phone MERCEDES-BENZ E-CLASS CABRIOLET 2020 Service Manual

Yo
u can find more information on there gional
av ailability of eCall at: https://www.mercedes-
benz-mobile.com/ext ra/ecall/
Messages on the displ ay
The following messages appear in the display:
R SOS NOT READY :th e ignition is not on or
th ere is a malfunction with the emer gency
call sy stem . This does not necessarily indi‐
cate comple tefailure of the emer gency call
sy stem. Emer gency calls call still be trans‐
mit ted.
The display only refers to theve hicle and
does not take account of theav ailability of
mobile phone networ ksand the Mercedes-
Benz emer gency call centre.
The functional readiness of the emer gency
call sy stem on theve hicle can be seen when
th eSOS NOT READY display disappears once
th e ignition is switched on.
R G: The icon appears in the display during
an active emer gency call.
% Ifth ere is a malfunction in the Mercedes-
Benz emer gency call sy stem (e.g. a fault with th
e speaker, microphone, airbag, SOS but‐
to n), a cor responding message appears in
th e multifunction display of the instrument
clus ter. Tr
iggering an automatic Mercedes‑Benz
emer gency call Re
quirements:
R The ignition is switched on.
R The star ter battery is suf ficiently charge d.
The Mercedes‑Benz emer gency call sy stem trig‐
ge rs an emer gency call au tomatical lyin thefo l‐
lowing cases:
R After activation of there stra int sy stems such
as airbags or seat belt tensioners af ter an
accident
The emergency call has been made:
R Avo ice connection is made tothe
Mercedes‑Benz emer gency call centre.
R A messa gewith accident data is transmitted
to the Mercedes‑Benz emer gency call centre. The Mercedes‑Benz emergency call centre
can transmit
theve hicle position data toone
of the public emer gency services call cen‐
tres.
R Under cer tain circums tances da tais also
transmitte d inthevo ice channel tothe
Mercedes‑Benz emer gency call centre.
This allo wsmeasu resfo rre scue, reco very or
to wing toa Mercedes‑Benz Service Cent reto
be initiated quickl y.
The SOS button in theove rhead control panel
fl ashes until the emer gency call is finished.
It is not possible toimmediately end an auto‐
matic emer gency call.
If th e Mercedes‑Benz emer gency call sy stem
cann otconnect tothe Mercedes‑Benz emer‐
ge ncy call centre, the emer gency call is au tomat‐
ically sent tothe public emer gency services call
centre.
If no connection can be made tothe public
emer gency services, a cor responding message
appears inthe displa y. MBUX multimedia sy
stem 277

#
Dial the emer gency number 11 2onyour
mobile phone.
If an eme rgency call has been initiated:
R Remain in theve hicle if thero ad and traf fic
conditions permit youto do so until a voice
connection is es tablished with the emer‐
ge ncy call centre operator.
R Based on the call, the operator decides
whe ther it is necessary tocall rescue teams
and/or the police tothe accident site.
R If no vehicle occupant answers, an ambu‐
lance is sent totheve hicle immediately. Tr
iggering a manual Mercedes-Benz emer‐
ge ncy call #
Touse the SOS but ton in theov erhead
control panel: press and holdthe SOS but‐
to nfo r at least one second (/ page 269).#
Touse voice control: usethe LINGUA‐
TRONIC voice commands . The emer
gency call has been made:
R Avo ice connection is made tothe Mercedes-
Benz emer gency call centre.
R A messa gewith accident data is transmit ted
to the Mercedes-Benz emer gency call centre.
The Mercedes-Benz eme rgency call cent re
can transmit theve hicle position data toone
of the public emer gency services call cen‐
tres.
R Under cer tain circums tances da tais also
transmitte d inthevo ice channel tothe
Mercedes-Benz emer gency call centre.
This allo wsmeasu resfo rre scue, reco very or
to wing toa Mercedes-Benz Service Cent reto
be initiated quickl y.
R Remain in theve hicle if thero ad and traf fic
conditions permit youto do so until a voice
connection is es tablished with the emer‐
ge ncy call centre operator.
R Based on the call, the operator decides
whe ther it is necessary tocall rescue teams
and/or the police tothe accident site. If
th e Mercedes-Benz emer gency call sy stem
cann otconnect tothe Mercedes-Benz emer‐
ge ncy call centre, the emer gency call is au tomat‐
ical lysent tothe public emer gency services call
centre.
If no connection can be made tothe public
emer gency services, a cor responding message
appears inthe media displa y. #
Dial the emer gency number 11 2onyour
mobile phone.
Ending an unin tentionally triggered manual
Mercedes-Benz emer gency call #
On the multifunction steering wheel:
select ~. Data transfer of
the Mercedes-Benz emer‐
ge ncy call sy stem In
theeve nt of an au tomatic or manual emer‐
ge ncy call thefo llowing data is transmitte d,for
ex ample:
R Vehicle's GPS position data
R GPS position data on thero ute
(a few hund red metres before the incident) 278
MBUX multimedia sy stem

