2020 MERCEDES-BENZ C-CLASS COUPE keyless

R
The trunk lid
If th eve hicle isno topened within appr oximat ely
40 seco ndsafte runloc king,itloc ksagain. Anti-
th eftpr otect ion isarmed again.
Do notke ep theSmar tKey toget her withelec‐
tr onic devices orme talobje cts. This canaffect
th eSmar tKey 's functionality . Ac
tiv atin g/deac tivatin gthe acoustic lock ing
ve rificat ion signa l Mult
imed iasystem:
4 Vehicle 5
î Vehicle Setting s
5 Aco ustic Lock #
Activate0073 ordeacti vate 0053 thefunc tion. Ac
tiv atin g/deac tivatin gthe pani calar m Re
quirement s:
R The ignit ionisswitc hedoff.
% The panic alarmfunc tion isonl yav ailable in
cer tain coun tries. #
Toactiv ate: press butt on1 forapp rox‐
ima tely one second.
A visual andaudibl ealar mistrigg ered. #
Todeac tivate: briefly pr ess button1 again.
or #
Press thest ar t/ stop butt ononthecoc kpit
(t he Smar tKey isinsid eth eve hicle). Changing
theunloc kingsettings Po
ssible unlockingfunctions oftheSmar tKey :
R Cen tralunlo cking
R Unloc kin gth edr iver's door andfuel filler flap #
Toswitc hbe tw een settings: press the
Ü andß buttonssimul taneousl yfo r
appr oximat elysix seco ndsuntilth ebatt ery
ch ecklam pflashes twice.
Op tions ifth eunloc kingfunction forth edr iver's
door andfuel filler flap has been selected:
R Pressing theÜ buttonasecon dtime cen‐
tra lly unloc kstheve hicle
R Vehicl eswith KEYLESS-GO :if yo uto uc h
th einner surface ofthedoor handle onthe
dr iver's door ,onl yth edr iver's door andfuel
fi ller flap areunlo cked. Deactiv
atingtheSm artK ey functio ns If
yo udo notuse theve hicle oraSmar tKey for
an extende dpe riod oftime, youcan reduce the
ener gycon sum ption ofthere spectiv eSmar tKey .
To do so, deactiv ateth eSmar tKey functions. #
Todeac tivate: press theß buttononthe
Smar tKey twi ce inqu ick succ ession .
The batterych ecklam pof theSmar tKey
fl ashes twicebr ief lyand light sup once. 64
Opening andclosing

Pr
oblems withKEYLESS-GO Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
Yo ucan nolongerloc kor unloc kth e
ve hicle using KEYLES S-GO. Po
ssible causes are:
R The keyfun ction sha ve been deactiv ated (/ page64 ).
R TheSma rtKe ybat tery isdisc hargedor near lydisc harged.
R Ther eis int erfere nce from apo we rful radio signal source.
R The Smar tKey isfaulty . #
Activateth eSmar tKey functions (/page64 ). #
Chec kth ebatt eryusing thebatt erych ecklam pand replace ifnec essar y(/ page65). #
Use theemer gency keyto unlo ckorloc kth eve hicle (/page65). #
Have theve hicle andSmar tKey checkedat aqu alif ied spec ialistwo rkshop. Ac
tiv atin g/deac tivatin gthe automati clo ck ‐
ing featur e The
vehicle isloc kedaut omatic allywhen the
ignit ionisswitc hedonand thewheels aretur n‐
ing faster than walkin gpace. 70
Openingand closing

