ECU MERCEDES-BENZ C-CLASS CABRIOLET 2021 Owner's Manual

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
* The yello w0024 indicator lam pis lit and there d0049 (USAonl y)or 0024 (Canada only)indicat orlam pis flashin g.
The electric par kingbr ak eis malf unctionin g.
The electric par kingbr ak ecoul dno tbe applied orreleased. #
Swit chtheignition offand switc hit bac kon.
To appl y: #
Release andthen apply theelectr icpar king brak emanuall y(/ page14 8).
To release: #
Appl yand then release theelectr icpar king brak emanuall y.
If th eelectr icpar king brak ecann otbe applied orthere d0049 (USAonl y)or 0024 (Canada only)indicat orlam p
con tinues toflash: #
Donotcon tinue drivin g.Con sult aqu alif ied spec ialistwo rkshop. #
Wher enecessar y,also secureth epar kedve hicle agains tro lling away.
* The yello w0024 indicator lam pis lit and there d0049 indicat orlam p(US Aonl y)or 0024 indicat orlam p(Can‐
ada only)flashes forapp roxima tely tenseco ndsafte rth eelectr icpar king brak ehas been applied orreleased. It
th en remains litor goes out.Theelectr icpar king brak eis malfu nctioning.
If th ech arge leve lis toolo w: #
Char gethe12 Vbatt ery. 41
8
Display messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
To appl y: #
Swi tchth eignition off.
The electr icpar king brak ewill beapplied automaticall y.
If yo udo notwa nttheelectr icpar king brak eto be applied, e.g.atan aut omatic carwash orwhen theve hicle is
being towe d,lea vetheignition switchedon.This does notinclude having theve hicle towe dwit hth ere ar axle
ra ised.
If th eelectr icpar king brak eis no tapplied automaticall y: #
Switc hth eignition offand switc hit bac kon. #
Release andthen apply theelectr icpar king brak emanuall y(/ page14 8).
If it is still no tpossible toappl yth eelectr icpar king brak e: #
Consult aqu alif ied spec ialistwo rkshop. #
Wher enecessar y,also secureth epar kedve hicle agains tro lling away.
To release: #
Ifth econ ditions forau tomatic release arefulf illed andtheelectr icpar king brak eis no tre leased automat ically,
re lease theelectr icpar king brak emanuall y(/ page14 8).
If it is still no tpossible torelease theelectr icpar king brak e: #
Donotcon tinue driving. Consult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 41
9

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
R Hea vyrain, sno wor fog
Dr iving systems anddriving safetysy stems maybe malfunct ioningortemp orarily una vailable.
Onc eth ecause ofthepr oblem isno long erpresent ,th edr iving systems anddriving safetysy stems willbeavailable
ag ain.
If th edispla ymessag edoes notdisappear : #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Clean thewindshield.
ä Malfunct ionDrive atMax.
50 mph *A
IRMA TICisfunctioning onlytoalimit edextent. The vehicle's handling charact eristic sma ybe affect ed.
* NO
TEThe tires on thefront axle orthefe nde rscou ldbe damag edbylarge steer ing movements #
Avoid larg esteer ing movements whiledr iving andlistenfo rscr aping sounds . #
Ifyo uhear scraping sounds, pulloverand stop theve hicle inaccor dance withth etra ffic con dition s,and
se ta higher vehicle leve lif possible . #
Drive in amann erappr opriatefo rth ecur rent leve l,but donotex ceed 50mph(80 km/h). #
Consult aqu alif ied spec ialistwo rkshop.
*D YNAMI CBO DY CONT ROLis malfu nctioning. Thevehicle's handling charact eristic sma ybe affect ed. #
Donotdr ive at spe eds grea terth an 50 mph(80 km/h). #
Consult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 429

