air conditioning MERCEDES-BENZ E-CLASS CABRIOLET 2021 Owners Manual

#
Always st owobjects so that they cannot
be thro wn around in such situations. #
Always make sure that objects do not
pr otru de from st owage spaces, lug gage
nets or st owage nets. #
Close the loc kable st owage spaces
before starting a jou rney. #
Always st owand secure heavy, hard,
poin ted, sharp-edged, fragile or bulky
objects in the boot/load compartment. Obser
vethe no tes on loading theve hicle. &
W WARNING ARNING Risk of /re from placing objects
in the mobile phone st owage compart-
ment
Placing other objects in the mobile phone
st ow age compartment could constitute a /re
hazard. #
Apart from a mobile phone, do not place
any other objects in the mobile phone
st ow age compartment, especially those
made of me tal. *
N NOOTE
TE Damage toobjects caused byplac-
ing them in the mobile phone st owage
compartment If objects are placed in
the mobile phone
st ow age compartment, they may be damaged
by electromagnetic /elds. #
Do not place credit cards, data storage
devices, ski passes or other objects sen-
siti vetoelectromagnetic /elds in the
mobile phone st owage compartment. *
N
NOOTE
TE Damage tothe mobile phone st ow-
age compartment caused byliquids If liquids enter
the mobile phone st owage
compartment, the compartment may be dam-
aged. #
Ensure that no liquids enter the mobile
phone st owage compartment. R
Depending on theve hicle equipment, the
mobile phone is connected totheve hicle's
ex terior aerial via thech arging module. R
The charging function and wireless connection
of the mobile phone totheve hicle's exterior
aerial are only available if the ignition is
switched on.
R Small mobile phones may not be able tobe
ch arge d in every position of the mobile phone
st ow age compartment.
R Largemobile phones which do not rest 0at in
th e mobile phone st owage compartment may
not be able tobe charge d or connected with
th eve hicle's exterior aerial.
R The mobile phone may heat up during the
ch arging process. The mobile phone can be
cooled in the mobile phone st owage compart-
ment when the air conditioning system is
switched on. The cooling output in the mobile
phone st owage compartment is highest when
th e controller in the glo vebox is closed.
R Toensure more e1cient charging and connec-
tion with theve hicle's exterior aerial, remo ve
th e pr otective co ver from the mobile phone.
R When charging, the mat should be used if pos-
sible. 122
122
Seats and st
owing

A
A
ctiv
ctiv ating t
ating t he br
he brightness f
ightness f or zones
or zones #
Select Brightness . #
Select Brightness zones .#
Swit chthe function on or o..
or #
Set the brightness forth e desired zones.
A
A ctiv
ctiv ating multi-colour
ating multi-colour ed lighting
ed lighting#
Select Colour. #
Select Multi-colour. #
Select a colour combination.
A
A ctiv
ctiv ating multi-colour
ating multi-colour ed animation
ed animation#
Select Colour. #
Select Multi-colour animat..
The chosen colour combination will change at
prede/ned inter vals.
A
A ctiv
ctiv ating w
ating w elcome lighting
elcome lighting #
Select Colour. #
Select Welcome.
When theve hicle is unloc ked, a special ambi-
ent lighting sequence will run. A
A
ctiv
ctiv ating dependency on air conditioning se
ating dependency on air conditioning se t-
t-
tings
tings #
Select Colour. #
Select Climate .
If ch anges are made tothete mp erature set-
ting in theve hicle, the colour of the ambient
lighting will change brie0y. Switc
Switc
hing t
hing t he int
he inter
erior lighting
ior lighting switc
switch-o.
h-o. delay
delay
time
time on/o.
on/o. Multimedia system:
4 © 5
Settings 5
Lights
5 Int. light. del. sw. off #
Switch the swit ch-o. delay time on or o..
When this function is active, the interior light-
ing lights up for a short time aTer theve hicle
is loc ked. W
W
indscr
indscr een wiper
een wiper s and windscr
s and windscr een w
een washer sy
asher sy s-
s-
t
t em
em Switc
Switc
hing t
hing t he windscr
he windscr een wiper
een wipers
son/o.
on/o. 1
gWindsc reen wipers o.
2 Ä Intermittent wiping, normal
3 Å Intermittent wiping, frequent 134
134
Light and sight

