keyless MERCEDES-BENZ E-CLASS CABRIOLET 2020 Owners Manual

Ac
tivating/deactivating the acoustic lo cking
ve rification signal Multimedia sy
stem:
4 © 5
Settings 5
Vehicle #
Activate or deacti vate Acoustic lock .
% Please no
te:
The selected setting forth e acoustic locking
ve rification signal must comply wi th there le‐
va nt national road and traf fic re gulations. In
some countri es, including German y,using
th e acoustic locking verification signal is for‐
bidden bytraf fic la ws(in accordance with
§16 Para. 1 and §30 Para. 1 of the German
national road traf fic re gulations). The driver
of theve hicle must comply with these regu‐
lations. In countri es wherethe use of this
function is forbidden, this function is not
activated in theve hicle and must not be acti‐
va ted. Changing
the unlocking settings Po
ssible unlocking functions of theke y:
R Central unlocking R
Unlocking the driver's door and fuel filler flap #
Toswitch between settings: pressthe
Ü andß buttons simultaneously for
appr oximately six seconds until the indicator
lamp flashes twice.
Options if the unlocking function forth e driver's
door and fuel filler flap has been selec ted:
R Tounlo cktheve hicle centrall y:press the
Ü button twice.
R Vehicles with KEYLESS-GO: ifyo uto uch
th e inner sur face of the door handle on the
driver's door, only the driver's door and fuel
fi ller flap are unlo cked. Deactivating
theke y functions If
yo u do not use theve hicle or a keyfo r an
ex tended pe riod of time, you can reduce the
energy consum ption of there spective key.Todo
so, deactivate theke y functions. #
Todeactivate: presstheß button on the
ke y twice in quick succession.
The key indicator lamp flashes twice brief ly
and lights up once. #
Toactivate: press any button on thekey.
% When theve hicle is star ted with theke y in
th estow age compartment of the cent recon‐
sole, theke y functions are automatical ly
activated (/ page152). Re
moving/inserting the eme rgency key Re
moving the eme rgency key 72
Opening and closing

#
Insert the new battery into battery compart‐
ment 3. Obser vethe positive pole marking
in the battery compartment and on the bat‐
te ry when doing this. #
Push in battery compartment 3.#
Re-attach co ver1 and push it until it
engages. Problems with
thekey Yo
u can no lon ger lo ckor unlock theve hicle
Po ssible causes:
R The key bat tery iswe ak or dischar ged.
R The key is faulty. #
Check the battery using the indicator lamp
(/ page 71). #
Replace theke y bat tery, if necessary
(/ page 73). #
Use the emer gency keyto lock or unlock
(/ page 72). #
Have theke ych ecked at a qualified specialist
wo rkshop. There is inter
fere nce from a po werful radio
signal source
The key function is impaired by,fo rex ample:
R high voltage po wer lines
R mobile phones
R electronic devices (No tebooks, Tablets)
R shielding due tome tal objects or induction
loops for electrical gatesystems or auto‐
matic bar riers #
Make sure that there is a suf ficient di stance
between theke y and the po tential sou rce of
inter fere nce.
Yo u ha velost a key #
Have theke y deacti vated at a qualified spe‐
cialist workshop. #
If necessar y,ha ve the mechanical lock
re placed as well. Doors
Note
s onthe additional door lock The additional door lock is only
available for
ve hicles forth eUni ted Kingdom. &
WARNING Risk of inju ryto persons
inside theve hicle when the additional
door lock is activated
If th e additional door lock is activated, the
doors can no longer be opened from the
inside. #
Never lea vepersons, in particular chil‐
dren, unat tended in theve hicle. #
Ifth ere are persons in theve hicle, do
not activate the additional door loc k. The additional door lock is automatically activa‐
te d in thefo llowing situations:
R The vehicle is loc ked using thekey.
R The vehicle is loc ked using KEYLESS-GO. 74
Opening and closing

