belt MERCEDES-BENZ C-CLASS CABRIOLET 2019 Service Manual

1
Preceding letter
2 Nominal tirewidt hin millime ters
3 Aspe ctratio in%
4 Tire code
5 Rim diame ter
6 Load-be aring inde x
7 Speed rating
8 Loadind ex
0009 The datasho wnintheimag eis exam ple
dat a.
In fo rm atio nabout readin gtir edat acan be
obt aine dfrom anyqu alif ied spec ialistwo rkshop. Pr
eceding letter 1 1:
R Without :passeng ervehicle tires accor dingto
Eur opeanma nuf actu ring standar ds.
R "P": passe nger vehicle tires accor dingtoUS
manuf acturingstandar ds.
R "LT": light truc ktir es acc ordin gto US manu‐
fa ctur ingstandar ds.
R "T": com pact emer gency sparewheels with
high tirepr essur eth at areon lyde signe dfo r
te mp orar yuse inan emer gency .
As pec tra tio 3 3:
Ra tio betwee ntir ehe ight and tirewi dthin pe r‐
cent (tire height divided bytirewi dth).
Tir eco de 4 4
(tire type ):
R "R"ra dial tire
R "D": bias plytire
R "B": bias beltedtires
R "ZR": radial tirewit hamaximum speedabove
14 9mp h(2 40 km/h) (optional) Rim
diame ter5 5:
The diam eter ofthebead seat(notth ediame ter
of therim flang e).The rim dia me teris specif ied
in inc hes (in).
Load-be aring inde x6 6:
Numer icalcode that spec ifies themaximum
load-bear ingcapacity ofatir e(e.g. "91" cor re‐
sponds to1356 lbs (615 kg)).
The load-bear ingcapacity ofthetir emus tbe at
leas thalf theper missible axleload ofyour vehi‐
cle. Donotove rload thetir es by exc eeding the
specif iedload limit.
See also:
R Maximum permissible loadontheTire and
Loadi ngInfo rm atio nplacar d
(0013 page38 7)
R Max imum tireload (0013 page39 3)
R Load index
Speed ratin g7 7:
Spe cifiesth eappr ovedmaximum speedofthe
tir e. Wh
eelsand tires 39
5

R
"C", "D", "E":aload rang eth at depen dson
th emaximum loadthat thetir ecan carryata
cer tain pressur e Def
inition ofterm sfo rtir es and loadin g
Tir est ru ctu reand charact eristics :descr ibes
th enumber oflaye rs or thenumber ofrubber -
coat edbelts inthetir econ tact surface and the
tire wall.These aremade ofsteel, nylon, poly‐
es terand other materials.
Bar: metric unit fortir epr essu re.
14 .5038 pounds persqua re inc h(psi) and
10 0kilop ascal(kP a)istheeq uiv alent ofone bar.
DO T(Depar tment ofTranspo rtation ):DO T-
mar kedtir es fulf illthere qu iremen tsof the
US Depar tment ofTrans portatio n.
Av erag ewe ight oftheve hicl eoc cupants: the
num berof vehicle occupants forwhi chtheve hi‐
cle isdesigned, multiplied by150lb (68 kg).
Un ifor m Tire Quality Grading Standar ds:a
unif orm standar dto grade thequ alit yof tires
wit hre ga rd totrea dqu alit y,tiretracti onand
te mp eratur ech aract eristic s.The qualit ygr adin g asses
smentismade bythemanuf acturerfollo w‐
ing spec ificat ions from theU. S. government. The
qu alit ygr ade ofatir eis im print ed on theside
wa llof thetir e.
Re comm endedtir epr essu re:th ere comme n‐
ded tirepr ess ureis thetir epr essur especif ied
fo rth etir es mount edtotheve hicle atthefa c‐
to ry.
The tireand information table con tains there c‐
omme ndedtirepr ess ures forcold tires, themax‐
imum permissible loadandthemaximum per‐
missible vehicle speed.
The tirepr essur eta ble con tains there comme n‐
ded tirepr ess ures forcold tires under various
oper ating condit ions,i.e.loading and/orspeed
of theve hicle.
Incr eased vehicl ewe ight duetooptiona l
eq uip ment :th ecombin edweight ofall standar d
and optio nal equipme ntavailable forth eve hicle,
re ga rdless ofwhe ther itis actuall yins talled on
th eve hicle ornot.
Rim: thepar tof thewheel onwhic hth etir eis
ins talled. GA
WR (Gross AxleWe ight Ratin g):th eGA WR
is themaximum permissible axleload. The
actual loadonanaxle mustne verex ceed the
gr oss axle weight rating .The gross axlewe ight
ra ting canbefound ontheve hicle identif ication
plat eon theB‑pillar onthedr iver's side.
Speed ratin g:thespeed rating ispa rtof thetir e
identif ication .It specif iesthespeed rang efo r
whic hatir eis appr oved.
GV W(Gr oss Vehicl eWe ight ):th egr oss vehicle
we ight comprises thewe ight oftheve hicle
including fuel,tools, thespar ewheel, accesso‐
ri es installed, occupant s,lugg ageand thetra iler
dr aw bar nose weight ,if applicable. Thegross
ve hicle weight mustno texc eed thegr oss vehicle
we ight rating GVWR asspecif iedontheve hicle
identif ication plateon theB‑pillar onthedr iver's
side.
GV WR (Gross Vehicl eWe ight Ratin g):th e
GV WR isthemaximum permitt edgross weight
of thefull yladen vehicle (weight oftheve hicle
including allaccessor ies,occupants, fuel,lug‐
ga ge and thetra iler draw bar nose weight ifappli‐
cable). Thegross vehicle weight rating issp eci ‐ Wh
eelsand tires 39
7

