2023 MERCEDES-BENZ S CLASS Owners Manual

=shielding due to metal objects or induction
loops for electrical gate systems or automatic
barriersMake sure that there is su"Pcient distance
between the key and the potential source of
interference.
You have lost a key
Have the key deactivated at a quali"Ned spe-
cialist workshop.If necessary, have the mechanical lock
replaced as well.Doors
Unlocking/opening the doors from the inside
To unlock and open a front door: pull door
handle 1.To unlock a rear door: pull the rear door han-
dle.To open a rear door: pull the rear door handle
again.Centrally locking and unlocking the vehicle from the insideTo unlock: press button 1.To lock: press button 2.
The red indicator lamp on button 2 will light
up once the vehicle is locked.\bThe buttons are also on the front passenger and rear doors.Opening and closing87

This does not lock or unlock the fuel "Nller "Oap.
Plug-in hybrid: the socket "Oap is also locked and
unlocked. The socket "Oap can be opened even if a
key is detected in the car.
The vehicle will not be unlocked: = if you have locked the vehicle using the key
= if you have locked the vehicle using KEYLESS-
GO
Recessed door handles extend or retract
The door handles extend automatically:
= when you unlock the vehicle with the key
= when you touch the outer sensor surface of
the door handle (when the vehicle is unlocked)
The door handles retract automatically: = when you lock the vehicle with the key
= when pulling away
= a"ser waiting for a time
Extend the door handle: Touch the outer 1
sensor surface.
Locking/unlocking the vehicle with KEYLESS-GO
Requirements
= The key is outside the vehicle.
= The distance between the key and the vehicle
does not exceed 3 "s (1 m).
=
The driver\bs door and the door on which the
door handle is used are closed.
The door handles will 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 will retract automatically:
= when you lock the vehicle with the key
= when you touch the recessed sensor surface
of the door handle to lock it
= a"ser comfort locking (  page 102)
= when you pull away
= a"ser a waiting period*NOTE Damage to the vehicle caused by
unintentionally opening the trunk lid or a
door
= When using an automatic car wash
88Opening and closing

=When using a high pressure cleanerDeactivate the function of the SmartKey
in these situations.
or
Make sure that the SmartKey is at a min-
imum distance of 10 "s (3 m) (power
washer) or 20 "s (6 m) (automatic car
wash) away from the vehicle.
Observe the notes:
= on washing the vehicle in a car wash
(  page 410)
= on using a high pressure cleaner
(  page 412)
Unlocking the vehicle: with the door handle
extended, touch the inside surface of door
handle 1.
If the door handle is not extended, e.g. a"ser a
waiting period:
Touch sensor surface 2 to unlock.Opening and closing89

To lock the vehicle: touch recessed sensor
surface 3.Convenience closing: touch recessed sensor
surface 3 for an extended period.\bFurther information on convenience closing
(  page 102).Problems with KEYLESS-GO, troubleshooting
You can no longer lock or unlock the vehicle using
KEYLESS-GO
Possible causes: = The function of the SmartKey has been deacti-
vated.
= The SmartKey battery is weak or discharged.
Activate the function of the SmartKey
(  page 84).Check the battery using the indicator lamp
(  page 82).Replace the SmartKey battery, if necessary
(  page 85).Use the replacement SmartKey.Use the emergency key to lock or unlock
(  page 91).Have the vehicle and SmartKey checked at a
quali"Ned specialist workshop.There is interference from a powerful radio signal
source
Possible causes if the function of KEYLESS-GO 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
barriersMake sure that there is su"Pcient distance
between the SmartKey and the potential
source of interference.
Activating or deactivating the automatic locking
feature
Multimedia system:
4 © 5
Settings 5
Vehicle
5 Open/Close
\bThe vehicle is locked automatically when the
vehicle is switched on and the wheels are
turning faster than walking pace.90Opening and closing