Ad
ditional functions in the TVmenu Symbol
DesignationF unction
Z SettingsSelecttomake settings in theTV menu. The following functions can be switched
on/off or con figured:
R Channel fix
R Countr y-specific character set
R Audio language
R Subtitles
R Telete xt
R Picture form at
Õ EPGS electtoshow cur rent programme information forth ech annel.
4 Channel listS electtoshow a list of available channels with the cur rent programme. Au
thorising a Blu etoo th®
audio device for
media playba ckRe
quirements:
R Blue tooth ®
is activated on the multimedia
sy stem and audio equipment. R
The audio equipment supports the Blue‐
to oth ®
audio profiles A2DP and AVRC P.
R The audio equipment is "visible" forot her
devices. Multimedia sy
stem:
4 © 5
Media 5
Bluetooth 5
ª
Wi th Blu etoo th®
audio, you can play back music
fi les from an extern al data storage medium, e.g.
yo ur smartphone, using the MBUX multimedia
sy stem. 282
MBUX multimedia sy stem

#
Toplay back audio files using the multimedia
sy stem, authorise theex tern al data storage
medium on the MBUX multimedia sy stem.
Au thorising a new Blu etoo th®
audio device #
Select Connect new device .#
Select an audio device.
Auth orisation starts. A code is displa yed on
th e multimedia sy stem and on the mobile
phone. #
Ifth e codes are identical, confi rmonthe
audio equipment. #
Select Only as Bluetooth audio device .
The Blue tooth®
audio equipment is connec‐
te d with the multimedia sy stem.
Connecting pr eviously authorised Blue tooth ®
audio equipment #
Select a Blue tooth®
audio device from the
list.
The connection is being es tablished. Re
ceiving TVchannels in HD quality *
NO
TEDama getothe CI+ module and
Smart Card The CI+ module is designed
for use in the
home. The CI+ module can overheat and be
damaged bycontinuous exposure tohigh
outside temp eratures. #
Make sure that the CI+ module is not
subject tohigh temp eratures forex ten‐
ded pe riods of time.
If th e CI+ module is damaged, no
encryp tedch annels can be recei ved. %
The CI+ module is not available in all coun‐
tries.
A CI+ module (Common In terface Module),
which is not included in the scope of deliver y,is
used todecrypt HD programmes according to
th e CI+ standard.
In some countries, an additional smart card is
re qu ired, which is inse rted into the CI+ module
(see the manufacturer's operating manual). The CI+ module is connected in
the CI+ box in
th eglove compa rtment. #
Toinsert the sma rtcard in the CI+ mod‐
ule: ifre qu ired (countr y-dependent), insert
th e smart card into the CI+ module slot.
% The CI+ box is designed for operation at
te mp eratures between 0 °C and 65 °C. At
operating temp eratures that are higher or
to o low a message appears in the multime‐
dia sy stem and the CI+ module is switched
off automaticall y.Ifth e CI+ module is
switched off, no encryp tedch annels can be
re cei ved. MBUX multimedia sy
stem 283

Symbol
DesignationFunction
6/8 Play/PauseSelecttostart, stop or continue playbac k.
5 Brows eS electtochoose a category and then a radio
st ation. Depending on
the frequency band selected, dif‐
fe re nt functions are available to you.
Select the desired frequency band in thera dio
menu head runner. Calling up
TuneIn Radio Re
quirements:
R A Mercedes me account is available.
R The vehicle is connected with the Mercedes
me account.
R The TuneIn Radio service is activated in the
Mercedes me Portal.
R The data volume is available.
Depending on the count ry, data volume may
need tobe pur chased. R
Afast Internet connection for data transmis‐
sion free of inter fere nce.
% Data volume can be pur chased directly
from a mobile phone network pr ovider via
th e Mercedes me Portal.
% The functions and services are countr y-
dependent. For more information, consult a
Mercedes-Benz service centre.
Multimedia sy stem:
4 © 5
Radio #
Select TuneIn Radio.
The TuneIn menu appears. The la st station
set starts playing.
% The connection quality depends on the local
mobile phone reception. Sound settings
Overview of functions in the sound menu
The setting options and functions
available
depend on the sound sy stem fitted. You can find
out which sound sy stem is fitted in your vehicle
in the Digital Owner's Manual.
St andard sound sy stem and Advanced sound
sy stem
The following functions are available:
R Equaliser
- Treble, mid-range and bass
R Balance and fader
R Volume
- Automatic adju stment 286
MBUX multimedia sy stem

