start stop button MERCEDES-BENZ E-CLASS CABRIOLET 2021 Owners Manual

R
aTer pressing the start/s top button with the
ke y in the st owage compartment
(/ page 155)
R aTer unlocking theve hicle using KEYLESS-GO
R when using HANDS-FREE ACCESS Pr
Pr
iming/deactiv
iming/deactiv atingtow
ating tow-awa
-a wa y pr ot
y pr otection
ection Multimedia system:
4 © 5
Settings 5
Quick access #
Prime or deactivate Tow-away protection.
To w- awa y protection is primed again in thefo llo w-
ing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again.
% Ifqu ick access is una vailable, select theVehi-
cle submenu in theSettings main menu to
prime or deactivate tow- awa y protection. F
F
unction of int
unction of int er
erior pr ot
ior pr otection
ection When interior pr
otection is primed, a visual and
audible alarm is triggered if mo vement is de tected
in theve hicle interior.
Interior pr otection is primed automatically aTer
appr oximately ten seconds:
R aTer locking theve hicle with thekey
R aTer locking theve hicle using KEYLESS-GO
Interior pr otection is only primed when thefo llo w-
ing components are closed:
R doors
R boot lid
Interior pr otection is automatically deactivated:
R aTer pressing theÜ orp button on the
key
R aTer pressing the start/s top button with the
ke y in the st owage compartment
(/ page 155)
R aTer unlocking theve hicle using KEYLESS-GO
R when using HANDS-FREE ACCESS The
following situations can lead toafa lse alarm:
R when there are moving objects such as mas-
cots in theve hicle interior
R when a side wind owis open Pr
Pr
iming/deactiv
iming/deactiv ating int
ating inter
erior pr ot
ior pr otection
ection Multimedia system:
4 © 5
Settings 5
Quick access #
Prime or deactivate Interior motion sensor .
Interior pr otection is primed again in thefo llowing
cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again.
% Ifqu ick access is una vailable, select theVehi-
cle menu under Settingstoprime or deacti-
va te interior pr otection. Opening and closing
97 97

R
V
Vehicles wit
ehicles wit h a 48 V on-boar
h a 48 V on-boar d electr
d electrical sy
ical sys-
s-
t
t em:
em:
- youre lease the brake pedal on a downhill
gr adient and theve hicle does not roll.
- theve hicle rolls on a downhill gradient and
does not automatically enter glide mode at
20 km/h.
ECO start/stop function symbols in the inst ru-
ment displa y:
R the symbol è(gre en) appears when the
ve hicle is at a standstill: the engine was
switched o. bythe ECO start/s top function.
R the symbol ç(yellow) appears when the
ve hicle is at a standstill: not all vehicle condi-
tions for an engine stop ha vebeen met.
R neither the symbol ènorç appears
when theve hicle is at a standstill: an intelli-
ge nt stop inhibitor was de tected, e.g. a stop
sign.
R the symbol sappears: the ECO start/s top
function is deactivated or there is a malfunc-
tion. If
th e engine was switched o. bythe ECO start/
stop function and you lea vetheve hicle, a warning
to ne sounds and the engine is not restar ted. In
addition, thefo llowing display message appears in
th e inst rument displa y:
Vehicle is operational Switch off ignition before
exiting
If yo u do not switch o. theve hicle, it is automati-
cally switched o. aTer thre e minutes. Deactiv
Deactiv ating or activ
ating or activ ating t ating the EC
he ECO st
O star
art/st
t/st op
op
function
function #
Press button 1.
If indicator lamp 2lights up, the ECO start/
stop function is activated.
% Depending on the model and theve hicle
equipment, the button may also be located at
a di.erent position in the centre console. 162
162
Driving and parking

