key MERCEDES-BENZ S-CLASS SALOON LONG 2020 User Guide
Page 87 of 609
%
Ifth e door handle is not extended, touch
sensor sur face 2 tounlo ck. #
Tolock theve hicle: touch recessed sensor
su rface 3. #
Con venience closing: touch recessed sen‐
sor su rface 3for an extended pe riod.
% Further information on con venience closing
(/ page 95). Problems with
KEYLESS-GO, troubleshooting 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. #
Activate theke y functions (/ page78). #
Check the battery using the indicator lamp
(/ page 77). #
Replace theke y bat tery, if necessary
(/ page 79). #
Use there placement key. #
Use the emer gency keyto lock or unlock
(/ page 85). #
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 suf ficient di stance
between theke y and the po tential sou rce of
inter fere nce. Ac
tivating or deactivating the automatic
lo ck ing feature Multimedia sy
stem:
4 © 5
Settings 5
Vehicle
5 Locking function
% The vehicle is loc ked automatically when the
ignition is switched on and the wheels are
turning faster than walking pace. #
Activate or deacti vate Automatic locking .
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 or
pushed 84
Opening and closing
Page 88 of 609
R
ifth eve hicle is being tested on a roller dyna‐
mome ter Po
we r closing function &
WARNING Risk of becoming trapped
when the doors close automatically
Body parts or objects can become trapped,
causing injuries. #
Ensure that no body parts or objects
are in the closing area. #
Automatic closing of the doors can be
cancelled bypulling the outer or inner
door handle. If
yo u push the door into the lock tothefirst
de tent position, the po wer closing function will
auto matical lypull the door into the loc k.
% Ifth eve hicle is loc ked from the outside, or
while pulling away, an automatic closing of
th e doors can be triggered. Locking/unlocking
theve hicle with the
emer gency key Un
locking a left-hand vehicle door with the
emer gency key element
Ve hicles without KEYLESS-GO #
Remo vethe emer gency key ( / page 79). #
Pull and hold the door handle. #
Tounlo ck:insert the emer gency key in tothe
lock cylinder. #
Turn the emer gency key anti-clo ckwise to
position 1. #
Remo vethe emer gency key and release the
door handle.
Ve hicles with KEYLESS-GO #
Remo vethe emer gency key ( / page 79). Opening and closing
85
Page 89 of 609
#
Ifth e door handle is retracted: pressthe
front area of door handle 1.
The door handle folds slightly outward. #
Pull and hold the door handle. #
Ifth e door handle is extended: slightly pull
and hold the door handle. #
Tounlo ck:insert the emer gency key in tothe
lock cylinder. #
Turn the emer gency key anti-clo ckwise to
position 1. #
Remo vethe emer gency key and release the
door handle. Locking
the doors #
Insert a suitable object, e.g. the emer gency
ke y,into opening 1onthe door loc k. #
Tolock the left-hand side of theve hicle:
turn the emer gency key clo ckwise as far as it
will go. 86
Opening and closing
Page 90 of 609
#
Tolock theright-hand side of theve hicle:
turn the emer gency key anti-clo ckwise as far
as it will go.
If th e loc ked door is then closed, it can no longer
be opened from the outside. Boot
Opening
the boot 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
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. #
Pull the boot lid handle. #
Vehicles with HANDS-FREE ACCESS: make
a kicking mo vement with your foot below the
bumper (/ page 90). Ve
hicles with boot lid conv enience closing #
Pull boot lid remo teoperating switch 1. #
Press and hold theH button on thekey. #
Ifth e boot lid is stopped in an intermediate
position, pull it upwards. Release it as soon
as it begins toopen.
Wi th th e boot lid opening limiter activated,
manually pull thestopped boot lid upwards. Opening and closing
87
Page 91 of 609
If an obs
tacle obstructs the boot lid during the
automatic opening process, bloc kage detection
will stop the boot lid. The automatic bloc kage
de tection function is only an aid and is not a
substitu teforyo ur attentiveness. 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. Note
on closing the boot lid: your vehicle is
equipped with automatic keyre cognition. If a key
belonging totheve hicle is de tected in theve hi‐
cle, the boot lid will not be loc ked.
This depends on thefo llowing conditions:
R You ha veclosed the boot lid and theve hicle
wa s loc ked beforehand.
R A second key belonging totheve hicle is not
de tected outside theve hicle.
The boot lid will then not be loc ked and will pop
open again.
Au tomatic keyre cognition is only an aid and is
not a substitu teforyo ur attentiveness. #
Before locking, ensure that at least one key
belonging totheve hicle is outside theve hi‐
cle. #
Pull the boot lid down wards using the handle
re cess and push it closed.
% Ifyo u light lypush the boot lid closed, the
po we r closing function will auto maticallypull
th e boot lid into the loc k. Ve
hicles with boot lid conve nience closing &
WARNING Risk of becoming trapped
du ring au tomatic closing of the boot lid
Pa rts of the body could become trapped.
There may be people in the closing area. #
Make sure that nobody is in the vicinity
of the closing area. #
Use one of thefo llowing options tostop
th e closing process:
R Press theH button on thekey.
R Press or pull there mo teoperating
switch on the driver's door.
R Press the closing or locking button
on the boot lid.
R Pull the boot lid handle. #
Vehicles with HANDS-FREE ACCESS: it is
also possible tostop the closing process by
making a kicking mo vement below there ar
bumper. #
Pull the boot lid handle. Release it as soon as
it begins toclose. 88
Opening and closing
Page 92 of 609
#
Ifth e boot lid is stopped in an intermediate
position, push it down wards.
The boot lid will continue toclose. #
Press boot lid remo teoperating switch 1. #
Press closing button 1onthe boot lid.
