Get Opening and closing -> Side windows Guide for Mercedes CLA 4 Door Third Generation (2025-2026)

The trunk lid could be opened unintentionally in

the following situations:

A person's 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 loading 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 70) 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 emergency release button 1 briey.

Activating/deactivating the trunk lid opening

height restriction

Multimedia system:

Settings

Vehicle

Other Functions

Switch Opening Height Limiter on or o.

This function prevents the trunk lid from hitting a

low garage ceiling, for example.

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.

Opening and closing

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.

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 the

vehicle.

Requirements:

The power supply or the vehicle has been

switched on.

Closing

Opening

The buttons on the driver's door take precedence.

To start automatic operation: press the W

button beyond the pressure point or pull and

release it.

To interrupt automatic operation: press or pull

the W button again.

Opening and closing

When the vehicle is switched o, 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 again

automatically. 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 so, light and thin objects, e.g. ngers.

During resetting.

The reversing function cannot prevent some-

one from becoming trapped in these situa-

tions.

During the closing process, make sure

that no body parts are in the closing

area.

If someone becomes trapped, press the

W 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 will be performed:

The vehicle will be unlocked.

The side windows will be opened.

The panoramic sliding sunroof will be

opened.

The driver's seat ventilation will be

switched on

If the roller sunblind of the panoramic sliding

sunroof is closed, the roller sunblind will be

opened rst.

To interrupt convenience opening: release the

Ü button.

To continue convenience opening: press and

hold the Ü button again.

Opening and closing

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 the

sliding sunroof.

When the convenience closing feature is

operating, monitor the entire closing

process and make sure that no body

parts are in the closing area.

Requirements

The SmartKey is in the immediate vicinity of

the vehicle.

Press and hold the ß button on the Smart-

Key.

The following functions will be performed:

The vehicle will be locked.

The side windows will be closed.

The panoramic sliding sunroof will be

closed.

To interrupt convenience closing: release the

ß button.

To continue convenience closing: press and

hold the ß button again.

Convenience closing also functions with KEY-

LESS-GO (/ page 74).

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

aer 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 aer 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 aer this, pull and hold the corre-

sponding button again until the side window

Opening and closing

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 are:

The key battery is weak or discharged.

Check the battery using the indicator lamp

(/ page 69).

Replace the key battery, if necessary

(/ page 71).

Sliding sunroof

Opening and closing the sliding sunroof

The 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.

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.

Briey 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's

range of movement.

Release the button immediately if some-

body becomes trapped.

Briey press the button in any direction

during automatic operation.

The opening or closing process will be

stopped.

Opening and closing

Opening and closing -> Side windows for Your Mercedes CLA 4 Door Third Generation (2025-2026)

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