lock MERCEDES-BENZ GLC COUPE 2016 Service Manual

Problem
Possible causes/consequences and
M
MSolutions You have lost a key. X
Have the key deactivated at a qualified specialist workshop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. You have lost the emer-
gency key element. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. Doors
Important safety notes
United Kingdom only: G
WARNING
When the double locks are activated, the
doors can no longer be opened from the
inside. People in the vehicle can no longer get out, e.g. in hazardous situations. There is a
risk of injury.
Therefore, do not leave any people unsuper-
vised in the vehicle, particularly children, eld-
erly people or people in need of special assis-
tance. Do not activate the double lock when
people are in the vehicle.
If the vehicle has been locked from the outside, the double lock function is activated as stand-
ard. It is then not possible to open the doors
from inside the vehicle. You can deactivate the
double lock function by deactivating the interior
motion sensor (see Digital Owner's Manual).
The doors can then be opened from the inside
after the vehicle has been locked from the out-
side. The anti-theft alarm system is triggered if
the door is opened from the inside. Switch off
the alarm (Y page 79).
All countries: G
WARNING
If children are left unsupervised in the vehicle, they can:
R open doors and endanger other persons or
road users
R climb out and be injured by the traffic
R operate vehicle equipment and, for exam-
ple, trap themselves. Children could also set the vehicle in motion,
for example by:
R releasing the parking brake
R shifting the automatic transmission out of
park position P
R starting the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the key with you and lock the vehicle. Never leave
children unattended in the vehicle. Always
keep the key out of reach of children. Unlocking and opening the doors
from the inside
United Kingdom only: if the vehicle has been
locked with the key or with KEYLESS-GO, the
double lock function is activated as standard. It is then not possible to open the doors from
inside the vehicle. You can deactivate the dou-
ble lock function by deactivating the interior
motion sensor (see Digital Owner's Manual).
The doors can then be opened from the inside
after the vehicle has been locked from the out-
side. You can open the rear doors from inside
the vehicle only if they are not secured by the
child-proof locks (Y page 67). The anti-theft
alarm system is triggered if the door is opened
from the inside. Switch off the alarm
(Y page 79).
For all countries except the United Kingdom:
You can open a door from inside the vehicle
even if it has been locked. You can open the rear
doors from inside the vehicle only if they are not
secured by the child-proof locks (Y page 67). If
the vehicle has previously been locked with the
key or with KEYLESS-GO, opening a door from
the inside will trigger the anti-theft alarm sys-
tem. Switch off the alarm (Y page 79).88
DoorsOpening and closing

X
Pull door handle ;.
If the door is locked, locking knob :pops up.
The door is unlocked and opens. Centrally locking and unlocking the
vehicle from the inside
You can centrally lock and unlock the vehicle
from the inside. The switches are on the driver's door. X
To unlock: press button :.
X To lock: press button ;.
When the front-passenger door is closed, the
vehicle is locked.
This does not lock or unlock the fuel filler flap.
You cannot unlock the vehicle centrally from the
inside if the vehicle has been locked with the key or KEYLESS-GO.
For all countries except the United Kingdom:
If the vehicle has previously been locked with
the key or with KEYLESS-GO, opening a door
from the inside will trigger the anti-theft alarm
system. Switch off the alarm (Y page 79).
United Kingdom only: if the vehicle has been
locked with the key or with KEYLESS-GO, the
double lock function is activated as standard. It is then not possible to open the doors from inside the vehicle. You can deactivate the dou-
ble lock function by deactivating the interior
motion sensor (see Digital Owner's Manual).
Opening/closing doors is then possible as fol-
lows: the doors can be opened from inside. You
can open the rear doors from inside the vehicle
only if they are not secured by the child-proof
locks (Y page 67).
When a locked door is opened from inside the
vehicle, the previous unlocking process will be
observed if the vehicle has been:
R locked with the locking button for the central
locking or
R locked automatically
The vehicle will be fully unlocked if it had previ-
ously been fully unlocked. Only the door that has
been opened from the inside is unlocked if only the driver's door had previously been unlocked. Automatic locking feature
X
To deactivate: press and hold button :for
approximately five seconds until a tone
sounds.
X To activate: press and hold button ;for
approximately five seconds until a tone
sounds.
If you press one of the two buttons and do not
hear a tone, the relevant setting has already
been selected.
The vehicle is locked automatically when the
ignition is switched on and the wheels are turn-
ing.
Therefore, you could be locked out if:
R the vehicle is being pushed
R the vehicle is being towed
R the vehicle is being tested on a dynamometer Doors
89Opening and closing Z