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions 0007
Obser vethemessag eson themultifunc tiondispla y. 0007
Visit aqu alif ied spec ialistwo rkshop immediat ely. Seat
belts Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0076 Seat beltwarning lam p
light sup The
redseat beltwarning lam pwill light upforsix seconds oncetheengine hasstar ted.
In addition, awa rning tone maysou nd.
The seatbe ltwa rning lam pre minds thedr iver and front passeng ertofasten their seat belts. 0007
Fasten your seat belt(0013 page39 ).
If yo uha ve placed objectson thefront passeng erseat, theseat beltwarning lam pma yre main lit.
0076 Seat beltwarning lam p
fl ashes The
redseat beltwarning lam pflashes andanintermit tent wa rning tone sou nds.
The driver or front passe nger hasno tfa stened their seat beltwhile theve hicle isin mo tion. 0007
Fasten your seat belt(0013 page39 ).
Ther ear eobj ect son thefront passeng erseat. 0007
Remo vetheobjec tsfrom thefront passeng erseat. 47
6
Display messa gesand warning/ indic ator lam ps

Butt
ons
St eer ing wheel .....................................2 14 C
Call list
Mak ingacall ........ ...............................2 98
Ov ervie w ....... ................................... ...298
Call ingupthesound menu
Bur mes ter®
sur round soun dsy stem ...335
Calls ..........................................................2 94
Ac cep ting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ...............294
Ac tivati ng functio nsduring acal l......... 294
Ca lls wi th severalpar ticipant s........ .....2 94
Decl ining ............ ................................. 294
Endi ngacal l............ ........................ ....294
Incom ingcalldu ring anexistin gcall .... 295
Makin g................................................ 294
Vi ath eov erhead control panel
(Mer cedes meconnect ).................. ....3 05
Camer a
see 360° Camer a
see Rear vie wcam era
Car key
see Smar tKey Car
wash
see Care
Car wash (car e)....................................... 345
Car e..........................................................3 54
Air -water duct <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011> 344
Au tomatic carwash ........................ ..... 345
Car pet............................................. ....3 54
Deco rativ efo il .....................................3 48
Displ ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 354
Ext eriorlighti ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 352
Fo lding draftst op ................................ 352
Headliner ............................................. 354
Matt efinis h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ...............347
Pa int wo rk <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 347
Pl as tic trim <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 354
Po we rwa sher ................................. ..... 346
Re alwo od/tr imelements ............... ....3 54
Re ar vie wcam era .......................... ...... 352
Seat belts...................................... ...... 354
Seat cover..... ................................... ... 354
Sensor s..... ........................................ .. 352
Sof tto p .......................................... .....3 50
Ta ilpipes .............................................. 352
Wa shing byhand ................................. 346
Wheels/r ims....................................... 352 Wi
nd deflect or .....................................3 50
Wi nd screen <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>351
Wi ndo ws <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 352
Wi per blades .......................................3 52
Car gotie-do wnrings ...............................1 04
Car pet(C are) ....... ....................................354
Cha ngeof address .................................... 23
Cha ngeof ow ner ship ................................ 23
Changing awheel
Pr epar ation ......................................... 403
Ra ising theve hicle .............................. 404
Changing gears ....... ................................. 142
Manually ..............................................1 42
Chang inghub caps ................................. 404
Char acterentr y
On theto uc hpad .................................. 249
Using thecon troller ............................. 248
Cha rging
Bat tery (vehicle) .................................. 367
Child safetyloc k
Ac tivati ng/d eactiv ating (mu ltimed ia
sy stem) ............................................... 255 488
Index

