MERCEDES-BENZ GLS 2023 Manual PDF

Push the lever in direction 1 (activate) or 2
(deactivate).Make sure that the child safety locks are work-
ing properly.Activating and deactivating the child safety lock
for the rear side windowsTo activate/deactivate: press button 2.
The side window in the rear passenger com-
partment can be opened or closed in the fol- lowing cases:
= indicator lamp 1 is lit: via the switch on
the driver\bs door= indicator lamp 1 is oM: via the switch on
the corresponding rear door or driver\bs door
Notes on pets in the vehicle
&WARNING Risk of accident and injury due
to animals les unsecured or unattended in
the vehicle
If you leave animals in the vehicle unattended or unsecured, they could possibly press but-
tons or switches.
An animal may: = Activate vehicle equipment and become
trapped, for example
= Switch systems on or oM and endanger
other road users
Unsecured animals may be thrown around in
the vehicle in the event of an accident or sud-
den steering and braking maneuvers and
injure vehicle occupants in the process.
Occupant safety69

Never leave animals in the vehicle unat-
tended.Always correctly secure animals while
driving, e.g. using a suitable animal car-
rier.70Occupant safety

SmartKey
Overview of key functions
&WARNING Risk of accident and injury due
to children les unattended in the vehicle
If children are les unsupervised 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, 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.*NOTE Damage to the SmartKey caused by
magnetic NeldsKeep the SmartKey away from strong
magnetic Nelds.Vehicle key with panic alarm1To lock2Indicator lamp3Unlocks4Opens/closes the tailgate5Panic alarm\bIf indicator lamp 2 does not light up aser
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 73).
The key locks and unlocks the following compo-
nents:
= 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 key together with electronic devi- ces or metal objects. This can aMect the key\bs
functionality.
Do not keep the key in the temperature-controlled cup holder. Otherwise, the key will not be reliably
detected.
Opening and closing71

Activating/deactivating the acoustic locking veriN-
cation signal
Multimedia system:
4 © 5
Settings 5
Vehicle
Activate or deactivate Acoustic Lock.
Arming/disarming 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 SmartKey belonging to the vehicle must be detected 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.
Deactivate: Press and hold the key button
ß .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.To activate: press any button on the key.\bWhen the vehicle is started with the key in the
stowage compartment of the center console,
the function of the key is automatically activa-
ted (  page 177).72Opening and closing

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 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.+ENVIRONMENTAL NOTE 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 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 (  page 73).Opening and closing73

Press release button 2 down fully and slide
cover 1 in the direction of the arrow.Lis up cover 1 in the direction of the arrow
and remove it.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 closed until it
engages.Problems with the SmartKey, troubleshooting
You can no longer lock or unlock the vehicle
Possible causes: = The SmartKey battery is weak or discharged.
Check the battery using the indicator lamp
(  page 71).Replace the SmartKey battery, if necessary
(  page 73).Use the replacement key.Use the emergency key to lock or unlock
(  page 77).Have the SmartKey checked at a qualiNed spe-
cialist workshop.
There is interference from a powerful radio signal
source
Possible causes if the function of the SmartKey is impaired:
= high voltage power lines
= mobile phones
= electronic devices (notebooks, tablets)
=shielding due to metallic objects or induction
loops for electrical gate systems or automatic
barriersMake sure that there is suPcient distance
between the SmartKey and the potential
source of interference.
You have lost a SmartKey.
Have the SmartKey deactivated at a qualiNed
specialist workshop.If necessary, have the mechanical lock
replaced as well.74Opening and closing

Doors
Unlocking and opening doors from the inside
To unlock and open a front door: pull door
handle 2.
Locking pin 1 pops up when the door is
unlocked.To unlock a rear door: pull the rear door han-
dle.
The locking pin pops up when the rear door is
unlocked.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.\bMercedes-Maybach vehicles: the buttons are
also located on the front passenger and rear
doors.
This does not lock or unlock the fuel Nller Oap.
The vehicle is not unlocked:
= if you have locked the vehicle using the Smart-
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
Opening and closing75

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 345)
= on using a high-pressure cleaner
(  page 347)
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 88).
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 72).Check the battery using the indicator lamp
(  page 71).Replace the SmartKey battery, if necessary
(  page 73).Use the replacement SmartKey.Use the emergency key to lock or unlock
(  page 77).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.76Opening and closing

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.
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
Power closing function
&WARNING Risk of becoming trapped when
the doors close automatically
Body parts or objects can become trapped, causing injuries.
Ensure that no body parts or objects are
in the closing area.Automatic closing of the doors can be
canceled by pulling the outer or inner
door handle.If you push the door into the lock to the Nrst
detent position, the power closing function will
automatically pull the door into the lock.
Locking/unlocking the driver\bs door with the
emergency key
\bIf you wish to lock the vehicle entirely using
the emergency key, 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.Opening and closing77

Remove the emergency key ( page 73).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 counter-
clockwise to position G.To lock: turn the emergency key clockwise to
position G.Carefully press the cover onto the lock cylin-
der until it engages and is seated Nrmly.Running boards
Operation of the running boards
Mercedes-Maybach vehicles: the vehicle is equip-
ped with electrically extendable running boards. If
you have selected the automatic mode in the mul-
timedia system, (  page 79) the running board
will extend automatically on the respective side
when a door is opened. When the running boards are extended, check the excess width of the vehi- cle.
You can extend or retract the running boards manually for cleaning (  page 79).
\bThe running boards will extend and retract
only if the vehicle is stationary.
In the following cases, the running boards will
retract automatically:
= If you select an oM-road drive program
(  page 190).
= If you activate car wash mode (  page 347).
= If the outside mirrors fold in automatically
(  page 165).
78Opening and closing