
der and across your hips inthepelvic area 92
Seats andstow ing

Seats
Ad
jus tingthe fron tse at mec hanicall yand
el ec tric all y &
WARNIN GRisk ofbeco ming trap ped if
th eseats areadjus tedby childr en
Childr encould becom etrapped ifth ey adjus t
th eseats, particular lywhen unattended. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. The
seats canbeadjus tedwhen theignition is
switc hedoff. &
WARNIN GRisk ofbeco ming trap ped
whe nad jus ting theseats
When youadj usta seat ,yo uor other vehicle
occupants couldbecome trapped, e.g.onthe
seat guide rail. #
When adjustingaseat, makesur eth at
no onehas anybody partsinthesw eep
of theseat. Obser
vethesaf etyno teson "Airbags" and"Chil‐
dr en intheve hicle". &
WARNIN GRisk ofacci dent dueto the
dr iver's seat notbeing engaged
If th edr iver's seat isno teng aged, itcould
mo veune xpectedl ywhile theve hicle isin
mo tion.
This could cause youto lose control of the
ve hicle. #
Alw aysmak esur eth at thedr iver's seat
is eng aged bef orest ar tin gth eve hicle. &
WARNIN GRisk ofbeco ming trap ped if
th eseat height isadjus tedcar elessl y
If yo uadj ustth eseat height carelessly ,yo u
or other vehicle occupants couldbetrapped
and ther eb yinjur ed. Childr
eninpar ticular couldacciden tally
pr ess theelectr icalseat adjus tmentbutt ons
and become trapped. #
While moving theseats, makesur eth at
han dsorother body partsdo notget
und ertheleve rasse mbly oftheseat
adjus tmentsy stem. &
WARNIN GRisk ofinju rydue tohead
re stra int swhic har eno tins talled orare
adjus tedinco rrect ly
If head restra int sar eno tins talled orare
adjus tedincor rectly ,th ehead restra int scan ‐
no tpr ov ide protect ion asintended.
Ther eis an incr eased risk ofinjur yin the
head andneckar ea, e.g. intheeve ntofan
acci dent or wh en braki ng. #
Alw aysdr ive wit hth ehead restra int s
ins talled. #
Beforedr ivin gof f,mak esur efo rev ery
ve hicle occupant that thecent erofthe
head restra int suppor tsthebac kof the
head atabout eyeleve l. Seat
sand stow ing 93

Do
notint erch ang eth ehead restra int sof the
fr ont and rear seat s.Ot her wise, youwill notbe
able toadjus tth eheight andangleof thehead
re stra int scor rectl y.
Ad jus tth ehead restra int fore -and -aftpos ition so
th at itis as clo seasposs ibletothebac kof your
head. &
WARNIN GRisk ofinju ryor deat hdue to
inc orrect sea tpos ition
The seatbel tdoe sno tof ferth eint ended
le ve lof protect ion ifyo uha ve notmo vedth e
seat backres tto an almos tve rtical posit ion.
When brakin gor intheeve ntofan acci dent,
yo uco uld slide underne athth eseat beltand
sus tain abdomin alor nec kinj uries, forex am‐
ple. #
Adjus tth eseat proper lybef orebegin‐
ning your jour ne y. #
Alw aysensur eth at theseat backres tis
in an almos tve rtical posit ionand that
th eshoulder sectionofyour seat beltis
ro uted acr oss thecent erofyour sho ul‐
der . 1
Seatcus hion inclinatio n
2 Seatheig ht
3 Seatbac kres tinc linatio n
4 Seatfo re -and -aftpos ition
5 Seatcus hion lengt h #
Toadjus tth eseat fore -and-af tposi tion:
lif tle ve r4 and slideth eseat intoth e
desir edposition . #
Mak esur eth at theseat iseng aged inposi‐
tion . #
Toadjus tth eseat cushionlengt h:liftle ve r
5 and slide thefront sect ionoftheseat
cushion forw ards orbac kwards. 1
Higher
2 Softer 94
Seatsand stow ing