#
Tounlo cktheve hicle: touch the inner sur‐
fa ce of the door handle. #
Tolock theve hicle: touch sensor sur face
1 or2. #
Convenience closing: touch recessed sen‐
sor su rface 2until the closing process has
been comple ted.
% Further information on con venience closing
(/ page 91).
If yo u open the boot lid from outside, the boot lid
is automatically unloc ked. Problems with KEYLESS-GO
Yo
u can no lon ger lo ckor unlock theve hicle
using KEYLESS-GO.
Po ssible causes:
R The key functions ha vebeen deactivated.
R The key bat tery iswe ak or dischar ged.
R The key is faulty. #
Activate theke y functions (/ page72). #
Check the battery using the indicator lamp
(/ page 71). #
Replace theke y bat tery, if necessary
(/ page 73). #
Use the emer gency keyto lock or unlock
(/ page 78). #
Have theve hicle and keych ecked at a quali‐
fi ed specialist workshop.
There is inter fere nce from a po werful radio
signal source
The KEYLESS-GO function is impaired by,for
ex ample:
R high voltage po wer lines
R mobile phones
R electronic devices (No tebooks, Tablets)
R shielding due tome tal objects or induction
loops for electrical gate systems or auto‐
matic bar riers #
Make sure that there is a suf ficient di stance
between theke y and the po tential sou rce of
inter fere nce. Ac
tivating/deactivating the automatic lo ck‐
ing feature The
vehicle is loc ked automatically when the
ignition is switched on and the wheels are turn‐
ing fast erthan walking pace. #
Toactivate: press and hold button 2for
appr oximately five seconds until an acoustic
signal sounds. Opening and closing
77

Closing
the boot lid &
WARNING Risk of inju ryfrom unsecu red
items in theve hicle
If objects, luggage or loads are not secured
or not secured suf ficientl y,they could slip,
tip ove r or be throw n around and thereby hit
ve hicle occupants.
There is a risk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction. #
Alw aysstow objects in such a wayth at
th ey cannot be thro wn around. #
Before the journe y,secure objects, lug‐
ga ge or loads against slipping or tipping
ove r. Obser
vethe no tes on loading theve hicle. #
Pull the boot lid down wards using the handle
re cess and push it closed. HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCESS you can open the
boot lid byper form ing a kicking mo vement
under the bumper.
Obser vethe no tes when opening the boot lid
(/ page 79). &
WARNING Risk of bu rns caused bya hot
ex haust sy stem
The vehicle exhaust sy stem can become very
hot. If you use HANDS-FREE ACCESS, you
could bu rnyourself by touching theex haust
sy stem. #
Alw ays ensure that you on ly ma ke a
kicking mo vement within the de tection
ra nge of the sensors. *
NO
TEDama getotheve hicle caused by
unin tentional lyopening the boot lid: R
when using an automatic car wash
R when using a high pressure cleaner #
Deactivate KEYLESS-GO or make sure
that theke y located is at least 3 m
aw ay from theve hicle in such situa‐
tions. When making
the kicking mo vement, make sure
th at you are standing firm ly on the ground. Yo u
could otherwise lose your balance, e.g. on ice. 80
Opening and closing

#
Tointer rupt convenience closing: release
th eß button.
% Con venience closing also functions wi th
KEYLESS-GO (/ page76). Problems with
the side windo ws &
WARNING Risk of becoming trapped or
fa tal ly inju red if reve rsing pr otection is
not activated
If yo u close a side wind owagain immediately
af te r it has been bloc ked, the side window
will close with increased or maximum forc e.
The reve rsing function is then not active and
body parts may become trapped. #
Make sure that no parts of the body are
in the closing area. #
Tostop the closing process, release the
button or press the button again to
re open the side windo w. A side wind
owcann otbe closed and you can‐
not see the cause. #
Check tosee whe ther any objects are in the
window guide. #
Adjust the side windo ws.
Ad justing the side windo ws
If a side window is obstructed during closing and
re opens again immediately: #
Immediately af terth is, pull and hold the cor‐
re sponding button again until the side win‐
dow has closed and hold the button for at
least one more second (re-adjustment).
The side window will be closed without the
automatic reve rsing function.
If th e side window is obstructed again and
re opens again immediately: #
Immediately af terth is, pull and hold the cor‐
re sponding button again until the side win‐
dow has closed and hold the button for at least
one more second (follo w-up adjust‐
ment).
The side wind owwill be closed without the
automatic reve rsing function.
The side windo wscann otbe opened or
closed using the con venience opening fea‐
ture.
Po ssible cause:
R The key bat tery iswe ak or dischar ged. #
Check the battery using the indicator lamp
(/ page 71). #
Replace theke y bat tery, if necessary
(/ page 73). Anti-theft pr
otection Fu
nction of the immobiliser The immobiliser pr
events your vehicle from
being star ted without the cor rect key.
The immobiliser is automatically activated when
th e ignition is switched off and deactivated when
th e ignition is switched on. 92
Opening and closing

