keyless MERCEDES-BENZ E-CLASS CABRIOLET 2018 Owner's Manual

Ifyo udo not open theve hicle within appr ox‐
imately 40 seconds af ter unlocking:
RThe vehicle is loc ked again
RAnti- theft pr otection is reactivated
Do not keep the SmartK eytoge ther with elec‐
tronic devices or me tal objects. This can af fect
th e SmartK ey's functionality.
00CE If battery check lamp 2does not light up
af te r pressing the0036 or0037 button, the
battery is dischar ged.
Changing the SmartK eybattery (
→page 59).
Activating/deactivating the acoustic lo cking
ve rification signal
Multimedia sy stem:
00869HKLFOH00CFî 9HKLFOH 6HW
WLQJV00CF$FRXVWLF /RFN
00BBAc tivate 0073or deacti vate 0053 the function.
Ac tivating/deactivating the panic alarm
Re quirements
00CE The panic alarm function is only available in
cer tain countries.
RThe ignition is switched off.
00BBTo activate: press button 1for app rox‐
ima tely one second.
A visual and audible alarm is triggered.
00BBTo deactivate: briefly press but ton1 again.
or
00BBPress thest art/ stop button on the dash‐
board (the SmartK eyis inside theve hicle).
Changing the unlocking settings
Po ssible unlocking functions of the SmartK ey:
RCentral unlo cking
RUn locking the driver's door and fuel filler flap
00BBTo switch between settings: pressthe
0036 and0037 buttons simultaneously for
appr oximately six seconds until the battery
ch eck lamp flashes twice.
If th e unlocking function forth e driver's door
and fuel filler flap has been selecte d:
RPressingthe0036 button a second time cen‐
trally unloc kstheve hicle.
RVe hicles 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.
Re ducing the energy consu mption of the
SmartK ey
Allvehicles: ifyo udo not use theve hicle or a
SmartK eyfor an extended pe riod of time, you
can reduce the energy consum ption of the
58
Opening and closing

00BBTounlock theve hicle: touch the inner sur‐
fa ce of the door handle.
00BBTo lock theve hicle: touch sensor sur face
1 or2.
00BBCo nvenience closing: touch recessed sen‐
sor surf ace2for an extended pe riod.
00CE Further information on con venience closing
(
→pa ge 74).
If yo u open the trunk lid from outside it is auto‐
matically unloc ked.
Problems with KEYLESS-GO
Problem
Possible causes/consequences and 0050Solutions
Yo u can no longe r lock or unlock the
ve hicle using KEYLESS-GO. Po
ssible causes are:
RKEYLESS-GO has been deactivated .
RThe SmartK eybattery is dischar ged or near lydischar ged.
RThere is inter fere nce from a po werful radio signal source.
Opening and closing 63

ProblemPossible causes/consequences and 0050Solutions
RThe SmartKeyis defective.
00BBActivate KEYLESS-GO .
00BBCheck the battery using the battery check lamp and replace if necessary .
00BBUse the mechanical keyto lock or unlock theve hicle .
00BBHa ve theve hicle and SmartK eychecked at a qualified specialist workshop.
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.
00BBTo activate: press and hold button 2for
appr oximately five seconds until an acoustic
signal sounds.
00BBTo deactivate: press and hold button 1for
appr oximately five seconds until an acoustic
signal sounds.
There is a danger of being loc ked out if the func‐
tion is activated:
RWhile theve hicle is being tow star ted/
pushed.
ROn a roller dynamome ter.
64
Opening and closing

