lock MERCEDES-BENZ E-CLASS CABRIOLET 2021 Repair Manual

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Drive carefully on a suitable str etch of road, making slight steering mo vements at a speed abo ve30 km/h. #
Ifth e display message does not disappear, consult a quali/ed specialist workshop immediatel y.Drive care-
full y. !
÷
inoperative See Owner's
Manual *
ABS and ESP ®
are malfunctioning.
Other driving systems and driving sa fety systems (e.g. BAS) may also be malfunctioning.
The brake system will continue tooperate normall y.Braking distance may inc rease in an emer gency braking situation. &
W WARNI NG
ARNI NGRisk of skidding if ABS and ESP ®
are malfunctioning
The wheels may block during braking and ESP ®
does not per form any vehicle stabilization.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addi-
tion, other driving saf ety sy stems are swit ched o.. #
Drive on carefull y. #
Have ABS and ESP ®
ch ecked immediately at a quali/ed specialist workshop. ÷
currently unavailable See
Owner's Manual *
ESP ®
is temp orarily una vailable.
Other driving systems and driving saf ety sy stems (e.g. BAS) ma y also be malfunctioning.412 412
Display messages and
warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
T
!
÷
inoperative See Owner's
Manual *
EBD, ABS and ESP ®
are malfunctioning.
Other driving systems and driving saf ety systems (e.g. BAS) may also be malfunctioning. &
W WARNING
ARNING Risk of skidding if EBD, ABS and ESP ®
are malfunctioning
The wheels may block during braking and ESP ®
does not per form any vehicle stabilization.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addi-
tion, other driving saf ety sy stems are swit ched o.. #
Drive on carefull y. #
Have the brake system checked immediately at a quali/ed specialist workshop. Active Brake Assist Func-
tions currently limited See
Owner's Manual *V
Vehicles wit
ehicles wit h t
h the Dr
he Dr iving Assist
iving Assist ance P
ance Pack
ackag
age:
e: Ac tive Brake Assist with cross-t ra1c function, Evasive Steering Assist or
PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
V
V ehicles wit
ehicles wit hout t
hout the Dr
he Driving Assist
iving Assist ance P
ance Pack
ackag
age:
e: Ac tive Brake Assist is temp orarily una vailable. #
Drive on
As soon as the ambient conditions are within the system limits, the system will become available again.
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle. 414
414
Displ
aymessages and warning/indicator lamps

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ä
Suspension warning lamp
(yellow) *T
he yellow AIR BODY CONTROL warning lamp is lit.
The yellow DYNAMIC BODY CONTROL warning lamp is lit.
A fault has occur red in the AIR BODY CONTROL.
A fault has occur red in theDY NAMIC BODY CONTROL. #
Notethe messages on the instrument displa y.Dr
Dr
iving safe
iving safe ty syst
ty systems
ems W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
!
ABS warning lamp *T
he yellow ABS warning lamp is lit while theve hicle is running.
ABS is malfunctioning.
If an additional warning tone sounds, EBD is malfunctioning.
Other driving systems and driving sa fety systems may also be malfunctioning. #
Notethe messages on the instrument displa y. &
W WARNI NG
ARNI NGThere is a risk of skidding if EBD or ABS is malfunctioning
The wheels may lock during braking.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addition,
ot her driving saf ety sy stems are swit ched o.. 440 440
Display messages and
warning/indicator lamps