Indi
catorand warning lam ps:
0075 Re
stra int system (/ page44 9)
00E9 Seat
belt(/ page44 9)
Ù Powe rst eer ing (/ page450)
ÿ Coolanttemp eratur e(/ page45 1)
00B9 Chec
kEn gine (/page45 1)
003D Elect
rical mal functi on(/ page 451)
00B6 Re
ser vefuel withfuel filler flap loca‐
tio nind icat or(/ page45 1)
0049 US
A:elec tric par kingbr ak e(red)
(/ page45 4)
0024 Canada:
electric par kingbr ak e(red)
(/ page45 4)
0024 Ele
ctric pa rking brak e(yello w)
(/ page45 4)
00C6 US
A:Recup erati ve Brak eSy stem
(/ page45 4)
004D Canada:
brak es (yello w)
(/ page45 4)
0027 US
A:brak es (red) (/ page45 4)
004D Canada:
brak es (red) (/ page45 4) L
Distance warning (/ page45 7)
ä AIRMA TIC(/ page45 7)
ä DYNA MIC BODY CONTR OL
(/ page45 7)
0025 ABS
(/page458)
00E5 ESP®
(/ page458)
00BB ESP®
OFF (/page458)
0077 Ti
re pressur emonit oring system
(/ page460)
0060 Pa
rking lam ps(/ page10 8)
0058 Lo
wbe am (/ page10 8)
0057 Hi
gh beam (/ pag e10 9)
003E003D Tu
rn signal lights(/page10 9)
005E Re
ar foglam p(/ page10 8) 44
8
Dis play messa gesand warning/ indic ator lam ps

Decl
ining...... ............ .............................273
Endi ngacal l............... ........................ ...273
Incoming callduring anexistin gcall ...... 274
Making.. ............................................. ... 273
Mer cedes me........................................2 83
Call sup thesound menu
Bur mes ter®
sur round soun dsy stem.. ....3 14
Cam era
see 360° Camer a
see Rear vie wcam era
Car key
see Smar tKey
Car wash
see Care
Car wash (car e)......................................... 323
Car e
Air -water duct... .....................................3 23
Au tomatic carwash... ........................ ....3 23
Ca rpet<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 330
Decor ative foil.. .....................................3 26
Displ ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 330
Ext eriorlighti ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 329
Fo lding windscreen. ........................ .....3 29
Head liner........ .......................................330 Matt
efinis h.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 325
Pa int wo rk<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 325
Pl as tic tr<004C005000110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 330
Po we rwa sher. ................................. ...... 325
Re alwo od/tr imelements .................. ... 330
Re ar vie wcam era.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 329
Sea tbel <0057001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 330
Sea tco ver..... ................................... ..... 330
Sensor s.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 329
Sof tto p.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 327
St eer ing wheel. ................................. ....3 30
Sur round viewcam era..................... .....3 29
Ta ilpipes ............................................ .... 329
Wa shing byhand. ..................................3 25
Whee ls/rims...... ................................... 329
Wi nd deflect or.. .....................................3 27
Wi nd scree<0051001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> ................328
Wi ndo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 329
Wi per blades .........................................3 29
Car gotie-do wnrings. ................................ 103
Car pet(Car e).............................................3 30
Chang eof addr ess....... ...............................23
Chang eof ow ner ship ..................................2 3 Cha
nging awheel
Pr epar ation............................................ 378
Ra ising theve hicle ................................ 379
Cha nging awheel
see Emerge ncy sparewheel
Chan ginggears
Manu ally....... ......................................... 139
Cha nging hubcap s.. .................................. 378
Cha racter ent ry
Using thecon troller.... ........................... 228
Char ging
Batt ery(v ehicle) .................................... 344
Child seat
At tach ing (notes)... ..................................5 5
Basi cins tructi ons<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> ...............51
Fr ont- passeng erseat (notes)... ................6 0
LA TC H-type (ISOFIX )(ins talling). .............5 6
No teson risk sand dang ers... .................. 52
Secur ingonthefront passeng erseat... ...61
Secu ring on there ar seat. .......................5 9
To pTe ther.. ............................................. 58
Childr en
Av oiding dangersin theve hicle.... ........... 52 Inde
x46
7

