MERCEDES-BENZ S CLASS 2023 Owners Manual

Extending or retracting the rear window roller sun-
blind&WARNING Risk of becoming trapped when
extending or retracting the roller sunblind
Body parts may become trapped in the roller
sunblind\bs range of movement.
Ensure there are no body parts in the
range of movement.If someone becomes trapped, brie"Oy
press the button again.
The opening or closing process will
brie"Oy be stopped. The roller sunblind
will then return to its starting position.
Extending or retracting from the driver\bs seat
*NOTE Damage caused by objects
Objects can cause the roller sunblind to mal-
function.
Do not place any objects on the rear
shelf.Ensure that the roller sunblind can move freely.Press button 1.Extending or retracting from the rear passenger
compartment*NOTE Damage caused by objects
Objects can cause the roller sunblind to mal-
function.
Do not place any objects on the rear
shelf.Ensure that the roller sunblind can move freely.Opening and closing109

To extend: pull switch 1.To retract: press switch 1.
When the child safety lock for the rear side win-
dows is activated, switch 1 cannot be operated.
Anti-the"s protection
Function of the immobilizer
The immobilizer prevents your vehicle from being
started without the correct key.
The immobilizer will automatically be activated
when the vehicle is switched o"M, and deactivated
when the vehicle is switched on.
When leaving the vehicle, always take the key with you and lock the vehicle. Anyone can start thevehicle if a valid key has been le"s inside the vehi-
cle.
\bIn the event the engine cannot be started (yet
the vehicle!

Indicator lamp 1 will "Oash when the ATA system
is armed.
The ATA system will be deactivated automatically
in the following situations:
= a"ser the vehicle is unlocked with the key
= a"ser the vehicle is unlocked using KEYLESS-
GO
= a"ser the start/stop button is pressed with the
key in the stowage compartment
(  page 204)

q Deactivating the ATAPress the Ü, U or - button on the
key.
or
Press the start/stop button with the key in the stowage compartment (  page 204)
Deactivating the alarm using KEYLESS-GO
With the key outside the vehicle, touch the
inner surface of the door handle.
Function of the tow-away alarm
\bThis function may not be available in all coun-
tries.
An audible and visual alarm will be triggered if an
alteration to your vehicle\bs angle of inclination is detected while the tow-away alarm is armed.
The tow-away alarm will automatically be armed
a"ser approximately 60 seconds:
= a"ser the vehicle is locked with the key
= a"ser the vehicle is locked using KEYLESS-GO
The tow-away alarm will be armed only when the
following components are closed:
= Doors
= Trunk lid
The tow-away alarm will automatically be deacti-
vated:
= a"ser the Ü or - button on the key is
pressed
= a"ser the start/stop button is pressed with the
key in the stowage compartment
(  page 204)
= a"ser the vehicle is unlocked using KEYLESS-
GO
= when HANDS-FREE ACCESS is used
Information on collision detection on a parked
vehicle (  page 250).Opening and closing111

Arming/deactivating tow-away alarm
Multimedia system:4 © 5
Settings 5
Vehicle
5 Opening/closing 5
Vehicle Protection
Arm or deactivate Tow-away Protection .
Tow-away alarm is armed again in the following
cases:
= The vehicle is unlocked again.
= A door is opened.
= The vehicle is locked again.
Function of interior protection
\bThis function may not be available in all coun-
tries.
When interior protection is armed, a visual and
audible alarm is triggered if movement is detected in the vehicle interior.
Interior protection is armed automatically a"ser
approximately ten seconds:
= a"ser locking the vehicle with the key
= a"ser locking the vehicle using KEYLESS-GO
Interior protection is armed only when the follow-
ing components are closed:
= Doors
= Trunk lid
Interior protection is automatically deactivated: = a"ser pressing the Ü or - button on the
key
= a"ser pressing the start/stop button with the
key in the stowage compartment
(  page 204)
= a"ser unlocking the vehicle using KEYLESS-GO
= when using HANDS-FREE ACCESS
The following situations can lead to a false alarm:
= when there are moving objects suchas mas-
cots in the vehicle interior
= if a side window is open
= if the panorama roof with power tilt/sliding
panel is openArming/deactivating interior protection
Multimedia system:
4 © 5
Settings 5
Vehicle
5 Opening/closing 5
Vehicle Protection
Arm or deactivate Interior Motion Sensor .
Interior protection is armed again in the following
cases:
= The vehicle is unlocked again.
= A door is opened.
= The vehicle is locked again.
112Opening and closing

