MERCEDES-BENZ CLA 2023 Manual Online

The trunk lid could be opened unintentionally in
the following situations:
= A person\bs arms or legs are moving in the sen-
sor detection range, e.g. when polishing the
vehicle or picking up objects.
= Objects are moved or placed behind the vehi-
cle, e.g. the hose of a fuel dispenser, a charg-
ing cable or luggage
= Clamping straps, tarp or other coverings are
pulled over the bumper.
= A protective mat with a length reaching over
the trunk sill down into the detection range of
the sensors is used.
= The protective mat is not secured correctly.
Deactivate the function of the SmartKey
(  page 69) or do not carry the SmartKey about
your person in such situations.Unlocking and opening the trunk from inside with the emergency release
Requirements: = The 12 V vehicle battery is connected and
charged.
Press the emergency release button 1
brieOy.Side windows
Opening and closing the side windows
&WARNING Risk of entrapment when open-
ing a side window
When opening a side window, parts of the
body could be drawn in or become trapped
between the side window and window frame.
When opening, make sure that nobody is
touching the side window.If someone is trapped, release the but- ton immediately or pull it in order to
close the side window again.&WARNING Risk of becoming trapped when
closing a side window
When closing a side window, body parts could
be trapped in the closing area in the process.
When closing, make sure that no body
parts are in the closing area.Opening and closing79

If someone is trapped, release the but-ton immediately or press the button in
order to reopen the side window.&WARNING Risk of becoming trapped when
children operate the side windows
Children could become trapped if they operate
the side windows, particularly when unatten- ded.
Activate the child safety lock for the rear
passenger compartment side windows.When leaving the vehicle, always take the SmartKey with you and lock the vehicle.Never leave children unattended in thevehicle.
Requirements
= The power supply or the vehicle has been
switched on.
1Closing2Opening
The buttons on the driver\bs door take precedence.
To start automatic operation: press the b
button beyond the point of resistance or pull
and release it.To interrupt automatic operation: press or pull
the b button again.When the vehicle is switched oM, you can con-
tinue to operate the side windows.
This function is available for around four minutes or until a front door is opened.
Automatic reversing function of the side windows
If an obstacle impedes a side window during the closing process, the side window will open againautomatically. The automatic reversing function is
only an aid and is not a substitute for your atten- tiveness.During the closing process, make sure that no
body parts are in the closing area.&WARNING Risk of becoming trapped
despite there being reversing protection
on the side window
The reversing function does not react:
= To sos, light and thin objects, e.g. Nngers.
= During resetting.
The reversing function cannot prevent some-
one from becoming trapped in these situa- tions.
80Opening and closing

During the closing process, make sure
that no body parts are in the closing
area.If someone becomes trapped, press the
b button to open the side window
again.
Convenience opening (ventilating the vehicle
before starting a journey)
&WARNING Risk of entrapment when open-
ing a side window
When opening a side window, parts of the
body could be drawn in or become trapped
between the side window and window frame.
When opening, make sure that nobody is
touching the side window.Release the button immediately if some-
body becomes trapped.
Requirements
= The SmartKey is in the immediate vicinity of
the vehicle.
Press and hold the Ü button on the Smart-
Key.
The following functions are performed:
= The vehicle is unlocked.
= The side windows are opened.
= The panoramic sliding roof is opened.
= The seat ventilation of the driver\bs seat is
switched on.\bIf the roller sunblind of the panoramic sliding
sunroof is closed, the roller sunblind is
opened Nrst.To interrupt convenience opening: release the
Ü button.To continue convenience opening: press and
hold the Ü button again.Convenience closing (closing the vehicle from out-
side)&WARNING Risk of entrapment due to not
paying attention during convenience clos-
ing
When the convenience closing feature is oper-
ating, parts of the body could become trapped in the closing area of the side window and thesliding sunroof.
When the convenience closing feature isoperating, monitor the entire closing
process and make sure that no body
parts are in the closing area.
Requirements
= The key is in the immediate vicinity of the vehi-
cle.
Press and hold the ß button on the key.
The following functions will be performed:
= The vehicle will be locked.
= The side windows will be closed.
= The panoramic sliding roof will be closed.Opening and closing81