Calling up applications using butt
Calling up applications using butt
ons
ons1
% button calls up thete lephone
2 z button calls up navigation
3 | button calls up radio or media
4 y button calls up vehicle functions
5 ß button
Press brie0 y:calls up favo urites
Press and hold: adds a favo urite or creates a
new theme #
Alternativel y,tap© ontheto uchscreen. #
Call up the application (/ page 256). F
F
unctions of LIN
unctions of LIN GUA
GUATR
TRONIC
ONIC &
W
WARNING
ARNING Risk of distraction due toinfor-
mation systems and communications
equipment
If yo u operate information systems and com-
munications equipment integ rated in theve hi-
cle when driving, you could be distracted from
th e tra1c situation. This could also cause you
to lose control of theve hicle. #
Only operate this equipment when the
tra1c situation pe rmits. #
Ifyo u cannot be sure of this, stop the
ve hicle in accordance with the tra1c
conditions and operate the equipment
with theve hicle stationar y. Fo
ryo ur ow n sa fety, alw ays obser vethefo llowing
points when operating mobile communications
equipment and especially your voice control sys-
te m:
R Obser vethe legal requ irements forth e coun-
try in which you are driving. R
Ifyo u use thevo ice control system in an emer-
ge ncy your voice can change and your tele-
phone call, e.g. an emer gency call, can
th ereby be unnecessarily dela yed.
R Familiarise yourself with thevo ice control sys-
te m functions before starting the journe y.
Wi th LINGU ATRO NIC, various applications in the
MBUX multimedia system are ope rable using
vo ice input. LINGU ATRO NIC is operational appr ox-
imately thirty seconds aTer the ignition is
switched on and is available forth e driver's seat
and front passenger seat.
The following multimedia system applications can
be operated:
R Telephone
R Text message and e-mail
R Navigation
R Address book
R Radio
R Media
R TV
R Vehicle functions MBUX multimedia system
259 259

ASS
YS
ASS YST PL
T PL US ser
US ser vice int
vice int erv
erval display
al display F
F
unction of t
unction of t he ASSYS
he AS SYST PL
T PL US ser
US ser vice int
vice int erv
erval dis-
al dis-
play
play The ASS
YST PLUS service inter val display on the
inst rument display informs you of the time or dis-
ta nce remaining before the next service due date.
Yo u can hide this service display using the back
button Gonthe leT-hand side of the steering
wheel.
Depending on how theve hicle is used, the
ASS YST PLUS service inter val display may shor ten
th e service inter val, e.g. in thefo llowing cases:
R Mainly short-distance driving
R When the engine is oTen leT idling for long
periods
R Intheev ent of frequent cold start phases
R V
V ehicles wit ehicles wit h a diesel par
h a diesel par ticulat
ticulate
e/lt
/lt er:
er: inthe
ev ent of frequently inter rupted rege neration of
th e diesel particulate /lter
Mercedes-Benz recommends avoiding such oper-
ating conditions. Yo
u can obtain information concerning the servic-
ing of your vehicle from a quali/ed specialist
wo rkshop, e.g. a Mercedes-Benz service cent re. Displa
Displa
ying t
ying t he ser
he ser vice due date
vice due date On-board computer:
4 Service 5
ASSYST PLUS
The next service due date is displa yed. #
T
T o e
o e xit t
xit t he displa y:
he displ ay:press the back button
G onthe leT-hand side of the steering
wheel.
Bear in mind thefo llowing related topic:
R Operating the on-board computer
(/ page 249). Inf
Inf
or
ormation on r
mation on r egular maint
egular maint enance w
enance work
ork *
N
NOOTE
TE Premature wearthro ugh failure to
obser veservice due dates Main
tenance workwhich is not car ried out at
th eright time or inco mplete ly can lead to
increased wear and damage totheve hicle. #
Adhere tothe prescribed service inter-
va ls. #
Always ha vethe prescribed maintenance
wo rkcar ried out at a quali/ed specialist
wo rkshop. N
No
ot
tes on special ser
es on special ser vice r
vice req
equir
uir ements
ements The prescribed service inter
val is based on nor-
mal operation of theve hicle. Ha vethe mainte-
nance workcar ried out more oTen than prescri-
bed if operating conditions are di1cult or the
ve hicle is subject toincreased stress.
The ASS YST PLUS service inter val display is only
an aid. The driver of theve hicle bears responsibil-
ity as rega rdsto whe ther maintenance work
needs tobe per form ed more oTen than speci/ed
based on the actual operating conditions and/or
loads.
Examples of arduous operating conditions:
R Regular city driving with frequent intermediate
stops
R Mainly short-distance driving 298 298
Maintenance and care

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
¥
Top up washer fluid *T
hewasher 0uid le vel in thewa sher 0uid reser voir has dropped below the minimum. #
Top up thewa sher 0uid (/ page 304).
Wiper malfunctioning *The windscreen wiper is malfunctioning. #
Restart theve hicle.
If th e display message still appears: #
Consult a quali/ed specialist workshop. Engine
Engine
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
To switch off the engine,
press the Start/Stop but-
ton for at least 3 seconds
or 3 times. *Y
ou ha vepressed the start/s top button while theve hicle is in motion. #
Information about switching o. theve hicle while driving (/ page 154).
Cannot start engine See
Owner's Manual *T
hevehicle cann otbe star ted. #
Switch theve hicle o. and switch it back on 388 388
Displ
aymessages and warning/indicator lamps

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

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