Notes on the correct driver\bs seat position&WARNING Risk of accident due to adjust-
ing the vehicle settings while the vehicle is
in motion
You could lose control of the vehicle in the fol-
lowing situations in particular:
= If you adjust the driver\bs seat, the head
restraint, the steering wheel or the mirror while the vehicle is in motion
= If you fasten your seat belt while the vehi-
cle is in motion
Before starting the vehicle: in particular,
adjust the driver\bs seat, head restraint,
steering wheel and mirror, and fasten
your seat belt.
Ensure the following when adjusting steering
wheel 1, seat belt 2 and driver\bs seat 3:
= You are sitting as far away from the driver\bs
airbag as possible, taking the following points
into consideration:
= You are sitting in an upright position
= Your thighs are slightly supported by the seat
cushion
= Your legs are not fully extended and you can
depress the pedals properly
= The back of your head is supported at eye
level by the center of the head restraint
= You can hold the steering wheel with your
arms slightly bent
= You can move your legs freely
= You can see all the displays on the driver\bs dis-
play clearly
= You have a good overview of the tra"Pc condi-
tions
= Observe the notes on fastening the seat belt
correctly .
Notes on grab handles
&WARNING Risk of injury due to excessive
load on the grab handles
If you apply your full body weight to the grab
handle or pull it abruptly, the grab handle may
be damaged or come loose from its anchor- age. This may result in injuries.
Use the grab handles only to stabilize theseating position or to assist in getting in
and out of the seat.Seats and stowing113

Seats
Adjusting the front seat electrically
&WARNING Risk of becoming trapped if the
seats are adjusted by children
Children could become trapped if they adjust
the seats, particularly when unattended.
When leaving the vehicle, always take the SmartKey with you and lock the vehicle.Never leave children unattended in thevehicle.You can adjust the seats when the vehicle is
switched o"M.&WARNING Risk of becoming trapped when
adjusting the seat
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the
seat guide rail.
When adjusting a seat, make sure that no one has any part of their body within
the sweep of the seat.Observe the safety notes on "Air bags" and "Chil-
dren in the vehicle".&WARNING Risk of accident due to adjust-
ing the vehicle settings while the vehicle is
in motion
You could lose control of the vehicle in the fol-
lowing situations in particular:
= If you adjust the driver\bs seat, the head
restraint, the steering wheel or the mirror while the vehicle is in motion
= If you fasten your seat belt while the vehi-
cle is in motion
Before starting the vehicle: in particular,
adjust the driver\bs seat, head restraint,
steering wheel and mirror, and fasten
your seat belt.&WARNING Risk of becoming trapped if the
seat height is adjusted carelessly
If you adjust the seat height carelessly, you or
other vehicle occupants could be trapped and
thereby injured.
Children in particular could accidentally press
the electrical seat adjustment buttons and
become trapped.While moving the seats, make sure that hands or other body parts do not get
under the lever assembly of the seat adjustment system.&WARNING Risk of injury due to incorrectly
adjusted head restraints
If head restraints have not been adjusted cor-
rectly, there is an increased risk of injury in
the head and neck area, e.g. in the event of an accident or sudden braking.
Before driving o"M, make sure for every
vehicle occupant that the center of the
head restraint supports the back of the
head at about eye level.Adjust the head restraint fore-and-a"s position so
that it is as close as possible to the back of your head.114Seats and stowing

