light MERCEDES-BENZ E-CLASS CABRIOLET 2021 Owners Manual

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
#
Electrical fault warning lamp *T
hered electrical fault warning lamp is lit.
There is a fault in the electrics. #
Notethe messages on the instrument displa y.
8
Fu elreser vewarning lamp
lights up *T
he yellow fuel reser vewarning lamp lights up while the engine is running.
The fuel supply has dropped into there ser verange. #
Refuel. 436
436
Display messages and
warning/indicator lamps

Dr
Dr
iving syst
iving syst ems
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
L
Wa rning lamp for distance
wa rning function *T
he red distance warning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obstacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the distance.
Fu nction of Active Brake Assist (/ page 205).
Ó Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
Due todirty sensors or a malfunction, the system is not available or thera nge of functions is restric ted. #
Notethe messages on the instrument displa y.
ê
Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
The system is switched o. or thera nge of functions has been automatically restric ted.
This may be the case if the driver is not wearing a seat belt or ano ther driving system has been activated. #
Obser vethe no tes on Active Brake Assist (/ page 205). Display messages and
warning/indicator lamps
439
439

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Drive on carefull y. #
Have the brake system checked immediately at a quali/ed specialist workshop. ÷
ESP ®
wa rning lamp 0ashes *
The yellow ESP ®
wa rning lamp 0ashes while theve hicle is in motion.
One or more wheels ha vereached their grip limit (/ page 186). #
Adapt your driving style tosuit thero ad and weather conditions.
÷ ESP ®
wa rning lamp lights up *
The yellow ESP ®
wa rning lamp is lit while theve hicle is running.
ESP ®
is malfunctioning.
Other driving systems and driving sa fety systems (e.g. BAS) may also be malfunctioning. #
Notethe messages on the instrument displa y. &
W
W ARNI NG
ARNI NGRisk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot carr y outvehicle stabilisation. In addition, other driving saf ety sy stems are
swit ched o.. #
Drive on carefull y. #
Have ESP ®
ch ecked at a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
441
441

T
T
yr
yr e pr
e pr essur
essur e monit
e monit or
or W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
h
Ty re pressure monitoring
system warning lamp 0ashes *The
yellow tyre pressure monitor warning lamp (pressure loss/malfunction) 0ashes for appr oximately one minute and
th en remains lit.
The tyre pressure monitor is malfunctioning. &
W
WARNING
ARNING There is a risk of an accident if the tyre pressure monitoring system is malfunctioning
The tyre pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tyres.
Ty res with insu1cient tyre pressure may impair the driving characteristics as well as steering and braking. #
Have the tyre pressure monitoring system checked at a quali/ed specialist workshop. h
Ty re pressure monitoring
system warning lamp lights
up *T
he yellow tyre pressure monitoring system warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring system has de tected tyre pressure loss in at least one of the tyres. &
W
W ARNING
ARNING Risk of an accident due toinsu1cient tyre pressure
R The tyres can burst.
R The tyres can wearexcessively and/or une venly.
R The driving characteristics as well as the steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. Display messages and
warning/indicator lamps
443
443

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

Climate style function............................ 144
Demisting the windscreen...................... 142
Demisting windo ws................................ 145
Fr ont air vents........................................ 151
Inserting/removing the 0acon (fra-
gr ance system)...................................... 146
Ionisatio n............................................... 145
No te...................................................... 142
Re ar air vents......................................... 151
Re sidual heat......................................... 145
Setting (MBUX multimedia system)......... 143
Setting the air distribution...................... 142
Setting the air0ow.................................. 142
Setting the climate style......................... 144
Setting the frag rance system.................. 145
Setting theve hicle interior temp era-
ture....................................................... 142
St ationary heater/ ventilation................. 147
Switching there ar wind owheater
on/o.................................................... 142
THERM ATIC cont rol panel...................... 142
THERMOTRONIC control panel............... 142
Ve ntilating theve hicle (con venience
opening).................................................. 93 Climat
Climat e s e stytyle
le
Fu nction................................................ 144
Setting.................................................. .144
Co-dr
Co-dr iv
iver airbag
er airbag shut
shuto.
o.
see Automatic co-driver airbag shuto.
Coc
Coc kpit
kpit
Overview.................................................... 6
Co.ee
Co.ee cup symbol
cup symbol
see ATTENTION ASSIST
Combination switch
Combination switch .................................... .127
Com
Com ponent-speci/c
ponent-speci/c inf
infor
ormation
mation................... 355
Com
Com put
puter
er
see On-board computer
Conv
Conv enience closing
enience closing...................................... 94
Conv
Conv enience opening
enience opening..................................... 93
Coolant (engine)
Coolant (engine) Levelch eck............................................ 303
No tes..................................................... 365
Cooling
Cooling see Climate control
Cop Cop yr yright
ight....................................................... 38
Cor
Cor ner
nering light
ing light............................................. 128 Cr
Cr oss
oss tr
tra1c
a1c (w
(war
arning)
ning)
see Manoeuvring assis tance
Cr
Cr oss
oss Tr
Tra1c
a1c Alert
Alert........................................ 236
Cr
Cr osswind Assist
osswind Assist
Fu nction/no tes...................................... 187
Cr
Cr uise contr
uise contr ol
ol
Ac tivating............................................... 193
Buttons.................................................. 193
Calling up a speed................................. 193
Deactivating........................................... 193
Fu nction................................................ 192
Re quirements:....................................... 193
Selecting............................................... 193
Setting a speed...................................... 193
St oring a speed...................................... 193
System limitations.................................. 192 D D
Dashboard Dashboard see Cockpit
Dashcam Dashcam Notes..................................................... 272
Selecting a USB device......................... .273
St arting/stopping a video recording...... .273 Index
451 451