Activate or deactivate Automatic Door Lock.
In the following situations, there is a danger of
being locked out when the function is activated:
= The vehicle is being towed or pushed.
= If the vehicle is being tested on a roller dyna-
mometer.
Power 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
canceled by pulling the outer or inner
door handle.
If you push the door into the lock to the "Nrst
detent position, the power closing function will
automatically pull the door into the lock.
\bAutomatic closing of the doors may be trig-
gered if the vehicle is locked from the outside, or during pulling away.
Locking/unlocking the vehicle with the mechani-cal key
Unlocking a le"s-hand vehicle door with the
mechanical key
\bIf you unlock and open the driver\bs door with the mechanical key, this triggers the burglar
alarm system.\bIf you unlock the driver\bs door with the
mechanical key, the trunk lid will not be
unlocked.
Vehicles without KEYLESS-GO
Remove the mechanical key (  page 84).Pull and hold the door handle.Insert the mechanical key into the lock cylin-
der.Turn the mechanical key counter-clockwise to
position G.Turn the mechanical key back to its starting
position.Opening and closing91

Remove the mechanical key and release thedoor handle.
Vehicles with KEYLESS-GO
Remove the mechanical key (  page 84).
If the door handle is retracted:
Insert a "Oat, non-metallic object behind door
handle 1 from above and pry it slightly out-
ward.Reach behind door handle 1 from below, pull
it outward to the pressure point and hold it
there.
If the door handle is extended:
Pull door handle 1 outward to the pressure
point and hold it there.Insert the mechanical key into the lock cylin-
der.Turn the mechanical key counter-clockwise to
position G.Forcefully pull door handle 1 outward past
the pressure point.Turn the mechanical key back to its starting
position.Remove the mechanical key and release the door handle.92Opening and closing

Locking the doorsInsert a suitable object, e.g. the mechanicalkey, into opening 1 on the door lock.To lock the le"s-hand side of the vehicle: turn
the mechanical key clockwise as far as it will go.To lock the right-hand side of the vehicle: turn
the mechanical key counter-clockwise as far
as it will go.
If the locked door is then closed, it can no longer be opened from the outside.
Trunk
Opening the trunk lid
&DANGER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Exhaust
gases can enter the vehicle interior if the trunk
lid is open when the engine is running, espe-
cially if the vehicle is in motion.
Always switch o"M the engine before
opening the trunk lid.Never drive with the trunk lid open.*NOTE Damage to the trunk lid by obsta-
cles above the vehicle
The trunk lid swings upwards when it is
opened.
Therefore, make sure that there is su"P-
cient clearance above the trunk lid.Pull the trunk lid handle.Vehicles with HANDS-FREE ACCESS: make a
kicking movement with your foot below the
bumper (  page 97).Opening and closing93

Vehicles with trunk lid convenience closingPull remote operating switch 1 until the
trunk lid opens.
or
Press and hold the - button on the key.If the trunk lid is stopped in an intermediate
position, pull it upwards. Release it as soon as
it begins to open.With the trunk lid opening height restriction
activated, manually pull the stopped trunk lid
upwards.
If an obstacle obstructs the trunk lid during the
automatic opening process, blockage detection
will stop the trunk lid. The automatic blockage
detection function is only an aid and is not a sub-
stitute for your attentiveness.
Closing the trunk lid
&WARNING Risk of injury from unsecured
items in the vehicle
If objects, luggage or loads are not secured or
not secured su"Pciently, they could slip, tip
over or be thrown around and thereby hit vehi- cle occupants.
There is a risk of injury, particularly in the
event of sudden braking or a sudden change
in direction.
Always stow objects in such a way that
they cannot be thrown around.Before the journey, secure objects, lug-
gage or loads against slipping or tipping
over.Observe the notes on loading the vehicle.
Notes on closing the trunk lid: your vehicle is
equipped with automatic SmartKey recognition. If
a SmartKey belonging to the vehicle is detected in
the vehicle, the trunk lid will not be locked and will pop open again.
Note that the trunk lid will not be locked if the fol- lowing situation occurs:
= You have locked the vehicle and close the
trunk lid while a SmartKey belonging to the vehicle is inside the vehicle.
and
= A second SmartKey belonging to the vehicle is
not detected outside the vehicle.
Automatic SmartKey recognition is only an aid and is not a substitute for your attentiveness.
Before locking, ensure that at least one
SmartKey belonging to the vehicle is outside the vehicle.94Opening and closing