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

To unlock: turn the mechanical key counter-

clockwise to position 1.

To lock: turn the mechanical key clockwise to

position 1.

Carefully press the cover onto the lock cylin-

der until it engages and is seated rmly.

Locking the front passenger door and rear doors

Insert a suitable object, e.g. the mechanical

key, into opening 1 on the door lock.

To lock the le-hand side of the vehicle: turn

the mechanical key counter-clockwise as far

as it will go.

To lock the right-hand side of the vehicle: turn

the mechanical key 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 the engine before

opening the trunk lid.

Never drive with the trunk lid open.

Opening and closing

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-

cient clearance above the trunk lid.

Vehicles with HANDS-FREE ACCESS: Make a

kicking movement with your foot below the

bumper (/ page 79).

Pull remote operating switch 1 until the

trunk lid opens.

Press and hold the p button on the Smart-

Key.

With the trunk lid unlocked, press the top of

the Mercedes star 2.

To open, pull on the folded-out Mercedes star

when the reversing camera is activated.

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ciently, they could slip, tip

over or be thrown around and thereby hit vehi-

cle occupants.

Opening and closing

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.

To close the trunk lid: pull the trunk lid down-

wards using the handle recess and push it

closed.

HANDS-FREE ACCESS function

With HANDS-FREE ACCESS, you can open the

trunk lid by performing a kicking movement under

the bumper. The transmission must be in position

j for this.

Observe the notes when opening the trunk lid

(/ page 77).

Opening and closing

WARNING Risk of burns caused by a hot

exhaust system

The vehicle exhaust system can become very

hot. If you use HANDS-FREE ACCESS, you

could burn yourself by touching the exhaust

system.

Always ensure that you only make a kick-

ing movement within the detection range

of the sensors.

NOTE Damage to the vehicle caused by

unintentionally opening the trunk lid

When using an automatic car wash

When using a high pressure cleaner

Deactivate the function of the SmartKey

in these situations.

Make sure that the SmartKey is at a min-

imum distance of 10  (3 m) away from

the vehicle.

When making the kicking movement, make sure

that your footing is rm. You could otherwise lose

your balance, e.g. on ice.

Observe the following notes:

The SmartKey is behind the vehicle.

If the SmartKey is not recognized:

Hold the SmartKey in your hand.

Ensure that the SmartKey function is acti-

vated (/ page 70).

Stand at least 12 in (30 cm) away from the

vehicle while performing the kicking move-

ment.

Do not touch the bumper while making the

kicking movement.

Do not carry out the kicking movement too

slowly.

The kicking movement must be towards the

vehicle and back again.

Detection range of the sensors

If several consecutive kicking movements are not

successful, wait ten seconds.

System limits

The system may be impaired or may not function

in the following cases:

The sensors are dirty, e.g. due to road salt or

snow.

The kicking movement is made using a pros-

thetic leg.

Opening and closing

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

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

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