Get Opening and closing -> Doors Guide for Mercedes GLA SUV Second Generation (2020-2026)

Problems with the key, troubleshooting

You can no longer lock or unlock the vehicle

Possible causes:

The key battery is weak or discharged.

Check the battery using the indicator lamp

(/ page 139).

Replace the key battery, if necessary

(/ page 142).

Use the replacement key.

Use the emergency key to lock or unlock

(/ page 147).

Have key checked at a qualied specialist

workshop.

There is interference from a powerful radio signal

source

Possible causes if the function of the key 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 key and the potential source of

interference.

You have lost a key

Have the key deactivated at a qualied spe-

cialist workshop.

If necessary, have the mechanical lock

replaced as well.

Doors

Notes on the additional door lock

The additional door lock is only available for vehi-

cles for the United Kingdom.

WARNING Risk of injury to persons inside

the vehicle when the additional door lock

is activated

If the additional door lock is activated, the

doors can no longer be opened from the

inside.

Never leave persons, in particular chil-

dren, unattended in the vehicle.

If there are persons in the vehicle, do not

activate the additional door lock.

The additional door lock is automatically activated

in the following situations:

The vehicle is locked using the key.

The vehicle is locked using KEYLESS-GO.

If the vehicle has been locked via Mercedes me

connect, the additional door lock is not activated

(/ page 539).

If the additional door lock is activated, the doors

cannot be opened from the inside.

Aer locking you can issue a signal with the

horn.

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143

F247 0074 02

You can prevent the additional door lock from

being activated by deactivating interior protection

before locking the vehicle (/ page 163).

Unlocking/opening the doors from the inside

United Kingdom only: observe the notes on

the additional door lock (/ page 143).

Pull the door 1 handle.

Centrally locking and unlocking the vehicle from

the inside

To unlock: press 1 button.

To lock: press button 2.

The red indicator lamp on button

2 lights up

once the vehicle is locked.

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

Plug-in hybrid: the socket ap is also locked and

unlocked. The socket ap can be opened even if a

key is detected in the car.

The vehicle is not unlocked:

if you have locked the vehicle using the key

if you have locked the vehicle using KEYLESS-

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 1 m.

The driver's door and the door on which the

door handle is used are closed.

NOTE Vehicle damage due to uninten-

tional opening of the tailgate

when using an automatic car wash

when using a high pressure cleaner

144

Opening and closing

F247 0074 02

Deactivate the function of the key in

these situations.

Make sure that the key is at a minimum

distance of 3 m away from the vehicle.

Observe the notes:

on washing the vehicle in a car wash

(/ page 29)

on using a high pressure cleaner

(/ page 587)

To unlock the vehicle: touch the inner surface

of the door handle.

To lock the vehicle: touch sensor surface 1

or 2.

Convenience closing: touch recessed sensor

surface 2 until the closing process has been

completed.

Further information on convenience closing

(/ page 156).

If you open the tailgate from outside, it is auto-

matically unlocked.

Problems with KEYLESS-GO, troubleshooting

You can no longer lock or unlock the vehicle using

KEYLESS-GO

Possible causes:

The function of the key has been deactivated.

The key battery is weak or discharged.

Activate the function of the key (/ page 58).

Check the battery using the indicator lamp

(/ page 139).

Replace the key battery, if necessary

(/ page 142).

Use the replacement key.

Use the emergency key to lock or unlock

(/ page 147).

Have the vehicle and key checked at a quali-

ed specialist workshop.

Opening and closing

145

F247 0074 02

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

barriers

Make sure that there is sucient distance

between the key and the potential source of

interference.

Activating/deactivating the automatic locking fea-

ture

The vehicle is locked automatically when the vehi-

cle is switched on and the wheels are turning

faster than walking pace.

To activate: press and hold button 2 for

approximately ve seconds until an acoustic

signal sounds.

To deactivate: press and hold button 1 for

approximately ve seconds until an acoustic

signal sounds.

The red indicator lamp on button

2 lights up

once the vehicle is locked.

In the following situations, there is a danger of

being locked out when the function is activated:

while the vehicle is being tow-started or

pushed

if the vehicle is being tested on a roller dyna-

mometer

Activating or deactivating the automatic locking

function

Multimedia system:

Settings

Vehicle

Open/close

The vehicle is locked automatically when the

vehicle is switched on and the wheels are

turning faster than walking pace.

Activate or deactivate Automatic locking.

In the following situations, there is a risk 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.

146

Opening and closing

F247 0074 02

Locking/unlocking the vehicle with the emer-

gency key

Locking/unlocking the driver's door with the

emergency key

If you wish to lock the vehicle entirely using

the emergency key, rst press the button for

locking from the inside while the driver's door

is open. Then proceed to lock the driver's

door using the emergency key.

If you unlock and open the driver's door with

the emergency key, this triggers the burglar

alarm system.

Remove the emergency key (/ page 141).

Insert the emergency key as far as it will go

into opening 1 in the cover.

Pull and hold the door handle.

Pull the cover on the emergency key as

straight as possible away from the vehicle until

it releases.

Release the door handle.

To unlock: turn the emergency key anti-clock-

wise to position 1.

To lock: turn the emergency key clockwise to

position 1.

Carefully press the cover onto the lock cylin-

der until it engages and is seated rmly.

Opening and closing

147

F247 0074 02

Opening and closing -> Doors for Your Mercedes GLA SUV Second Generation (2020-2026)

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