tipove 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.
00BBAlw aysstow objects in such a wayth at
th ey cannot be thro wn around.
00BBBefore the journe y,secure objects, lug‐
ga ge or loads against slipping or tipping
ove r.
0071
WARNING Risk of becoming trapped
duri ng au tomatic closing of the trunk lid
Pa rts of the body could become trapped dur‐
ing automatic closing of the trunk lid. More‐
ove r,people, e.g. children, may be standing
in the closing area or may enter the closing
area during the closing process.
00BBMake sure that nobody is in the vicinity
of the closing area during the closing
process.
00BBUse one of thefo llowing options tostop
th e closing process:
RPress the008B button on the
SmartK ey.
RPress or pull there mo teoperating
switch on the driver's door.
RPress the closing or locking button
on the trunk lid.
RPress theto p of thest ar on the
trunk lid.
Ve hicles with HANDS-FREE ACCESS: It is also
possible tostop the closing process bymoving
yo ur foot in a kicking motion under there ar
bumper.
Yo u ha vethefo llowing options toclose the
trunk lid:
00BBPull the trunk lid down using the handle
re cess and push it closed.
00BBVe hicles with HANDS-FREE ACCESS: With
th e trunk lid comple tely opened ,ki ck your
fo ot below the bumper (
→page 69).
00BBVe hicles with trunk lid co nvenience clos‐
ing and KEYLESS-GO: With th e trunk lid
comple tely opened, press and hold the008B
button on the trunk (with the SmartK eyinthe
vicinity of theve hicle).
00BBVe hicles with trunk lid co nvenience clos‐
ing: Press trunk lid remo teoperating switch
1.
Opening and closing 67

00BBVehicles with trunk lid co nvenience clos‐
ing: Press closing button 1inthe trunk lid.
00BBVe hicles with trunk lid co nvenience clos‐
ing and KEYLESS-GO: Press locking button
2 inthe trunk lid.
If a SmartK eyis de tected outside theve hicle,
th e trunk lid closes and theve hicle is loc ked. Au
tomatic reve rsing function of the trunk lid
If an object restricts the trunk lid during the
automatic closing process, the trunk lid opens
again automaticall y.The automatic reve rsing
function is only an aid and is not a substitute for
yo ur attentiveness.
00BBWhen closing, make sure that no body parts
are in the closing area.
0071
WARNING Risk of becoming trapped
despite there ve rsing function
The reve rsing function does not react:
Rto soft, light and thin objects, e.g. fingers.
Rove rth e last 00C2in (8 mm) of the closing
path.
In these situations in particular, there ve rsing
function cannot pr event someone being trap‐
ped.
00BBWhen closing, make surethat no body
parts are in the closing area.
00BBIf someone is trapped, use one of the
fo llowing options:
RPress the008B button on the
SmartK ey.
RPress there mo teoperating switch
on the driver's door.
RPress the closing or locking button
on the trunk lid.
RPress theto p of thest ar on the
trunk lid.
68 Opening and closing

HANDS-FREEACCESS function
With HANDS-FREE ACCESS you can open or
inter rupt trunk lid mo vement byper form ing a
kicking mo vement under there ar bumper.
Observ eth e no tes when opening (
→page 65)
th e trunk lid.
0071
WARNING Risk of burn s causedbya hot
ex haust sy stem
The vehicle exhaust sy stem can become very
hot. If you use HANDS- FREEACCESS, you
could burn yourself by touching theex haust
sy stem.
00BBAlw ays ensure that you only ma kea
kicking mo vement within the de tection
ra nge of the sensors.
0075 NO
TEDama getotheve hicle caused by
unin tentional lyopening the trunk lid
RWhen using an automatic car wash
RWhen using a high pressure cleaner
00BBDeactivate KEYLESS-GO or make sure
that the SmartK eylocated is at least
10 ft(3 m) away from theve hicle in
such situations.
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:
RThe SmartK eyis behind theve hicle.
RStand at least 12in (30 cm) away from the
ve hicle while per form ing the kicking mo ve‐
ment.
RDo not come into contact with the bumper
while making the kicking mo vement.
RDo not car ryout the kicking mo vement too
slowl y.
RThe kicking mo vement must be towa rdsth e
ve hicle and bac k.
1Sensor detection range
Opening and closing 69

