2021 MERCEDES-BENZ C CLASS sunroof

R
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 inthestor ag ecom partmen t
(/ page13 3)
R Afterunloc kingtheve hicle using KEYLES S-
GO
R When usingHAND S-FREE ACCES S
In fo rm atio non collision detection onapa rked
ve hicle (/page15 6). 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.
When theint erior motion sensor isarmed, avis‐
ual and audible alarmistrigg ered ifmo vement is
de tected intheve hicle interior .
The interior motion sensor isarmed automati‐
cally afte rapp roxima tely tenseco nds:
R Afterloc king theve hicle withth eSmar tKey
R Afterloc king theve hicle using KEYLES S-GO
The interior motion sensor isonl yar med when
th efo llo wing compone ntsar eclos ed:
R Doo rs
R Trunk lid The
interior motionsen sor isaut omat icallydeac ‐
tiv ated:
R Afterpr essing theÜ or008B buttonon
th eSmar tKey
R Afterpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestor ag ecom partmen t
(/ page13 3)
R Afterunloc 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
R When thepanor amicsliding sunroofisopen Openin
gand closing 87

#
Vehicles withth ro ugh- loadin gfe atur ein the
re ar ben chseat :fo ld up thetie-do wneyes. #
Hook parcel net1 intoth efront and rear
tie -do wn eyes. #
Vehicles without ath ro ugh- loadin gfe atur ein
th ere ar ben chseat :hook therings intoth e
par cel nethook s1. #
Place therings intoth ehook son thetrunk
fl oor . At
tac hin garo of lugg agera ck &
WARNIN GRisk ofacci dent dueto
exc eeding themaximum roof load
The vehicle centerofgrav ity and theusual
dr iving charact eristic sas wellas thesteer ing
and braking charact eristic salt er.
If yo uexc eed themaximum roof load, the
dr iving charact eristic s,as wellas steer ing
and braking, willbegreatl yim pair ed. #
Neverexc eed themaximum roof load
and adjus tyo ur drivin gst yle. Yo
uwill find informa tionon themaximum roof
load inthe"T ec hnical data"sect ion.
* NO
TEVehicle damag efrom non-
appr ovedro of lugg agera ck s The
vehicle could bedamag edbyroof lug‐
ga ge rack sth at have notbe en tested and
appr ovedfo rMer cedes-Benz. #
Use onlyro of lugg agera ck ste sted and
appr ovedfo rMer cedes-Benz. #
Dependi ngon theve hicle equipment,
ensur eth at thesliding sunroofcan be
full yra ised when thero of lugg agera ck
is ins talled. #
Depe ndingon theve hicle equipment,
ensur eth at thetrunk lidcan befully
opened whenthero of lugg agera ck is
ins talled. #
Position theload onthero of lugg age
ra ck insuc hawa yth at theve hicle will
no tsus tain damag eev en when itis in
mo tion . *
NO
TEDama getothepanor amaroof wit h
po we rtilt/sli dingpanel duetonon-
ap prove dro of lugg agera ck s The
panor amaroof wit hpo we rtilt/sli ding
panel maybe dama gedby thero of lugg age
ra ck ifyo uatt em pttoopen itwhen usinga
ro of lugg agera ck notte sted and appr oved
fo rMer cedes-Benz. #
When aro of lugg agera ck isins talled,
open thepanor amaroof wit hpo we r Sea
tsand stow ing 10
9

til
t/sl iding panel only ifth is has been
te sted and appr oved forMer cedes-
Benz.
The panor amaroof wit hpo we rtilt/sli ding
panel maybe raised toallo wventil ation of
th eve hicle interior . *
NO
TEDama getothesliding sunroof
when aro of lugg agera ck isins talled The
sliding sunroofmaybe damag edbythe
ro of lugg agera ck ifyo uatt em pttoopen it
when aro of lugg agera ck isins talled. #
Donotopen thesliding sunroofwhen a
ro of lugg agera ck isins talled.
In order toallo wventil ation oftheve hicle
int erior ,yo ucan raise thesliding sunroof. *
NO
TEDama getotheco vers The
covers ma ybe dama gedand scratc hed
when being opened. #
Donotuse metallic orhar dobje cts. #
Carefull yfo ld covers 1 upw ards inthe
dir ect ion ofthear row . #
Secu rethero of lugg agera ck tothefa stening
point sbeneat hco vers 1 . #
Com plywit hth eins tallation instruct ions of
th ero of lugg agera ck manuf acturer. #
Secur eth eload onthero of lugg agera ck . Soc
kets Us
ingthe 12Vso cket Re
quirement s:
R Onlyde vices uptoamax imum of180W
(1 5 A) areper missi ble.
Dependi ngon theve hicle equipment, theve hicle
has thefo llo wing 12Vsoc kets:
R Inthestor ag ecom partmen tin thefront cen‐
te rconsole
R Inthefront passeng erfoot we ll
R Inthestor ag ecom partmen tin thecent er
con sole ofthere ar passe nger com partment 11
0
Sea tsand stow ing

