MERCEDES-BENZ GLB 2023 Manual PDF

=indicator lamp 1 is oM: via the switch on
the corresponding rear door or driver\bs doorSafely transporting children in the vehicle69

SmartKey
Overview of SmartKey functions
&WARNING Risk of accident and injury due
to children les unattended in the vehicle
If you leave children unattended in the vehicle,
they could, in particular:
= open doors, thereby endangering other
persons or road users.
= get out and be struck by oncoming traPc.
= operate vehicle equipment and become
trapped, for example.
In addition, the children could also set the
vehicle in motion by, for example:
= releasing the parking brake.
= changing the gearbox position.
= starting the vehicle.
Never leave children unattended in the
vehicle.When leaving the vehicle, always take the key with you and lock the vehicle.Keep the key out of reach of children.*NOTE Damage to the SmartKey caused by
magnetic NeldsKeep the SmartKey away from strong
magnetic Nelds.Vehicle key with panic alarm1Locks2Indicator lamp3Unlocks4Opens/closes the tailgate5Panic alarm\bIf indicator lamp 2 does not light up when
the Ü or ß button is pressed, the bat-
tery is weak or possibly discharged. Replace
the battery as soon as possible.
Replace the SmartKey battery (  page 72).
The SmartKey locks and unlocks the following components:
= Doors
= Fuel Nller Oap
= Tailgate
If the vehicle is not opened within approximately 40 seconds aser unlocking, it locks again. Anti-
thes protection is armed again.
Do not keep the SmartKey together with elec- tronic devices or metal objects. This can aMect
the SmartKey\bs functionality.
70Opening and closing

Activating/deactivating the acoustic locking veriN-
cation signal
Multimedia system:
4 © 5
Settings 5
Vehicle
Activate or deactivate Acoustic Lock.
Activating/deactivating the panic alarm
Requirements
= The vehicle is switched oM.
To activate: press button 1 for approximately
one second.
A visual and audible alarm is triggered.To deactivate: brieOy press button 1 again.
or
Press the start/stop button.
A key belonging to the vehicle must be detec-
ted in the vehicle.
Changing the unlocking settings
Possible unlocking functions of the SmartKey:
= Central unlocking
= Unlocking the driver\bs door and fuel Nller Oap
To switch between settings: press the Ü
and ß buttons simultaneously for approx-
imately six seconds until the indicator lamp
Oashes twice.
Options when the unlocking function for the driv-
er\bs door and fuel Nller Oap has been selected:
= To unlock the vehicle centrally: press the
Ü button twice.
= Vehicles with KEYLESS-GO: if you touch the
inner surface of the door handle on the driv- er\bs door, only the driver\bs door and the fuel
Nller Oap will be unlocked.
Deactivating the function of the key
Vehicles with KEYLESS-GO: if you deactivate the
function of the key, the KEYLESS-GO functions are
also deactivated. Access or drive authorization by
KEYLESS-GO is then no longer possible with that particular key. Activate the function of the key so that all its functions will again be available.
You can also deactivate the function of the key to reduce the energy consumption of the key if youdo not use the vehicle or a key for an extended
period of time.
Press and hold the ß button on the key.With the key button ß pressed, immedi-
ately press key button Ü twice in quick
succession.
The indicator light of the key lights up once
brieOy and once for a long time.\bYou have the following options to reactivate
the key:
= Press any button on the key.
= Start the vehicle with the key in the center
console stowage space (  page 148).Opening and closing71

Removing/inserting the emergency key
Removing the emergency key
Press release button 1.
Emergency key 2 will be 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 2.
Inserting the emergency key
Press release button 1.Insert emergency key 2 to the intermediate
position or fully until it engages.\bYou can use the intermediate position of
emergency key 2 to attach the SmartKey to
a key ring.
Replacing the SmartKey battery
&DANGER Risk of fatal injury due to swal-
lowing batteries
Batteries contain toxic and corrosive substan-
ces. If batteries are swallowed or otherwise
enter the body, severe internal burns can
occur within two hours.
There is a risk of fatal injury!
Keep the batteries out of the reach of
children.If the lid and/or the battery compart-
ment do not close securely, stop using
the key and keep it away from children.If batteries are swallowed or otherwise
enter the body, seek immediate medical
attention.+ENVIRONMENTAL NOTE Environmental
damage due to improper disposal of bat-
teries
Batteries contain pollutants. It is illegal
to dispose of them with the household rub-
bish.

