Get Opening and closing -> SmartKey Guide for Mercedes GLC Class SUV First Generation (2015-2021)

Opening and closing 65

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SmartKey

Overview of SmartKey functions

When leaving the vehicle, always take

the key with you and lock the vehicle.

Keep the vehicle key out of reach of

children.

&

WARNING Risk of accident and injury

due to children left unattended in the

vehicle

NOTE Damage to the key caused by

magnetic fields

*

If children are left unattended in the vehicle,

they could:

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Keep the key away from strong mag‐

netic fields.

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Open doors, thereby endangering other

persons or road users.

1

2

3

4

5

Locks

Battery check lamp

Unlocks

Opens/closes the tailgate

Panic alarm

% The SmartKey may vary from the one shown

in the diagram, depending on the vehicle

equipment.

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Get out and be struck by oncoming traf‐

fic.

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Operate vehicle equipment and become

trapped, for example.

In addition, the children could also set the

vehicle in motion, for example by:

% If battery check lamp 2 does not light up

after pressing the Ü or ß button, the

battery is discharged.

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Releasing the parking brake.

Replacing the SmartKey battery (/ page 67).

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Changing the transmission position.

The SmartKey locks and unlocks the following

components:

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Starting the vehicle.

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Never leave children unattended in the

vehicle.

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The doors

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The fuel filler flap

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The tailgate

To switch between settings: press the

Ü and ß buttons simultaneously for

approximately six seconds until the battery

check lamp flashes twice.

If the vehicle is not opened within approximately

40 seconds after unlocking, it locks again. Anti-

theft protection is armed again.

Do not keep the SmartKey together with elec‐

tronic devices or metal objects. This can affect

the SmartKey's functionality.

Options if the unlocking function for the driver's

door and fuel filler flap has been selected:

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To unlock the vehicle centrally: press the

Ü button twice.

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Vehicles with KEYLESS-GO: if you touch

Activating/deactivating the acoustic locking

verification signal

the inner surface of the door handle on the

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

filler flap are unlocked.

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To activate: press button 1 for approx‐

imately one second.

A visual and audible alarm is triggered.

To deactivate: briefly press button 1 again.

Multimedia system:

4

5

©

Settings

Vehicle

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Deactivating the SmartKey functions

Activate or deactivate Acoustic Lock.

or

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If you do not use the vehicle or a SmartKey for

an extended period of time, you can reduce the

energy consumption of the respective SmartKey.

To do so, deactivate the SmartKey functions.

Press the start/stop button on the cockpit

(the SmartKey is inside the vehicle).

Activating/deactivating the panic alarm

Requirements:

Changing the unlocking settings

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The ignition is switched off.

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To deactivate: press the ß button on the

Possible unlocking functions of the SmartKey:

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SmartKey twice in quick succession.

The battery check lamp of the SmartKey

flashes twice briefly and lights up once.

% The panic alarm function is only available in

Central unlocking

Unlocking the driver's door and fuel filler flap

certain countries.

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Opening and closing 67

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To activate: press any button on the Smart‐

Press release knob 1 again and fully

remove emergency key 2.

To insert: press release knob 1.

Insert emergency key 2 to the intermediate

position or fully until it engages.

ENVIRONMENTAL NOTE Environmental

damage caused by improper disposal of

batteries

+

Key.

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% When the vehicle is started with the Smart‐

Key in the marked space of the center con‐

sole, the SmartKey functions are automati‐

cally activated (/ page 153).

% You can use the intermediate position of

emergency key 2 to attach the SmartKey to

a key ring.

Batteries contain pollutants. It is

illegal to dispose of them with the household

rubbish.

Removing/inserting the emergency key

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Replacing the SmartKey battery

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DANGER Serious damage to health

Dispose of batteries in an

environmentally responsible manner.

Take discharged batteries to a qualified

specialist workshop or to a collection

point for used batteries.

caused by swallowing batteries

Batteries contain toxic and corrosive sub‐

stances. Swallowing batteries may cause

serious damage to health.

There is a risk of fatal injury.

Requirements:

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Keep batteries out of the reach of chil‐

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To remove: press release knob 1.

Emergency key 2 is pushed out slightly.

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You require a CR 2032 3 V cell battery.

dren.

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Mercedes-Benz recommends that you have the

battery replaced at a qualified specialist work‐

shop.

If batteries are swallowed, seek medical

attention immediately.

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Pull out emergency key 2 until it engages in

the intermediate position.

68 Opening and closing

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Remove the emergency key (/ page 67).

Re-attach cover 1 and push it until it

engages.

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Press release button 2 down fully and slide

cover 1 in the direction of the arrow.

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Fold out cover 1 in the direction of the

arrow and remove.

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Remove battery compartment 3 and take

out the discharged battery.

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Insert the new battery into battery compart‐

ment 3. Observe the positive pole marking

in the battery compartment and on the bat‐

tery when doing this.

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Push in battery compartment 3.

Opening and closing 69

Problems with the SmartKey

Problem

Possible causes/consequences and M Solutions

Possible causes:

You can no longer lock or unlock the

vehicle.

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The SmartKey battery is discharged or nearly discharged.

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There is interference from a powerful radio signal source.

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The SmartKey is faulty.

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Check the battery using the battery check lamp and replace if necessary (/ page 67).

Use the emergency key to lock or unlock (/ page 67).

Have the SmartKey checked at a qualified specialist workshop.

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Have the SmartKey deactivated at a qualified specialist workshop.

If necessary, have the mechanical lock changed as well.

You have lost a SmartKey.

Opening and closing -> SmartKey for Your Mercedes GLC Class SUV First Generation (2015-2021)

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