ECU MERCEDES-BENZ E-CLASS CABRIOLET 2021 Manual Online

Ve
hicl e Dis
playmessag es
Possible causes/conseq uencesand0050 0050
Solutions
0072 Vehicle ReadytoDrive
Switc hthe Ignit ionOff
Before Exiting *Y
ouarelea ving theve hicle when itis in are ady -to- dr ive st at e. #
When youlea vetheve hicle, switchof fth eignition ,secur eth eve hicle agains tro lling away and taketh eSmar t‐
Ke ywit hyo u. #
Ifyo udo notlea vetheve hicle, switchof fth eelectr icalconsumer s,e.g. theseat heating. Other wise, the12 V
batt eryma ydisc hargeand itwill then be possible tostar tth eve hicle onlywit hth eaid ofasecon dbatt ery
(s ta rting assis tance) .
Ù Stee ringMalfunctio n
Incre ased Phy sical Effor t
See Operator'sManua l *T
hepowe rst eer ing assis tance isma lfunctio ning. &
WARNIN GRisk ofan acci dent dueto altered steer ing charact eristic s
If th epo we rassi stanc eof thesteer ing fails par tiall yor com pletely,yo uwill need touse morefo rc eto steer . #
Ifsaf esteer ing ispossible, drive on car efully . #
Visit orconsult aqu alif ied spec ialistwo rkshop immediat ely. 35
4
Displa ymessag esand warning/ indic ator lam ps

Br
ak es Di
spl aymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0049 (US Aonl y)
0024 (Canada only)
Parking BrakeSeeOpera-
tor's Manual *
The yello w0024 indicator lam pis lit. The elect ric pa rking brak eis malfun ctionin g.
To appl y: #
Swi tchth eignition offand switc hit bac kon. #
Appl yth eelectr icpar king brak emanually (/page16 2).
If it is no tpo ssi ble to appl 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.
* The yello w0024 indicator lam pand there d0049 (USAonl y)or 0024 (Canada only)indicat orlam par elit. The elec‐
tr ic par kingbr ak eis malfunc tioning.
To release: #
Swit chtheignition offand switc hit bac kon. #
Release theelectr icpar king brak emanually (/page16 2).
or #
Release theelectr icpar king brak eaut omaticall y(/ page16 2).
If it is still no tpossible torelease theelectr icpar king brak e: #
Donotcon tinue driving. Consult aqu alif ied spec ialistwo rkshop. 362
Displa ymessag esand warning/ indic ator lam ps

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(/ page16 2).
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. Dis
play messa gesand warning/ indic ator lam ps 363

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(/ page16 2).
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(/ page16 2).
If it is still no tpossible torelease theelectr icpar king brak e: #
Donotcon tinue driving. Consult aqu alif ied spec ialistwo rkshop. 36
4
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
ä Malfunct ionDrive atMax.
50 mph *A
IRBO DY CONTR OLisfunctioning onlyto alimit edextent. The vehicle's handling charact eristic sma ybe affect ed. #
Drive in amanne rap propr iate forth 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.
00CC Stop Vehicle VehicleToo
Low *Y
ouhave pulled away despit eth eve hicle leve lbeing toolow. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.
The vehicle willberaised totheselect edvehicle leve l. #
Waitunt ilth edispla ymessag edisappear sbef orepulling away.
If th edispla ymessag edoes notdisappear andawa rning tone also sou nds, AIRBOD YCO NTR OLismalfu nctioning: #
Donotdr ive at speeds great erthan 50 mph(80 km/h) andconsult aqu alif ied spec ialistwo rkshop immediat ely.
* 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 . Disp
lay mess ages and warning/ indic ator lam ps 37
5

Ins
trum ent Disp lay De
pen dingon thedispla yse tting, theposition s
of theindicat orlam pson theIns trument Display
ma ydif ferfr om theex am ple shown.
Indi catorand warning lam ps:
0075 Re
stra int system (/ page39 4)
00E9 Seat
belt(/page39 4)
Ù Powe rst eer ing (/ page395)
ÿ Coolanttemp eratur e(/ page396)
00B9 Chec
kEn gine (/page396)
003D Elect
rical mal functi on(/ page 396) 00B6
Re
ser vefuel withfuel filler flap loca‐
tio nind icat or(/ page39 6)
0049 US
A:elec tric par kingbr ak e(red)
(/ page39 9)
0024 Canada:
electric par kingbr ak e(red)
(/ page39 9)
0024 Ele
ctric pa rking brak e(yello w)
(/ page399)
00C6 US
A:Recup erati ve Brak eSy stem
(/ page399)
004D Canada:
brak es (yello w)
(/ page399)
0027 US
A:brak es (red) (/ page399)
004D Canada:
brak es (red) (/ page399)
L Distance warning (/ page402)
ä AIR BO DY CONTR OL(/ page402)
ä DYNA MIC BODY CONTR OL
(/ page402)
0025 ABS
(/page403)
00E5 ESP®
(/ page403)
00BB ESP®
OFF (/page403) 0077
Ti
re pressur emonit oring system
(/ page405)
0060 Pa
rking lam ps(/ page11 3)
0058 Lo
wbe am (/ page11 3)
0057 Hi
gh beam (/ pag e11 4)
003E003D Tu
rn signal lights(/page11 4)
005E Re
ar foglight (/page11 3) Displ
aymessa gesand warning/ indic ator lam ps 393