Dispose of batteries in an
environmentally responsible manner.
Take discharged batteries to a qualiNed
specialist workshop or to a collection
point for used batteries.
Requirements
= You require a CR 2032 3 V cell battery.
Mercedes-Benz recommends that you have the battery replaced at a qualiNed specialist work-
shop.
Remove the emergency key element
(  page 72).72Opening 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.Problems with the key, troubleshooting
You can no longer lock or unlock the vehicle
Possible causes are:
= The key battery is weak or discharged.
Check the battery using the indicator lamp
(  page 70).Replace the key battery, if necessary
(  page 72).Use the replacement key.Use the mechanical key to lock or unlock
(  page 76).Have key checked at a qualiNed 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
barriersMake sure that there is suPcient distance
between the key and the potential source of
interference.
You have lost a key
Have the key deactivated at a qualiNed spe-
cialist workshop.If necessary, have the mechanical lock
replaced as well.Opening and closing73

Doors
Unlocking/opening the doors from the inside
To unlock and open a front door: pull door
handle 1.To unlock a rear door: pull the rear door han-
dle.To open a rear door: pull the rear door handle
again.Centrally locking and unlocking the vehicle from the insideTo unlock: press button 1.To lock: press button 2.
The red indicator lamp on button 2 will light
up once the vehicle is locked.\bThe buttons are also on the front passenger door.This does not lock or unlock the fuel Nller Oap.
The vehicle will not be unlocked: = if you have locked the vehicle using the key
= if you have locked the vehicle using KEYLESS-
GO
Locking/unlocking the vehicle with KEYLESS-GO
Requirements
= The SmartKey is outside the vehicle.
= The distance between the SmartKey and the
vehicle does not exceed 3 s (1 m).
= The driver\bs door and the door on which the
door handle is operated 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
Deactivate the function of the SmartKey
in these situations.
or
74Opening and closing

Make sure that the SmartKey is at a min-
imum distance of 10 s (3 m) away from
the vehicle.
Observe the notes:
= on washing the vehicle in a car wash
(  page 290)
= on using a high-pressure cleaner
(  page 292)
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.\bFurther information on convenience closing (  page 85).
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 SmartKey has been deacti-
vated.
= The SmartKey battery is weak or discharged.
Activate the function of the SmartKey
(  page 71).Check the battery using the indicator lamp
(  page 70).Replace the SmartKey battery, if necessary
(  page 72).Use the replacement SmartKey.Use the emergency key to lock or unlock
(  page 76).Have the vehicle and SmartKey checked at a
qualiNed specialist workshop.
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 suPcient distance
between the SmartKey and the potential
source of interference.Opening and closing75

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 Nve seconds until an acoustic
signal sounds.To deactivate: press and hold button 1 for
approximately Nve 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
Locking/unlocking the vehicle with the emer-
gency key element
Locking/unlocking the driver\bs door with the
emergency key element
\bIf you wish to lock the vehicle entirely using
the emergency key element, Nrst press the
button for locking from the inside while the
driver\bs door is open. Then proceed to lock the driver\bs door using the emergency key ele-
ment.\bIf you unlock and open the driver\bs door with the emergency key element, this will trigger
the anti-thes alarm system.Remove the emergency key element
(  page 72).Insert the emergency key element as far as it
will go into opening 1 in the cover.Pull and hold the door handle.76Opening and closing

Pull the cover on the emergency key elementas straight as possible away from the vehicle until it releases.Release the door handle.To unlock: turn the emergency key element
counter-clockwise to position G.To lock: turn the emergency key element
clockwise to position G.Carefully press the cover onto the lock cylin-
der until it engages and is seated Nrmly.
Locking the front passenger door and rear doors
Insert a suitable object, e.g. the emergency
key element, into opening 1 on the door
lock.To lock the les-hand side of the vehicle: turn
the emergency key element counter-clockwise
as far as it will go.To lock the right-hand side of the vehicle: turn
the emergency key element clockwise as far as it will go.
If the locked door is then closed, it can no longer be opened from the outside.
Cargo compartment
Opening the tailgate
&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 tail-
gate is open when the engine is running, espe-
cially if the vehicle is in motion.
Always switch oM the engine before
opening the tailgate.Never drive with the tailgate open.Opening and closing77

*NOTE Damage to the tailgate caused by
obstacles above the vehicle
The tailgate swings rearwards and upwards
when it is opened.
Make sure that there is suPcient space
behind and above the tailgate.Pull the tailgate handle.Vehicles with HANDS-FREE ACCESS: Make a
kicking movement with your foot below the
bumper (  page 81).Vehicles with an EASY-PACK tailgatePull remote operating switch 1 until the tail-
gate opens.
or
Press and hold the