key MERCEDES-BENZ E-CLASS CABRIOLET 2018 User Guide

#
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 procedure is
comple te. %
Further information on con venience closing
(→ page 87).
If yo u open the boot lid from outside it is auto‐
matically unloc ked. Problems with KEYLESS-GO
Problem
Possible causes/consequences and M
MSolutions
Yo u can no lon ger lock or unlock the
ve hicle using KEYLESS-GO. Po
ssible causes:
R The key functions ha vebeen deactivated (→ page73).
R The key bat tery iswe ak or dischar ged.
R There is inter fere nce from a po werful radio signal source.
R The key is faulty. #
Activate theke y functions (→ page73). #
Check the battery using the battery check lamp and replace if necessary (→ page74). #
Use the emer gency keyto unlo ckor lock theve hicle (→ page74). #
Have theve hicle and keych ecked at a qualified specialist workshop. Opening and closing
79

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. #
Todeactivate: press and hold button 1for
appr oximately five seconds until an acoustic
signal sounds.
In thefo llowing situations, there is a danger of
being loc ked out when the function is activated:
R While theve hicle is being tow star ted/
pushed.
R The vehicle is being tested on the dynamom‐
et er. Locking/unlocking
the driver's door with the
emer gency key %
Ifyo u wish tolock theve hicle entirely using
th e emer gency key,firs t press the button for
locking from the inside while the driver's
door is open. Then proceed tolock the driv‐
er's door using the emer gency key. #
Insert the emer gency key as far as it will go
into opening 1inthe co ver. #
Pull and hold the door handle. #
Pull the co ver on the emer gency key as
st ra ight as possible away from theve hicle
until it releases. #
Release the door handle. 80
Opening and closing

#
Tounlo ck:turn the emer gency key anti-
clo ckwise toposition 1. #
Tolock: turnthe emer gency key clo ckwise to
position 1. #
Carefully press the co ver onto the lock cylin‐
der until it engages and is seated firm ly. Boot
Opening the bo
otlid &
DANG ER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Exhaust
ga ses can enter theve hicle interior if the
boot lid is open when the engine is running,
especially if theve hicle is in motion. #
Alw ays switch off the engine before
opening the boot lid. #
Never drive with the boot lid open. *
NO
TEDama getothe boot lid byobs ta‐
cles ab ovetheve hicle The boot lid swings upwards when it is
opened.
#
Therefore, make sure that there is suf fi‐
cient clearance ab ovethe boot lid. Yo
u ha vethefo llowing options for opening
the bo otlid: #
Pull boot lid remo teoperating switch 1. #
Press and hold thep button on thekey. #
With th e boot lid unloc ked, press theto p of
th e Mercedes star.
% Toopen, pull on thefo lded-out star when the
boot lid is unloc ked. Opening and closing
81

#
Vehicles with HANDS-FREE ACCESS: Use
yo ur foot to kick below the bumper
(→ page 82). 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. Comply with
the loading guidelines when loading
th eve hicle. Yo
u ha vethefo llowing options toclose the
boot lid: #
Pull the boot lid down 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 81). &
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 82
Opening and closing

aw
ay from theve hicle in such situa‐
tions. When making
the kicking mo vement, make sure
th at your feet are firm ly on the ground, other‐
wise you could lose your balance, e.g. on ice.
Re quirements:
R The key is behind theve hicle.
R Stand at least 30 cm away from theve hicle
while per form ing the kicking mo vement.
R Do not come into contact with the bumper
while making the kicking mo vement.
R Do not car ryout the kicking mo vement too
slowl y.
R The kicking mo vement must be towa rdsthe
ve hicle and back again. 1
Detection range of the sensors
If se veral consecutive kicking mo vements are
not successful, waitte n seconds.
Sy stem limitations
The sy stem may be impaired or may not function
if:
R Snow or dirt, e.g. from road salt, co vers the
sensor area.
R The kicking mo vement is made using a pros‐
th etic leg. The boot lid could be opened unin
tentionally, in
th efo llowing situations:
R A person's arms or legs are moving in the
sensor de tection range, e.g. when polishing
th eve hicle or picking up objects.
R Objects are mo ved or placed behind theve hi‐
cle, e.g. tensioning stra ps or luggage.
R Clamping stra ps, tarp aulins or other co ver‐
ings are pulled overth e bumper.
R A pr otective mat with a length reaching over
th e boot sill down into the de tection range of
th e sensors is used.
R The pr otective mat is not secured cor rectl y.
R Workis being under take n on the trailer hitch,
on trailers or rear bicycle rack s.
Deactivate theke y functions ( →page 73) or do
not ca rryth eke y about your person in such sit‐
uations. Swit
ching separate boot locking on or off If
yo u centrally unlo cktheve hicle while separate
locking is activated, the boot will remain loc ked. Opening and closing
83