Secu
ring on thefront passeng erseat ...... 62
Secur ingonthere ar seat ................ ........ 59
To pTe ther ............... ........................... ..... 58
Childr en
Av oiding dangersin theve hicle. .............. 52
Basic instructions.... ................................ 51
Speci alsea tbel tre tract or... ........... ......... 56
Ch ock
St or ag elocation... .............................. ... 322
Choc k
see Choc k
City lighting. ............... ................................ 117
Cleani ng
see Care
Clim atecontr ol
Ac tivati ng/d eactiv ating........... ..............131
Ac tivati ng/d eactiv ating theA/C
func tion (cont rolpanel).. .......................1 31
Ac tivati ng/d eactiv ating theA/C
func tion (MBUX multimedia system) ...... 131
Ac tivati ng/d eactiv ating thesync hro‐
nizat ionfunc tion (cont rolpanel).. .......... 132 Ac
tivati ng/d eactiv ating thesync hro‐
nizat ionfunc tion (MBUX multimedia
sy stem).. .......................................... ...... 132
Air -reci rculati onmod e...................... .....1 33
Au tomatic control..... ............................. 131
Callin gup theair con ditionin gmenu ..... 131
Climat est yle func tion............................1 32
Contr olpane lfo r3-zone automatic
clima tecontr <0052004F00110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 130
Con trol pan elfordua l-zone auto‐
matic climatecontr ol<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .130
Defr osting thewindshield.. .................... 130
Fil ling cap acityforPA Goil ................ .....3 40
Fr ont airvents <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> .............134
Inser ting/r emoving theflacon (fra‐
gr anc esy stem).. .................................... 133
Ionization...... .........................................1 33
No te<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 130
Re ar air ve<0051005700560011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 135
Re frig er ant....... .................................... .3 39
Re frig er ant filling capac ity................ .....3 40
Re mo ving condensatio nfrom the
windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 132
Re sidua lheat ......................................... 133
Se tting (MBU Xmul time diasy stem).. ..... 131
Se tting theair distribution... .................. 130 Se
tting theair flow <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 130
Se tting theclimat est yle... ..................... 132
Se tting thefragr ance system.... .............1 33
Se tting theve hicle interior temp era‐
tur e... ..................................................... 130
Swi tching there ar wind owheat er
on/of f................................................... 130
Ve ntil ating theve hicle (convenie nce
op eni ng) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>.85
Clim atest yle
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>132
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 132
Coc kpit
Ov ervie w................................................... 6
Cof feecup symbol
see ATTENTION ASSIST
Combination switch... ................................ 114
Com puter
see On-boar dcom puter
Conne ctingthepa rcel ne t.. ...................... 109
Consum ption indicat or
Calling up...............................................1 51
Con venience closing featur e....... ...............85 41
2
Inde x

006F
Front LeftSeat Backres tNo t
Lo cked (exa mp le).. ................................ 356
00B6 FuelLevelLo w............................. 358
00B6 GasCap Loose .............................3 58
0025 Inoper ativeSee Oper ator's
Manu al........ .......................................... 378
00E5 Inoper ativeSee Oper ator's
Manua l....... ........................................... 379
007A Inoper ativeSee Oper ator's
Manua l....... ..... ...................................... 380
0053 Inoper ative..... .............................. 381
: Intell. Light System Inoperativ e....352
Á KeyNo tDe tected (red displ ay
messa ge)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 348
Á KeyNo tDe tected (whit edis‐
pl ay messa ge)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 347
0075 LeftSid eCu rtain Airbag Mal‐
fun ction ServiceRe quired (exa mp le).....3 44
¢ Lowe ring.............. <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 376 ä
Malfunction Drive at Max. 50
mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 375
: Malfunction SeeOper ator ’s
Manual... ................................................ 351
Á ObtainaNe wKe y<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 347
ç Off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 369
00D9 Off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 367
0059 Open/Cl oseSoftTo pCom‐
ple tely<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 350
0049 Parking Brak eSee Opera tor's
Manua l......... ......................................... 362
0077 PleaseCor rect Tire Pressur e... ..... 386
0049 Please Release Parking Brak e.. .... 365
00D9 Please WaitChar ging 48VBat ‐
te ry …<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 384
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 347
003D SeeOperator's Manua l......... .......3 82
0059 SoftTo pLo we ring............. ...........349
0059 SoftTo pOper ableOnlyup to
37 mph<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 3490075
SRSMalfunction Service
Re quired ................................................ 344
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Manua l.. 354
Ù Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ..... 355
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>.......383
003D Stop Vehicle SeeOper ator's
Manual... ............................................... 383
00CC Stop Vehicle Vehicle TooLo w....... 375
ç Suspend ed<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 369
: SwitchOf fLig hts <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 352
: SwitchOn Hea dlamps<0011001100110011001100110011001100110011001100110011001100110011
00110011> 352
0049 Turn On theIgnit iontoRelease
th ePa rking Brak e..................................3 66
0072 Vehicle Ready toDrive Swi tch
th eIgnit ionOffBef oreEx iting ............... 354
00CC Vehicle Rising Please Wait............ 376
00CC Vehicle Rising ...............................3 76 Inde
x41
5

