2016 MERCEDES-BENZ CLA COUPE ignition

X
To deactivate: press the&button on the
key twice in rapid succession.
The battery check lamp of the key flashes
twice briefly and lights up once; KEYLESS-GO is deactivated (Y page 79).
X To activate: press any button on the key.
or X Insert the key into the ignition lock.
KEYLESS-GO and all its associated features
are available again. KEYLESS-GO start function
General notes Bear in mind that the engine can be started by
any of the vehicle occupants if there is a key in
the vehicle. Changing the settings of the locking
system
You can change the settings of the locking sys-
tem. This means that only the driver's door and the fuel filler flap are unlocked when the vehicle
is unlocked. This is useful if you frequently travel alone.
X To change the setting: press and hold down
the % and& buttons simultaneously
for about six seconds until the battery indica-
tor lamp flashes twice (Y page 79).
If the setting of the locking system is changed
within the signal range of the vehicle, pressing
the & or% button:
R locks or
R unlocks the vehicle
The key now functions as follows:
X To unlock: press the%button once.
X To unlock centrally: press the%button
twice.
X To lock centrally: press the&button. The KEYLESS-GO function is changed as fol-
lows:
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.
X To restore the factory settings: press and
hold down the %and& buttons simul-
taneously for approximately six seconds until
the battery check lamp flashes twice
(Y page 79). Emergency key element
General notes If the vehicle can no longer be unlocked with the
key or KEYLESS-GO, use the emergency key ele-
ment.
If you use the emergency key element to unlock
and open the driver's door or the boot lid, the
anti-theft alarm system will be triggered
(Y page 73).
There are several ways to deactivate the alarm:
X To deactivate the alarm with the key: press
the % or& button on the key.
or X Insert the key into the ignition lock.
or X To deactivate the alarm with KEYLESS-GO:
press the Start/Stop button in the ignition
lock. The key must be in the vehicle.
or X Lock or unlock the vehicle using KEYLESS-
GO. The key must be outside the vehicle.
If you unlock the vehicle using the emergency
key element, the fuel filler flap will not be
unlocked automatically.
X To unlock the fuel filler flap: insert the key
into the ignition lock. 78
KeyOpening and closing

Problem
Possible causes/consequences and
M
MSolutions There is a fault with KEYLESS-GO.
X Lock or unlock the vehicle using the remote control function of the
key.
X Have the vehicle and key checked at a qualified specialist work-
shop.
If the vehicle cannot be locked or unlocked even using the remote
control function:
X Unlock (Y page 85) or lock (Y page 85) the vehicle using the
emergency key element.
X Have the vehicle and key checked at a qualified specialist work-
shop. The engine cannot be
started using the key. 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 301).
or X Jump-start the vehicle (Y page 301).
or X Consult a qualified specialist workshop. The engine cannot be
started using the Start/
Stop button. The key is in
the vehicle. The vehicle is locked.
X Unlock the vehicle and try to start the vehicle again. The key battery is weak or discharged.
X Check the key battery (Y page 79) and replace if necessary
(Y page 79).
If this does not work: X Start your vehicle with the key in the ignition lock. There is interference from a powerful source of radio waves.
X Start your vehicle with the key in the ignition lock. 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. 82
KeyOpening and closing

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.
You could therefore 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
You can also activate and deactivate the auto-
matic locking function using the on-board com- puter (Y page 211). Unlocking the driver's door (emer-
gency key element)
If the vehicle can no longer be unlocked with the key or KEYLESS-GO, use the emergency key ele-
ment.
If you use the emergency key element to unlock
and open the driver's door, the anti-theft alarm
system will be triggered (Y page 73).
X Take the emergency key element out of the
key (Y page 78).
X Insert the emergency key element into the
lock of the driver's door as far as it will go. X
Turn the emergency key element anti-clock-
wise as far as it will go to position 1.
On right-hand-drive vehicles, turn the emer-
gency key element clockwise.
The door is unlocked.
X Turn the emergency key element back and
remove it.
X Insert the emergency key element into the
key (Y page 79). Locking the vehicle (emergency key
element)
If the vehicle can no longer be locked with the
key or KEYLESS-GO, use the emergency key ele-
ment.
X Open the driver's door.
X Close the front-passenger door, the rear
doors and the boot lid.
X Press the locking button on the driver’s door
(Y page 84).
X Check whether the locking knobs on the
front-passenger door and the rear doors are
still visible. Press the locking knobs down by
hand if necessary.
X Close the driver's door.
X Take the emergency key element out of the
key (Y page 78).
X Insert the emergency key element into the
lock of the driver's door as far as it will go. Doors
85Opening and closing Z