&
WARNING Risk of accident from driving
wi th sealed tyres
A tyre temp orarily sealed with tyre sealant
impairs the handling characteristics and is
not suitable for higher speeds. #
Adapt your driving style according lyand
drive carefull y. #
Do not exceed the maximum speed
limit with a tyre that has been repaired
using tyre sealant. #
Obser vethe maximum permissible speed for
a tyre sealed with tyre sealant 80 km/h.
* NO
TEStaining from leaking tyre sealant Af
ter use, excess tyre sealant may leak out
from thefilling hose. #
Therefore, place thefilling hose in the
plastic bag that con tained the TIREFIT
kit. +
ENVIRONMEN
TALNO TEEnvironmental
pollution caused byenvironmen tally ir re‐
sponsible disposal Ty
re sealant contains polluta nts. #
Have the tyre sealant bottle disposed of
professionall y,e.g. at a Mercedes-Benz
Service Centre. #
Stow th e tyre sealant bottle and the tyre
inflation compressor. #
Pull away immediatel y. #
Stop driving af ter appro ximately ten minu tes
and check the tyre pressure using the tyre
inflation compressor.
The tyre pressure must now be at least
13 0 kPa (1.3 bar/19 psi). &
WARNING Risk of accident due tothe
specified tyre pressure not being
attained
If th e specified tyre pressure is not reached,
th e tyre is too badly damaged. The tyre seal‐
ant cannot repair the tyre in this ins tance. The braking and driving
characteristics may
be great lyimpaired. #
Do not continue driving. #
Consult a qualified specialist workshop. Countries
that ha veMercedes-Benz
Service24h: you will find a sticke r with thete le‐
phone number, e.g. on the B‑pillar on the driver's
side. #
Cor rect the tyre pressure if it is still at least
13 0 kPa (1.3 bar/19 psi). See the tyre pres‐
sure table on the fuel filler flap forva lues. #
Toincrease the ty repressure: switch on
th e tyre inflation compressor. Breakdown assis
tance 311

Fr
equency band Maximum transmis‐
sion output
trunked radio sys‐
te m/T etra
380 - 460 MHz 10 W
70 cm frequency
band
420 - 450 MHz 15 W
Tw o-w ayradio
(2G/3G/4G) 10 WThe
following devices can be used in theve hicle
without restrictions:
R two-w ayradios with a maximum transmission
output of up to100 mW
R two-w ayradios with transmit ter frequencies
in the 380 - 410 MHz frequency band and a
maximum transmission output of up to2 W
(trunked radio sy stem/T etra)
R mobile phones (2G/3G/4G) There are no
restrictions when positioning the
aerial on the outside of theve hicle forth efo llow‐
ing frequency bands:
R trunked radio sy stem/T etra
R 70 cm frequency band
R 2G/3G/4G Ra
dio ope rating permits forve hicle comp o‐
nents
Manufacturer information about wireless vehicle
components can be found using theke y phrase
"Radio operating permits" in the Digital Owner's
Manual in theve hicle, on the internet and in the
app. Ve
hicle identification plate, VIN and engine
number overview
Ve hicle identification plate Te
ch nical da ta343

Air-conditioning sy
stem
see Climate control
Air-recirculation mode ............................14 2
Air-water duct .......................................... 295
Ke eping free ........................................2 95
Airbag ........................................................ .42
Ac tivation .............................................. 36
Fr ont airbag (driver, front passenger) ....42
Head airbag ........................................... 42
Ins tallation locations ............................ .42
Knee airbag ........................................... 42
Overview ............................................... 42
PA SSENGER AIR BAG indicator lamp .... .47
Pr otection ..............................................43
Re duced pr otection ...............................44
Side airbag ............................................ 42
AI RC AP
Ac tivating .............................................. 85
Deactivating .......................................... 85
Ai rflow
Setting ................................................ .139
AIRSCARF Adjusting the outlets ........................... 14 8
Switching on/off ................................. 107Alarm sy
stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Ambient lighting Setting (multimedia sy stem) ................1 31
Android Auto
see Smartphone integration
Animals Pets in theve hicle ................................. 70
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft pr otection
Ad ditional door lock ...............................74
Immobiliser ........................................... 92
Anticipatory occupant pr otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus) Apple CarPlay
®
see Smartphone integration
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS ........................................... 288
Battery disconnection pe riods .............2 89
Displ aying the service due date ........... 288
Fu nction/no tes ................................... 288
Re gular maintenance work .................. 288
Special service requ irements .............. 288
ATA (anti-theft ala rmsystem) .................. 93
Deactivating the alarm .......................... 93
Fu nction ................................................ 93
Fu nction of interior pr otection ............... 94
Priming/deactivating interior pr otec‐
tion ........................................................ 95
Priming/deactivating tow- aw ay pro‐
te ction ................................................... 94
To w- aw ay protection function ................93
AT TENTION ASSI ST.......................... 22 4, 226
Fu nction .............................................. 224
Setting ................................................. 226
Sy stem limitations ...............................2 24 Index
431