&WARNING Risk of injury or death due to
an incorrect seat position
The seat belt does not o"Mer the intended level
of protection if you have not moved the seat backrest to an almost vertical position.
In particular, you could slip beneath the seat- belt and become injured.
Adjust the seat properly before begin-
ning your journey.Always ensure that the seat backrest is
in an almost vertical position and that
the shoulder belt is routed across the
center of your shoulder.&WARNING Risk of injury due to excessive
load on the grab handles
If you apply your full body weight to the grab
handle or pull it abruptly, the grab handle may
be damaged or come loose from its anchor-
age. This may result in injuries.
Use the grab handles only to stabilize the seating position or to assist in getting in
and out of the seat.&WARNING Risk of potentially fatal injuries
due to objects trapped under the front
passenger seat
Objects trapped under the front passenger seat may interfere with the function of the
automatic front passenger air bag shuto"M or
damage the system.
Do not stow any objects under the front
passenger seat.When the front passenger seat is occu-
pied, ensure that no objects have
become trapped beneath the front
passenger seat.*NOTE Damage to the seats when moving
the seats back
The seats may be damaged by objects when
moving the seats back.
When moving the seats back, make sure
that there are no objects in the footwell,
under or behind the seats.
The switches for adjusting the seats do not move. You will therefore receive no direct feedback on
the switch while pressing the switch. Feedback is provided only by the movement of the seat.
Seats and stowing115

1Head restraint fore-and-a"s position (vehicles
with an EASY ADJUST luxury head restraint)2Head restraint height3Seat height4Seat cushion inclination5Seat cushion length6Seat fore-and-a"s position7Seat backrest inclinationSave the settings with the memory function
(  page 138).\bThe head restraint height will be adjusted
automatically when you adjust the seat height
or the seat fore-and-a"s position.\bVehicles with EASY ADJUST luxury head
restraints: the fore-and-a"s position of the
head restraint will be adjusted automatically
when you adjust the backrest angle.Adjusting the front passenger seat electrically
from the driver\bs seat
You can call up the following functions for the
front passenger seat:
= Seat adjustment
= Seat heating
= Seat ventilation
= Memory function
116Seats and stowing

To select the front passenger seat: press but-
ton 1.
When the indicator lamp lights up, the front
passenger seat is selected.Adjust the front passenger seat using the but-
tons on the driver\bs side door operating unit.Adjusting the front passenger seat electrically
from the rear passenger compartment
Vehicles with electrically adjustable outer seats
1Selects the front passenger seat2Head restraint height3Seat backrest inclination4Seat height5Seat fore-and-a"s position
Vehicles with an EASY ADJUST luxury head restraint
1Selects the front passenger seat2Head restraint fore-and-a"s position3Head restraint height4Seat backrest inclination5Seat height6Seat fore-and-a"s positionSeats and stowing117

Vehicles with seat for chau"Meur mode and long
wheelbase
1Selects the front passenger seat2Head restraint fore-and-a"s position3Head restraint height4Seat backrest inclination5Seat height6Front passenger seat footrest7Seat fore-and-a"s positionThe footrest can be adjusted only when one of the
following conditions has been ful"Nlled:
= Depending on the equipment, the front
passenger seat will be in one of the following
positions:
- Vehicles without leg rest: the front
passenger seat has moved into a random
position.
- Vehicles with leg rest: the front passenger
seat has been moved fully forward.
= The front passenger seat is in the position for
chau"Meur mode.Adjust the rear seat (  page 119).Adjust the reclining rear seat (  page 119).To select the front passenger seat: press but-
ton 1.
When the indicator lamp lights up, the front
passenger seat is selected.Adjust the front passenger seat using the but-
tons on the door operating unit in the rear
passenger compartment.\bYou can use the rear passenger compartment child safety lock to disable this function
(  page 81).
Adjusting the 4-way lumbar support
1Higher2So"ser118Seats and stowing