battery MERCEDES-BENZ E-CLASS CABRIOLET 2021 Service Manual

Airbag
Airbag
Activation................................................ 40
Au tomatic co-driver airbag shuto............ .49
Fr ont airbag (driver, front passenger)........ 46
Head airbag............................................ .46
Ins tallation locations................................ 46
Knee airbag............................................. 46
Overview.................................................. 46
PA SSENGER AIR BAG indicator la mps...... 50
Pr otection................................................ 47
Re duced pr otection.................................. 48
Side airbag.............................................. 46
AIRC
AIRC AP
AP
Ac tivating................................................. 88
Deactivating............................................. 88
Air0ow
Air0ow
Setting................................................... 142
AIRSC
AIRSC ARF
ARF
Ad justing the outlets.............................. 152
Switching on/o.....................................1 09
Alar
Alar m syst
m syst em
em
see ATA (anti-theT alarm system)
All-wheel dr
All-wheel dr ive
ive
see 4M ATIC Ambient lighting
Ambient lighting
Setting (MBUX multimedia system)........ .133
Andr
Andr oid A
oid A uto
uto
see Smartphone integ ration
Animals
Animals Pets in theve hicle.................................... 73
Anti-loc
Anti-loc k br
k braking syst
aking syst em
em
see ABS (Anti-lock Braking System)
Anti-skid c
Anti-skid c hains
hains
see Sn owchains
Anti-t
Anti-theT heTprot
pr otection
ection
Ad ditional door loc k................................. 77
Immobiliser.............................................. 95
Anti-t
Anti-theT heTprot
pr otection
ection
see ATA (anti-theT alarm system)
Anticipat
Anticipat or
ory occupant pr ot
y occupant pr otection
ection
see PRE-SAFE ®
(anticipatory occu-
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay
Apple CarPlay ®
®
see Smartphone integ ration Assist
Assist
ance syst
ance syst ems
ems
see Driving saf ety sy stem
ASS YS
ASS YST PL
T PL US
US
Battery disconnection period s................ 299
Displaying the service due dat e.............. 298
Fu nction/no tes...................................... 298
Re gular maintenance work..................... 298
Special service requ irements................. 298
AT
ATA A(anti-t
(anti-theT heTalar
alarm syst
m syst em)
em)
Deactivating the alarm............................. 96
Fu nction.................................................. 95
Interior pr otection function....................... 97
Priming/deactivating interior pr otection... 97
Priming/deactivating tow- awa y pro-
te ction..................................................... 97
To w- awa y protection function................... 96
A
A TTENTION ASSIST
TTENTION ASSIST
Function................................................ 190
Setting.................................................. .191
System limitations.................................. 190
A
A tt
tt ention assist
ention assist ant
ant
see ATTENTION ASSIST
A
A ut
ut hor
hor ised w
ised w ork
orkshop
shop
see Quali/ed specialist workshop Index
447
447

Seat belt................................................ 312
Seat co ver.............................................3 12
Sensors................................................. 311
SoT top................................................ .308
St eering wheel....................................... 312
Ta ilpipes................................................ 311
Tr ailer hitc h............................................ 311
Wa shing byhand.................................... 307
Wheels/rims.......................................... 311
Wi nd de0ector....................................... 309
Wi ndo ws................................................ 311
Wi per blades.......................................... 311
Car Car pe
pet (Car
t (Car e)
e)............................................... 312
Changing g
Changing g ears
ears
Manually................................................ 169
Changing hub caps
Changing hub caps ....................................... 346
Char
Char ging
ging
Mobile phone (wireless)........................ .121
On-board electrical system battery
(12 V).................................................... 326
USB port................................................1 21
Chassis
Chassis
Damping characteristics........................ .217
DY NAMIC BODY CONTROL................... .217 Chassis lev
Chassis lev el (AIR BOD el (AIR BOD Y C
Y CONTR
ONTR OL)
OL)
Setting................................................... 218
Child safe
Child safe ty lock
ty lock
Re ar side wind ows................................... 72
Child seat
Child seat Appr oval catego ries.................................60
At tach ing (no tes)..................................... .59
Basic instructions.................................... 55
Fr ont passenger seat (no tes).................... 70
Fr ont passenger seat (without auto-
matic airbag shuto.)............................... .69
ISOFIX/i-Size (/tting).............................. .63
No tes on risks and danger s...................... 56
Re commendations forch ild restraint
systems................................................... 58
Seats suitable for belt-secured child
re straint systems..................................... 66
Seats suitable for i‑Size child restraint
systems................................................... 63
Seats suitable for ISOFIX child
re straint systems..................................... 62
Securing on the co-driver seat..................70
Securing on there ar seat......................... 68
To pTe ther................................................ 65 Childr
Childr en en
Av oiding dangers in theve hicle............... .56
Basic instructions.................................... 55
Chock
Chock Storage location..................................... 345
Chock
Chock see Chock
City lighting
City lighting.................................................. 129
Cleaning
Cleaning
see Care
Climat
Climat e contr
e contr ol
ol
Ac tivating/deactivating.......................... 143
Ac tivating/deactivating the A/C func-
tion (control panel).................................1 43
Ac tivating/deactivating the A/C func-
tion (MBUX multimedia system).............. 144
Ac tivating/deactivating the synchro-
nisation function (control panel).............1 44
Ac tivating/deactivating the synchro-
nisation function (MBUX multimedia
system).................................................. 145
Air-recirculation mode............................1 45
Au tomatic control................................. .144
Calling up the air conditioning menu....... 143 450 450
Index