You can also switch the automatic locking func-
tion on and off using the multimedia system (see
the Digital Owner's Manual). Locking/unlocking the driver's door
with the emergency key element
i In order to lock all of the vehicle's locks,
begin by pressing the button for locking the
vehicle from the inside while the driver's door is open. Then proceed to lock the driver's
door using the emergency key element. X
Insert the emergency key element into open-
ing :in the protective cap.
X Pull and hold the door handle.
X Pull the protective cap on the emergency key
as straight as possible away from the vehicle until it releases.
X Release the door handle. X
To lock: turn the emergency key element
clockwise as far as it will go to position 1.
X To unlock: turn the emergency key element
anti-clockwise as far as it will go to position
1. Right-hand-drive vehicle:
turn the emergency
key element in the opposite direction in both
cases.
If you use the emergency key element to unlock
and open the driver's door, the anti-theft alarm
system will be triggered. Switch off the alarm
(Y page 79). Luggage compartment
Important safety notes
G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. If the tailgate is open when the engine is running, particu-
larly 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 tail-
gate. Never drive with the tailgate open. G
WARNING
If objects, luggage or loads are not secured or not secured sufficiently, they could slip, tip
over or be flung around and thereby hit vehicle
occupants. There is a risk of injury, especially when braking or abruptly changing directions.
Always store objects so that they cannot be
flung around. Secure objects, luggage or
loads against slipping or tipping before the
journey.
! The tailgate swings upwards and to the rear
when opened. Therefore, make sure that
there is sufficient clearance above and behind
the tailgate.
The opening dimensions of the tailgate can be
found in the "Vehicle data" section
(Y page 379).
You can limit the opening angle of the tailgate
(Y page 94).
Do not leave the key in the luggage compart-
ment. If you do so, you could lock yourself out.
Stow luggage or loads preferably in the luggage
compartment. Observe the loading guidelines
(Y page 305). 90
Luggage compartmentOpening and closing

Tailgate obstruction detection with
reversing function
Vehicles with remote tailgate closing:
The tailgate is equipped with automatic obstacle detection with reversing function. If a solid
object blocks or restricts the tailgate when auto-
matically opening, this process is stopped. If a
solid object blocks or restricts the tailgate when
automatically closing, the tailgate automatically opens again slightly. The automatic obstacle
detection with reversing function is only an aid.
It is not a substitute for your attention when
opening and closing the tailgate. G
WARNING
The reversing function does not react:
R to soft, light and thin objects, e.g. fingers
R over the last 8 mm of the closing path
In these situations in particular, the reversing
function cannot prevent someone being trap-
ped. There is a risk of injury.
When closing, make sure that no body parts
are in the closing area.
If someone is trapped:
R press the Fbutton on the key or
R pull or push the remote operating switch on
the driver's door or
R press the closing or locking button on the
tailgate or
R push the top of the star on the tailgate
Vehicles with HANDS-FREE ACCESS:
It is also possible to stop the closing process by
making a kicking movement under the rear
bumper. Opening and closing automatically
from the outside
Important safety notes G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. If the tailgate is open when the engine is running, particu-
larly 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 tail-
gate. Never drive with the tailgate open.
G
WARNING
Parts of the body could become trapped dur-
ing automatic closing of the tailgate. More-
over, people, e.g. children, may be in the clos- ing 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 theclosing area during the closing process.
Use one of the following options to stop the
closing process:
R Press the Fbutton on the key.
R Pull or push the remote operating switch on
the driver's door.
R Press the closing or locking button on the
tailgate.
R Press the top of the star on the tailgate.
Vehicles with HANDS-FREE ACCESS:
It is also possible to stop the closing process by making a kicking movement under the rear
bumper.
! The tailgate swings upwards and to the rear
when opened. Therefore, make sure that
there is sufficient clearance above and behind
the tailgate.
Two warning tones sound while the tailgate is
opening or closing.
You will find details on the tailgate opening
dimensions in the "Vehicle data" section
(Y page 379). Luggage compartment
91Opening and closing Z