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

9
g Switches ai r-re circulation mode on/o.
(/ page 145)
A Vehicles with THERM ATIC air conditioning
cont rol panel: ¿switches the A/C func-
tion on/o. (/ page 143)
Ve hicles with THERM OTRO NIC air condition-
ing control panel: _adjusts the air distri-
bution, right
B w Setsthete mp erature, right R
R
ear oper
ear oper ating unit in v
ating unit in v ehicles with
ehicles with
THERMO
THERMO TR
TRONIC air conditioning contr
ONIC air conditioning control panel ol panel 1
Sets thete mp erature
2 Display
3 Sets thete mp erature Oper
Oper
ating t
ating t he climat
he climat e contr
e control syst
ol system
em Switc
Switc
hing climat
hing climat e contr
e control
olon/o.
on/o. #
T
To switc
o switc h on:
h on:setthe air0ow toleve l 1 or
higher using theH button. #
T
To switc
o switc h
ho.:
o.: setthe air0ow toleve l 0 using
th eH button. If climate control is switched o.,
the windo ws
may mist up more quickl y.Switch climate control
o. only brie0 y. Switc
Switc
hing t
hing t he A/C function
he A/C function on/o.
on/o. using t
using the air
he air
conditioning contr
conditioning contr ol panel
ol panel The A/C
function heats, cools and dehumidi/es
th eve hicle's interior air. #
Press the¿ button.
Switch o. the A/C function only brie0y; other-
wise, the windo wsmay mist up more quickl y.
Condensation may drip from the underside of the
ve hicle when cooling mode is active. This is not
indicati veof a fault. Calling up t
Calling up t
he air conditioning menu
he air conditioning menu Calling up t
Calling up t
he air conditioning menu using t
he air conditioning menu using t he
he
multimedia syst
multimedia syst em
em #
Select one of thete mp erature displa ysatthe
lo we r edge of the media displa y. Climate control
143
143

Calling up t
Calling up t
he air
he air-conditioning menu using t
-conditioning menu using t he
he
butt
butt on on t
on on t he climat
he climat e contr
e control panel
ol panel #
Press the! button on the climate control
panel. A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the A/C function via t
he A/C function via t he
he
multimedia syst
multimedia syst em
emThe A/C function heats, cools and dehumidi/es
th eve hicle's interior air. #
Call up the air-conditioning menu
(/ page 143). #
Select First row of seats. #
Select A/C. Se
Se
tting climat
tting climat e contr
e control t
ol to aut
o aut omatic mode
omatic mode In automatic mode,
the set temp erature is con-
trolled and maintained at a constant le velby the
air suppl y. #
Press the à button. #
T
To switc
o switc h t
h to manual mode:
o manual mode: pressthe H or
_ button. Climat
Climat
e s
e stytyle
le Climat
Climat
e s
e stytyle function
le function
The following climate styles are available in auto-
matic mode:
R F
FOCUS:
OCUS: high air0o w,slightly cooler setting
R MEDIUM: MEDIUM: medium air0o w,standa rdsetting
R DIFFUSE: DIFFUSE: low air0ow,slightly warmer and
draught-free setting
Se
Se tting t
tting t he climat
he climat e s
e stytyle
le #
Call up the air conditioning menu
(/ page 143). #
Select First row of seats orSecond row of
seats. #
Call up theCLIMATE MODE menu. #
Select a climate style. Se
Se
tting t
tting t he air dis
he air distr tribution
ibution #
Call up the air conditioning menu
(/ page 143). #
Select a row of seats. #
T
To se
o se t t
t the air dis
he air dis tr
tribution: select
ibution: select ¯,P
or O. #
Set the air0o w.
% Several air distribution options can be selec-
te d at the same time, forex ample toset the
climate cont rolfo rth e windscreen and the
fo ot we lls simultaneousl y.
The ¯ climatecont rolfo rth e windscreen
can only be selected forth e /rst seat row. A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the climat
he climat e contr
e control syn-
ol syn-
c
c hr
hr onisation function via t
onisation function via t he air conditioning con-
he air conditioning con-
tr
tr ol panel
ol panel Climate cont
rol can be set centrally using the syn-
ch ronisation function. The temp erature and air
distribution settings forth e driver's side will be
adop ted automatically forth e front passenger
side. #
Press the0 button.
The synchronisation function will be deactivated if
th e settings for one of theot her climate cont rol
zones are changed. 144
144
Climate cont
rol

