buttons MERCEDES-BENZ E-CLASS CABRIOLET 2021 Owners Manual

Climat
Climat
e contr
e contr ol
ol...........................................1 42
142
Overview of climate control systems ............ 142
Operating the climate control system .......... 143 Dr
Dr
iving and par
iving and par king
king..................................... 153 153
Driving ........................................................1 53
DY NAMIC SELECT switch ........................... .165
Au tomatic transmission .............................. .167
Fu nction of the 4MATIC ...............................1 71
Re fuelling .................................................... 171
Pa rking .......................................................1 77
Driving and driving saf ety sy stems ............... 183
Tr ailer hitch ................................................ .239
Bicycle rack function ................................... 244
Ve hicle towing instructions .......................... 245 Ins
Ins
tr
trument displa
ument displa y and on-boar
y and on-boar d com-
d com-
put
put er
er........................................................... 247 247
No tes on the inst rument display and on-
board computer .......................................... 247
Overview of instrument display .................... 248
Overview of buttons on the steering wheel ... 249
Operating the on-board computer ................2 49Overview of displa
yson the inst rument
display ........................................................ 251
Head-up display .......................................... 251 MBUX multimedia syst MBUX multimedia syst
em
em........................... .254
254
Overview and operation ............................... 254
System settings .......................................... 262
Na vigation .................................................. .266
Te lephone ................................................... 274
Mercedes me app ....................................... 277
Mercedes-Benz emer gency call system ....... 286
Ra dio, media & TV....................................... 290
Sound settings ............................................ 296 Maint Maint
enance and car
enance and car e
e................................. 298 298
ASS YST PLUS service inter val display .......... 298
Engine compartment ................................... 299
Cleaning and care ....................................... 305 Br Br
eakdo
eakdo wn assist
wn assist ance
ance................................. 315 315
Emer gency .................................................. 315
Flat tyre ...................................................... 317
Battery (vehicle) .......................................... 322 To
w- starting or towing away ........................ 328
Electrical fuses ............................................ 332 Wheels and tyr Wheels and tyr
es
es........................................ .336
336
No tes on noise or unusual handling char-
acteristics ................................................... 336
No tes on regula rly inspecting wheels and
tyres .......................................................... .336
No tes on snow chains ................................. 336
Ty re pressure .............................................. 337
Wheel change ............................................. 341
Emer gency spa rewheel .............................. .351 T T
ec
ec hnical dat
hnical dat a
a............................................. 353 353
No tes on tech nical data .............................. 353
On-board electronics ................................... 353
Re gula tory radio identi/cation and no tes ..... 355
Ve hicle identi/cation plate, VIN and
engine number overview .............................. 356
Operating 0uids ...........................................3 58
Ve hicle data ................................................ 367
Tr ailer hitch ................................................ .368 Contents
3 3

#
T To activ o activ at
at e/deactiv
e/deactiv at
ate:
e: press button 2.
Opening/closing the side window in there ar
is possible:
R indicator lamp 1is lit: via the switch on
th e driver's door
R indicator lamp 1is o.: via the switch on
th e cor responding rear door or driver's
door N
No
ot
tes on pe
es on pe ts in t
ts in the v
he v ehicle
ehicle &
W
WARNING
ARNING Risk of accident and injury due
to animals leT unsecured or unat tended in
th eve hicle
If yo u lea veanimals in theve hicle unat tended
or unsecured, they could press buttons or
switches, for instance.
An animal ma y:
R activate vehicle equipment and become
trapped, forex ample
R switch systems on or o. and endanger
other road users
Unsecured animals may be thro wn about the
ve hicle in theev ent of an accident, or sudden
steering and braking manoeuvres, and injure
ve hicle occupants. #
Never lea veanimals unat tended in the
ve hicle. #
Always cor rectly secure animals while
driving, e.g. using a suitable animal car-
ri er. Occupant saf
ety
73 73