Insid
ere ar vie wmir ror
see Exterior mir rors
Insp ectio n
see ASSYST PLUS
Ins trument cluster
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 218, 219
Ins trum ent Disp lay
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 219
Ins trument cluster.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 10
Wa rning/ indic ator lam ps.................. .... 392
Ins trum ent Displa yand on-boa rd
com puter
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 218
Int ellig entLight System
Ac tivati ng/d eactiv ating........... ..............117
Ac tivelight functio n.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 116
Ad aptiveHig hbeam Assis t..................... 118
Ad aptiveHig hbeam Assis tPlus ........ ...... 119
Ad versewe ather light ...................... ...... 117
City lighting...................................... ...... 117
Cor nering light..... <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .........116
Fo glight (extended rang e)<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 117
High waymod e.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 117
Ov ervie w.. ..............................................1 16 Int
erior ligh ting
Ad jus ting ............. ..................................121
Ambi entlighti ng.......... <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> ......122
Re adin glam p.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 121
Swi tch-of fdel aytim e..... ........... .............122
Int erne tra dio
see TuneIn
Io nizatio n
Ac tivati ng/d eactiv ating (MBUX mul‐
tim ediasystem) ................................. ....1 33
iPho ne®
see Smar tphone integr atio n J
Jac k
St or ag elocation. ................................... 322
Jum p-startconnec tion
Gener alno tes.. ...................................... 288 K
KEYLESS- GO
Loc kingth eve hicle ..................................7 0
Pr oblem. .................................................. 71
Un loc kin gse tting.... .................................6 7 Un
loc kin gth eve hicle.... .......................... 70
Kic kdo wn
Using... .................................................. 154
Knee airbag .................................................. 42 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
LA TC H-type (ISOFI X)child seat secur‐
ing system
In stallin g.................................................. 56
Le velcontr olsystem
see AIR BO DY CONT ROL
Light switch
Ov ervie w................................................1 13 422
Index

Light
ing
see Inte rior lighting
see Lights
Lights Activelight functio n.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 116
Ad aptiveHig hbeam Assis t..................... 118
Ad aptiveHig hbeam Assis tPlus ........ ...... 119
Ad versewe ather light ...................... ...... 117
Au tomatic driving lights.... .....................1 14
City lighting.... ........................................ 117
Comb inationswit ch<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 114
Cor nering li<004A004B00570011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> ............116
Fo glight (extended rang e)<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 117
Haza rdwa rning light s............................ 115
High beam... ............ ..............................114
High -beamflasher .................................. 114
High waymod e.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 117
Int elli gent Lig htSystem.... ..................... 116
Light switch.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 113
Lo w-beam headlam ps............................ 113
Pa rking light s.................................... .....1 13
Re ar foglam p.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 113
Re sponsibili tyforlig hting systems ......... 113
Se tting theex terior lighting switch-
of fdela ytime .................................... ..... 121 Se
tting thelow beam... ..................... ..... 121
St andi nglight s................................. ...... 113
Swi tching thesur round lightingon/
of f..................................................... .....1 21
Tu rn signal light......................................1 14
Limit edWa rranty
Ve hicle. ............................................. ...... 29
Liv eTr af fic Inf orma tion
Swit ching thetra ffic inf ormatio ndis‐
pla yon ...................................................2 40
Lo ad inde x(tir es).... ................................... 314
Load -bearing capacit y(tir es)... ................. 314
Load ing
Bag hook ...............................................1 08
Ca rgotie-do wnri<0051004A00560011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> ..107
Def initio ns............. .......................... ......316
No tes... ............................................. ..... 104
Load ingguid elines .................................... 104
Load inginforma tion table ........................ 307
Load s
Sec uring. .......................................... .....1 04 Lo
cking/unloc king
Ac tivati ng/d eactiv ating theaut o‐
matic locking featur e............................... 71
Emerg encykey.. ...................................... 72
KEYLESS- GO..... ...................................... 70
Un loc kin g/op eningth edoor sfrom
th einside.. ..............................................6 9
Lo w-beam headla mps
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 121
Swi tching on/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 113
Lu bricant additives
see Additiv es
Lu ggage
Pa rcel ne t.... .......................................... 109
Secu ring.............. <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ..........104
Lu mbar support
se eLu mbar support(4-w ay)
Lu mbar support(4 -w ay)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 92 M
MA GIC VISIONCO NTR OL
Wi ndsh ield wipe rs<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 125 Inde
x423