A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the climat
he climat e contr
e control syn-
ol syn-
c
c hr
hr onisation function via t
onisation function via t he multimedia syst
he multimedia system
em Climate cont
rol can be set centrally using the syn-
ch ronisation function. The driver's settings for
te mp erature, air quantity and air distribution are
adop ted automatically for all climate zones. #
Call up the air conditioning menu
(/ page 143). #
Select First row of seats. #
Select SYNC. Demis
Demisting t
ting the windo ws
he wind ows W
W
indow
indow s mist
s mist ed up on t
ed up on t he inside
he inside #
Press theà button. #
Ifth e windo wscontinue tomist up: press the
¬ button.
W
W indow
indow s mist
s mist ed up on t
ed up on t he outside
he outside #
Switch on the windscreen wipers. #
Press theà button. Switc
Switc
hing air
hing air -r
-recir
ecir culation mode
culation mode on/o.
on/o. #
Press theg button.
The interior air will be recirculated.
Air-recirculation mode automatical lyswitches to
fresh air mode aTer a while.
% If air-re circulation mode is switched on, the
wind ows may mist up more quickl y.Switch on
ai r-re circulation mode only brie0y. Switc Switc
hing t
hing t he r
he residual heat
esidual heat on/o.
on/o. R
R
eq
eq uir
uir ements:
ements:
R The vehicle is par ked.
It is possible tomake use of there sidual heat
from the engine tocontinue heating or ventilating
th e front compartment of theve hicle for appr ox-
imately 30 minutes. #
T
To switc
o switc h on:
h on:press the! button.
Re sidual heat is switched o. automaticall y. A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating ionisation
ating ionisation Ionisation impr
ovesth e quality of theve hicle's
interior air. Ionisation of the interior air is odour-
less. #
Call up the air conditioning menu
(/ page 143). #
Select Air quality. #
Select IONISATION. F
F
r
ragr
agr ance syst
ance syst em
em Se
Se
tting t
tting t he fr
he fragr
agr ance syst
ance syst em
em
R
R eq
eq uir
uir ements:
ements:
R Automatic climate control is activated.
R The glo vecompartment is closed.
The frag rance system distributes a pleasant fra-
gr ance thro ughout theve hicle interior from a 0a-
con located in the glo vebox. #
Call up the air conditioning menu
(/ page 143). #
Select Air quality. Climate control
145
145

#
ATer heating or ventilating theve hicle
twice, drive for a longer period of time. R
R
eq
eq uir
uir ements:
ements:
R The fuel tank is /lled toat least there ser ve
le ve l. #
Set the desired temp erature using thew
button. #
Press the& button.
The red or blue indicator lamp on the button
will light up or go out.
The colours of the indicator lamp ha vethefo llo w-
ing meanings:
R Blue: Blue: stationary ventilation is switched on.
R R
R ed:
ed: the stationary heater is switched on.
R Y
Yello w:
ello w:the departure time is preselected.
The stationary heater/ventilation will switch o.
automatically aTer 50 minutes.
Oper
Oper ation using t ation using t he app:
he app:the stationary heater/
ve ntilation can also be ope rated via the Mercedes
me connect app. You can /nd fur ther information
in the separate Owner's Manual at https:// moba.i.daimler.com/mar
kets/ece-r ow/baix/
ca rs/connectme/en_GB/#em otions/
St artsei te.html.
Se
Se tting t
tting t he st
he stationar
ationar y heat
y heater/v
er/ventilation via t
entilation via t he
he
multimedia syst
multimedia syst em
em #
Tocall up the air conditioning menu
(/ page 143). #
Select Auxiliary heating .
Selecting t
Selecting t he depar
he departur
ture time
e time #
Select the time TIME A: XX, TIME B: XXor
TIME C: XX.
Se
Se tting t
tting t he depar
he depar tur
ture time
e time #
Select the time TIME A: XX, TIME B: XXor
TIME C: XX. #
Select the pen beside the time. #
Set a time.
Se
Se tting t
tting t he st
he stationar
ationar y heat
y heater/v
er/ventilation via
entilation via
r
r emot
emot e contr
e contr ol
ol
R
R eq
eq uir
uir ements:
ements:
R The fuel tank is /lled toat least there ser ve
le ve l. Switc
Switc
hing on immediat
hing on immediat ely
ely #
Press and hold theu button.
Se
Se tting t
tting t he depar
he depar tur
ture time
e time #
Brie0y press button u. #
Press the, or. button repeatedly
until the time tobe changed appears on the
displa y. 148
148
Climate control

Home scr
Home scr
eenov
een overerview
view 1
Depending on the displa y,calls up the /rst
th re e applications or the home screen
2 Calls up the pro/le
3 Calls up the global sear ch
4 SOS NOT REA DY(only when the Mercedes-
Benz emer gency call system is not available)
5 Mercedes me connect active
6 Transmission of vehicle position active 7
Signal st rength of the mobile phone networ k,
network displa y,battery status of the mobile
phone connected, time
8 Calls up theNo ti/cations Cent re
9 Calls up an application using the symbol
A Application and cur rent information
B Quic k-access, e.g. enter home address
C Index points and selected displ ayarea D
Calls up the air conditioning menu
E Calls up SUGGESTIONS, THEMESand
FAVOURITES 256
256
MBUX multimedia system

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

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