A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the acous
he acous tic loc
tic locking
kingv
ver
er i/-
i/-
cation
cation signal
signal Multimedia system:
4 © 5
Settings 5
Vehicle #
Activate or deactivate Acoustic lock.
% Please observ
Please observ e:
e:
The selected setting forth e acoustic locking
ve ri/cation signal must comply with there le-
va nt national road and tra1c regulations. In
some countries, including German y,using the
acoustic locking veri/cation signal is forbid-
den bytra1c la ws(in accordance with §16
Pa ra. 1 and §30 Para. 1 of the German
national road tra1c regulations). The driver of
th eve hicle must comply with these regula-
tions. In countries where the use of this func-
tion is forbidden, this function is not activated
in theve hicle and must not be activated. Changing t
Changing t
he unloc
he unlocking se
king se ttings
ttings Po
ssible unlocking functions of theke y:
R Central unlocking
R Unlocking the driver's door and fuel /ller 0ap #
T
To switc
o switc h be
h betw
tween se
een se ttings:
ttings: presstheÜ
and ß buttons simultaneously for appr ox-
imately six seconds until the indicator lamp
0ashes twice.
Options if the unlocking function forth e driver's
door and fuel /ller 0ap has been selected:
R T
To unloc
o unloc k t
k the v
he v ehicle centr
ehicle centr ally:
all y: press the
Ü button twice.
R V
Vehicles wit
ehicles wit h KEYLESS-GO:
h KEYLESS-GO: ifyo uto uch the
inner sur face of the door handle on the driv-
er's door, only the driver's door and the fuel
/ller 0ap are unloc ked. Deactiv
Deactiv
ating t
ating the function of t
he function of t hekey
he key V
V
ehicles wit
ehicles wit h KEYLESS-GO:
h KEYLESS-GO: ifyo u deactivate the
function of theke y,the KEYLESS-GO functions are
also deactivated. Access or drive authorization by
KEYLESS-GO is then no longer possible with that
particular key.Activate the function of theke y so
th at all its functions will again be available.
Yo u can also deactivate the function of theke yto
re duce the energy consum ption of theke y if you do not use
theve hicle or a keyfo r an extended
period of time. #
T
To deactiv
o deactiv at
ate:
e: press theß button on the
ke y twice in quick succession.
The key indicator lamp 0ashes twice brie0y
and lights up once. #
T
To activ
o activ at
ate:
e: press any but ton on thekey.
% When theve hicle is star ted with theke y in the
st ow age compartment of the centre console,
th e function of theke y is automatical lyactiva-
te d (/ page 155). Opening and closing
75
75

#
If someone is trapped, release the but-
to n immedia tely or press the button in
order toreopen the side windo w. &
W
WARNI NG
ARNI NGRisk of becoming trapped when
ch ildren operate the side windo ws
Children could become trapped if they operate
th e side windo ws,particular lywhen unat ten-
ded. #
Activate thech ild saf ety lock forth ere ar
side wind ows. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Never lea vechildren unattended in the
ve hicle. R
R
eq
eq uir
uir ements:
ements:
R The po wer supply or theve hicle has been
switched on. 1
Closing
2 Toopen
The buttons on the driver's door take precedence. #
T
To st
o st ar
art aut
t aut omatic oper
omatic oper ation:
ation:presstheW
button be yond the point of resis tance or pull
and release it. #
T
To int
o int err
err up
upt aut
t aut omatic oper
omatic oper ation:
ation:press or pull
th eW button again. %
Automatic operation for closing is available
only forth e front side windo ws.
When theve hicle is switched o., you can con-
tinue tooperate the side windo ws.
This function is available for around four minutes
or until a door is opened. All side windo
wscan be opened or closed simul-
ta neous lyusing button 1. 92
92
Opening and closing

Children in particular could accidentally press
th e electrical seat adjustment buttons and
become trapped. #
While moving the seats, make sure that
hands or other body parts do not get
under the le ver assembly ofthe seat
adjustment system. &
W
WARNING
ARNING Risk of injury due tohead
re straints not being /tted or being adjus-
te d incor rectly
If head restraints ha venot been installed or
ha ve not been adjusted cor rectl y,there is an
increased risk of injury in the head and neck
area, e.g. in theeve nt of an accident or when
braking. #
Always drive with the head restraints /t-
te d. #
Before driving o., make sure forev ery
ve hicle occupant that the centre of the
head restraint supports the back of the
head at about eye le vel. Do not inter
change the head restraints of the
front and rear seats. Otherwise, you will not be
able toadjust the height and angle of the head
re straints co rrectl y.
Ad just the head restraint fore -and-aT position so
th at it is as close as possible tothe back of your
head. &
W
WARNING
ARNING Risk of injury or death due to
incor rect seat position
The seat belt will not o.er the intended le vel
of pr otection if you ha venot mo vedth e seat
backrest toan almost vertical position.
In particular, you may slip under the seatbelt
and injure yourself. #
Adjust the seat proper lybefore begin-
ning your journe y. #
Always ensu rethat the seat backrest is
in an almost vertical position and that
th e shoulder section of your seat belt is
ro uted across the centre of your shoul-
der. &
W
WARNING
ARNING Risk of injury due toexcessive
st ra in on thegr ab handle
If yo u apply your full body weight tothegr ab
handle or pull it abruptl y,thegr ab handle may
be damaged or become loose from its anchor-
age. #
Use thegr ab handles only tostabilise
th e seating position or toassist in get-
ting in and out of the seat. &
W WARNING
ARNING Risk of injury or death due to
objects under the co-driver seat
Objects trapped under the co-driver seat can
inter fere with the function of the automatic
co-driver airbag shuto. or damage the system. #
Do not store any objects under the co-
driver seat. #
When the co-driver seat is occupied,
make sure that no objects are trapped
under the co-driver seat. 100
100
Seats and st
owing