A
A
ctiv
ctiv e Speed Limit Assist
e Speed Limit Assist
Display................................................... 200
Fu nction................................................ 200
A
A ctiv
ctiv eSt
e St eer
eer ing Assist
ing Assist
Ac tivating/deactivating.......................... 204
Ac tive Emer gency Stop Assist................ 205
Fu nction................................................ 203
System limits......................................... 203
A
A ctiv
ctiv e
eTr
Tra1c
a1c Jam Assist
Jam Assist
Ac tivating/deactivating.......................... 203
Fu nction................................................ 202
A
A dap
dap tiv
tive br
e br ak
ake lights
e lights .................................... 190
A
A dap
dap tiv
tive cr
e cr uise contr
uise contr ol
ol
see Active Distance Assist DISTRONIC
A
A dap
dap tiv
tive Highbeam Assist
e Highbeam Assist
Ac tivating/deactivating.......................... 131
Fu nction................................................ 130
A
A dap
dap tiv
tive Highbeam Assis
e Highbeam Assist Plus t Plus
Fu nction................................................ 131
Switching on/o..................................... 132
A
A dBlue
dBlue ®
®
Ad ditives................................................ 362
Capacity................................................ 363 No
tes..................................................... 174
Purit y.................................................... .362
To pping up............................................ .175
A
A dditional door lock
dditional door lock ....................................... 77
A
A dditiv
dditiv es
es
Ad Blue ®
................................................ .362
Engine oil............................................... 363
Fu el....................................................... 360
A
A dditiv
dditiv es (A
es (AdBlue
dBlue ®
®
)
)
see AdBlue ®
A
A dditiv
dditiv es (engine oil)
es (engine oil)
see Additives
A
A dditiv
dditiv es (fuel)
es (fuel)
see Fuel
ADS PL
ADS PL US dam
US dam ping syst
ping syst em
em
see AIR BODY CONTROL
ATer
ATer -sales
-sales ser
service
vice
see AS SYST PLUS
AIR BOD
AIR BOD Y C
Y CONTR
ONTR OL
OL
Setting................................................... 218
Suspension............................................ 217
Air conditioning menu
Air conditioning menu Calling up.............................................. 143 Air dis
Air distr
tribution
ibution
Setting................................................... 142
Setting (MBUX multimedia system)......... 144
Air fr Air fr eshener syst
eshener syst em
em
see Frag rance system
Air inlet
Air inlet
see Air-water duct
Air pr
Air pr essure
essure
see Tyre pressure
Air suspension
Air suspension
see AIR BODY CONTROL
Air v
Air v ents
ents
Ad justing (front)..................................... 151
Ad justing (rear)...................................... 151
Ad justing the AIRSCARF vents................ 152
Air v
Air v ents
ents
see Air vents
Air
Air -conditioning syst
-conditioning syst em
em
see Climate cont rol
Air
Air -r
-recir
ecir culation mode
culation mode.................................. 145
Air
Air -w
-wat
ater duct
er duct
Ke eping free.......................................... 305 446
446
Index

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

A
A
ut
ut omatic co-dr
omatic co-dr iv
iver airbag
er airbag shut
shuto.
o.
Fu nction of co-driver airbag shuto........... 49
A
A ut
ut omatic dist
omatic dist ance contr
ance control
ol
see Active Distance Assist DISTRONIC
A
A ut
ut omatic dr
omatic dr iving lights
iving lights ................................ 126
A
A ut
ut omatic engine st
omatic engine st art
art
see ECO start/stop function
A
A ut
ut omatic engine st
omatic engine st op
op
see ECO start/stop function
A
A ut
ut omatic fr
omatic fr ont passeng
ont passeng er airbag
er airbagshut
shuto.
o.
PA SSENGER AIR BAG indicator la mps...... 50
A
A ut
ut omatic mirr
omatic mirr or f
or folding function
olding function
Ac tivating/deactivating.......................... 141
A
A ut
ut omatic seat adjus
omatic seat adjustment tment
Setting................................................... 105
A
A ut
ut omatic tr
omatic tr ansmission
ansmission
DIRECT SELECT le ver............................. 167
Drive prog ram displa y............................ 166
Drive prog rams...................................... 165
DY NAMIC SELECT switch....................... 165
Engaging drive position.......................... 169
Engaging reve rsege ar............................ 168
Kickdown............................................... 170 Manual
gear changing........................... .169
Selecting park position........................... 168
St eering wheel gearshiT paddles............ 169
Tr ansmission position displ ay................. 167
Tr ansmission position s........................... 167
Axle load
Axle load
Perm issible............................................ 356
Tr ailer operatio n.................................... .369 B B
Bad w
Bad w eat
eather light
her light ......................................... 129
Bag hook
Bag hook..................................................... 119
Ball neck
Ball neck Folding out/in........................................ 240
B
B AS (Br
AS (Br ak
ake Assis
e Assist Syst t System)
em)........................... 186
Batt
Batt ery
ery
Re mo tecont rol (stationary heater)......... 149
Batt
Batt er
ery (ke
y (ke y)
y)
Re placing................................................. 76
Batt
Batt er
ery (v
y (v ehicle)
ehicle)
Charging (Remo teOnline)..................... .155
No tes..................................................... 322 No
tes (starting assis tance and charg-
ing)........................................................ 324
Belt
Belt see Seat belt
Bicy
Bicy cle r
cle r ack
ack
Load capacit y........................................ 369
Tr ailer operatio n.................................... .244
Blind Spo
Blind Spo t Assist
t Assist
Ac tivating/deactivating.......................... 214
Fu nction................................................ 212
System limi tations.................................. 212
Blow
Blow er
er
see Clima tecont rol
BlueTEC
BlueTEC see AdBlue ®
Bonnet
Bonnet Function (active bonnet)......................... 299
Opening/closing.................................... 299
Boo
Boo t lid
t lid
Closing.................................................... 82
HANDS-FREE ACCESS............................. 83
Locking separatel y................................... 84
Opening................................................... 82 448 448
Index

