2013 MERCEDES-BENZ GLK-CLASS SUV lock

and the fuel filler flap are unlocked when the
vehicle is unlocked. This is useful if you
frequently travel on your own.
X
To change the setting: press and hold
down the 0036 and 0037 buttons
simultaneously for approximately six
seconds until the battery check lamp
(Y page 77) flashes twice.
i If the setting of the locking system is
changed within the signal range of the
vehicle, pressing the
0037
or
0036
button:
R locks or
R unlocks the vehicle
The SmartKey now functions as follows:
X To unlock the driver's door: press the
0036 button once.
X To unlock centrally: press the 0036
button twice.
X To lock centrally: press the 0037 button.
The KEYLESS-GO function is changed as
follows:
X To unlock the driver's door: touch the
inner surface of the door handle on the
driver's door.
X To unlock centrally: touch the inner
surface of the door handle on the front-
passenger door or the rear door.
X To lock centrally: touch the outer sensor
surface on one of the door handles
(Y page 75).
X To restore the factory settings: press
and hold down the 0036

and 0037 buttons
simultaneously for approximately six
seconds until the battery check lamp
flashes twice. Mechanical key
General notes If the vehicle can no longer be locked or
unlocked with the SmartKey
or

the KEYLESS-
GO key, use the mechanical key. If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered (
Y page 71).
X To end the

alarm: insert the SmartKey into
the ignition lock.
i With KEYLESS-GO: remove the Start/
Stop button from the ignition lock
beforehand.
If

you unlock the vehicle
using the mechanical
key, the fuel filler flap will not be unlocked
automatically.
Removing the mechanical key X
Push release catch 0043 in the direction of
the arrow and at the same time remove
mechanical key 0044 from the SmartKey. SmartKey battery
Important safety notes Mercedes-Benz recommends that you have
the batteries replaced at
a

qualified specialist
workshop. G
WARNING
Batteries contain toxic and corrosive
substances. If batteries
are swallowed,

it can
result in severe health problems. There is a
risk of fatal injury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention
immediately. 76
SmartKey
Opening and closing

Checking the battery
X
Press the 0037 or 0036 button.
The battery is working properly if battery
check lamp 0043 lights up briefly.
If battery check lamp 0043 does not light up
briefly during the test, the battery is
discharged.
i If the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the 0037 or 0036
button:
R locks or
R unlocks the vehicle
X Change the battery ( Y page 77).
i You can get a battery at a qualified
specialist workshop.
Replacing the battery You require a CR 2025 3 V cell battery.
X
Take the mechanical key out of the
SmartKey (Y page 76). X
Press mechanical key 0044 into the SmartKey
opening in the direction of the arrow until
battery compartment cover 0043 opens. Do
not hold battery compartment cover 0043
closed while doing so.
X Remove battery compartment cover 0043

. X
Repeatedly tap the SmartKey against your
palm until battery 0087 falls out.
X Insert the new battery with the positive
terminal facing upwards. Use a lint-free
cloth to do so.
X Make sure that the surface of the battery is
free from lint, grease and

all other forms of
contamination.
X Insert the front tabs of battery
compartment cover 0043 into the housing
first and then press to close it.
X Insert mechanical key 0044 into the
SmartKey.
X Check the function of all SmartKey buttons
on the vehicle. SmartKey
77
Opening and closing Z

Problems with the SmartKey
Problem Possible causes/consequences and
0050 SolutionsYou cannot lock or
unlock the vehicle
using the SmartKey. The SmartKey battery is discharged or nearly discharged.
X
Try again to lock/unlock the vehicle using the remote control
function of the SmartKey. Point the tip of the SmartKey at the
driver's door handle from close range and press the 0036 or
0037 button.
If this does not work:
X Check the SmartKey battery (Y page 77) and replace it if
necessary ( Y page 77).
X Lock ( Y page 81) or unlock ( Y page 81) the vehicle using
the mechanical key. The SmartKey is faulty.
X
Lock ( Y page 81) or unlock ( Y page 81) the vehicle using
the mechanical key.
X Have the SmartKey checked at a qualified specialist workshop. You can no longer lock
or unlock the vehicle
using KEYLESS-GO. KEYLESS-GO is in standby mode because the vehicle has not been
unlocked for a long time.
X
Pull the door handle and then turn the SmartKey to position 2
in the ignition lock. There is interference from a powerful source of radio waves.
X
Lock/unlock the vehicle using the remote control function of
the SmartKey. Point the tip
of the SmartKey at the driver's door
handle from close range and press the 0036 or 0037 button.There is a malfunction with KEYLESS-GO.
X
Lock/unlock the vehicle using the remote control function of
the SmartKey. Point the tip