If several consecutive kicking mo vements are
not successful, waitte n seconds.
Sy stem limitations
The sy stem may be impaired or may not function
if:
RSnow or dirt, e.g. from road salt, co vers the
sensor area.
RThe kicking mo vement is made using a pros‐
th etic leg.
The trunk lid could be opened or closed unin ten‐
tional ly, in thefo llowing situations:
RIf a person's arms or legs are moving in the
sensor de tection range, e.g. when polishing
th eve hicle, sitting on the edge of the trunk,
or picking up objects.
RIf objects are mo ved or placed behind the
ve hicle, e.g. tensioning stra ps or luggage
RWhen working on the trailer coupling, trailers
or rear bicycle rack s.
Deactivate KEYLESS-GO (
→page 58) or do not
car rythe SmartK eyabout your person insuch
situations.
Switch ing separate trunk locking on or off
Ifyo u centrally unlo ck theve hicle while separate
locking is activated, the trunk remains loc ked.
00BBTo switch on: slidethe switch toposition
0047.
00BBTo switch off: slidethe switch toposition
0048. 00CE
If an accident has been de tected, the trunk
unloc kseve n if separate lo cking is switched
on.
Un locking the trunk with the emer gency
re lease from inside
Re quirementsRThe 12‑V‑vehicle battery is connected and
ch arge d.
70
Opening and closing

00BBRelease the button if somebody
becomes trapped.
00BBPress and hold the0036 button on the
SmartK ey.
The following functions are per form ed:
RThe vehicle is unloc ked.
RThe side windo wsare opened when the
trunk pa rtition is open.
RThe soft top is opened when the trunk
partition is closed.
RThe seat ventilation of the driver's seat is
switched on.
00BBTo inter rupt convenience opening: release
th e0036 button.
Convenience closing (closing theve hicle
from outside)
0071 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 .
00BBObser vethe comple teclosing proce‐
dure when using con venience closing.
00BBWhen closing, make surethat no body
parts are in the closing area.
0071
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 trunk lid, or the side win‐
do ws .
00BBWhen opening or closing, make sure
that no body parts are in the vicinity of
moving components.
00BBRe lease the button if somebody
becomes trapped.
00BBPress and hold the0037 button on the
SmartK ey.
The following functions are per form ed:
RThe vehicle is loc ked.
RThe soft top is closed.
The side windo wsare closed when the
soft top is closed.
00BBTo inter rupt convenience closing: release
th e0037 button.
00CE Con venience closing can also be operated
wi th KEYLESS-GO (
→page 62).
74
Opening and closing

Anti-theft protection
Fu nction of the immobilizer
The immobilizer pr events your vehicle from being
st ar ted without the cor rect SmartK ey.
The immobilizer is automatically activated when
th e ignition is switched off and deactivated when
th e ignition is switched on.
When leaving theve hicle, alw aysta ke the Smart‐
Ke ywit hyo u and lock theve hicle. An yone can
st art the engine if a valid SmartK eyhas been left
inside theve hicle.
00CE Intheeve ntthe engine cannot bestar ted
(y et theve hicle ’sstar ter battery is charge d),
th e sy stem is not operational. Contact an
authorized Mercedes-Benz Center or call
1-800-FO R-MERCedes (in the USA) or
1-800-387-0 100 (in Canada).
ATA (anti-theft alarm system)
Fu nction of theATA system
If th eATA system is armed, a visual and audible
alarm is triggered in thefo llowing situations:
RWhen a door is opened
RWhen the trunk lid is opened
RWhen the hood is opened
The ATA sy stem is armed automatically af ter
appr oximately 10seconds:
RAfter locking theve hicle with the SmartK ey.
RAf ter locking theve hicle using KEYLESS-GO.
Indicator lamp 1flashes when theAT A sy stem
is activated.
The ATA sy stem is automatically deactivated:
RAf ter unlocking theve hicle with the Smart‐
Ke y
RAfter pressing thest art/ stop button with the
SmartK eyinthestow age compartment
(
→page 132)
Openin gan d closing 83

RAfter unlocking theve hicle using KEYLESS-
GO.
00CE When the mbrace service (
→page 283) is
active and the alarm stay s on for more than
30 seconds, a message is automatically sent
to the Cus tomer Assis tance Center.
Deacti vating the ATA
00BBPressthe0036, 0037or008B button on the
SmartK ey.
or
00BBPress thest art/ stop button with the Smart‐
Ke yin thestow age compartment
(
→page 132)
Deactivating the ala rmusing KEYLESS-GO:
00BBGrasp the outside door handle with the
SmartK eyoutside theve hicle.
84
Opening and closing