Dat
Dat
a acq
a acq uisition
uisition
Ve hicle..................................................... 35
Dat
Dat a pr ot
a pr otection r
ection r ights
ights
Data storag e............................................ 38
Dat
Dat a st
a st or
orage
age
Data pr otection rights.............................. 38
Electronic control units............................ 35
Online services........................................ 37
Ve hicle..................................................... 35
Deactiv
Deactiv ating t
ating the alar
he alar m (AT
m (ATA)
A)........................... 96
Dealer
Dealer ship
ship
see Quali/ed specialist workshop
Declar
Declar ation of conf
ation of conf or
ormity
mity
Elect romagnetic compatibilit y.................. 24
Jack......................................................... 30
Speci/c absor ption rate........................... 24
TIREFIT kit................................................ 31
Wi reless vehicle component s................... 24
Decor
Decor ativ ative f
e foil (cleaning ins
oil (cleaning instr tructions)
uctions)........... 308
DeN
DeNOx ag Ox ag ent
ent
see AdBlue ®
Des
Destination entry tination entry
Entering a POI or addres s....................... 268 Det
Det
ecting inatt
ecting inatt entiv
entiveness
eness
see ATTENTION ASSIST
Diagnos
Diagnostics connection tics connection.................................. 31
Diesel
Diesel Low outside temp eratures...................... 361
No tes..................................................... 361
Digit
Digit al Owner's Manual
al Owner's Manual.................................. 18
Dingh
Dingh yto
y to wing
wing
see Tow- bar system
DIRECT SELECT lev
DIRECT SELECT lev er
er
Engageing reve rsege ar.......................... 168
Engaging drive position.......................... 169
Engaging neutral................................... .168
Engaging park position automaticall y...... 168
Fu nction................................................ 167
Selecting park position........................... 168
Displa Displa y (car
y (care)
e)............................................... 312
Displa
Displa y (MBUX multimedia syst
y (MBUX multimedia syst em)
em)
Home sc reen.........................................2 56
Operating.............................................. 257
Displa
Displa y (on-boar
y (on-boar d com
d comput
puter)
er)
Displa yson the inst rument displa y......... 251 Displa
Displa
y in t
y in the windscr
he windscr een
een
see Head-up display
Displa
Displa y message
y message
Calling up (on-board computer).............. 371
No tes..................................................... 371
Displa
Displa y messag
y messag es
es
ç - - - km/h.................................... .400
È - - - km/h..................................... 400
h - - - km/h..................................... 399
# 12 V battery See Owner's Man-
ual......................................................... 416
K 12 V battery See Owner's Man-
ual......................................................... 378
Û 48 V battery See Owner's Man-
ual......................................................... 418
: Active Light System inoperative..... 380
¯ AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 426
¯ AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 425 452
452
Ind
ex