Ov
Ov
er
ervie
vie w of climat
w of climat e contr
e control syst
ol systems
ems N
No
ot
tes on climat
es on climat e contr
e control
ol An interior air /lter in combination with
the pre/l-
ter inthe engine compartment must alw ays be
used so that the air conditioning system, pollution
le ve l monitoring and the air /lt ration workcor-
re ctl y.Use /lters recommended and appr oved by
Mercedes-Benz. Alw ays ha vemaintenance work
car ried out at a quali/ed specialist workshop. Ov
Ov
er
ervie
vie w of t
w of t he air conditioning contr
he air conditioning contr ol panel
ol panelThe indicator lamps on
the buttons indicate that
th e cor responding function is activated. THERM
ATIC air conditioning cont rol panel with/with-
out stationary heater (e xample)
1 w Setsthete mp erature, leT
2 _ Setsthe air distribution
3 H Setsthe air0ow or switches o. climate
control
4 Ã Sets climate control toautomatic mode
(/ page 144)
5 ¬ Demists the windscreen 6
Vehicles with THERM ATIC air conditioning
cont rol panel (without stationary heater):
t calls up the air conditioning menu
Ve hicles with THERM ATIC air conditioning
cont rol panel (with stationary heater, plug-in
hy brid) or THERMOTRONIC air conditioning
control panel (with/without stationary heater,
plug-in hybrid): ! calls up the air condi-
tioning menu, switches residual heat on/o.
(/ page 145)
7 ¤ Switches there ar wind owheater on/o.
8 Vehicles with THERM ATIC air conditioning
cont rol panel without stationary heater: 0
switches synchronisation on/o.
(/ page 144)
Ve hicles with THERM OTRO NIC air condition-
ing control panel without stationary heater:
¿ switches the A/C function on/o.
(/ page 143)
Ve hicles with a stationary heater: &
switches the stationary heater on/o.
(/ page 147)
Plug-in hybrid: & activates/deactivates
"Immediate pre-ent ryclimate cont rol" 142 142
Climate control

#
Press theu and^ buttons simultane-
ousl y.
The Îsymbol on there mo tecont rol display
will 0ash. #
Use the, and. buttons toset the
desired departure time. #
Press theu and^ buttons simultane-
ousl y.
The new departure time will be stored.
Up tothre e departure times can be stored. #
T
To activ
o activ at
at e t
e t he depar
he depar tur
ture time:
e time: selectthe
desired departure time and press and hold
th eu button.
The Ísymbol, the departure time and,
depending on the selected departure time, the
letter A A, B , B or CCwill appear on the displa y. #
T
To deactiv
o deactiv at
ate t
e t he depar
he depar tur
ture time:
e time: selectthe
desired departure time and press and hold
th e^ button.
OFF
OFF will appear on the displa y. #
T
To c
o c hec
hec k t
k the st
he st atus of t
atus of t he activ
he active st
e stationar
ationar y
y
heat
heat er
er:
:brie0y press theu button. Switc Switc
hing hingo.
o.immediat
immediat ely
ely #
Press and hold the^ button.
Ov
Ov er
ervie
vie w of t
w of t he r
he remot
emot e contr
e contr ol display
ol display s (st
s (station-
ation-
ar
ar y heat
y heat er/v
er/ventilation)
entilation) 1
Stationary ventilation switched on
2 Stationary heater switched on
3 Selected departure time
4 Remaining time forth e stationary heater/
ve ntilation (in minutes)
5 Stationary heater/ ventilation active
6 Departure time activated
7 Signal strength Fu
rther possible displ ays:
R T
Time:
ime: the activated departure time.
R Zer
Zero minut
o minut es:
es:theru nning time forth e station-
ary heater is extended because the engine has
not yetreached operating temp erature when it
is star ted.
R OFF:
OFF: the stationary heater/ventilation is
switched o..
R
R eplacing t
eplacing t he r
he remot
emot e contr
e contr ol batt
ol batt er
ery (st
y (st ationary
ationary
heat
heat er)
er) &
D
DAN
AN GER
GER Risk of fatal injuries if batteries
are swallo wed
Batteries contain toxic and cor rosive subs tan-
ces. Swall owing batteries may cause se vere
internal burns within two hours.
There is a risk of fatal injur y. #
Keep batteries out of there ach of chil-
dren. #
Ifth e co ver and/or lid of the battery
compartment does not close securel y, Climate control
149 149