Deco
rative foil .................................... .297
Displ ay................................................ 302
Draught stop ....................................... 300
Exterior lighting ................................... 301
Fo lding draught stop ........................... 300
High-pressure cleaner .........................2 96
Matt finish ........................................... 297
Pa int wo rk ............................................ 297
Plastic trim .......................................... 302
Re alwo od/trim elements ...................3 02
Re versing camera ................................ 301
Ro of lining ...........................................3 02
Seat belt .............................................. 302
Seat co ver ........................................... 302
Sensors ............................................... 301
Soft top ...............................................2 98
St eering wheel .................................... 302
Ta ilpipes .............................................. 301
Tr ailer hit ch.......................................... 301
Wa shing byhand ................................. 297
Wheels/rims ........................................3 01
Wi nd de flector .....................................2 99
Wi ndo ws .............................................. 301
Wi per blades ........................................ 301
Carpet (Care) ...........................................3 02Changing
gears ........................................ 16 6
Manually ..............................................1 66
Changing hub caps ................................. 335
Changing the lights
Driving abroad (symm etrical low
beam) .................................................. 12 2
Cha rging
Bat tery (vehicle) ...................................3 16
Mobile phone (wireless) ....................... 11 9
USB port ..............................................1 18
Chassis Damping characteristics ...................... 205
DY NA MIC BODY CONTROL .................. 205
Chassis le vel (AIR BODY CONT ROL)
Setting ................................................ .207
Child saf ety lock
Re ar side wind ows................................. 68
Child seat Appr oval categories .............................. .56
At tach ing (no tes) ................................... 56
Basic instructions ..................................51
Fr ont passenger seat (no tes) ................. 66 Fr
ont passenger seat (without auto‐
matic airbag shutoff) ............................. 66
ISOFIX/i-Size (fitting) ............................60
No tes on risks and dangers ...................52
Re commended child restra int sys‐
te ms ...................................................... 55
Seats suita blefor belt-secu redch ild
re stra int sy stems ................................... 63
Seats suitable for i‑Size child
re stra int sy stems ................................... 59
Seats suitable for ISOFIX child
re stra int sy stems ................................... 58
Securing on the co-driver seat ............... 67
Secu ring on there ar seat ...................... 64
To pTe ther ..............................................62
Child ren
Av oiding dangers in theve hicle .............52
Basic instructions .................................. 51
Chock ...................................................... .334
St orage location ..................................3 34
Cho ck
see Chock
City lighting ..............................................1 27434
Index

Fo
il co vering
Ra dar and ultrasonic sensors .............. 181
Fo lding draught stop
Care .................................................... 300
Fitting .................................................... 86
Re moving ............................................. .86
Fr ag rance
see Fragrance sy stem
Fr ag rance sy stem .................................... 14 2
Inserting/removing theflacon ............ .142
Setting ................................................. 14 2
Fr ee software ............................................ 34
Fr equencies
Mobile phone ...................................... 342
Tw o-w ayradio ...................................... 342
Fr ont airbag .............................................. .42
Fr ont passenger seat
see Seat
Fu el .......................................................... .348
Ad ditives .............................................3 48
Diesel ................................................. .348
E10 ...................................................... 347
Fu elreser ve ........................................ 349 Low outside
temp eratures ...................3 48
Pe trol ................................................... 347
Quality (diesel) .................................... 348
Quality (p etro l) .................................... .347
Re fuelling ............................................ 16 9
Sulphur content ................................... 347
Ta nk content ....................................... 349
Fu nction seat
see Door cont rol panel
Fu ses ........................................................ 322
Before replacing a fuse ........................ 322
Fu se assignment diagram ...................3 22
Fu se box in the boot ............................3 24
Fu se box in the engine compartment .. 323
Fu se box in the front passenger foot‐
we ll ...................................................... 324
Fu se box on the dashboard ................. 324
No tes .................................................. 322 G
Garage door opener Cleari ngthe memory ........................... 17 7
Opening or closing the door ................1 77
Programming buttons .......................... 175
Re solving problems ............................. 17 7Synchronising
thero lling code ............ .176
Gearshift recommendation .....................167
Genera l operating permit number
(EU) .......................................................... .343
Genuine parts ............................................ 21
Genuine wood (Care) .............................. 302
Glide mode .............................................. .168 H
Handbrake see Electric parking brake
Handling characteristics (unusual) ....... 325
HANDS-FREE ACCESS ................................ 80
Haza rdwa rning lights ............................ .124
Head airbag ............................................... 42
Head le vel heating (AIRSCARF) ..............107
Head restra int
Fr ont (adjusting mechanically) .............1 00
Re ar (fitting/removing) ........................ 102444
Index