To interrupt convenience closing: release the
ß button.To continue convenience closing: press and
hold the ß button again.\bConvenience closing also functions with KEY-
LESS-GO (  page 72).
Resolving problems with the side windows
&WARNING Risk of becoming trapped or
fatally injured if reversing protection is not
activated
If you close a side window again immediately aser it has been blocked, the side window will
close with increased or maximum force. The
reversing function is then not active and body
parts may become trapped.
Make sure that no parts of the body are
in the closing area.To stop the closing process, release the
button or press the button again to
reopen the side window.A side window cannot be closed and you cannot see the cause.Check to see whether any objects are in the
window guide.Adjust the side windows.
Adjusting the side windows
If a side window is obstructed during closing and
reopens again immediately:
Immediately aser this, pull and hold the corre-
sponding button again until the side window
has closed and hold the button for at least one
more second (re-adjustment).
The side window will be closed without the automatic reversing function.
If the side window is obstructed again and
reopens again immediately:
Immediately aser this, pull and hold the corre-
sponding button again until the side window
has closed and hold the button for at least one
more second (follow-up adjustment).
The side window will be closed without the
automatic reversing function.The side windows cannot be opened or closed
using the convenience opening feature.
Possible causes: = The key battery is weak or discharged.Check the battery using the indicator lamp
(  page 68).Replace the key battery, if necessary
(  page 70).
Sliding sunroof
Opening and closing the sliding sunroof
\bThe term "sliding sunroof" also refers to the
panorama roof with power tilt/sliding panel.&WARNING Risk of becoming trapped when
the sliding sunroof is being opened and
closed
Body parts may become trapped in the range
of movement.
82Opening and closing

During opening and closing, make sure
that no body parts are in the range of
movement.Release the button immediately if some-
body becomes trapped.
or
BrieOy press the button in any direction
during automatic operation.
The opening or closing process will be
stopped.&WARNING Risk of becoming trapped if the
sliding sunroof is operated by children
Children operating the sliding sunroof could
get caught in the moving parts, particularly if
unattended.
Never leave children unattended in the vehicle.When leaving the vehicle, always take the key with you and lock the vehicle.&WARNING Risk of becoming trapped when
the roller sunblind is being opened and
closed
Body parts may become trapped between the
roller sunblind and frame or sliding roof.
When opening or closing, make sure that
no body parts are in the roller sunblind\bs
range of movement.Release the button immediately if some-
body becomes trapped.
or
BrieOy press the button in any direction
during automatic operation.
The opening or closing process will be
stopped.*NOTE Malfunction due to snow and ice
Snow and ice may cause the sliding sunroof to
malfunction.
Open the sliding sunroof only if it is free
of snow and ice.*NOTE Damage caused by protruding
objects
Objects that protrude from the sliding sunroof
may damage the seals.
Do not allow anything to protrude from
the sliding sunroof.*NOTE Damage to the panorama roof with
power tilt/sliding panel due to non-
approved roof luggage racks
The panorama roof with power tilt/sliding
panel may be damaged by the roof luggage
rack if you attempt to open it when using a
roof luggage rack not tested and approved for
Mercedes-Benz.
When a roof luggage rack is installed,
open the panorama roof with power tilt/
sliding panel only if this has been tested
and approved for Mercedes-Benz.
The panorama roof with power tilt/sliding
panel may be raised to allow ventilation of the
vehicle interior.
Opening and closing83

1Raise2Open3Close/lower
Use the W button to operate the panorama
roof with power tilt/sliding panel and the roller sunblind.
The panorama roof with power tilt/sliding panel
can be operated only when the roller sunblind is
open.Check whether the sliding sunroof can be
raised or opened when a roof luggage rack is
installed.To start automatic operation: press the W
button beyond the point of resistance or pull
and release it.To interrupt automatic operation: brieOy press
the W button in any direction.
The opening/closing process will be stopped.
Vehicles with a panorama roof with power tilt/
sliding panel: the automatic raising feature is
available only when the sliding sunroof is closed or raised.
Automatic reversing function of the sliding sun- roof
If an obstacle obstructs the sliding sunroof during
the closing process, the sliding sunroof will open
again automatically. The automatic reversing func-
tion is only an aid and is not a substitute for your attentiveness.
During the closing process, make sure that no
body parts are in the closing area.&WARNING Risk of becoming trapped
despite the reversing function being active
In particular, the reversing function does not
react:
= To sos, light and thin objects, e.g. Nngers.
= Towards the end of the closing procedure.
= During resetting.
During the closing process, make sure
that no body parts are in the closing
area.Release the button immediately if some-
body becomes trapped.
or
BrieOy press the button in any direction
during automatic operation.
The closing process will be stopped.
Automatic reversing function of the roller sunblind If an obstacle obstructs the roller sunblind duringthe closing process, the roller sunblind will open
84Opening and closing