#
Press there mo teopening switchfo rtr unk lid
1. #
Press closi ngbutt on1 onthetrunk lid.
Ve hicl eswith KEYLESS-GO #
Press locking button2 onthetrunk lid.
If aSmar tKey isde tected outsid eth eve hicle,
th etrunk lidwill close andtheve hicle willbe
loc ked. #
With thetrunk lidcom pletely op ened ,pr es s
and hold the008B buttonontheSmar tKey (wit
hth eSmar tKey inthevicin ityoftheve hi‐
cle).
Ve hicl eswith HANDS -FREEACCESS #
With thetrunk lidcom pletely op ened ,ma kea
kic king movement withyo ur foot belo wthe
bum per(/ page75 ).
Tr unk lidaut omatic reve rsing funct ion
If an objec tobs truct sth etrunk liddur ing the
aut omat icclo singpr oce ss,thetrunk lidwill
open again automaticall y.The automatic reve rs‐
ing func tion isonl yan aid and isno ta subs titute
fo ryo ur att entiven ess . #
Dur ing theclosing process, makesur eth at
no body partsarein theclosing area. &
WARNIN GRisk ofbeco ming trap ped
des pite reve rsing func tion
The reve rsefunc tion does notre act :
R Tosof t,light andthin obje cts, e.g. fing ers
R Overthelas t00C2 in(8 mm) oftheclosing
pat h. 74
Opening andclosing

Con
venience closing (closing theve hicl e
fr om outside ) &
WARNIN GRisk ofentr apment caused by
inadv ertent con venie nce closing
Whe nth econ venie nce closing featur eis
oper ating,par tsof thebody could become
tr apped intheclosing area oftheside win‐
do wand thesliding sunroof. #
Obser vethecom pleteclos ingproce‐
du re when usingconvenie nce closing. #
Whe nclo sing, makesur eth at no body
par tsarein theclosing area. #
Press and hold theß buttononthe
Smar tKey .
The follo wing functionsar eper form ed:
R The vehicle isloc ked. R
The side windo wsareclo sed.
R The pano ramic sliding sunr oofisclosed . #
Tointerru pt con venience closing: release
th eß button. #
Toclose thero ller sunblind s:press and
hold theß buttonagain.
% Con venie nce closing can also be operated
wi th KEYLESS- GO(/ page68). Pr
oble mswith theside windo ws &
WARNIN GRisk ofbeco ming trap ped or
fa ta lly injured ifre ve rsing protect ion is
no tactiv ated
If yo uclo seaside windowagain imm ediat ely
af te rit has been blocked, theside windo w will
close withincr eased ormaximum forc e.
The reve rsing featur ewill then notbe activ e.
Pa rts of thebody could become trapped in
th eclosing area inthepr ocess. #
Mak esur eth at no par tsof thebody are
in theclosing area. #
Tostop theclosing process, release the
butt onorpress thebutt onagain tore-
open theside windo w. Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
A side windo wcann otbe closed and
yo ucan notsee thecause. #
Chec kto see whether anyobjec tsarein thewindo wguide. #
Adjus tth eside windo ws. 80
Openin gand closing

Indicat
orlam p1 flashes whentheAT Asy stem
is armed.
The ATAsy stem isdeactiv ated aut omaticall yin
th efo llo wing situat ions:
R Afterunloc kingtheve hicle withth eSmar t‐
Ke y
R Afterunloc kingtheve hicle using KEYLES S-
GO R
Afterpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestow agecom partment
(/ page13 7)
% 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 320) .
% 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
(/ page13 7)
Dea ctivat ingth eala 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 inthestow agecom partment
(/ page13 7) Openi
ngand closi ng 87

