2021 MERCEDES-BENZ GLC COUPE roof

#
Tostar taut omatic operation :pr ess the
0057 buttonbeyond thepoint ofresis tance
or pulland release it. #
Tointerru pt aut omatic operation :br ief ly
pr ess the0057 buttoninanydir ect ion.
The opening /closingpr ocess willbestop‐
ped.
Ve hicl eswithout apanor amaroof wit h
po we rtil t/s lidin gpane l:The automatic open‐
ing and raising featur esareav ailable onlywh en
th esliding sunroofisclosed.
Au tomatic reve rsing funct ionoftheslidi ng
sunr oof
If an obs tacle obs tructs thesliding sunroofdur‐
ing theclosing process, thesliding sunroofwill
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 there ve rsing func tion being
act ive
In par ticular ,th ere ve rsing func tion does not
re act :
R Tosof t,light andthin obje cts, e.g. fin‐
ge rs.
R Towa rdsth eend oftheclosing proce‐
dur e.
R Dur ing rese ttin g. #
Dur ing theclosing process, makesur e
th at no body partsarein theclosing
ar ea. #
Release thebutt onimmediat elyif
somebody becomestrapped.
or #
Brief lypress thebutt oninanydir ect ion
dur ing automatic operation.
The closing process willbestopped. Re
ctif ying problem swit hth eslidi ngsunr oof &
WARNIN GRisk ofbeco ming trap ped or
fa ta linj uries when thesliding sunroofis
closed again
If th esliding sunroofisclosed again immedi‐
at ely afte rit has been blockedor rese t,itwill
close withincr eased forc e. #
Mak esur eth at no par tsof thebody are
in theclosing area. #
Release thebutt onimmediat elyif
somebody becomestrapped.
or #
Brief lypress thebutt oninanydir ect ion
dur ing theaut omatic closing process.
The closing process willbestopped. The
sliding sunroofcanno tbe closed andyou
cann otsee thecaus e.
If th esliding sunroofisobs truct eddur ing closing
and reopens again slightl y: #
Immediat elyaf te rau tomatic reve rsing, pull
and hold the0057 buttondown again tothe Opening
andclosing 83

point
ofresis tance untilth esliding sunroofis
closed.
The sliding sunroofwill beclosed with
incr eased forc e.
If th esliding sunroofisobs truct edagain and
opens again slightl y: #
Repeat thepr ev ious step.
The sliding sunroofwill beclosed again with
incr eased forc e.
Ve hicl eswithout apanor amaroof wit h
po we rtil t/s lidin gpane l:The slidi ng sun roof
is no toper ating smoo thly. #
Resetth esliding sunroof.
Re setting theslidi ngsunr oof #
Push the0057 buttonuptothepoint of
re sis tance repeat edlyuntil thesliding sun‐
ro of isfully open. #
Press the0057 buttonforano ther secon d. #
Close thesliding sunroof. Ro
ller sun blinds Ext
ending there ar side windo wroller sun‐
blinds *
NO
TEDama getotheiner tiareel due to
it snapp ingback If
sudden lysnappe dbac k,theiner tiareel
ma ybe damag ed. #
Alw aysmo vethero ller sun blind by
hand. #
Donotdr ive wit hth ero ller sun blind
hook edinand side windo wsopened at
th esame time. #
Pull thero ller sunblin dout bytab1 and
hook itont obr ac kets 2 attheto pof the
windo w. 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 . 84
Opening andclosing

The
interior motion sensor isaut omaticall ydeac‐
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
(/ page14 0)
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 Ar
ming/deact ivating theint erior motion sen‐
sor Multi
media system:
4 © 5
Set ting s5
Quick Access #
Activateor deacti vate Interior MotionSen-
sor.
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.
% Ifqu ick acc ess isuna vailable, selectth e
Vehicle menuunder Settings toact ivat eor
deac tivateth eint erior motion sensor . Openin
gand closing 87

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 theta ilg atecan befully
open edwhen thero 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 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 . 11
4
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. Dr
iving andparking 14
1