Ve hicles with KEYLESS-GO #
Press locking button 2onthe boot lid.
If a key is de tected outside theve hicle, the
boot lid will close and theve hicle will be
loc ked. #
With th e boot lid comple tely open, press and
hold theH button on thekey. Thekey
must be in the vicinity of theve hicle.
Ve hicles with HANDS-FREE ACCESS #
With th e boot lid comple tely open, make a
kicking mo vement with your foot below the
bumper (/ page 90).
Boot lid automatic reve rsing function
The boot lid is fitted wi thautomatic bloc kage
de tection wi thare ve rsing function. If an obs ta‐
cle obstructs the boot lid during the automatic
closing process, it will automatically open again.
The automatic reve rsing function is only an aid
and is not a substitute foryo ur attentiveness. #
During the closing process, make sure that
no body parts are in the closing area. &
WARNING Risk of becoming trapped
despi tereve rsing function
The reve rsing function will not react:
R tosoft, light and thin objects, e.g. fingers
R towa rdsth e end of the closing procedure Opening and closing
89
Page 93 of 609
In
these situations in particular, there ve rsing
function cannot pr event someone being trap‐
ped. #
Ensu rethat no body parts are in the
closing area. #
If someone is trapped, use one of the
fo llowing options:
R Press theH button on thekey.
R Press there mo teoperating switch
on the driver's door.
R Press the closing or locking button
on the boot lid.
R Pull the boot lid handle. HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCESS you can open, close
or inter rupt boot 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 (/ page87)
and closing (/ page 88)the boot lid. %
Awa rning tone sounds while the boot 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 boot lid or a
door R
when using an automatic car wash
R when using a high pressure cleaner #
Deactivate theke y functions in these
situations.
or 90
Opening and closing
Page 94 of 609
#
Make sure that theke y is at a minimum
dis tance of 3 m (high-pressu recleaner)
or 6 m (automatic car wash) away from
th eve hicle. 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.
Obser vethefo llowing no tes:
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 limits
The sy stem may be impaired or may not function
in thefo llowing cases:
R The sensors are dirty, e.g. due toroad salt or
sn ow.
R The kicking mo vement is made using a pros‐
th etic leg. The boot lid could be opened or closed unin
ten‐
tionally, in thefo 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 done on the trailer hitch, trail‐
ers or rear bicycle rack s.
Deactivate theke y functions ( /page 78) or do
not car rytheke y about your person in such sit‐
uations. Opening and closing
91
Page 95 of 609
Switching separate boot locking on and off
Multimedia sy
stem:
4 © 5
Settings 5
Vehicle
5 Opening/closing
Switching separate boot locking on #
Select Block boot. #
Create a PIN. #
Press OKtoconfirm the PIN. #
Ente rth e PIN again and confi rmit.
The boot will remain loc ked if you unlo ckthe
ve hicle centra lly.
% If an accident has been de tected, the boot
will unlock even if separate lo cking is
switched on.
% You can open the boot with the emer gency
ke yev en while boot locking is active. Sepa‐
ra te boot locking will remain active.
Switching separate boot locking off #
Select Block boot . #
Enter the PIN.
If th e PIN is cor rect, separate boot locking
will be switched off and the PIN dele ted.
Re setting the PIN
If yo u ha veforg ottenth e PIN, you can swit choff
separate boot locking with the emer gency key. #
Select Block boot. #
Confirm Forgotten PIN? . #
Unlock the boot within 3 minutes with the
emer gency key.
Sepa rate boot locking will be switched off
and the PIN dele ted. Un
locking the boot lid using the emer gency
key #
Take the emer gency key element out of the
ke y (/ page 79). #
Insert the emer gency key in tothe boot lock
as far as it will go. #
Turn the emer gency key anti-clo ckwise from
position 1toposition 2. #
Turn the emer gency key back toposition 1
and remo veit.
% Ifyo u use the emer gency keyto unlo ckand
open the boot lid, the anti- theft alarm sys‐
te m will be triggered. 92
Opening and closing
Page 98 of 609
Ra
in is de tected byara in sensor on the
windscreen.
R inextreme temp eratures
R afte r a cer tain time (depending on the on-
board electrical sy stem voltage)
R ifth ere is a malfunction in the po wer supply
The side windo wswill be closed as far as the
ve ntilation position.
Ve hicles with a panorama sliding sunroof:
th e side windo wswill be closed comple tely ifthe
sliding sunroof is open.
If th e side windo wsare obstructed during auto‐
matic closing, the side window concerned will
open again slightl y.The automatic function for
th e sliding sunroof and the side windo wswill
th en be deactivated. Con
venience opening (ventilating theve hicle
before starting a journey) &
WARNING Risk of entrapment when
opening a side window
When opening a side windo w,parts of the
body could be dr awn in or become trapped
between the side window and window frame. #
When opening, make sure that nobody
is touching the side windo w. #
Release the button immediately if
somebody becomes trapped. #
Press and hold theÜ button on thekey.
The following functions are per form ed:
R The vehicle is unloc ked.
R The side windo wsare opened.
R The pano ramic sliding roof is opened.
R The seat ventilation of the driver's seat is
switched on. %
Ifth ero ller sunblinds of the panoramic slid‐
ing sunroof are closed, thero ller sunblinds
are opened firs t.
% Ifth ero ller sunblinds of there ar doors are
closed, thero ller sunblinds are opened firs t. #
Tointer rupt convenience opening: release
th eÜ button. #
Tocontinue con venience opening: press
and hold theÜ button again. Con
venience closing (closing theve hicle
from outside) &
WARNING Risk of entrapment due tonot
paying attention du ring 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‐
dow and the sliding sunroof. #
When the con venience closing feature
is operating, monitor the entire closing Opening and closing
95