Opening dimensions.............................. 367
Boo
Boo t separ
t separ at
ator
or
Closing................................................... .87
Opening.................................................. .87
Br
Br ak
ak e Assis
e Assist Syst t System
em
see BAS (Brake Assist System)
Br
Br ak
ak e
e0uid
0uid
No tes..................................................... 365
Br
Br ak
ak e f
e f or
orce disce distr tribution
ibution
EBD (Elect ronic Brake forc e Distribu-
tion).......................................................1 88
Br
Br ak
ak es
es
ABS (Anti-lock Braking System).............. 185
Ac tive Brake Assist................................. 205
Ad aptive brake lights.............................. 190
BAS (Brake Assist System).................... .186
Driving tips............................................ 158
EBD (Electronic Brake forc e Distribu-
tion).......................................................1 88
HOLD function....................................... 188
Limited braking e.ect (salt-treated
ro ads)................................................... .158
Ne w/replaced brake linings/brake
discs...................................................... 156 Ru
nning-in no tes.................................... 156
Br
Br aking assist aking assist ance
ance
see BAS (Brake Assist System)
Br
Br eakdo
eakdo wn
wn
Overvi ewofthe help functions................. 16
To w- starting........................................... 332
To wing away.......................................... 328
Tr anspo rting theve hicle........................ .330
Wheel chang e........................................ 346
Br
Br ea kdo
eakdo wn
wn
see Flat tyre
Butt
Butt ons
ons
St eering wheel....................................... 249 C
C
Calls
Calls Mercedes me......................................... 277
Camera
Camera Information............................................ 183
Camera
Camera see 360° Camera
see Dashcam
see Reversing camera Car
key
Car key
see Key
Car w Car w ash
ash
see Care
Car w
Car w ash (car
ash (car e)
e)............................................ 305
Car
Car -t
-to-X
o-X -Communication
-Communication
Displaying hazard warnings.................... 271
Care
Care 360° camera......................................... 311
Air-water duct........................................ 305
Automatic car wash.............................. .305
Carpet................................................... 312
Decorative foil........................................ 308
Display................................................... 312
Draught stop.......................................... 310
Exterior lighting...................................... 311
Fo lding draught stop.............................. 310
Head-up display..................................... 312
High-pressure cleaner............................3 06
Pa int...................................................... 307
Plastic trim............................................3 12
Re alwo od/trim elements..................... .312
Re versing camera..................................3 11
Ro of lining............................................. 312 Index
449 449