*
NO
TEDama gefrom automatic braking If
one ofthefo llo wing functionsis switc hed
on, theve hicle brak es aut omatically incer‐
ta in situat ions:
R ActiveBr ak eAssi st
R ActiveDis tance AssistDIS TRONI C
R HOLD functio n
R ActivePa rking Assist
To avo iddamag eto theve hicle, deactiv ate
th ese systems inthefo llo wing orsimilar sit‐
uation s: #
Dur ing towing #
Inacar wash *
NO
TEDama gedue touns uitable car
wa sh #
Beforedr iving intoacar wash mak e
sur eth at thecar wash issuit able for
th eve hicle dimensions. #
Ensur eth er eis suf ficie ntgrou nd clear‐
ance between theunderbody andthe
guide rails ofthecar wash. #
Ensur eth at theclear ance widthof the
car wash, inpar ticular thewidt hof the
guide rails, issuf ficie nt. To
avo iddamag eto your vehicle when usinga
car wash, ensur eth efo llo wing beforehand:
R ActiveDis tance AssistDIS TRONI Cis de acti ‐
va ted.
R The HOLD function isswitc hedoff.
R The surround viewcam eraor there ar vie w
cam erais swit ched off.
R The side windo wsand slidin gsun roof are
com pletely clos ed.
R The blowe rfo rth eve ntil ation/he ating is
sw itched off.
R The windsh ield wipe rsw itchis in po sitio n
005A.
R The Sma rtKe yis at amin imum distance of
10 ft(3 m) away from theve hicle. Other wise
th eta ilg atecould openunintentio nally. R
Inautomatic carwashes withcon veyo rsy s‐
te ms:
- Neutr al005C iseng aged.
- Ifyo uwo uld liketo lea vetheve hicle while
it is being washed, makesur eth eSmar t‐
Ke yis loc ated intheve hicle. Thepark
position 005Disother wise automaticall y
eng aged.
% If,afte rth ecar wash, youre mo vethewa x
fr om thewindshield andwiper rubber s,this
will preve ntsme aring and reduce wiper
noise. No
teson using apo we rwa sher &
WARNIN GRisk ofan acci dent when
us ing powe rwa sher swit hro und -spr ay
nozzl es
The waterje tcan caus eex tern all yin visi ble
damag e.
Com ponentsdamag edinthis wa yma yune x‐
pec tedly fail. Maint
enanceand care27
9

1
Front roof area
2 Rear roof area
3 Rear fende rs
On there ar fende rs,it is recomme ndedthat you
ins tallth eant enn aon theside oftheve hicle
closes tto thecent erofthero ad.
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.
If yo ur vehicle hasinstallation sfo rtw o-w ayradio
eq uipment ,use thepo we rsupp lyand antenn a
con nectors prov ided inthepr e-ins tallation .
Obser vethemanuf acturer'ssupplement swhen
ins talling.
Tw o-w ayradio transmi ssion output
The maxi mum transm ission outpu t(PEAK) atthe
base oftheant enn amus tno texc eed theva lues
in thefo llo wing table.
Fr eq uency bandandmaxim um transm ission
out put Fr
eq uency band Maximumtransm is‐
sion output
Sho rtwa ve
3 -54 MHz (1
00 W)
4 m freq uency band
74 -88 MHz (30
W) Fr
eq uency band Maximumtransm is‐
sion output
2 m freq uenc yband
14 4-17 4MHz (50
W)
Te rres trial Trunk ed
Ra dio (TETRA)
380 -460 MHz (1
0 W)
70 cm freq uency
band
400 -460 MHz (35
W)
Tw o-w ayradio
(2G/3G/ 4G) (1
0 W) The
follo wing canbeused intheve hicle without
re strictions :
R Two-w ayradios withamaximum transmis ‐
sion output ofup to100mW
R RFtransmi tter swit htransmi tter freq uenci es
in the380 -41 0MHz freq uency bandanda
maximu mtransmi ssionoutpu tof up to2W
(TETR A) 338
Tech nica lda ta

Ro
ofload All
mod els
Maxim umroof load 165lb (75 kg ) Tr
aile rhitc h Gene
ralno teson thetrailer hitch Modif
ications totheengine cooling system may
be neces sary,dependin gon theve hicle model.
The retrof itti ng ofatrai le rhi tc his only perm issi‐
ble ifato wing capac ityisspec ified inyour vehi‐
cle documents.
Fu rther information canbeobt ained ataqu ali‐
fi ed specialis two rkshop. To
wing capacit y The
tongu ewe ight isno tinc luded intheto wing
capac ity.
Missi ngvalues werenotav ailable atthetime of
going topress. To
wing capacit y,brak ed (at aminim umstar t-
of fgr adeabi lityof12%) Model
Towing capacit y,
br ak ed
GL C300 4MATIC To
wing capacit y,unbr aked Model
Towing capacit y,
unbr aked
GL C300 4MATIC Maximal
tongue weight andload capacity *
NO
TEDama gecau sed bythetrailer
comin gloose If
th eto ngu ewe ight used istoolow, the
tr ai le rma ycome loose . #
Theto ngu ewe ight mustno tbe belo w
11 0.2 lbs(50 kg). #
Use ato ngu ewe ight that isas clo seas
poss ibletothemaximum permissible
to ngu ewe ight . Missin
gva lues werenotav ailable atthetime of
going topress.
To ngue weight Model
Maximum
to ngue
we ight
GL C300 4MATIC Load
capacity Model
Maximum
load
All models Pe
rm issible rear axle load (traile roper ation ) Miss
ingvalues werenotav ailable atthetime of
going topress. Te
ch nica lda ta 34
9