R
The fuel tank issu fficien tly full.
R The star terbatt eryis suf ficie ntly charge d.
Char ging thest ar terbatt erybe fore star ting
th ejou rney
If th eve hicle batteryis disc harged, youcan
re cei veames sageon your smar tphon e.Youcan
th en star tth eve hicle withth esmar tphon eto
ch arge thebatt ery. The vehicle isaut omatically
switc hedoffaf te rte nminu tes.
Ensur eth efo llo wing beforest ar tin gth eengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin est ar tin gvia
smar tphon e.
R Itis saf eto star tand runth eengine where
yo ur vehicle ispar ked.
R The fuel tank issu fficien tly full. St
arting theve hicl e(R emo teOnline) &
WARNIN GRisk ofcrus hing orentr ap‐
ment dueto unin tentio nalstar tin gof the
engine
Limbs couldbecrushed ortrapped ifth e
engine isstar tedunint entionall ydur ing
ser vice ormaint enanc ewo rk. #
Alw ayssecur eth eengine agains tunin‐
te ntio nalstar tin gbef orecar rying out
maint enanceorrepair work. Re
quirement s:
R Park position 005Disselect ed.
R The anti- theftalar msystem isno tactiv ated.
R The panic alarmisno tactiv ated.
R The hazar dwa rning light system isswitc hed
of f.
R The hood isclosed.
R The door sar eclosed andlocked.
R The windo wsand slidin gsun roof areclosed. #
Startth eve hicle using thesmar tphon e.
Af tereve ryengine star t,th eengine runs for
te nminu tes.
Yo ucan carryout amaximum oftwoconsec u‐
tiv est ar tin gatt em pts. Yo umus tst ar tth eve hicle
once withth eSmar tKey bef oretrying tostar t
th eengine again withth esmar tphon e.Youcan
st op theve hicle again atanytime.
% Further information canbefound inthe
smar tphone app.
Secur ingtheengine agains tst ar ting before
car rying out maintenance orrepair work: #
Swi tchon thehazar dwa rning light system.
or #
Unloc kth edoor s.
or #
Open aside windo wor thesliding sunroof. 13
4
Driving and parking

#
Eng agetrans mis sion positio n005D inast atio n‐
ar yve hicle withth ebr ak epedal applied
(/ page14 5). #
Switc hof fth eengine andtheignition by
pr essing button1. #
Release theser vice brak eslo wly. #
Getout oftheve hicle andlockit.
% When youpar kth eve hicle, youcan still
opera tetheside windo wsand thesliding
sunr oofforapp roxima tely four min utes ifth e
dr iver's door isclosed.
% When youpar kth eve hicle, youcan still
opera tetheside windo wsand thepanor amic
sliding sunroofforapp roxima tely four
min utes ifth edr iver's door isclosed. Gar
agedoor opener Pr
og rammin gbutt onsfo rthe garage doo r
ope ner &
DANG ER Risk ofdeat hcause dby
ex haus tga ses
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealt h
and leads topoisonin g. #
Neverlea vetheengine or,if pr esent ,
th eauxiliar yheating running inan
encl osedspa cewithout sufficie ntventi‐
la tio n. &
WARNIN GRisk ofinju rywhen opening
or clos ingadoor withth ega rage door
opener
When youoper ateor program thedoor with
th eint egr ated garage door opener ,per sons
in thera ng eof mo vement ofthedoor may
become trapped orbe stru ck bythedoor . #
Alw aysmak esur eth at nobody iswit hin
th era ng eof mo vement ofthedoor . Onl
yoper ateth efo llo wing doorsusing the
ga rage door opener :
R Door swit hasaf etyst op and reve rsing fea‐
tur e
R Doorswhic hcon form tothecur rent U.S.
sa fety standar ds
Re quirement s:
R The vehicle hasbeen parkedoutside the
ga rage oroutside thera ng eof mo vement of
th edoor .
R The engine isswitc hedoff.
R The ignition isswitc hedon.
% The garage door opener function isalw ays
av ailable whentheignition isswitc hedon. 15
2
Driving and parking