of the SmartKey at the driver's door
handle from close range and press the 0036 or 0037 button.
X Have KEYLESS-GO checked at a qualified specialist workshop.
If this does not work:
X Check the SmartKey battery (Y page 77) and replace it if
necessary ( Y page 77).
X Lock ( Y page 81) or unlock ( Y page 81) the vehicle using
the mechanical key. You have lost a
SmartKey. X
Have the SmartKey deactivated at a qualified specialist
workshop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well.78
SmartKey
Opening and closing

Problem Possible causes/consequences and
0050 SolutionsYou have lost the
mechanical key. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. The engine cannot be
started using the
SmartKey. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 314).
or
X Jump-start the vehicle (Y page 318).
or
X Consult a qualified specialist workshop. The engine cannot be
started
using KEYLESS-
GO. The SmartKey is in
the vehicle. A door is open. Therefore, the SmartKey cannot be detected as
easily.
X
Close the door and try to start the vehicle again. There is interference from a powerful source of radio waves.
X
Start your vehicle with the SmartKey in the ignition lock. Doors
Important safety notes
G
WARNING
If children are left unsupervised in the vehicle,
they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shifting the automatic transmission out of
park position P
R Start the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock
the vehicle. Never leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
G
WARNING
If persons, particularly children are subjected
to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle. Unlocking and opening doors from
the inside
You can open a door from inside the vehicle
even if it has been

locked. You can only open
the rear doors from inside the vehicle if they
are not secured by the child-proof locks
(Y page 63).
Only open the door when the traffic situation
permits. Doors
79
Opening and closing Z

If the vehicle has been locked with the
SmartKey or with KEYLESS-GO, opening a
door from the inside
will
trigger the anti-theft
alarm system. Switch off the alarm
(Y page 71). X
To unlock a front door: pull door
handle 0044.
Locking knob 0043 pops up.
The door is unlocked and can be opened.
X To open a front door: pull door
handle 0044.
X To unlock a rear door: pull up locking
knob 0043.
The door is unlocked and can be opened.
X To open a rear door: pull door handle 0044.Centrally locking and unlocking the
vehicle from the inside
You can centrally lock or unlock the vehicle
from the inside.
You cannot unlock the vehicle centrally from
the inside if the vehicle

has been locked with
the SmartKey or KEYLESS-GO. X
To unlock: press button 0043.
X To lock: press button 0044.
If the front-passenger door is closed, the
vehicle locks.
Meanwhile, the fuel filler flap will not be
locked or unlocked.
Only open the door
when

the traffic situation
permits.
If the vehicle was previously locked with the
SmartKey or with KEYLESS-GO, opening the
vehicle from the inside will activate the anti-
theft alarm system. Switch off the alarm
(Y page 71).
If the vehicle has been locked using the
locking button for the central locking, or has
been locked automatically, and a door is
opened from the inside:
R the vehicle will be fully unlocked if it had
previously been fully unlocked
R only the door which has been opened form
the inside is unlocked if only the driver's
door had been previously unlocked
If the vehicle has been locked centrally with
the SmartKey or with KEYLESS-GO, it is not
unlocked when the release button for the
central locking is used. Automatic locking feature
The vehicle is locked automatically when the
ignition is switched on and the vehicle's
wheels are turning at a speed in excess of
9 mph (15 km/h). 80
Doors
Opening and closing

You could therefore be locked out if:
R
the vehicle is being pushed.
R the vehicle is being towed.
R the vehicle is on a roller dynamometer. X
To deactivate: press and hold button 0043
for about five seconds until
a tone sounds.
X To activate: press and hold button 0044 for
about five seconds until a tone sounds.
i If you press one of the two buttons and
do not hear a
tone,

the relevant setting has
already been selected.
You can also switch the automatic locking
function on and off using the on-board
computer (Y page 228). Unlocking the driver's door
(mechanical key)
If the vehicle can no

longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered ( Y page 71).
X Take the mechanical key out of the
SmartKey (Y page 76).
X Insert the mechanical key into the lock of
the driver's door as far as it will go. X
Turn the mechanical key counter-clockwise
to position 0047.
The door is unlocked.
X Turn the mechanical key back and remove
it.
X Insert the mechanical key into the
SmartKey. Locking the vehicle (mechanical key)
If the vehicle can no