Opening automatically
You can open the tailgate automatically using
the key or by pressing the top of the Mercedes
star
:on the tailgate.
X Press and hold the Fbutton on the key
until the tailgate opens.
or X With the tailgate unlocked, press the top of
the Mercedes star :.
or X With the tailgate stopped in an intermediate
position, pull the tailgate upwards.
You can release the tailgate as soon as the
tailgate starts to open.
X When the reversing camera is activated:
pull on the folded-out Mercedes star
:.
The tailgate opens.
Closing automatically :
Closing button
; Locking button
X Press closing button :on the tailgate.
or
X Pull the tailgate downwards slightly.
You can release the tailgate as soon as the
tailgate starts to close. When the driver's door is closed, you can simul-
taneously close the tailgate and lock the vehicle.
To do this, the key must be in the KEYLESS-GO
detection range to the rear of the vehicle.
X Press locking button ;on the tailgate.
If KEYLESS-GO detects a key outside the vehi- cle, the tailgate closes. The vehicle is locked.
or
Vehicles with EASY-PACK tailgate and with
KEYLESS-GO or KEYLESS-GO start-function:
X If the key is located in the immediate vicinity
of the vehicle: press the Fbutton on the
key.
You can release the button as soon as the
tailgate starts to close.
If KEYLESS-GO detects a key only in the luggage
compartment after it is closed, the tailgate is
unlocked again.
If a second key is detected outside the vehicle,
the tailgate remains locked.
If KEYLESS-GO detects a key only in the luggage compartment before the closing process starts,
the tailgate remains open. HANDS-FREE ACCESS
Important safety notes G
WARNING
The vehicle exhaust system can become very
hot. If you use HANDS-FREE ACCESS, you
could burn yourself by touching the exhaust
system. There is a risk of injury. Always
ensure that you only make a leg movement
within the detection range of sensors.
! If the key is within the rear detection range
of KEYLESS-GO, the following situations, for
example, could lead to the unintentional
opening of the tailgate:
R using a car wash
R using a high-pressure cleaner
Make sure that the key is at least 3 m away
from the vehicle.
General notes With KEYLESS-GO and HANDS-FREE ACCESS,
you can open or close the tailgate or stop the
process without using your hands. This is useful92
Luggage compartmentOpening and closing

If the tailgate opening process has been stop-
ped:
R Kick your foot under the bumper again and
the tailgate will close. Opening and closing automatically
from the inside
Important safety notes G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. If the tailgate is open when the engine is running, particu-
larly 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 tail-
gate. Never drive with the tailgate open. G
WARNING
Parts of the body could become trapped dur-
ing automatic closing of the tailgate. In addi-
tion, people may be standing in the closing
area or may enter the closing area, e.g. chil-
dren, during the closing procedure. There is a risk of injury.
Make sure that nobody is in the vicinity of theclosing area during the closing process.
Release the remote operating switch imme-
diately if somebody becomes trapped. To re-
open the tailgate pull on the remote operating
switch.
Vehicles with HANDS-FREE ACCESS:
It is also possible to stop the closing process by performing a kicking movement under the rear
bumper.
! The tailgate swings upwards and to the rear
when opened. Therefore, make sure that
there is sufficient clearance above and behind
the tailgate.
Two warning tones sound while the tailgate is
opening or closing.
The opening dimensions of the tailgate can be
found in the "Vehicle data" section
(Y page 379). Opening and closing
X
To open: pull remote operating switch :for
tailgate until tailgate opens.
X To close: turn key to position 1or 2in ignition
lock.
X Press and hold remote operating switch for
tailgate :until tailgate is completely closed.
When the vehicle is stationary, you can close the tailgate from the driver's seat. When the vehicle
is also unlocked, you can also open the tailgate
from inside. Limiting the opening angle of the tail-
gate
General notes !
Make sure there is sufficient clearance to
open the tailgate fully when setting the open- ing angle. The tailgate could otherwise be
damaged. Ideally, set the opening angle out-
side.
You can limit the opening angle of the tailgate.
This is possible in the top half of its opening
range, up to approximately 20 cm before the
stop.
To open the tailgate fully, push the top of the star on the tailgate again after it has stopped auto-
matically. This does not delete the stored posi-
tion.
Switching on X
To open the tailgate: push the top of the star
on the tailgate.
X To stop the opening process at the
desired position:
press the closing button on94
Luggage compartmentOpening and closing