No
teson tech nical data
* NO
TEMercede s-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. The
data stat ed onlyapplies tovehicles with
st andar deq uipme nt.Yo ucan obtain further
inf ormation from anaut hor ized Mercedes- Benz
Cent er. Ve
hicl eele ctroni cs Tw
o-w ayradio s No
teson installing two-w ayradio s &
WARNIN GRisk ofacci dent dueto
im proper workon two-w ayradios
If tw o-w ayradios aremanipulat edorretrof it‐
te dincor rectl y,theelectr omagne ticradiation
fr om thetw o-w ayradios caninterfere wit h
th eve hicle electr onics andjeopar dizethe
oper ating safetyof theve hicle. #
Yousho uld have all workon electr ical
and electr oniccomponent scar ried out
at aqu alif ied spec ialistwo rkshop. &
WARNIN GRisk ofacci dent dueto
im proper opera tionoftwo-w ayradios
If yo uuse two-wa yra dios intheve hicle
im proper ly,th eir electr omagne ticradiation
can disruptth eve hicle's electronics. Thisis
th ecase inthefo llo wing situat ions,in par tic‐
ular :
R The two-w ayradio isno tcon nectedto an
ex terior ant enna.
R The exterior ant enna isins talled incor‐
re ctly orisno ta low- reflect ion antenn a.
This could jeopar dizetheoper ating safetyof
th eve hicle. #
Have thelow- reflect ion exterior
ant enna installed ataqu alif ied spec ial‐
is two rkshop. #
When operating two-w ayradios inthe
ve hicle, alwaysconn ectthem tothe
lo w- reflect ion exterior ant enna. *
NO
TEInva lidation oftheoper ating per‐
mit due tofailur eto com plywith the
ins truct ions forins tallation anduse The
oper atingper mit maybe inva lidat edif
th eins truction sfo rins tallation anduseof
tw o-w ayradios areno tobser ved. #
Onlyuse appr oved freq uency bands. #
Obser vethemaximum permissible out‐
put powe rin these freq uency bands. #
Onlyuse appr oved ant enn aposition s. On
vehicles withapanor amicsliding sunroof,
ins talling anant enn ato thefront orrear roof
ar ea isno tper mitt ed.
Use Tech nica lSpe cifica tionISO/T S21 609 (Road
Ve hicles –"EMCs forins tallation ofafte rm arke t
ra dio freq uency transmit tingeq uipment ")when
re trof itti ng two-w ayradios. Complywithth e
leg alrequ iremen tsforde tach able parts. 366
Tech nica lda ta

Seat
beltwarning
see Seat belts
Seat belts
Ac tivati ng/d eactiv ating seat belt
ad jus tment ........... ...................................41
Ad jus ting theheight... ............................. 40
Cent errear seat (releasi ng).<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 39
Fa stening.. ............................................... 40
Re duced protect ion.. ...............................3 8
Re leasing .................................................4 1
Sea tbel tad jus tment (function) ............... 40
Wa rning lam p................................... ........ 41
Seat cover(C are)...... ............ ..................... 312
Seat heating
Ac tivati ng/d eactiv ating........... ................96
Se at ventilat ion
Ac tivati ng/d eactiv ating........... ................97
Second telephone
Conn ecting... .........................................2 59
Fe atur es................................................ 259
Select ingage ar
see Changing gears Select
orleve r
see DIRECT SELECTleve r
Self-t est
Au tomatic front pass engerfront air‐
bag shut off..... .........................................4 6
Sensor s(car e)............................................ 311
Ser vice center
see Qualif iedspecialis two rkshop
Ser vice interva ldisp lay
see ASSYST PLUS
Ser vice station search
St artin gaut omat icsear ch<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 242
Se tting aspeed
see Cruise control
Se tting summ ertime.... ............................2 22
Se tting theda te form at....... ..................... 223
Se tting thedis tance unit.......................... 226
Se tting thema pscale
see Map
Shif tpa dd les
see Steer ing wheel paddle shifters Shif
ting gears
Gea rshif tre comme nda<0057004C00520051001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 146
Shor tmessag es
see Text mes sage s
Side airbag.. .................................................4 1
Side impact protection. ............................ 197
Side windo ws
Child safetyloc kin there ar
passe nger com partment. ........................ 63
Closin g....................................................7 6
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 79
Co nvenienc eclosing featur e...................7 9
Con venie nce openi ng<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ......78
Opening... ................................................ 76
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 78
Pr oblem. .................................................. 79
Ro ller sunblin d.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 84
Size designation (tires) ............................. 350
Sliding sunroof
Au tomatic featur es..................................8 2
Closin g....................................................8 0
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 79
Ope <0051004C0051004A001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 80
Ope ning with theSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 78 Inde
x465