again automatically. The automatic reversing func-
tion is only an aid and is not a substitute for your attentiveness.When closing the roller sunblind, make sure
that no body parts are in the area of move-
ment.&WARNING Risk of becoming trapped
despite reversing function
In particular, the reversing function does not
react to sos, light and thin objects, e.g. Nn-
gers.
When closing the roller sunblind, make
sure that no body parts are in the range
of movement.Release the button immediately if some-
body becomes trapped.
or
BrieOy press the button in any direction
during the automatic closing process.
The closing process will be stopped.Automatic functions of the sliding sunroof\bThe term "sliding sunroof" also refers to the
panoramic sliding sunroof.
Rain closing function when driving
Vehicles with a panoramic sliding sunroof: if it
starts to rain, the raised sliding sunroof will auto-
matically be lowered while the vehicle is in
motion.
Automatic lowering function
Vehicles with a panoramic sliding sunroof: if the
sliding sunroof is raised at the rear, it will auto-
matically be lowered slightly at higher speeds. At
low speeds, it will be raised again automatically.
&WARNING Risk of becoming trapped by
automatic lowering of the sliding sunroof
At higher speeds, the raised sliding sunroof
will automatically be lowered slightly at the
rear.
Make sure that nobody reaches into the
sliding sunroof\bs range of movement
while the vehicle is in motion.If somebody becomes trapped, brieOy
push the sliding sunroof button forwards
or backwards.\bBy pushing or pulling the W button, you
can interrupt the automatic functions "Rain closing function when driving" and "Automatic
lowering".
Rectifying problems with the sliding sunroof
&WARNING Risk of becoming trapped or
fatal injuries when the sliding sunroof is
closed again
If the sliding sunroof is closed again immedi-
ately aser it has been blocked or reset, it will
close with increased force.
Make sure that no parts of the body are
in the closing area.Release the button immediately if some-
body becomes trapped.
or
Opening and closing85

BrieOy press the button in any direction
during the automatic closing process.
The closing process will be stopped.
The sliding sunroof cannot be closed and you can-
not see the cause.
\bThe term "sliding sunroof" also refers to the
panorama roof with power tilt/sliding panel.
If the sliding sunroof is obstructed during closing and reopens again slightly:
Immediately aser automatic reversing, pull
and hold the W button down again to the
point of resistance until the sliding sunroof is
closed.
The sliding sunroof will be closed with increased force.
If the sliding sunroof is obstructed again and
opens again slightly:
Repeat the previous step. The sliding sunroof will be closed again with increased force.Vehicles with a panorama roof with power tilt/
sliding panel: The sliding sunroof or the roller sun- blind is not operating smoothly. Reset the sliding sunroof and the roller sun-
blind.
Resetting the sliding sunroof and the roller sun-
blind
Pull and hold the W button little by little
until the sliding sunroof is fully closed.Pull and hold the W button little by little
until the roller sunblind is fully closed.Use automatic operation to fully open and
then close the sliding sunroof.
Anti-thes protection
Function of the immobilizer
The immobilizer prevents your vehicle from being
started without the correct key.
The immobilizer is automatically activated when
the vehicle is switched oM 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 les inside the vehi-
cle.\bIn the event the engine cannot be started (yet
the vehicle!

The ATA system is armed automatically aser
approximately ten seconds in the following situa-
tions:
= aser locking the vehicle with the key
= aser locking the vehicle using KEYLESS-GO
Indicator lamp 1 Oashes when the ATA system is
armed.
The ATA system is deactivated automatically in the
following situations:
= aser unlocking the vehicle with the key
= aser unlocking the vehicle using KEYLESS-GO
= aser pressing the start/stop button with the
key in the stowage compartment
(  page 133)\bIf the battery is heavily discharged, the burglar
alarm system is automatically deactivated in favor of the next engine start.

q Deactivating the ATA
Press the Ü, ß or

=when using HANDS-FREE ACCESS
Information on collision detection on a parked
vehicle (  page 157).
Activating/deactivating the tow-away alarm
Multimedia system:
4 © 5
Settings 5
Quick Access
Activate or deactivate Tow-away Protection.
The tow-away alarm is activated again in the fol-
lowing cases:
= The vehicle is unlocked again.
= A door is opened.
= The vehicle is locked again.
\bIf quick access is unavailable, select the Vehi-
cle submenu in the Settings main menu to
activate or deactivate the tow-away alarm.
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 aser
approximately ten seconds:
= aser locking the vehicle with the key
= aser 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: = aser pressing the Ü or