MERCEDES-BENZ S-CLASS SALOON LONG 2020 Manual Online

Indicator lamp of
theve hicle locking sy stem Indicator lamp
1inthe trim on the driver's side
fl ashes when theve hicle is loc ked from outside.
Indicator lamp 1remains off if theve hicle is
loc ked from inside or while theve hicle is in
motion. Ac
tivating/deactivating the acoustic lo cking
ve rification signal Multimedia sy
stem:
4 © 5
Settings 5
Vehicle
5 Opening/closing #
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 ands 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
the function of thekey Ve
hicles with KEYLESS-GO: ifyo u deactivate
th e function of theke y,the KEYLESS-GO func‐
tions are also deactivated. Access or drive
au thorization byKEYLESS-GO is then no longer 78
Opening and closing

possible with
that particular key.Activate the
function of theke y so that all its functions will
again be available.
Yo u can also deactivate the function of thekey
to reduce the energy consum ption of theke y if
yo u do not use theve hicle or a keyfo r an exten‐
ded pe riod of time. #
Todeactivate: pressthes 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, the function of theke y is automatical ly
activated (/ page189). Re
moving/inserting the eme rgency key Re
moving the eme rgency key #
Press release button 1.
Emer gency key2 is pushed out slight ly. #
Fully remo veemer gency key2. Inserting
the emer gency key #
Insert emergency key2 at marking 3until
it en gage s.
% You can use eme rgency key2 toattach the
ke yto ake yring. Re
placing the key battery &
DANG ER Risk of fata l injuries if batteries
are swallo wed
Batteries contain toxic and cor rosive sub‐
st ances. Swallowing bat teries may cause
se vere internal burns within two hours. Opening and closing
79

There is a
risk of fata l injur y. #
Keep batteries out of there ach of chil‐
dren. #
Ifth e co ver and/or lid of the battery
compartment does not close securel y,
do not use theke y and keep it away
from children. #
If batteries are swallo wed, seek medical
attention immediately. +
ENVIRONMEN
TALNO TEEnvironmental
dama gedue toimproper disposal of bat‐
te ries Batteries conta
in pollutants. It is
illegal todispose of them with the household
ru bbish. #
Dispose of batteries in an
environmen tally responsible manner.
Ta ke dischar ged batteries toaqu alified
specialist workshop or toa collection
point for used batteries. Re
quirements:
R Yourequ ire a CR 2032 3 V cell batter y.
Mercedes-Benz recommends that you ha vethe
battery replaced at a qualified specialist work‐
shop. #
Remo vethe emer gency key ( / page 79). #
Press eme rgency key2 into the opening in
th eke y in the direction of the ar row until
co ver1 opens. When doing so, do not hold
co ver1 closed. 80
Opening and closing

#
Insert emergency key2 into the opening
and lift up co vering 3 and remo veit. #
Repeatedly taptheke y again styour palm
until bat tery 4 falls out of thekey. #
Insert the new battery with the positive pole
fa cing up wards. Use a lint-free clo thtodo so. #
Make sure that the sur face of the battery is
free of lint, grease and other impurities. #
Insert the front tabs of co vering 3 into the
housing and then press on bo thsides to
close it. #
Makesure that co vering 3 is compl etely
closed. #
Insert the front tabs of co ver1 into the
housing and then press until it is comple tely
closed. #
Insert the emer gency key again ( /page 79). Problems with
theke y,troublesho oting Yo
u can no lon ger lo ckor unlock theve hicle
Po ssible causes:
R The key bat tery iswe ak or dischar ged. #
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 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 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. Opening and closing
81

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.
If th eve hicle has been loc ked via Mercedes me
connect, the additional door lock is not activa‐
te d.
If th e additional door lock is activated, the doors
cann otbe opened from the inside.
% After locking you can issue a signal with the
horn.
Yo u can pr eventthe additional door lock from
being activated bydeactivating interior pr otec‐
tion before locking theve hicle (/ page106). Un
locking/opening the doors from the inside #
United Kingdom onl y:obser vethe no tes on
th e additional door lock (/ page81). #
Pull door handle 1. Centrally locking and unlocking
theve hicle
from the inside #
Tounlo ck:press button 1. #
Tolock: press button 2.
The red indicator lamp on button 2lights
up once theve hicle is loc ked.
% The buttons are also on there ar doors.
This does not lock or unlo ckthe fuel filler flap. 82
Opening and closing

The
vehicle is not unloc ked:
R Ifyo u ha veloc kedth eve hicle using thekey.
R Ifyo u ha veloc kedth eve hicle using KEY‐
LESS-GO. Locking/unlocking
theve hicle with KEY‐
LESS-GO Re
quirements:
R The key is outside theve hicle.
R The dis tance between theke y and theve hicle
does not exceed 1 m.
R The driver's door and the door at which the
door handle is used are closed.
In thefo llowing cases, the door handles are
ex tended:
R when theve hicle is unloc ked
R when theve hicle key is de tected
R when a door is opened
In thefo llowing cases, the door handles are
re tracted:
R when theve hicle is loc ked R
when pulling away
R afte rwa iting for a time
* NO
TEDama getotheve hicle caused by
unin tentionally opening 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 #
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. Obser
vethefo llowing information:
R Information on washing theve hicle in a car
wa sh (/ page 353)
R Information on using a high-pressure cleaner
(/ page 354) #
Tounlo cktheve hicle: touch the inner sur‐
fa ce of door handle 1. Opening and closing
83

%
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

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

#
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

#
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