see
Seat belt
Odome ter
see Totaldis tance
Oi l
see Engi neoil
On -bo ardco mp uter ...... ........................... 214
Assi stanc egr aphic menu.....................2 18
Dis play ing theser vice duedate........... 337
Head-up Displaymenu ........................ 223
Media menu ........................................2 22
Menu designs ......................................215
Menu overview ................................ .....2 14
Multifunction display............................2 16
Na vig ation system menu ..................... 220
Oper ating ...... ....................................... 214
Ra dio menu .........................................2 21
Ser vice menu <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 217
Te lephon emen u.................................. 222
Tr ip men u...... .................................. .....2 18
On-boar ddiagnos ticsinterface
see Diag nostics con nection
Open- sourcesof tware .............................. 32
Oper ating fluids
Ad ditiv es(fuel) ................................ .....4 15 Br
ak efluid ...................................... ...... 416
Coolan t(en gine) ............................ ...... 417
Engi neoil............. ................................415
Fu el(gasoline) ................................. ..... 414
No tes ................................................... 413
Re frig er ant (airconditio ningsystem) ...418
Wi ndsh ield wa sher fluid .................. .....4 17
Oper ating safety
48 Von-boa rdelectr icalsystem ............ 24
Decl arati on ofconf ormity (wirel ess
ve hicle component s)........................ ..... 26
EQ boos t................................................ 24
Inf ormation ...................................... ...... 24
Oper ating system
see On-bo ardcom puter
Oper ator' sMan ual
Ve hicle equipment ........................... ...... 22
Oper ator's Manual (digital) ......................2 0
Ov erhead controlpanel
Making calls(Mercedes meconn ect)
... ...................................................... ....3 05
Ov ervie w ....... ................................... ...... 14 P
Pa int code .................................................4 11
Pa intw ork(cleaning instructions) .......... 347
Pa nel heating
Se tting ................................................... 94
Pa nic alar m................................................ 63
Ac tivati ng/d eactiv ating ........... ..............63
Pa rk pos ition
Inser ting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> .............141
Sel ecting automatical ly<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 141
Pa rking
see Elec tric par kingbr ak e
Pa rking aid
see Parking AssistPA RK TRONI C
Pa rking Assis tPA RK TRONI C<0011001100110011001100110011001100110011001100110011001100110011
00110011> 186
Ac tivati ng ........... ................................. 188
Ad jus ting warning tones <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 189
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 186
Sid eim pa ct protect ion ........................ 187
Swi tching off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 188
Sy stem limit ations ...............................1 86 Inde
x505