Swi
tch-of fdel aytim e........... ................123
Int erior motion sensor
Ac tivati ng/d eactiv ating ........... ..............88
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 88
In te rm edia tedes tina tion
Ca lcu lating aro utewit hint ermed iate
des tinatio ns.........................................2 78
Ent ering ............ ................................... 278
Modifying ............................................. 278
St artin gan aut omat icga sst atio n
sear ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 277
St artin gth eaut omatic service sta‐
tio nsear ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 284
In te rn et
Callin gup awe bpag e.......................... 324
Closing thebr ows er............................3 25
Dele tingabookma rk<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 325
Dele tingbrows erdat a.........................3 25
Mana gingbookma rks ..................... ..... 325
Int erne tconne ction
Communication modulefunction ........ 322
Connection status ...............................3 23
Displ aying thecon nect ionstatus .... .... 323
Es tablishing ........ ............................ .....3 22 Inf
ormatio n....... ................................... 321
Re strictions <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .............321
Io niza tion
Ac tivati ng/d eactiv ating (mu ltimed ia
sy stem) .......................................... ...... 132
iPhone ®
see Apple CarPla y®
see Mercedes- BenzLink J
Jac k
St or ag elocation ................................... 412
Jum p-startconne ction ............................3 78
Gene ralno tes ...................................... 376 K
KEYLESS- GO
Loc kingth eve hicle ................................ 68
Pr oblem .................................................7 0
Un loc kin gse tting ............................ ...... 64
Un loc kin gth eve hicle ............................6 8
Kic kdow n.................................................1 50
Using ...................................................150 Knee
airbag ................................................ 40 L
Label ing(tires)
see Tire labeling
Lam p
see Interior light ing
Lam ps(Ins trum ent Displa y)
see Warning/ indic ator lam ps
Lane detection (automatic )
se eAc tiveLa ne Keeping Assist
Lane Keeping Assist
see ActiveLa ne Keeping Assist
Languag e.................................................2 65
No tes .................................................. 265
Se ttin g.................................................2 65
LA TC H-type (ISOFI X)child seat secur‐
ing system
In stallin g................................................ 55
Le velcontr olsystem
see AIRMA TIC
Light switch
Ov ervie w .............................................. 117 51
4
Inde x

Light
ing
see Inte rior lighting
see Lights
Lights ........................................................ 117
Ad aptiveHig hbeam Assis t...................1 20
Ad jus ting theins trument lighting ........ 227
Au tomatic driving lights..... .................. 118
Comb inationswit ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 118
Cor nering light func tion<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 120
Haza rdwa rning light s...........................1 19
High beam............ ...............................118
High -beamflasher ................................ 118
Light switch..... .....................................117
Lo w-beam headlam ps.......................... 117
Pa rking light s.................................. .....1 17
Re ar foglam p................................. ...... 117
Re sponsibili tyforlig hting systems .......1 17
Se tting theex terior lighting switch-
of fdela ytime ................................. ...... 121
Se tting thesur round lighting.......... .....1 22
St andi nglight s.....................................1 17
Tu rn signals .......................................... 118
Limit edWa rranty
Ve hicle ............................................. ..... 28 Liv
eTr af fic Inf orma tion
Dis playing subsc ript ion informatio n.... 290
Disp laying thetra ffic map .................... 291
Disp laying traffic inci dents <0011001100110011001100110011001100110011001100110011001100110011
00110011> 291
Ext endi ngasu bscr iption <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 290
Issu inghazar daler ts <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 292
Lo ad inde x(ti res) .................................... 404
Load-bear ingcapacity (tires) ................. 404
Loading ..................................................... 106
Bag hook<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>.....106
Car gotie-do wn rings <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> .106
Def initio ns....... ................................... .406
No tes ................................................... 101
Ro ofcar rier ......................................... 108
St ow agespac eunde rth etrunk floor ...108
Load ingguid elines .................................. 101
Load inginforma tion table ...................... 397
Load s
Sec uring .............................................. 101
Locat orlight ing
see Surround lighting Loc
king /unl ocking
Ac tivati ng/d eactiv ating theaut o‐
matic locking featur e.............................7 0
Emerg encykey ...................................... 71
KEYLESS- GO..........................................68
Un loc kin gand open ingdoor sfrom
th einside ..............................................6 8
Lo w-beam headla mps
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 117
Lu bricant additives
see Additiv es
Lu ggage
Pa rcel ne t............................................ 107
Secu ring <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 101
Lu mbar support
se eLu mbar support(4-w ay)
Lu mbar support(4 -w ay)...........................9 2 M
Maint enanc e
Menu (on-boa rdcom puter) ..... ............. 227
Ve hicle .................................................. 23 Inde
x51
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