00B3
EngineOilLe velCann otBe
Mea sured<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>......447
00B3 EngineOilLe velLo wStop Vehi‐
cle Turn Engi neOff............ ....................445
00B3 EngineOilPr ess ureSt op
Switc hOf fEngin e... ...............................4 46
00B3 Engine OilReduce OilLevel.......... 445
0075 Front LeftMalfunction Service
Re quired (exa mp le)...............................3 99
006F Front LeftSeat Backres tNo t
Lo cked (exa mp le).. .................................4 11
00B6 FuelLevelLo w..............................4 14
00B6 GasCap Loose.............................. 414
0025 Inoper ativeSee Oper ator's
Manua l....... ........................................... 433
00E5 Inoper ativeSee Oper ator's
Manua l....... ........................................... 434
007A Inoper ativeSee Oper ator's
Manua l....... ........................................... 435
0053 Inoper ative..... .............................. 437 :
Intell. Light System Inoperativ e....407
Á KeyNo tDe tected (red displ ay
messa ge)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 403
Á KeyNo tDe tected (whit edis‐
pl ay messa ge)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 402
0075 LeftSid eCu rtain Airbag Mal‐
fun ction ServiceRe quired (Exam ple) .....3 99
¢ Lowe ring............. <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 430
ä Malfunctio nDr ive at Ma x.50
mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 429
: Malfunction SeeOperato r’s
Manual... ............................................... 406
Á ObtainaNe wKe y<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 402
ç Off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 424
00D9 Off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 422
0059 Open/Cl oseConvertible Top
Com pletely... .........................................4 05
0049 Parking Brak eSee Opera tor's
Manua l......... ..........................................4 17
0077 Please Correct Tire Pressur e... ..... 441 0049
Please Release Parking Brak e.. .... 420
006F Rear Lef tBac kres tNo t
La tched (exa mp le).................................. 411
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 402
003D SeeOperator's Manua l........ ........ 438
0075 SRSMalfunction Service
Re quired ................................................ 399
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Manua l.. 409
Ù Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ...... 410
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>.......439
003D Stop Vehicle SeeOper ator's
Manual... ............................................... 438
00CC Stop Vehicle Vehicle TooLo w....... 430
ç Suspended ................................... 424
: SwitchOf fLights.... ......................4 07
: SwitchOn Hea dlamps<0011001100110011001100110011001100110011001100110011001100110011
00110011> 407
0058 Trunk Partition Open.. .................. 405 In
de x 47
1

Un
loc kin g/op eningth edoor sfrom
th einside.. ............ ................................... 67
Lo w-beam headla mps
Swi tching on/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 108
Lu bricant additives
see Additiv es
Lu ggage
Pa rcel ne t.... .......................................... 103
Secu ring............. <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ............98
Lu mbar support
se eLu mbar support(4-w ay)
Lu mbar support(4 -w ay)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 88M
Main tenance
Ve hicle. ................................................... 23
Maint enance
see ASSYSTPL US
Malfunct ion
Re stra int system.. ................................... 36
Malfu nction messag e
see Displa ymessag e Maneuv
ering assis tance
Ac tivati ng/d eactiv ating........... ..............199
Cr oss Traf fic Aler <0057001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 198
Dr ive Aw ayAssi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 198
Map Avoiding anarea.. .............................. ....2 64
Av oiding anarea (ove rview) ...................2 64
Chan gingan area .................................. 264
De letin gan area.. .............................. .... 265
Dis playing onlinemap conten ts. ...... .....2 66
Displ aying thecom pass. .................. ..... 266
Displa yingthemap version .............. .....2 64
Dis play ing thene xt int ersect ingstre et.. 263
Disp laying thesat ellit emap .................. 266
Displa yingthetra ffic map .....................2 59
Displ aying weather informat ion.............2 66
Map data..... ....... ................................... 265
Mo ving........... ................................... .... 262
Ov ervie w.... ....... ................................... ..261
Selecti ngPOI symb ols....... .............. ...... 263
Selecti ngtext informati on<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 263
Sel ecti ngthemap orient ation... ............ 263
Se tting themap scale.... .................. ...... 262
Se tting themap scale automaticall y..... 266
Up dating. .......................................... .... 265 Map
andcom pass
Ov ervie w................................................2 61
Massag epr og ram
Re settin gth ese ttings... ........................... 90
Massag epr og rams
Sel ecti ngthefront seats .........................9 0
Massag ese ttings
Re settin g.... ............................................. 90
Matt efinish (cleaning instructions) ........ 325
Maxim umload ratin g<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ........368
Maxi mum permis sibl elo ad
Ca lcu latio nex am ple.............................. 364
De term inin g..........................................3 63
Maximum tirepr ess ure....... ..................... 368
Mec hanic alkey
Inser ting/r emoving.................................6 5
Media Sear ching. .............................................3 01
Media display
No tes... .................................................2 20
Media Interface
Ac tivati ng........... ...................................302 48
0
Inde x