Seat
..............................................8 7,88, 102
4-w aylumbar support...........................9 0
Ad jus ting (electr ica lly)............ ...............90
Ad jus ting (manuallyand electr ically) ..... 88
Co nfigur ing these ttings ........................ 92
Cor rect driver's seatpos ition ................ 87
Fo lding thebac kres t(r ear passeng er
com partmen t)bac k........................ ..... 103
Fo lding thebac kres t(r ear) forw ards .... 102
Fo lding thebac kres tfo rw ards/ back
(wit hmem oryfun ction ).........................9 3
Oper ating thememor yfunc tion ............ 99
Pa nel hea ting <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ................94
Re settin gth ese ttings ............................9 3
Se tting options <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 16
Swi tching AIRSC ARFon/of f<0011001100110011001100110011001100110011001100110011001100110011
00110011> 95
Se at belt <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 35
Fa stening ............................................... 39
Pr otect ion ....................................... .......3 5
Seat beltadjustment
Ac tivati ng/d eactiv ating ........... ..............40
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 40
Se at beltex tender .....................................3 8 Seat
beltwarning
see Seat belts
Seat belts ...................................................4 0
Ac tivati ng/d eactiv ating seat belt
ad jus tment ............................................ 40
Ca re <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 354
Re duced protect ion ...............................3 6
Re leasing ...............................................4 0
Sea tbel tad jus tment (function) ............. 40
Sea tbel tex tende r<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> .......38
Wa rning lam p.................................. ...... 40
Seat cover(C are) ............ ......................... 354
Se at hea ting
Ac tivati ng/d eactiv ating ........... ..............93
Se at ventilat ion
Switc hingon/o ff<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 95
Se cond telephone .................................... 291
Conn ecting .................................... ...... 291
Fe atur es.............................................. 291
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..... ....................................... 45
Sens ors(Car e).........................................3 52
Ser vicece nter
see Qualified speci alistwo rkshop
Ser vice interva ldisp lay
see ASSYST PLUS
Ser vice station search
St artin gaut omat icsear ch<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 273
Se tting aspeed
see Cruise control
Se tting summ ertime .............................. 250
Se tting theda te form at ....... .................... 251
Se tting thedis tance unit........................ 255
Se tting thema pscale
see Map
Shif tpa dd les
see Steer ing wheel paddle shifters
Shif ting gears
Gea rshif tre comme ndation <0011001100110011001100110011001100110011001100110011001100110011
00110011> 142 Inde
x509

Shor
tmessag es
see Text mes sage s
Side airbag .................................................4 0
Side impact protection ...........................1 87
Side windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 73
Closin g............................................ ...... 73
Closin g(all) ............ ........................ ........ 73
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 76
Con venie nce closing featur e.................. 76
Con venie nce openi ng <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...75
Opening .......................................... .......7 3
Opening (all).......................................... 73
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 75
Pr oblem .................................................7 6
Size designation (tires) ........................... 394
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 62
Ac ous ticlocking verificati onsignal ....... 63
Batt ery <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>64
Energy consumption............ ..................63
Fe atur es................................................ 62
Ke yring attachme nt<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....64
Mec hanical key ...................................... 64
Ov ervie w ............... ........................... ..... 62
Pa nic alar m <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>63Pr
ob lem <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011>65
Un loc kin gse tting ............................ ...... 63
Sma rtKe yfunctions
Deactiv ating.......................................... 63
Smar tphone
see Andr oidAuto
see Apple CarPla y™
see Mercedes-Benz Link
see Telephon e
Sno wch ains .............................................379
Soc ket(1 2 V) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 108
Fr ont cent erconsole ........................ ... 108
Fr ont passeng erfoot we ll................ .....1 09
Re ar passe nger com partment .............1 08
Sof tto p
Car e................................................ .... 350
Closin g(sof t-to pswitc h)........................ 78
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 76
Opening (soft-top switc h)............... .......7 8
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 75
Pr oblem .................................................8 4
Re loc kin g........................................ .......7 9
Sof t-top switc h.......................................... 78 Sof
twareupda te<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 258
Im por tant system updat es.................. 259
Inf ormation .......................................... 258
Pe rfor ming .......................................... 259
Sound PRE-S AFE®
Sound ................................. 49
Wheels andtires ..................................3 78
Sound see Burmes ter®
sur round soun dsy stem
see Sound settings
Sound settings ........................................3 35
Ad jus ting thebalance/f ader............... 335
Ad jus ting treb le,mid -rang eand bass
se tting s............. .................................. 335
Au tomatic volume adjustment .............3 35
Ca lls up thesound menu ..................... 335
Inf ormation .......................................... 335
Special seatbeltretract or <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 55
Spe ciali st wo rkshop ..................................2 7
Speec hdialog system
see Voice Cont rolSy stem
Speed index(tir es) ..................................3 94 51
0
Inde x