¯
AdBlue system fault Engine
start not possible................................... 426
¯ AdBlue system fault See Own-
er's Manual............................................ 425
5 Add 1 litre engine oil when next
re fuelling ............................................... 427
é ATTENTION ASSIST inoperati ve..... 399
é ATTENTION ASSIS T:Take a
break!.................................................... 399
: Automatic driving lights inoper-
ative...................................................... 379
Á Change key batteries .................... 375
J Check brake 0uid le vel.................. 398
5 Check eng. oil le v.when next
re fuelling ............................................... 427
ï Check trailer hitch lo ck(white
display message) .................................... 384
h Check tyre(s) ................................ 420
! Clean the fuel /lter....................... 390
J Close boot separator .................... 378 ÿ
Coolant Stop vehicle Switch
engine o............................................... 389
! currently una vailable See Own-
er's Manual............................................4 11
÷ currently una vailable See Own-
er's Manual............................................4 12
5 Engine oil le vel cannot be meas-
ured....................................................... 429
5 Engine oil le velRe duce oil le vel..... 428
5 Engine oil le velSt op vehicle
Switch engine o.................................... 428
5 Engine oil pressure Stop Switch
o. engine.............................................. 429
ä Fault Drive at max. 80 km/h ......... 409
6 Front leT malfunction Consult
wo rkshop (e xample)...............................3 72
_ Front leT seat backrest not
loc ked (e xamp le).................................... 387
& inoperative Battery low................. 383
& inoperative Refuel vehicle............. .383 &
inoperative See Owner's Man........ 382
! inoperative See Owner's Manual.. .412
÷ inoperative See Owner's Manual.. .413
T inoperative See Owner's Manual.. .414
G Inoperative................................... 415
: Intelligent Light System inopera-
tive........................................................ 380
Á Key being initialised Please wait.... 376
Á Key not de tected (red display
message).............................................. .376
Á Key not de tected (white display
message).............................................. .375
: LeT dipped beam (e xample).......... 379
6 LeT windowbag malfunction
Consult workshop (e xample).................. 372
¢ Lowe ring....................................... 410
: Malfunction See Owner's Man-
ual ......................................................... 379
ð Maximum speed exceeded ............ 402
Ø ................................................... .424 Index
453 453

ç
O................................................ .401
ë O.................................................3 98
K Open/close soT top comple tely.... 378
! Parking brake See Owner's
Manual..................................................3 94
É Please reduce speed .................... .410
Ý Please wait 48 V battery charg-
ing......................................................... 418
h Rectify tyre pressure ..................... 421
Ø Re/ll AdBlue See Owner ’sMan-
ual ......................................................... 424
! Release parking brake ...................397
¸ Replace air cleaner ....................... 391
Á Replace key.................................. 375
8 Reser vefuel le vel.......................... 390
6 Restraint sys. malfunction Con-
sult workshop ....................................... .372
# See Owner's Manual..................... 416
K SoTtop lo wering........................... 377 K
SoTtop Operation only up to
60 km/h................................................ 377
Ù Steering malfunction Increased
ph ysical e.ort See Owner's Manual....... 385
Ù Steering malfunction Stop
immediately See Owner's Manual ........... 386
# Stop vehicle Lea veengine run-
ning ....................................................... 417
# Stop vehicle See Owner's Man-
ual......................................................... 417
É Stop vehicle Vehicle too low .......... 409
ç suspended .................................... 400
: Switch o. lights............................ 380
: Switch on headlamps .................... 380
á temp orarily una vailable Camera
view restric ted....................................... 408
¸ temp orarily una vailable Sensors
dirty....................................................... 407
Ø Top up AdBlue Emer gency op. in
XXX miles See Owner's Manual.............. 424 +
Top up coolant See Owner ’s
Manual.................................................. 389
¥ Top up washer 0uid...................... .388
! Turn on the ignition torelease
th e parking brake ................................... 397
d Vehicle is operational Switch o.
ignition before exiting............................. 383
É Vehicle rising Please wait.............. 410
É Vehicle rising ................................ 410
h Warning tyre defect....................... 421
h Wheel sensor(s) missing ................ 420
K While stationar y,apply the
brake before operating the soT top........ 377
Ø XX,X l Top up AdBlue Swit chon
ignition, wait 60 sec. or eng. start not
poss...................................................... 425
Ac tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 405
Ac tive Blind Spot Assist inoperative........ 406 454 454
Index

Ac
tive Blind Spot Assist not available
when towing a trailer See Owner's
Manual................................................. .406
Ac tive bonnet malfunction See Own-
er's Manual............................................ 386
Ac tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........414
Ac tive Brake Assist Functions limi ted
See Owner's Manual.............................. 415
Ac tive Distance Assist available again ..... 402
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 401
Ac tive Distance Assist inoperative.......... 401
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 406
Ac tive Lane Keeping Assist inoperative... 406
Ac tive Steering Assist cur rently
una vailable due tomultiple emer-
ge ncy stops........................................... 403 Ac
tive Steering Assist cur rently
una vailable See Owner's Manual ............ 402
Ac tive Steering Assist inoperative...........4 02
Ac tive Stop-and-Go Assist cur rently
una vailable see Owner's Manual .............403
Ac tive Stop-and-Go Assist inoperative
See Owner's Manual.............................. 404
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual ............ 381
Ad aptive Highbeam Assist inoperative ....3 81
Ad aptive Highbeam Assist Plus cur-
re ntly una vailable See Owner's Manual ... 381
Ad aptive Highbeam Assist Plus inop-
erative.................................................. .382
Apply brake todeselect Park (P) posi-
tion....................................................... .391
Apply brake toselect D or R ...................392
Apply brake toselect R .......................... 392
Au xiliary battery malfunction (red dis-
play message) ....................................... .394 Au
xiliary battery malfunction (white
displ aymessage) .................................... 393
Beginning emer gency stop..................... 403
Blind Spot Assist cur rently una vailable
See Owner's Manual.............................. 404
Blind Spot Assist inoperative.................. 405
Blind Spot Assist not available when
to wing a trailer See Owner's Manual ...... 405
Cann otstart engine See Owner's
Manual.......................................... 388, 418
Check brake pads See Owner's Man-
ual......................................................... 398
Check ty repressures then restart Run
Flat Indicator......................................... 423
Cruise control and Limiter inoperative.... 399
Cruise control inoperative...................... 399
Cruise control o....................................4 00
Device de tected at diagnostics con-
nection See Owner's Manual................. .416 Index
455 455

