MERCEDES-BENZ S-CLASS SALOON LONG 2022 Owners Manual

=
indicat or lamp 1 is oM via the switch on
the corresponding rear door or driver's
door
When the child safety lock is activated, the con-
tr
ols in the rear compartment are disabled for:
= the rear side windows
= the adjustment of the front passenger seat
from the rear compartment
= the rear seat belt extender
= the roller sunblinds:
- of the rear side windows
- of the rear window
- in the roof Notes on pets in the vehicle
&
WARNING Risk of accident and injur
y due
to animals les unsecured or unattended in
the vehicle
If you leave animals in the vehicle unattended
or unsecur
ed, they could press buttons or
switches, for instance. An animal may:
= activ

ate vehicle equipment and become
trapped, for example
= switch systems on or oM and endanger
other road users
Unsecured animals may be thrown about the
vehicle in the event of an accident, or sudden
steering and braking manoeuvres, and injure
vehicle occupants. 
Never leave animals unattended in the
v

ehicle. 
Always correctly secure animals while
dr

iving, e.g. using a suitable animal car-
rier. 88
Occupant safety

Key
Overview of key functions
&
WARNING Risk of accident and injur y due
to leaving children unattended in the vehi-
cle
If children are les unatt
ended in the vehicle,
they could, in particular:
= open doors, thereby endangering other
persons or road users.
= get out and be struck by oncoming traPc.
= operate vehicle equipment and become
trapped, for example.
In addition, the children could also set the
vehicle in motion by, for example:
= releasing the parking brake.
= changing the transmission position.
= starting the vehicle. 
Never leave children unattended in the
v
ehicle. 
When leaving the vehicle, always take the
k
ey with you and lock the vehicle. 
Keep the vehicle key out of the reach of
c
hildren. *
NOTE Damag
e to the key caused by mag-
netic Nelds 
Keep the key away from strong magnetic
Nelds. Vehicle key
1 Indicator lamp
2 To lock 3
Unlocks (with embossed surface)
4 Opens/closes the boot lid
% If indicator lamp 1 does no
t light up aser
pressing the

Indicator lamp of the vehicle locking system
Indicator lamp
1 in t he trim on the driver's side
Oashes when the vehicle is locked from outside.
In the following cases, indicator lamp 1 remains
oM
= when the vehicle is locked from inside
= whilst driving Activating/deactivating the acoustic locking
v
eriN-
cation signal Multimedia system:
4 © 5
Settings 5
Vehicle
5 Open/close 
Activate or deactivate the Acoustic lock.
% Please observe:
The select

ed setting for the acoustic locking
veriNcation signal must comply with the rele-
vant national road and traPc regulations. In
some countries, including Germany, using the
acoustic locking veriNcation signal is forbid-
den by traPc laws (in accordance with g16
Para. 1 and g30 Para. 1 of the German
national road traPc regulations). The driver of
the vehicle must comply with these regula-
tions. In countries where the use of this func-
tion is forbidden, this function is not activated
in the vehicle and must not be activated. Changing the unlocking settings
Possible unlocking functions of the key:
= Centr

al unlocking =
U
nlocking the driver's door and fuel Nller Oap
= Plug-in hybrid: unlocking the driver's door and
fuel Nller Oap/socket Oap 
To switch between settings: pr
ess the

er's door, only the driver's door and the fuel
Nller
Oap/soc
ket Oap are unlocked. Deactivating the function of the key
Vehicles with KEYLESS-GO:
if y
ou deactivate the
function of the key, the KEYLESS-GO functions are
also deactivated. Access or drive authorization by
KEYLESS-GO is then no longer possible with that
particular key. Activate the function of the key so
that all its functions will again be available.
You can also deactivate the function of the key to
reduce the energy consumption of the key if you
do not use the vehicle or a key for an extended
period of time. 
Deactivate: Pr
ess and hold the key button
U. 
With the key button U pr
essed, immedi-
ately press key button

There is a risk of fatal injury.

Keep batteries out of the reach of chil-
dr
en. 
If the cover and/or lid of the battery
com

partment does not close securely,
do not use the key and keep it away from
children. 
If batteries are swallowed, seek medical
att

ention immediately. +
ENVIRONMENTAL NOTE
En
vironmental
damage due to improper disposal of bat-
teries Batteries contain pollutants. It is
illeg

al to dispose of them with the household
rubbish. 
Dispose of batteries in an
en

vironmentally responsible manner. Take discharged batteries to a
q
ualiNed
specialist workshop or to a collection
point for used batteries. Requirements:
= Y

ou require a CR 2032 3 V cell battery.
Mercedes-Benz recommends that you have the
battery replaced at a qualiNed specialist work-
shop. 
Remove the emergency key (  pag
e 91). 
Press emergency key 2 int
o the opening in
the key in the direction of the arrow until cover
1 opens. When doing so, do no
t hold
cover 1 closed. 
Insert emergency key 2 int
o the opening and
lis up covering 3 and remove it. 
Repeatedly tap the key against your palm until
batt
ery 4 falls out of the key. 
Insert the new battery with the positive pole
f

acing upwards. Use a lint-free cloth to do so. 
Make sure that the surface of the battery is
fr

ee of lint, grease and other impurities. 
Insert the front tabs of covering 3 int
o the
housing and then press on both sides to close
it. 92
Opening and closing


