Get Opening and closing -> SmartKey Guide for Mercedes CLA 4 Door Second Generation (2019-2024)

SmarSmartKeytKey

OvOverervieview of kew of key functionsy functions

WARNINGARNING Risk of accident and injury due

to children le unattended in the vehicle

If children are le unsupervised in the vehicle,

they could, in particular:

open doors, thereby endangering other

persons or road users.

get out and be struck by oncoming trac.

operate vehicle equipment and become

trapped, for example.

In addition, the children could also set the

vehicle in motion, for example by:

releasing the parking brake.

changing the transmission position.

starting the vehicle.

Never leave children unattended in the

vehicle.

When leaving the vehicle, always take the

SmartKey with you and lock the vehicle.

Keep the vehicle SmartKey out of reach

of children.

NOOTETE Damage to the SmartKey caused by

magnetic elds

Keep the SmartKey away from strong

magnetic elds.

Vehicle SmartKey with panic alarm

Locks

Indicator lamp

Unlocks

Opens the trunk lid

Panic alarm

If indicator lamp 2 does not light up aer

pressing the Ü or ß button, the battery

is weak or possibly discharged. Replace the

battery as soon as possible.

Replace the key battery (/ page 68).

The key locks and unlocks the following compo-

nents:

Doors

Fuel ller ap

Trunk lid

If the vehicle is not opened within approximately

40 seconds aer unlocking, it locks again. Anti-

the protection is activated again.

Do not keep the key together with electronic devi-

ces or metal objects. This can aect the key's

functionality.

6666

Opening and closing

AActivctivating/deactivating/deactivating tating the acoushe acoustic loctic lockingking vvereri-i-

cationcation signalsignal

Multimedia system:

Settings

Vehicle

Activate or deactivate Acoustic Lock.

ArArming/disarming/disarming tming the panic alarmhe panic alarm

RReqequiruirements:ements:

The vehicle is switched o.

TTo activo activatate:e: press button 1 for approximately

one second.

A visual and audible alarm is triggered.

TTo deactivo deactivatate:e: briey press button 1 again.

Press the start/stop button.

A SmartKey belonging to the vehicle must be

detected in the vehicle.

Changing tChanging the unloche unlocking seking settingsttings

Possible unlocking functions of the SmartKey:

Central unlocking

Unlocking the driver's door and fuel ller ap

TTo switco switch beh betwtween seeen settings:ttings: press the Ü

and ß buttons simultaneously for approx-

imately six seconds until the indicator lamp

ashes twice.

Options if the unlocking function for the driver's

door and fuel ller ap has been selected:

To unloco unlock tk the vhe vehicle centrehicle centrallyally:: press the

Ü button twice.

Vehicles witehicles with KEYLESS-GO:h KEYLESS-GO: if you touch the

inner surface of the door handle on the driv-

er's door, only the driver's door and the fuel

ller ap are unlocked.

DeactivDeactivating tating the function of the function of the Smarhe SmartKeytKey

VVehicles witehicles with KEYLESS-GO:h KEYLESS-GO: if you deactivate the

function of the SmartKey, the KEYLESS-GO func-

tions are also deactivated. Access or drive author-

ization by KEYLESS-GO is then no longer possible

with that particular SmartKey. Activate the func-

tion of the SmartKey so that all its functions will

again be available.

You can also deactivate the function of the Smart-

Key to reduce the energy consumption of the

SmartKey if you do not use the vehicle or a Smart-

Key for an extended period of time.

TTo deactivo deactivatate:e: press the ß button on the

SmartKey twice in quick succession.

The SmartKey indicator lamp ashes twice

briey and lights up once.

TTo activo activatate:e: press any button on the SmartKey.

When the vehicle is started with the SmartKey

in the marked space of the center console,

the function of the SmartKey is automatically

activated (/ page 131).

Opening and closing

RRemoemoving/inserving/inserting tting the emerghe emergency keyency key

RRemoemoving tving the emerghe emergency keyency key

Press release button 1.

Emergency key

2 is pushed out slightly.

Pull out emergency key 2 until it engages in

the intermediate position.