Ignition
key
Ignition key
see Key
Immobiliser
Immobiliser .................................................... 95
Im
Im plied w
plied w arr
arranty
anty
Ve hicle..................................................... 34
In-Car
In-Car O1ce
O1ce
Fe atures................................................ 283
Indicat
Indicat or lamp
or lamp
see Warning/indicator lamp
Individual dr
Individual dr iv
ive pr
e pr ogr
ogram
am
Con/guring............................................ 166
Selecting............................................... 166
Inspection Inspection see ASS YST PLUS
Ins
Instr trument clust
ument clust er
er
Fu nction/no tes.............................. 247, 248
Ins
Ins tr
trument display
ument display
Fu nction/no tes...................................... 248
Instrument clus ter.................................... 10
Overview of displa ys............................... 251
Wa rning/indicator lamps........................ 429 Ins
Instr trument displa
ument displa y and on-boar
y and on-boar d com-
d com-
put
put er
er
Fu nction/no tes...................................... 247
Int
Int ellig
ellig ent Light Syst
ent Light Syst em
em
Ac tivating/deactivating.......................... 129
Ac tive headlamps................................... 128
Ad aptive Highbeam Assis t...................... 130
Ad aptive Highbeam Assist Plu s............... 131
Bad weather light................................... 129
City lighting........................................... .129
Cornering light....................................... 128
Fo g light (enhanced).............................. 129
Mo torw ay mode.................................... .129
Overview................................................ 128
Int
Int er erior lighting
ior lighting
Ad justing............................................... 133
Ambient lighting.................................... .133
Re ading lamp......................................... 133
Switch-o. delay time.............................. 134
Int
Int er
erior pr ot
ior pr otection
ection
Fu nction.................................................. 97
Priming/deactivating.............................. .97
Int
Int er
erne
ne t r
t radio
adio
see TuneIn Ionisation
Ionisation
Activating/deactivating (MBUX multi-
media system)....................................... 145
iPhone
iPhone ®
®
see Smartphone integ ration
ISOFIX c
ISOFIX c hild seat anc
hild seat anc hor
hor
Seats suitable for attaching...................... 62
ISOFIX c
ISOFIX c hild seat secur
hild seat secur ing syst
ing system
em
Fi tting...................................................... 63 J
J
Jack
Jack Declaration of conformity......................... 30
Storage location.................................... .345
Jum Jum p-st
p-st ar
art connection
t connection
General no tes....................................... .324 K
K
K
K e
ey
y
Ac oustic locking veri/cation signal.......... .75
Battery..................................................... 76
Deacti vating a function............................ 75
Emer gency key......................................... 76
Energy consum ption................................ 75 Index
461 461