ATA
(Anti-Theft Alarm sy stem) Fu
nction of theATA system
If th eATA system is primed, a visual and audible
alarm is triggered in thefo llowing situations:
R when a door is opened
R when the boot lid is opened
R when the bonn etis opened
R when interior pr otection is triggered
(/ page 94)
R when tow- aw ay protection is triggered
(/ page 93)
The ATA sy stem is primed automatically af ter
appr oximately ten seconds in thefo llowing situa‐
tions:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO Indicator lamp
1flashes when theAT A sy stem
is primed.
The ATA sy stem is deactivated automatically in
th efo llowing situations:
R afte r unlocking theve hicle with thekey
R afte r unlocking theve hicle using KEYLESS-
GO R
afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 152)
% When the Mercedes‑Benz emer gency call
sy stem is active and the alarm stay s on for
more than 30 seconds, a message is auto‐
matically sent tothe Cus tomer Assis tance
Centre (/ page 277).
Deactivating theATA #
Press theÜ, ßorp button on the
key.
or #
Press thest art/ stop button with theke y in
th estow age compartment (/ page152)
Deactivating the ala rmusing KEYLESS-GO #
Grasp the outside door handle with thekey
outside theve hicle. Fu
nction of tow- aw ay protection An audible and visual alarm is triggered if an
alteration
to yourvehicle's angle of inclination is
de tected while tow- aw ay protection is primed. Opening and closing
93

To
w- aw ay protection is automatically primed
af te r appro ximately 60 seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO
To w- aw ay protection is only primed when thefo l‐
lowing components are closed:
R the doors
R the boot lid
To w- aw ay protection is automatically deactiva‐
te d:
R afte r pressing theÜ orp button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 152)
R afte r unlocking theve hicle using KEYLESS-
GO
R when using HANDS-FREE ACCESS Priming/deactivating
tow- aw ay protection Multimedia sy
stem:
4 © 5
Settings 5
Quick access #
Prime or deactivate Tow-away protection .
To w- aw ay protection is primed again in thefo l‐
lowing 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 the
Vehicle submenu in theSettings main menu
to prime or deactivate tow- aw ay protection. Fu
nction of interior pr otection When interior pr
otection is primed, a visual and
audible alarm is triggered if mo vement is de tec‐
te d in theve hicle interior.
Interior pr otection is primed automatically af ter
appr oximately ten seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO Interior pr
otection is only primed when thefo l‐
lowing components are closed:
R the doors
R the boot lid
Interior pr otection is automatically deactivated:
R afte r pressing theÜ orp button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 152)
R afte r unlocking theve hicle using KEYLESS-
GO
R when using HANDS-FREE ACCESS
The following situations can lead toafa lse
alarm:
R moving objects such as masc ots in theve hi‐
cle interior
R when the side window is open 94
Opening and closing

Ad
aptive Highbeam Assist Plus .......... .128
Ad versewe ather light .......................... 127
City lighting ........................................ .127
Corne ring light ..................................... 12 5
Fo g light (extended range) ................... 12 6
Mo torw ay mode ................................... 12 6
Overview ............................................. 12 5
Switching on/off ................................. 127
Interior lighting ........................................ 131
Ambient lighting ................................... 131
Re ading light ........................................ 131
Setting ................................................. 131
Switch-off del aytime ........................... 13 2
Interior pr otection
Fu nction ................................................ 94
Priming/deactivating ............................. 95
Internet radio
see TuneIn
Ionisation Activating/deactivating (MBUX mul‐
timedia sy stem) ................................... 14 2
iPhone ®
see Smartphone integ ration ISOFIX
child seat securing sy stem
Fitting .................................................... 60
Seats suitable for attaching ................... 58 J
Jack Declaration of conformity ...................... 27
St orage location ..................................3 34
Jump-start connection ............................316
Gene ral no tes ...................................... 314 K
Ke y.............................................................. 71
Ac oustic locking verification signal ........ 72
Battery ................................................... 73
Emergency key ...................................... 72
Energy consumption .............................. 72
Fe atures ................................................ 71
Ke yring attachment .............................. 72
Overview ................................................ 71
Problem .................................................74
Un locking setting .................................. .72
Ke y functions
Deactivating .......................................... 72KEYLESS-GO
Locking theve hicle ................................ 76
Problem .................................................77
Un locking setting .................................. .72
Un locking theve hicle ............................76
Kickd own.................................................. 167
Using ................................................... 167
Knee airbag ................................................ 42 L
Lamp see In terior lighting
Lamps (instrument display) see Warning/indicator lamps
Lane de tection (au tomatic)
see Active Lane Keeping Assist
Lane Keeping Assist
see Active Lane Keeping Assist
Le vel control sy stem
see AIR BODY CONTROL
Light switch Overview .............................................1 22446
Index