the tailgate or push the top of the star on the
tailgate again.
X To store the position: press and hold the
closing button on the tailgate until you hear a short tone.
The opening angle limiter is activated. The
tailgate then stops in the stored position
when opened.
Switching off X
Press and hold the closing button on the tail-
gate until two short tones sound. Unlocking the tailgate using the emer-
gency key element
General notes Use the emergency key element if the tailgate
can no longer be unlocked:
R using the key
R using HANDS-FREE ACCESS
R using the remote operating switch on the door
control panel
! The tailgate swings upwards and to the rear
when opened. Therefore, make sure that
there is sufficient clearance above and behind
the tailgate.
You will find details on the tailgate opening
dimensions in the "Vehicle data" section
(Y page 379).
To unlock X
Remove the luggage compartment cover
(Y page 311).
X Fold the rear seat backrest forwards
(Y page 308). X
Insert emergency key element ;into open-
ing :in the trim and push it in.
X Open the tailgate.
When you lock the vehicle, the luggage com-
partment is also locked again. Side windows
Important safety notes
G
WARNING
While opening the side windows, body parts
could become trapped between the side win- dow and the door frame as the side window
moves. There is a risk of injury.
Make sure that nobody touches the side win-
dow during the opening procedure. If some-
body becomes trapped, release the switch or pull the switch to close the side window again. G
WARNING
While closing the side windows, body parts in the closing area could become trapped. There is a risk of injury.
When closing make sure that no parts of the
body are in the closing area. If somebody
becomes trapped, release the switch or press
the switch to open the side window again. G
WARNING
If children operate the side windows they
could become trapped, particularly if they are left unsupervised. There is a risk of injury.
Activate the override feature for the rear side
windows. When leaving the vehicle, always
take the key with you and lock the vehicle.
Never leave children unattended in the vehi-
cle. Side window reversing feature
The side windows are equipped with an auto-
matic reversing feature. If a solid object blocks
or restricts a side window from travelling
upwards during the automatic closing process,
the side window opens again automatically. Dur-
ing the manual closing process, the side window Side
windows
95Opening an d closing Z

only opens again automatically after the corre-
sponding switch is released. The automatic
reversing feature is only an aid and is no substi-
tute for your attention when closing a side win-
dow. G
WARNING
The reversing function does not react:
R to soft, light and thin objects, e.g. small fin-
gers
R while resetting
This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is a risk of injury.
When closing, make sure that no parts of the
body are in the closing area. If someone
becomes trapped, press the switch to open
the side window again. Opening and closing the side win-
dows
The switches for all side windows are located on
the driver's door. There is also a switch on each door for the corresponding side window.
The switches on the driver's door take prece-
dence. :
Front left
; Front right
= Rear right
? Rear left
X Turn the key to position 1or 2in the ignition
lock.
X To open manually: press and hold the cor-
responding button. X
To open fully: press the button beyond the
point of resistance and release it.
Automatic operation is started.
X To close manually: pull the corresponding
button and hold it.
X To close fully: pull the button beyond the
point of resistance and release it.
Automatic operation is started.
X To interrupt automatic operation: press/
pull the corresponding switch again.
If you press/pull the switch beyond the point of resistance and release, automatic operation is
started in the corresponding direction. You can
stop automatic operation by pressing/pulling
again.
You can continue to operate the side windows
after switching off the engine or removing the
key. This function remains active for five
minutes or until you open a front door.
The side windows cannot be operated from the
rear when the override feature for the side win-
dows is activated (Y page 67).
Information on opening and closing the roller
sunblinds on the rear side windows
(Y page 317). Convenience opening feature
General notes If the key is in the immediate vicinity of the vehi-
cle, the "convenience opening" feature is avail-
able.
Vehicles with KEYLESS-GO or KEYLESS-GO
start function: you can ventilate the vehicle
before you start driving.
To do this, the key is used to carry out the fol-
lowing functions simultaneously:
R unlock the vehicle
R open the side windows
R open the sliding sunroof
R switch on the seat ventilation for the driver's
seat
The "convenience opening" feature is also avail-
able when the vehicle is unlocked. 96
Side windowsOpening and closing