Press release button 1 again and fully

remove emergency key

Inser

Inserting tting the emerghe emergency keyency key

Press release button 1.

Insert emergency key 2 to the intermediate

position or fully until it engages.

You can use the intermediate position of

emergency key 2 to attach the SmartKey to

a key ring.

RReplacing teplacing the Smarhe SmartKetKey batty batteryery

DANANGERGER Risk of fatal injuries due to swal-

lowing batteries

Batteries contain toxic and corrosive substan-

ces. Swallowing batteries may cause severe

internal burns to occur within two hours.

There is a risk of fatal injury.

Keep batteries out of the reach of chil-

dren.

If the cap and/or the battery compart-

ment does not close securely, do not use

the SmartKey any longer and keep out of

the reach of children.

If batteries are swallowed, seek medical

attention immediately.

ENVIR

ENVIRONMENTONMENTAL NOAL NOTETE Environmental

damage due to improper disposal of bat-

teries

Batteries contain pollutants. It is

illegal to dispose of them with the household

rubbish.

Dispose of batteries in an

environmentally responsible manner.

Take discharged batteries to a qualied

specialist workshop or to a collection

point for used batteries.

RReqequiruirements:ements:

You require a CR 2032 3 V cell battery.

Mercedes-Benz recommends that you have the

battery replaced at a qualied specialist work-

shop.

Remove the emergency key (/ page 68).

6868

Opening and closing

Press release knob 2 down fully and slide

cover

1 in the direction of the arrow.

Fold out cover 1 in the direction of the arrow

and remove.

Remove battery compartment 3 and take

out the discharged battery.

Insert the new battery into battery compart-

ment 3. Observe the positive pole marking in

the battery compartment and on the battery

when doing this.

Push in battery compartment 3.

Re-attach cover 1 and push it until it

engages.

PrProblems witoblems with th the Smarhe SmartKeytKey, tr, troubleshoooubleshootingting

YYou can no longou can no longer locer lock or unlock or unlock tk the vhe vehicleehicle

Possible causes:

The SmartKey battery is weak or discharged.

Check the battery using the indicator lamp

(/ page 66).

Replace the SmartKey battery, if necessary

(/ page 68).

Use the replacement SmartKey.

Use the emergency key to lock or unlock

(/ page 72).

Have the SmartKey checked at a qualied spe-

cialist workshop.

Ther

There is inte is interferfererence frence from a powom a powererful rful radio signaladio signal

soursourcece

Possible causes if the function of the SmartKey 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

barriers

Make sure that there is sucient distance

between the SmartKey and the potential

source of interference.

You havou have lose lost a Smart a SmartKeytKey

Have the SmartKey deactivated at a qualied

specialist workshop.

If necessary, have the mechanical lock

replaced as well.

Opening and closing

DoorsDoors

UUnlocnlocking/opening tking/opening the doorhe doors frs from tom the insidehe inside

TTo unloco unlock and open a frk and open a front dooront door:: pull door

handle

TTo unloco unlock a rk a rear doorear door:: pull the rear door han-

dle.

TTo open a ro open a rear doorear door:: pull the rear door handle

again.

CentrCentrallally locy locking and unlocking and unlocking tking the vhe vehicle frehicle fromom

tthe insidehe inside

TTo unloco unlock:k: press button 1.

TTo loco lock:k: press button 2.

The red indicator lamp on button

2 lights up

once the vehicle is locked.

The buttons are also on the front passenger

door.

This does not lock or unlock the fuel ller ap.

The vehicle is not unlocked:

If you have locked the vehicle using the Smart-

Key

If you have locked the vehicle using KEYLESS-

LocLocking/unlocking/unlocking tking the vhe vehicle witehicle with KEYLESS-GOh KEYLESS-GO

RReqequiruirements:ements:

The SmartKey is outside the vehicle.

The distance between the SmartKey and the

vehicle does not exceed 3  (1 m).

The driver's door and the door on which the

door handle is used are closed.

NOTETE 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.

7070

Opening and closing

Opening and closing -> SmartKey for Your Mercedes CLA 4 Door Second Generation (2019-2024)

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