003D
Electrica lma lfunctio nwa rning
lam p...................... ................................ 453
00B9 Engine diagno siswarning lam p....4 52
00BB ESP®
OFF warning lam p...............4 59
00E5 ESP®
wa rning lam p......................4 58
00B6 Fuelreser vewarning lam p........... 453
Ù Powe rst eer ing warning lam p
(r ed).. .................... ................................ 450
00C6 Recup erati ve Brak eSy stem
wa rning lam p(US Aonl y)................... .... 455
0075 Restra int system warning lam p....4 49
00E9 Seatbeltwa rning lam p................4 49
ä Suspe nsionwarning lam p(yel‐
lo w). ...................................................... 457
0024 Theelect ric pa rking brak e(yel‐
lo w) indic ator lam p................................4 54
0077 Tire pressur emonit oring sys‐
te m wa rning lam p..................................4 60
L Warning lam pfo rdis tance
wa rning func tion. .............................. .....4 57 Wa
rning/indicat orlam ps
Ov ervie w........................................... .... 447
PA SSENGER AIRBAG.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 47
Wa rranty ...................................................... 29
Wa sher fluid
see Windsh ield wa sher fluid
Wa shing byhand (care)............ ................ 325
Wa terta nk
see Air-water duct
We ather information ................................. 266
what3w ords
Des tinatio nentr ywit ha3 wo rd
addr ess................................................. 248
Wheel chang e
Lo we ring theve hicle. ........................ ....3 82
Mou nting ane wwhe el...... ..................... 381
Re mo ving awhee l........ ..........................3 81
Re mo ving/ins talling hubcaps .......... .....3 78
Wheel rotat ion ...........................................3 77
Wheel s
Ca re<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 329
Ch ang inghubcap <0056001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 378
Chec king............................................... 354 Chec
kingth etir epr essur e(manually) ...358
Chec kingthetir epr essur e(tir epr es‐
sur emonit oring system).. ......................3 60
Def initio ns............. ................................ 371
DO T,Tire Identif ication Number (TIN).... 367
Flat tire.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 334
Ins talling. ...............................................3 81
Load index........ ..................................... 369
Load-be aring capaci ty...........................3 69
Maxi mum tireloa d... ....... ......................368
Maxi mum tirepr essu re<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 368
MOExt endedtir es <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 335
Noi <0056004800110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 354
No teson installing. ................................ 374
Ov ervie wof tirelabel ing........................ 366
Re mo ving... ............................................ 381
Re placing .......................................3 74,37 8
Re star tin gth etir epr essur eloss
wa rning system ...................................... 361
Re star tin gth etir epr essur emonit or‐
ing system.. ...........................................3 60
Rot atin g.................................................3 77
Sel ectio <0051001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 374
Sno wch ains .......................................... 355
Spe edrating ........... ............................... 369
St or ing.... ............................................... 377 496
Index