&
WARNING Risk of becoming trapped
when opening/closing the soft top .
When opening or closing the soft top, there
is a risk that parts of the body could become
trapped bymoving parts such as thero of
mechanism, the boot lid, or the side win‐
do ws. #
When opening or closing, make sure
that no body parts are in the vicinity of
moving components. #
Release the button if somebody
becomes trapped. #
Press and hold the% button on thekey.
The following functions are per form ed:
R The vehicle is unloc ked.
R The side windo wsare opened when the
boot separator is open.
R The soft top is opened when the boot
separator is closed. R
The seat ventilation of the driver's seat is
switched on. #
Tointer rupt convenience opening: release
th e% button. Con
venience closing (closing theve hicle
from outside) &
WARNING Risk of entrapment caused by
inadver tent con venience closing
When the con venience closing feature is
operating, parts of the body could become
trapped in the closing area of the side win‐
do ws. #
Obser vethe comple teclosing proce‐
du re when using con venience closing. #
When closing, ma kesure that no body
parts are in the closing area. &
WARNING Risk of becoming trapped
when opening/closing the soft top .
When opening or closing the soft top, there
is a risk that parts of the body could become
trapped bymoving parts such as thero of
mechanism, the boot lid, or the side win‐
do ws. #
When opening or closing, make sure
that no body parts are in the vicinity of
moving components. #
Release the button if somebody
becomes trapped. #
Press and hold the& button on thekey.
The following functions are per form ed:
R The vehicle is loc ked.
R The soft top is closed.
The side windo wsare closed when the
soft top is closed. #
Tointer rupt convenience closing: release
th e& button. Opening and closing
87

%
Con venience closing can also be operated
wi th KEYLESS-GO (→ page78). Problems with
the side windo ws Problem
Possible causes/consequences and M
M Solutions
A side window cann otbe closed and
yo u cannot see the cause. #
Check tosee whe ther any objects are in the window guide.
& WARNING Risk of becoming trapped or fata lly injured if reve rsing pr otection is not activated
If yo u close a side wind owagain immediately af ter it has been bloc ked or reset, the side window closes
with increased or maximum forc e. The reve rsing feature is then not active.
Pa rts of the body could become trapped in the closing area in the process. #
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 toreopen the side win‐
do w. If a side window is obstructed during closing and
reopens again slightly: #
Immediately af terth e window is bloc ked, pull the cor responding switch again until the side window has
closed, and hold the switch for an additional second.
The side window will be closed with increased forc e.
If a side window is obstructed again during closing and reopens again slightly: 88
Opening and closing

Problem
Possible causes/consequences and M
MSolutions #
Repeat the pr evious step.
The side window is closed without the automatic reve rsing function.
The side windo wscannot be opened or
closed using the con venience opening
fe ature. The
key bat tery iswe ak or dischar ged. #
Check the battery using the battery indicator lamp and replace if necessary (→ page74). Soft
top Opening and closing
the soft top using the
so ft-top switch &
WARNING Risk of becoming trapped
due tothe soft top lo wering unexpect‐
ed ly
If yo u do not fully open/close the soft top,
th e soft-to phy draulics depressurise af ter a
short time.
This causes the soft topto lowe r unexpect‐
edly and may cause you or others tobe trap‐
ped. #
Alw ays fully open or close the soft top. &
WARNING Risk of becoming trapped
when opening/closing the soft top .
When opening or closing the soft top, there
is a risk that parts of the body could become
trapped bymoving parts such as thero of
mechanism, the boot lid, or the side win‐
do ws. #
When opening or closing, make sure
that no body parts are in the vicinity of
moving components. #
Release the button if somebody
becomes trapped. *
NO
TEPossible damage tothe soft top
when opening or closing The soft
top can be damaged when opening
or closing. #
Make sure there is suf ficient clearance
ab ove it. #
Only load the boot below the boot sepa‐
ra tor so that it will not be pushed
upwards. #
Make sure that the boot lid is closed. #
Ifth e soft top is dirty, wet or frozen, do
not open the soft top. Opening and closing
89

Problem
Possible causes/consequences and M
MSolutions
The boot separator is not closed. #
Remo ve ov erhanging luggage and close the boot separator.
The mechanical soft-to p components or control sy stem are defective. #
Consult a qualified specialist workshop.
The soft top has been opened and closed se veral times in a row. The soft-top drive has been switched off
au tomatical lyand will be available again af ter appro ximately ten minu tes. #
Repeat the opening or closing procedure af ter appro ximately ten minu tes.
Yo u are driving at a speed greaterth an 60 km/h. #
Reduce your speed tobelow 60 km/h. 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. 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 98)
R when tow- aw ay protection is triggered
(→ page 97)
The ATA system is primed automatically af ter
appr oximately ten seconds in thefo llowing situa‐
tions:
R afte r locking theve hicle with thekey 96
Opening and closing

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 pressing thest art/ stop button with the
ke y in thestow age compartment
(→ page 159)
R afte r unlocking theve hicle using KEYLESS-
GO
% 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 354).
Deactivating theATA #
Press the%, &orp button on the
key.
or #
Press thest art/ stop button with theke y in
th estow age compartment (→ page159)
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.
To w- aw ay protection is automatically primed
af te r about 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 the% orp button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(→ page 159)
R afte r unlocking theve hicle using KEYLESS-
GO Opening and closing
97