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

Fr
ont-passenger airbag disabled See
Owner's Manual .................................... .373
Fr ont-passenger airbag enabled See
Owner's Manual .................................... .373
Hazard warning lamps malfunctioning .... 382
Head-up display cur rently una vailable
See Owner's Manual.............................. 385
Head-up display inoperative ...................385
Limiter inoperative................................. 400
Limiter passive....................................... 400
Mo tor can be star ted again .................... 419
N permanently active Risk of vehicle
ro lling....................................................3 92
Only select Park (P) when vehicle is
stationary.............................................. 391
Pa rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 411
Place theke y in the mar ked space
See Owner's Manual.............................. 376 PRE-SAFE inoperative See Owner's
Manual.................................................. 374
Re duce speed........................................ 422
Re versing not poss. Consult workshop ... 393
Risk of vehicle rolling Driver door
open and transmission not in P .............. 392
Ru n Flat Indica tor inoperative................. 423
Speed limit (winter tyres) XXX km/h .......402
St op vehicle Lea veengine running
Wa itTransmission cooling ......................393
To shiT out of P or N,depress brake
and start engine.................................... .391
To switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 388
Tr a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 404
Tr a1c Sign Assist inoperative................. 404
Tr ansmission Malfunction Stop............... 393 Ty
re press. monitor cur rently una vaila-
ble......................................................... 419
Ty re press. monitor inoperative .............. 419
Ty re press. monitor inoperative No
wheel sensors ........................................ 420
Ty re pressure Check tyres ...................... 422
Ty re(s) ove rheated .................................. 422
Wi per malfunctioning .............................388
Wi thout changing gear, consult work-
shop ...................................................... 392
Dist Dist ance contr
ance contr ol
ol
see Active Distance Assist DISTRONIC
DIS
DIS TR
TRONIC
ONIC
see Active Distance Assist DISTRONIC
Door
Door Additional door loc k................................. 77
Locking/unlocking (emer gency key)........ .81
Opening (from inside).............................. .78
Po we r closing function............................. 80
Unlocking (from inside)............................ 78
Door contr
Door contr ol panel
ol panel......................................... 14 456
456
Index

Dr
Dr
aught st
aught st op
op
Care...................................................... 310
Dra
Dra wbar
wbar
see Tow- bar system
Dr
Dr iv
ive Awa
e Away Assi st
y Assi st........................................ .235
Dr
Dr iv
ive position
e position
Engaging................................................ 169
Dr
Dr iv
ive pr
e pr ogr
ogram display
am display .................................. 166
Dr
Dr iv
ive pr
e pr ogr
ograms
ams
see DYNAMIC SELECT
Dr
Dr iv
iver's seat
er's seat
see Seat
Dr
Dr iving abr
iving abr oad
oad
Light adjustment (l owbeam).................. 125
Dr
Dr iving safe
iving safe ty syst
ty system
em
ABS (Anti-lock Braking System)............. .185
Ac tive Brake Assist................................. 205
Ad aptive brake lights.............................. 190
BAS (Brake Assist System).................... .186
Cameras................................................1 83
EBD (Electronic Brake forc e Distribu-
tion).......................................................1 88
ESP ®
Crosswind Assist.......................... 187 ESP
®
trailer stabilisation........................ 187
Overview................................................ 184
Ra dar and ultrasonic sensor s................. 183
Re sponsibility......................................... 183
ST EER CONTROL................................... 188
Dr
Dr iving syst
iving syst em
em
DY NAMIC BODY CONTROL.................... 217
Dr
Dr iving syst
iving syst em
em
see 360° Camera
see Active Blind Spot Assist
see Active Distance Assist DISTRONIC
see Active Emer gency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assist
see Active Steering Assist
see AIR BODY CONTROL
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise cont rol
see Driving saf ety sy stem
see HOLD function
see Limi ter
see Parking Assist PARKTRONIC
see Reversing camera see
Tra1c Sign Assist
Dr
Dr iving tips iving tips
Driving abroad (low beam light adjust-
ment)..................................................... 125
Gene ral driving tips................................1 58
optimised acceleration........................... 157
Ru nning-in no tes.................................... 156
Dr ow
Dr ow siness det siness det ection
ection
see ATTENTION ASSIST
D
D YN
YNAMIC BOD AMIC BOD Y C
Y CONTR
ONTR OL
OL
Chassis.................................................. 217
Dynamic handling contr
Dynamic handling contr ol syst
ol system
em
see ESP ®
(Electronic Stability Prog ram)
D
D YN
YNAMIC SELECT AMIC SELECT
Calling up the fuel consum ption indi-
cator...................................................... 167
Con/guring drive prog ram I................... .166
Displaying engine data........................... 166
Displaying vehicle dat a........................... 166
Drive prog ram displa y............................ 166
Drive prog rams..................................... .165
Fu nction................................................ 165
Ope rating (DYNAMIC SELECT switch)..... 166
Selecting the drive prog ram.................. .166 Index
457 457