2019 MERCEDES-BENZ S-CLASS CABRIOLET trunk

SmartK
ey Overview of SmartK
eyfunctions &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R open doo rs,th ereby endangering other
persons or road users.
R get out of theve hicle and be hit by
oncoming traf fic.
R ope rate ve hicle equipment and become
trapped, forex ample.
In addition, children could also set theve hi‐
cle in motion, forex ample, by:
R releasing the parking brake.
R shifting the automatic transmission out of
park position 005D.
R starting the engine #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle. #
Keep the SmartK eyout of there ach of
ch ildren. *
NO
TEDama getotheke y caused by
magnetic fields #
Keep theke yaw ay from strong mag‐
netic fields. 1
Locks
2 Battery check lamp
3 Unloc ks
4 Opens/closes the trunk lid
5 Panic alarm
The Sma rtKe y loc ksand unlo cksth efo llowing
components:
R Doo rs
R Trunk lid
R Glovebox
R Fuelfiller flap 58
Opening and closing

If
yo u open the trunk lid from outside, the trunk
lid is automatically unloc ked. Problems with KEYLESS-GO
Problem
Possible causes/consequences and 0050
0050Solutions
Yo u can no lon ger lock or unlock the
ve hicle using KEYLESS-GO. Po
ssible causes are:
R The SmartK eybattery is weak or dischar ged.
R There is inter fere nce from a po werful radio signal source.
R The SmartK eyis defective. #
Check the battery using the battery check lamp and replace if necessary (→ page 60). #
Use the mechanical keyto lock or unlock theve hicle (→ page 60). #
Have theve hicle and SmartK eychecked at a qualified specialist workshop. Switching
the automatic locking feature
on/off The
vehicle is loc ked automatically when the
ignition is switched on and the wheels are turn‐
ing fast erthan walking pace. 64
Opening and closing

#
Release the door handle. #
Turn the emer gency key counter-clockwise to
position 0047. #
Carefully press the co ver onto the lock cylin‐
der until it engages and is seated firm ly. Tr
unk Opening
the trunk lid &
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
trunk lid is open when the engine is running,
especially if theve hicle is in motion. #
Alw ays switch off the engine before
opening the trunk lid. #
Never drive with the trunk lid open. *
NO
TEDama getothe trunk lid byobs ta‐
cles ab ovetheve hicle The trunk lid swings upwards when it is
opened. #
Therefore, make sure that there is suf fi‐
cient clearance ab ovethe trunk lid. Yo
u ha vethefo llowing options for opening the
trunk lid: #
With th e trunk lid unloc ked, press theto p of
th e Mercedes star. #
Pull thefo lded-out Mercedes star when the
re ar view camera is activated and the trunk
lid is unloc ked.
% Toopen the trunk lid, pull on thefo lded-out
Mercedes star when there ar view camera is
activated. #
Press and hold the008B button on the
SmartK ey. 66
Opening and closing

#
Pull trunk lid remo teoperating switch 1. #
Vehicles with HANDS-FREE ACCESS: Make
a kicking mo vement with your foot below the
bumper (→ page 69).
Ve hicles with trunk lid conv enience closing:
If an item obstructs the trunk lid during the auto‐
matic opening process, the obs tacle de tection
sy stem will stop the trunk lid. The obs tacle de
tection function is only an aid and is not a
substitu teforyo ur attentiveness. Closing
the trunk 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. &
WARNING Risk of becoming trapped
du ring 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. #
Make sure that nobody is in the vicinity
of the closing area during the closing
process. #
Use one of thefo llowing options tostop
th e closing process:
R Press the008B button on the
SmartK ey.
R Press or pull there mo teoperating
switch on the driver's door.
R Press the closing or locking button
on the trunk lid.
R Press theto p of thest ar on the
trunk lid. Ve
hicles with HANDS-FREE ACCESS: It is also
possible tostop the closing process bymaking a Opening and closing
67

kicking mo
vement with your foot below there ar
bumper.
Yo u ha vethefo llowing options for closing the
trunk lid: #
Vehicles with trunk lid conv enience clos‐
ing feature: Press closing button 1onthe
trunk lid. #
Vehicles with trunk lid conv enience clos‐
ing feature and KEYLESS-GO: Press locking
button 2onthe trunk lid.
If a SmartK eyis de tected outside theve hicle,
th e trunk lid will close and theve hicle will be
loc ked. #
Vehicles with trunk lid conv enience clos‐
ing feature: Press trunk lid remo teoperating
switch 1. #
Vehicles with HANDS-FREE ACCESS: Make
a kicking mo vement with your foot below the
bumper (→ page 69).
Tr unk lid automatic reve rsing feature
If an object obstructs the trunk lid during the
automatic closing process, the trunk lid will
open again automaticall y.The automatic reve rs‐
ing feature is on lyan aid and is not a substitute
fo ryo ur attentiveness. #
When closing, make sure that no body parts
are in the closing area. &
WARNING Risk of becoming trapped
despi tethere ve rsing function
The reve rsing function does not react:
R tosoft, light and thin objects, e.g. fingers.
R overth e last 00C2in (8 mm) of the closing
path. 68
Opening and closing

In
these situations in particular, there ve rsing
function cannot pr event someone being trap‐
ped. #
When closing, ma kesure that no body
parts are in the closing area. #
If someone is trapped, use one of the
fo llowing options:
R Press the008B button on the
SmartK ey.
R Press there mo teoperating switch
on the driver's door.
R Press the closing or locking button
on the trunk lid.
R Press theto p of thest ar on the
trunk lid. HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCESS you can open, close
or inter rupt trunk lid mo vement byper form ing a
kicking mo vement under there ar bumper.
The kicking mo vement triggers the opening or
closing process alternately.
Obser vethe no tes when opening (→ page 66)
and closing (→ page67)th e trunk lid. %
Awa rning tone sounds while the trunk lid is
opening or closing. &
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 trunk lid R
When using an automatic car wash
R When using a high pressure cleaner #
Deactivate KEYLESS-GO or make sure
that the SmartK eylocated is at least
10 ft(3 m) away from theve hicle in
such situations. Opening and closing
69

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 SmartK eyis behind theve hicle.
R Stand at least 12in (30 cm) away from the
ve hicle while per form ing the kicking mo ve‐
ment.
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
Sensor de tection range
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 trunk lid could be opened or closed unin
ten‐
tional ly, in thefo llowing situations:
R If 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.
R If objects are mo ved or placed behind the
ve hicle, e.g. charging cables, tensioning
st ra ps or luggage.
Deactivate KEYLESS-GO (→ page 59) or do not
car rythe SmartK eyabout your person in these
and similar situations. Switching separate trunk locking on/off
If
yo u centrally unlo cktheve hicle while separate
locking is activated, the trunk will remain loc ked. 70
Opening and closing

#
Toswitch on: slidethe switch toposition
0048. #
Toswitch off: slidethe switch toposition
0047.
% If an accident has been de tected, the trunk
will unlock even if separate lo cking is
switched on. Un
locking the trunk with the emer gency
re lease from inside Re
quirements:
R The 12Vve hicle battery is connected and
ch arge d. #
Press emer gency release button 1brief ly.
The trunk lid unloc ksand opens. Un
locking the trunk lid using the mechanical
key #
Take the mechanical key out of the SmartK ey
( → page 60). #
Press theto p of Mercedes star 1. Opening and closing
71