Make sure that covering 3 is com pletely
closed. 
Insert the front tabs of cover 1 int
o the
housing and then press until it is completely
closed. 
Insert the emergency key again (  pag
e 91).Problems with the key, troubleshooting
You can no longer lock or unlock the vehicle
P
ossible causes:
= The key battery is weak or discharged. 
Check the battery using the indicator lamp
( pag

e 89). 
Replace the key battery, if necessary
( pag
e 91). 
Use the replacement key. 
Use the emergency key to lock or unlock
( pag

e 97). 
Have the key checked at a q
ualiNed specialist
workshop. There is interference from a powerful radio signal
sour
ce
Possible causes if the function of the key is
impaired:
= high voltage power lines
= mobile phones
= electronic devices (notebooks, tablets)
= shielding due to metal objects or induction
loops for electrical gate systems or automatic
barriers 
Make sure that there is suPcient dis
tance
between the key and the potential source of
interference.
You have lost a key 
Have the key deactivated at a q
ualiNed spe-
cialist workshop. 
If necessary, have the mechanical lock
r
eplaced as well. Doors
Notes on the additional door lock
The additional door lock is only available for vehi-
cles f
or the United Kingdom. &
WARNING Risk of injur
y to persons inside
the vehicle when the additional door lock
is activated
If the additional door lock is activated, the
door
s can no longer be opened from the
inside. 
Never leave persons, in particular chil-
dr

en, unattended in the vehicle. 
If there are persons in the vehicle, do not
activ
ate the additional door lock. The additional door lock is automatically activated
in t

he following situations:
= The vehicle is locked using the key.
= The vehicle is locked using KEYLESS-GO. Opening and closing
93

If the vehicle has been locked via Mercedes me
connect, t he additional door lock is not activated
(  page 407).
If the additional door lock is activated, the doors
cannot be opened from the inside.
% Aser loc
king you can issue a signal with the
horn.
You can prevent the additional door lock from
being activ
ated by deactivating interior protection
before locking the vehicle ( page 118). Unlocking/opening the doors from the inside

United Kingdom only: obser
ve the notes on
the additional door lock ( page 93). 
Pull door handle 1. Centrally locking and unlocking the vehicle from
t
he inside 
To unlock: pr
ess 1 button. 
To lock: pr
ess button 2.
The red indicator lamp on button 2 lights up
once the vehicle is locked.
% The buttons are also on the rear doors.
This does not lock or unlock the fuel Nller Oap.94
Opening and closing

Plug-in hybrid: t
he socket Oap is also locked and
unlocked. The socket Oap can be opened even if a
key is detected in the car.
The vehicle is not unlocked:
= if you have locked the vehicle using the key
= if you have locked the vehicle using KEYLESS-
GO Locking/unlocking the vehicle with KEYLESS-GO
Requirements:
= The k

ey is outside the vehicle.
= The distance between the key and the vehicle
does not exceed 1 m.
= The driver's door and the door on which the
door handle is used are closed.
The door handles extend automatically: = when a vehicle key is detected (the vehicle is
then not yet unlocked)
= when you unlock the vehicle with the key
= when you touch the outer sensor surface of
the door handle to unlock it The door handles retract automatically:
= when y

ou lock the vehicle with the key
= when you touch the recessed sensor surface
of the door handle to lock it
= aser comfort locking ( page 108)
= when pulling away
= aser waiting for a time
* NOTE Damag
e to the vehicle caused by
unintentionally opening the boot lid or a
door =
when using an aut
omatic car wash
= when using a high pressure cleaner 
Deactivate the function of the key in
t

hese situations.
or 
Make sure that the key is at a minimum
dis

tance of 3 m (high-pressure cleaner)
or 6 m (automatic car wash) away from
the vehicle. Observe the notes:
= on w

ashing the vehicle in a car wash
(  page 434)
= on using a high pressure cleaner
( page 436) 
Unlocking the vehicle: W
ith the door handle
extended, touch the inside surface 1 of the
door handle. Opening and closing
95

If the door handle is not extended, e.!

=
mobile phones
= electr
onic devices (notebooks, tablets)
= shielding due to metal objects or induction
loops for electrical gate systems or automatic
barriers 
Make sure that there is suPcient dis
tance
between the key and the potential source of
interference. Activating or deactivating the automatic locking
f

eature Multimedia system:
4 © 5
Settings 5
Vehicle
5 Open/close
% The vehicle is locked automatically when the
v
ehicle is switched on and the wheels are
turning faster than walking pace. 
Activate or deactivate Automatic locking.
In the following situations, there is a danger of
being loc
ked out when the function is activated:
= The vehicle is being towed or pushed. =
If t
he vehicle is being tested on a roller dyna-
mometer. Power closing function
&
WARNING Risk of becoming tr
apped when
the doors close automatically
Body parts or objects can become trapped,
causing injur
ies. 
Ensure that no body parts or objects are
in t
he closing area. 
Automatic closing of the doors can be
cancelled b

y pulling the outer or inner
door handle. If you push the door into the lock to the
Nr
st
detent position, the power closing function will
automatically pull the door into the lock.
% If the vehicle is locked from the outside, or
while pulling a

way, an automatic closing of the
doors can be triggered. Locking/unlocking the vehicle with the emer-
g
ency key Unlocking a
les-hand v
ehicle door with the emer-
gency key element
Vehicles without KEYLESS-GO 
Remove the emergency key (  pag
e 91). 
Pull and hold the door handle. Opening and closing
97