Lighting
see In terior lighting
see Lights
Lights ........................................................ 12 2
Ac tive headla mps ................................ 12 5
Ad aptive Highbeam Assist .................. .127
Ad aptive Highbeam Assist Plus .......... .128
Ad versewe ather light .......................... 127
Au tomatic driving lights ....................... 12 3
City lighting ........................................ .127
Combination swit ch............................. 124
Corne ring light ..................................... 12 5
Driving ab road (symm etrical low
beam) .................................................. 12 2
Fo g light (extended range) ................... 12 6
Haza rdwa rning lights .......................... 124
Headla mpflashing .............................. .124
High beam ........................................... 124
Intellige nt Light Sy stem ....................... 12 5
Light switch .........................................1 22
Low beam ............................................ 12 2
Mo torw ay mode ................................... 12 6
Pa rking lights ...................................... .122
Re ar fog light ....................................... 12 2
Re sponsibility for lighting sy stems .......1 22Setting
the dipped beam ..................... 13 0
Setting theex terior lighting switch-
off delay time ...................................... 13 0
St anding lights .................................... .122
Switching the sur round lighting
on/off ................................................ .130
Tu rn signal indicator ............................1 24
Limiter ...................................................... 191
Ac tivating ............................................ 19 2
Buttons ................................................ 19 2
Calling up a speed .............................. .192
Deactivating ........................................ 19 2
Fu nction ............................................... 191
Pa ssive mode ....................................... 191
Pe rm anent setting .............................. .194
Re quirements ...................................... 19 2
Selecting ............................................. 19 2
Setting a speed ................................... 19 2
St oring a speed ................................... 19 2
Sy stem limitations ...............................1 91
Limiting speed see Limiter
LINGU ATRO NIC
Fu nction .............................................. 252
St arting .............................................. .252 Live
Traf fic Information
Swit ching the tra ffic information dis‐
play on ................................................ 263
Loading .................................................... .116
Bag hook .............................................. 11 7
No tes ................................................... 11 3
Ti e-down eyes ...................................... 11 6
Loading guidelines ...................................113
Loads Securing .............................................. .113
Locking/unlocking Activating/deactivating the auto‐
matic locking feature ............................ .77
Ad ditional door lock ...............................74
Digital Vehicle Keyst icke r ...................... 76
Emergency key ...................................... 78
KEYLESS-GO .......................................... 76
Un locking/opening the doors from
th e inside ............................................... 75
Low beam Swit ching on/off ................................ .122
Symmetrical low beam ........................ 12 2
Lu bricant additives
see Additives Index
447

U
Un locking setting ...................................... 72
Up dates
Impor tant sy stem updates .................. 255
USB port Rear .................................................... .118 V
Ve hicle ...................................................... 15 2
Ac tivating/deactivating standby
mode .................................................. .180
Ad ditional door lock ...............................74
Cor rect use ........................................... 30
Data acquisition ..................................... 31
Data storage .......................................... 31
Diagno stics connection ........................ .28
Equipment ............................................. 22
Implied warranty .................................... 31
Locking (auto matically) ......................... 77
Locking (Digital Vehicle Keyst icke r) ..... .76
Locking (from inside) ............................. 75
Locking (KEYLESS-GO) ..........................76
Locking/unlocking (emergency key) ...... 78
Lo we ring ............................................. 339 Medical aids .......................................... 30
Pa
rking up .......................................... .179
QR code rescue card ............................. 31
Qualified specialist workshop ................29
Ra ising ................................................ 335
REA CHregulation ..................................30
Re gistration ...........................................29
St andby mode function ...................... .180
St arting (Digital Vehicle Keyst icke r) .... 15 2
St arting (eme rgency operation
mode) .................................................. 15 2
St arting (Remo teOnline) ..................... 15 3
St arting (s tart/s top button) .................1 51
Switching off (s tart/s top button) .........1 74
To wing ................................................ .240
Un locking (Digital Vehicle Keyst icke r) ... 76
Un locking (from inside) .......................... 75
Un locking (KEYLESS-GO) ...................... .76
Ve ntilating (co nvenience opening) ......... 91
Ve hicle data
Displ aying (DYNAMIC SELECT) ............ 16 4
Ro of load ............................................. 356
Ve hicle height ...................................... 354
Ve hicle length ...................................... 354
Ve hicle width ....................................... 354 Wheelbase ...........................................3
54
Ve hicle dimensions ................................. 354
Ve hicle identification number
see VIN
Ve hicle identification plate .................... 343
EU general operating pe rmit number .. 343
Pa int code .......................................... .343
Pe rm issible axle load .......................... .343
Pe rm issible gross mass ...................... .343
VIN ...................................................... 343
Ve hicle interior
Cooling or heating (Remo teOnline) ..... 15 3
Ve hicle key
see Key
Ve hicle maintenance
see ASS YST PLUS
Ve hicle tool kit ........................................ .307
TIREFIT kit ...........................................3 07
To wing eye ...........................................3 21
Ve ntilating
Con venience opening ............................ 91
Ve ntilation
see Climate cont rol Index
459