longer be locked with the
SmartKey, use the mechanical key.
X Open the driver's door.
X Close the front-passenger door, the rear
doors and the tailgate.
X Press the locking button (Y page 80).
X Check whether the locking knobs on the
front-passenger door and the rear doors
are still visible. Press down the locking
knobs manually, if necessary ( Y page 79).
X Close the driver's door.
X Take the mechanical key out of the
SmartKey (Y page 76).
X Insert the mechanical key into the lock of
the driver's door as far as it will go. Doors
81
Opening and closing Z

X
Turn the mechanical key clockwise as far
as it will go to position 0047.
X Turn the mechanical key back and remove
it.
X Make sure that the doors and the tailgate
are locked.
X Insert the mechanical key into the
SmartKey.
i If you lock the vehicle
as described above,
the fuel filler flap is not locked. The anti-
theft alarm system is not armed. Cargo compartment
Important safety notes
G
WARNING
If persons, particularly children are subjected
to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle. G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide.

If the tailgate
is open when the engine is running,
particularly if the vehicle is moving, exhaust
fumes could enter the passenger
compartment. There is a risk of poisoning.
Turn off the engine before opening the
tailgate. Never drive with the tailgate open.
! The tailgate swings upwards and to the
rear when opened. Therefore, make sure that there is sufficient clearance above and
behind the tailgate.
i Tailgate opening dimensions
(Y page 373).
You should preferably place luggage

or loads
in the cargo compartment. Observe the
loading guidelines ( Y page 270).
Do not leave the SmartKey in the cargo
compartment. You could otherwise lock
yourself out.
Vehicles without the EASY-PACK
tailgate: the tailgate can be:
R opened and closed manually from outside
R unlocked from inside with the mechanical
key
For vehicles with the EASY-PACK tailgate
you can:
R open and close the tailgate manually from
outside
R open and close the tailgate automatically
from outside
R open and close the tailgate automatically
from inside
R limit the opening angle of the tailgate
R unlock the tailgate from inside with the
mechanical key Opening/closing from outside
Opening X
Press the 0036 button on the SmartKey.82
Cargo compartment
Opening and closing

X
Pull handle 0043.
X Raise the tailgate.
Vehicles with the EASY-PACK tailgate: if
you pull handle 0043 and
keep it in this position,
you can open the tailgate manually. If you
release the handle, the tailgate opens
automatically.
Closing X
Pull the tailgate down using recess 0043.
X Push the tailgate closed from outside the
vehicle.
X If necessary, lock the vehicle with
the 0037 button on the SmartKey
(Y page 74) or with KEYLESS-GO
(Y page 75).
i If a KEYLESS-GO key is detected in the
cargo compartment, the tailgate will not
lock. Opening/closing automatically from
outside
Important safety notes G
WARNING
Parts of the body could become trapped
during automatic closing of the tailgate.
Moreover, people, e.g. children, may be
standing in the closing area or may enter the
closing area during the closing

process. There
is a risk of injury.
Make sure that nobody is in the vicinity of the
closing area during the closing process. Use one of the following options to stop the
closing process:
R
press the 0054 button on the SmartKey.
R press the remote operating switch on the
driver's door.
R press the closing or locking button on the
tailgate.
R pull the handle on the tailgate. G
WARNING
Combustion engines emit poisonous exhaust
gases such as
carbon monoxide.

If the tailgate
is open when the engine is running,
particularly if the vehicle is moving, exhaust
fumes could enter the passenger
compartment. There is a risk of poisoning.
Turn off the engine before opening the
tailgate. Never drive with the tailgate open.
! The tailgate swings upwards and to the
rear when opened. Therefore, make sure
that there is sufficient clearance above and
behind the tailgate.
i Tailgate opening dimensions
(Y page 373).
Opening You can open the tailgate automatically with
the SmartKey or the handle in the tailgate.
Open or close the tailgate fully using the
automatic door function if you have stopped
the tailgate in an intermediate position.
X
Press and hold the 0054 button on the
SmartKey until the tailgate opens.
or
X If the tailgate is unlocked, pull the handle
and let it go again immediately.
i You can also close the tailgate manually
if it is fully opened.
! If you have opened the tailgate
automatically, you should wait a moment
before closing the tailgate manually. Cargo compartment
83
Opening and closing Z