Convenience opening feature
X
Press and hold the %button on the key
until the sliding sunroof is in the desired posi- tion.
X To interrupt convenience opening: release
the % button. Convenience closing feature
Important safety notes G
WARNING
When the convenience closing feature is oper- ating, parts of the body could become trapped
in the closing area of the side window and the
sliding sunroof. There is a risk of injury.
Observe the complete closing procedure
when the convenience closing feature is oper-
ating. When closing make sure that no parts of the body are in the closing area.
Vehicles with KEYLESS-GO or KEYLESS-GO
start function: if the key is in the immediate
vicinity of the vehicle, the "convenience closing" feature is available.
When you lock the vehicle, you can simultane-
ously:
R close the side windows
R close the sliding sunroof
Notes on the automatic reversing function for:
R the side windows (Y page 95)
R the sliding sunroof (Y page 99)
Using the key X
Press and hold the &button until the side
windows and the sliding sunroof are fully
closed.
X Make sure that all the side windows and the
sliding sunroof are closed.
X To interrupt convenience closing: release
the & button.
Using KEYLESS-GO The driver's door and the door at which the han-
dle is used must both be closed. The key must be outside the vehicle. The distance between the
key and the corresponding door handle must not
be greater than 1 m. X
Touch recessed sensor surface :on the
door handle until the side windows and the
sliding sunroof are fully closed.
Make sure you touch only recessed sensor
surface :.
X Make sure that all the side windows and the
sliding sunroof are closed.
X To interrupt convenience closing: release
recessed sensor surface :on the door han-
dle. Resetting the side windows
If a side window can no longer be closed fully,
you must reset it.
X Close all doors.
X Turn the key to position 1or 2in the ignition
lock.
X Pull the corresponding switch on the door
control panel until the side window is com-
pletely closed (Y page 96).
X Hold the switch for an additional second.
If the side window opens again slightly: X Immediately pull the corresponding switch on
the door control panel until the side window is completely closed (Y page 96).
X Hold the switch for an additional second.
X If the corresponding side window remains
closed after the button has been released, the
side window has been reset correctly. If this is
not the case, repeat the steps above again. Side windows
97Opening and closing Z

Problems with the side windows
G
WARNING
If you close a side window again immediately after it has been blocked or reset, the side window
closes with increased or maximum force. The reversing function is then not active. Parts of the
body could be trapped in the closing area in the process. This poses an increased risk of injury or even fatal injury.
Make sure that no parts of the body are in the closing area. To stop the closing process, releasethe switch or push the switch again to reopen the side window. Problem
Possible causes/consequences and
M MSolutions A side window cannot be
closed because it is
blocked by objects, e.g.
leaves in the window
guide. X
Remove the objects.
X Close the side window. A side window cannot be
closed and you cannot
see the cause. If a side window is obstructed during closing and reopens again
slightly:
X Immediately after the window blocks, pull the corresponding switch
again until the side window has closed.
The side window is closed with increased force.
If a side window is obstructed again during closing and reopens again slightly:
X Immediately after the window blocks, pull the corresponding switch
again until the side window has closed.
The side window is closed without the automatic reversing feature. Sliding sunroof
Important safety notes
G
WARNING
While opening and closing the sliding sunroof, body parts in close proximity could become
trapped. There is a risk of injury.
Make sure that no body parts are in close
proximity during the opening and closing pro- cedures.
If somebody becomes trapped:
R release the switch immediately, or
R during automatic operation, press the
switch briefly in any direction
The opening or closing procedure will be stop- ped. G
WARNING
If children operate the sliding sunroof they
could become trapped, particularly if they are left unsupervised. There is a risk of injury.
When leaving the vehicle, always take the key
with you and lock the vehicle. Never leave
children unattended in the vehicle.
! Only open the panorama sliding sunroof if it
is free of snow and ice. Otherwise, malfunc-
tions may occur.
Do not allow anything to protrude from the
sliding sunroof. Otherwise, the seals could be
damaged.
Resonance noises can occur in addition to the
usual airflow noises when the sliding sunroof is
open. They are caused by minor pressure fluc-
tuations in the vehicle interior. Change the posi- tion of the sliding sunroof or open a side window
slightly to reduce or eliminate these noises. 98
Sliding sunroofOpening and closing