S
S
t
tar
ar t-o.
t-o. assist
assist
see Optimised acceleration
St
St ar
art/st
t/st op butt
op butt on
on
Pa rking theve hicle................................. 177
St arting theve hicle............................... .154
Switching on the po wer supply/vehicle.. 153
St
St ar
art/st
t/st op function
op function
see ECO start/stop function
St
St art
art er batt
er batt ery
ery
Charging (Remo teOnline)...................... 155
St
St ar
arting
ting
see Vehicle
St
St ar
arting assist
ting assist ance
ance
see Jump-start connection
St
St ar
arting-o.
ting-o. aid
aid
see Hill Start Assist
St
St ationar
ationar y heat
y heater/v
er/ventilation
entilation
Ac tivating/deactivating (control panel)... 147
Displa ys(remo tecont rol)....................... 149
Problems (remo tecont rol)...................... 150
Re placing the battery (remo tecont rol)... 149
Setting (MBUX multimedia system)......... 148
Setting (remo tecont rol)......................... 148 S
S TEER C
TEER C ONTR
ONTROL
OL
Fu nction/no tes...................................... 188
St
St eer
eer ing wheel
ing wheel
Ad justing (electrically)........................... .111
Ad justing (manual ly).............................. .110
Buttons..................................................2 49
Care...................................................... 312
Operating the memory function.............. 114
St eering wheel heater............................ 112
St St eer
eer ing wheel
ing wheel g
gear
ear shiT
shiT paddles
paddles.................. 169
St
St eer
eer ing wheel heat
ing wheel heat er
er
Switching on/o.....................................1 12
St ow
St ow ag
age ar
e ar eas
eas
see Loading
see Stow age space
St ow
St ow ag age com
e com par
partments
tments
see Loading
see Stow age space
St ow
St ow ag age space
e space
Armrest................................................. 117
Centre console..................................... .117
Door...................................................... 117
Glo vecompartmen t............................... 117 S S
tr
tr ee
ee t names and house numbers
t names and house numbers
Displaying.............................................. 269
Sugg
Sugg es
estionstions
Con/guring............................................ 261
Sulphur cont
Sulphur cont ent
ent........................................... 359
Surr
Surr ound lighting
ound lighting
Switching on/o..................................... 133
Surr
Surr ound V
ound V iew
iew
see 360° Camera
Suspension
Suspension Adjusting thech assis le vel (AIR BODY
CO NTROL)............................................. 218
Suspension
Suspension
see AIR BODY CONTROL
S
S VHC (subst
VHC (subst ances of v
ances of ver
ery high concer
y high concer n)
n)........ 33
Switc
Switc h-o.
h-o.dela
delay time
y time
Exterior.................................................. 133
Interior.................................................. .134
Sync
Sync hr
hronisation function
onisation function
Ac tivating/deactivating (control panel)... 144
Ac tivating/deactivating (MBUX multi-
media system)....................................... 145 Index
471
471

Equipment............................................... 22
Implied warrant y...................................... 34
Locking (automatically)............................ 80
Locking/unlocking (emer gency key)........ .81
Locking/unlocking (from inside)............... 78
Locking/unlocking (KEYLESS-GO)............ 79
Lo we ring................................................ 350
Medical aids........................................... .34
Pa rking up............................................. 182
QR code rescue car d............................... 35
Quali/ed specialist workshop.................. .33
Ra ising................................................... 347
REACH regulation.................................... 33
Re gistration............................................. 33
St andby mode function.......................... 182
St arting (emer gency ope ration mode ).... 155
St arting (Remo teOnline)........................ 156
St arting (start/stop but ton)................... 154
SV HC (substances of very high conce rn)..33
Switching o. (start/stop button)............ 177
Switching on (start/stop button)............ 153
To wing................................................... 245
Ve ntilating (con venience opening)........... .93
V
V ehicle batt ehicle batt ery
ery
see On-board electrical system battery (12 V) V
V
ehicle camera
ehicle camera
Information............................................ 183
V
V ehicle data
ehicle data
Displaying (DYNAMIC SELECT)............... 166
Ro of load............................................... 368
Ve hicle height....................................... .367
Ve hicle length........................................ 367
Ve hicle widt h......................................... 367
Wheelbase............................................. 367
V
V ehicle dimensions
ehicle dimensions...................................... 367
V
V ehicle emerg
ehicle emerg ency st
ency start
art............................... 332
V
V ehicle
ehicle identi/cation
identi/cation number
number
see VIN
V
V ehicle
ehicle identi/cation
identi/cation plate
plate
EU type appro val number....................... 356
Maximum gross vehicle weight............... 356
Pa int code............................................. 356
Pe rm issible axle load.............................. 356
VIN........................................................3 56
V
V ehicle int
ehicle int er
erior
ior
Cooling or heating (Remo teOnline)....... .155
V
V ehicle key
ehicle key
see Key V
V
ehicle maint
ehicle maint enance
enance
see ASS YST PLUS
V
V ehicle sensors
ehicle sensors
Information............................................ 183
V
V ehicle t
ehicle t ool kit
ool kit
TIREFIT kit............................................. .318
To wing eye............................................. 331
V
V entilating
entilating
Con venience opening.............................. .93
V
V entilation
entilation
see Climate control
V
V ents
ents
see Air vents
VIN
VIN Identi/cation pla te................................. 356
Seat....................................................... 356
Wi ndsc reen............................................ 356
V V ision
ision
Demisting windo ws................................ 145 W
W
W
W ar
ar ning lamp
ning lamp
see Warning/indicator lamp Index
475
475