%
The garage door opener function is alw ays
av ailable when theve hicle is switched on. #
Press and hold but ton1, 2or3 that you
wish toprog ram.
Indicator lamp 40ashes yello w.
% It can take up to20 seconds before the indi-
cator lamp 0ashes yello w. #
Release the pr eviously pressed button.
Indicator lamp 4continues to0ash yello w. #
Point remo tecont rol6 from a distance of
1 cm to8 cm towa rds button 1,2or3. #
Press and hold button 5ofremo tecont rol
6 until one of thefo llowing signals appears:
R Indicator lamp 4lights up green continu-
ousl y.Prog ramming is comple te.
R Indicator lamp 40ashes green. Prog ram-
ming was successful. Additionall y,syn-
ch ronisation of thero lling code with the
door system must be car ried out. #
If indicator lamp 4does not light up or 0ash
gr een: repeat the procedure. #
Release all of the buttons.
% The remo tecont rolfo rth e door drive is not
included in the scope of delivery of thega rage
door opener.
Sync
Sync hr
hronising t
onising t he r
he rolling code
olling code
R
R eq
eq uir
uir ements:
ements:
R The door system uses a rolling code. R
The vehicle must be within range of thega rage
door or door drive.
R The vehicle as well as persons and objects are
located outside thera nge of mo vement of the
door. #
Press the prog ramming button on the door
drive unit.
Initiate the next step within appr oximately
30 seconds. #
Press pr eviously prog rammed button 1,2
or 3 repeatedly until the door closes.
When the door closes, prog ramming is com-
ple ted.
% Please also read the operating instructions for
th e door drive.
T T r
roubleshoo
oubleshoo ting when pr
ting when progr ogramming t
amming t he r
he remo te
emo te
contr
contr ol
ol #
Check if the transmitter frequency of remo te
cont rol6 is suppor ted. #
Replace the batteries in remo tecont rol6. #
Hold remo tecont rol6 atvarious angles from
a distance of 1 cm to8 cm front of the inside
re arview mir ror.Yo u should test every position Driving and parking
179
179

fo
r at least 25 seconds before trying ano ther
position. #
Hold remo tecont rol6 atthe same angles at
va rious distances in front of the inside rear
view mir ror.Yo u should test every position for
at least 25 seconds before trying ano ther
position. #
Onremo tecont rolsth at transmit only for a
limited period, press button 5onremo te
cont rol6 again before transmission ends. #
Angle the aerial line of thega rage door opener
unit towa rdsth ere mo tecont rol.
% Support and additional information on pro-
gr amming:
R Onthe HomeLink ®
Hotline on (0) 08000
466 354 65 or +49 (0) 6838 907-277
R Onthe Internet at https://
www.homelink.com
Opening or closing t
Opening or closing t he g
he gar
arag
ag e door
e door
R
R eq
eq uir
uir ements:
ements:
R The cor responding button is prog rammed to
operate the door. #
Press and hold buttons 1,2or3 until the
door opens or closes. #
If indicator lamp 40ashes yellow aTer
appr oximately 20 seconds: press and hold the
pr ev iously pressed button again until the door
opens or closes.
Clear
Clear ing t
ing the g
he gar
arag
ag e door opener memory
e door opener memory #
Press and hold buttons 1and 3.
Indicator lamp 4lights up yello w. #
If indicator lamp 40ashes green: release
buttons 1and 3.
The entire memory has been dele ted. Electr
Electr
ic par
ic parking br
king br ake
ake F
F
unction of t
unction of t he electr
he electric par
ic parking br
king br ak
ake (appl
e (appl ying
ying
aut
aut omaticall
omaticall y)
y) &
W
WARNING
ARNING Risk of accident and inju rydue
to leaving children unattended in theve hi-
cle
If ch ildren are leT unattended in theve hicle,
th ey could, in particular:
R open doors, thereby endangering other
persons or road users.
R get out and be struck byoncoming tra1c.
R operate vehicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unattended in the
ve hicle. 180
180
Driving and parking

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