:
Front left
; Front right
= Rear right
? Rear left
X Turn the key to position 1or 2in the ignition
lock (Y page 133).
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.
i If you press/pull the switch beyond the
point of resistance, automatic operation is
started in the corresponding direction. You
can stop automatic operation by pressing/
pulling again.
i You can continue to operate the side win-
dows after switching off the engine or remov-
ing the key. This function remains active for
five minutes or until the driver's or front-
passenger door is opened.
i The side windows cannot be operated from
the rear when the override feature for the side windows is activated (Y page 65).Convenience opening feature
Vehicles with KEYLESS-GO, the KEYLESS-
GO start function, Exclusive package or
AMG Exclusive package: you can ventilate the
vehicle before you start driving. The key can also be used to carry out the fol-
lowing functions simultaneously:
R
unlock the vehicle
R open the side windows
R open the panorama sliding sunroof and the
roller sunblind
The convenience opening feature can only be
operated using the key.
The "Convenience opening" feature is also avail-
able when the vehicle is unlocked.
X Vehicles with Exclusive package or AMG
Exclusive package but without KEYLESS-
GO and the KEYLESS-GO start function: for
the following operations, point the tip of the
key at the door handle on the driver's door.
The key must be close to the driver's door
handle.
i Vehicles with KEYLESS-GO or the KEY-
LESS-GO start function: the key must be in
close proximity to the vehicle.
X Press and hold the %button until the side
windows and the panorama sunroof are in the
desired position.
If the roller sunblind of the panorama sliding
sunroof is closed, the roller sunblind is
opened first.
X Press and hold the %button once more
until the panorama sliding sunroof reaches
the desired position.
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. 90
Side windowsOpening and closing

Vehicles with KEYLESS-GO, the KEYLESS-
GO start function, Exclusive package or
AMG Exclusive package: at the same time you
can:
R lock the vehicle
R close the side windows
R close the panorama sliding sunroof
On vehicles with a panorama sliding sunroof,
you can then close the roller sunblind.
i Notes on the automatic reversing function
for:
R the side windows (Y page 89)
R the panorama sliding sunroof
(Y page 93)
R the roller sunblind (Y page 94)
Using the key X
Vehicles with Exclusive package or AMG
Exclusive package but without KEYLESS-
GO and the KEYLESS-GO start function: for
the following operations, point the tip of the
key at the door handle on the driver's door.
The key must be close to the driver's door
handle.
i Vehicles with KEYLESS-GO or the KEY-
LESS-GO start function: the key must be in
close proximity to the vehicle.
X Press and hold the &button until the side
windows and the panorama sliding sunroof
are fully closed.
X Make sure that all the side windows and the
panorama sliding sunroof are closed.
On vehicles with a panorama sliding sunroof: X Press and hold the &button again until the
roller sunblind of the panorama sliding sun-
roof closes.
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 beoutside the vehicle. The gap between the key
and the corresponding door handle should not
be greater than 1 m. X
Touch recessed sensor surface :on the
door handle until the side windows and the
panorama sliding sunroof are fully closed.
i Make sure you touch only recessed sensor
surface :.
X Make sure that all the side windows are
closed.
X Make sure that all the side windows and the
panorama sliding sunroof are closed.
On vehicles with a panorama sliding sunroof: X Touch recessed sensor surface :on the
door handle again until the roller sunblind of
the panorama sliding sunroof closes.
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 (Y page 133).
X Pull the corresponding switch on the door
control panel until the side window is com-
pletely closed (Y page 89).
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 89).
X Hold the switch for an additional second.
X If the corresponding side window remains
closed after the button has been released, the Side windows
91Opening and closing Z

G
WARNING
At high speeds the raised sliding sunroof auto- matically lowers slightly at the rear. This could
trap you or other persons. There is a risk of
injury. Make sure that nobody reaches into
the sweep of the sliding sunroof whilst the
vehicle is in motion.
If somebody becomes trapped, immediately
pull back the sliding sunroof switch. The slid- ing sunroof lifts during opening.
! 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.
i Resonance noises can occur in addition to
the usual airflow noises when the sliding sun-
roof is open. They are caused by minor pres-
sure fluctuations in the vehicle interior.
Change the position of the sliding sunroof or
open a side window slightly to reduce or elim-
inate these noises. Reversing feature of the sliding sun-
roof
In the following section, the term "sliding sun-
roof" refers to the panorama sliding sunroof.
The sliding sunroof is equipped with an auto-
matic reversing feature. If an object blocks or
restricts the sliding sunroof during the closing
process, the sliding sunroof opens again auto-
matically. The automatic reversing feature is,
however, only an aid and is no substitute for your
attention when closing the sliding roof. G
WARNING
The reversing feature does not react:
R to soft, light and thin objects, e.g. small fin-
gers
R over the last 4 mm of the closing movement
R during resetting
R when closing the sliding sunroof again man-
ually immediately after automatic reversing 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 body parts
are in the closing area.
If someone is trapped:
R release the switch immediately or
R press the switch in any direction during the
automatic closing process
The closing process is stopped. Operating the panorama sliding sun-
roof
Opening and closing :
To raise
; To open
= To close/lower
The panorama sliding sunroof can only be oper-
ated when the roller sunblind is open.
X Turn the key to position 1or 2in the ignition
lock (Y page 133).
X Press or pull the 3switch in the corre-
sponding direction.
If you press/pull the 3switch beyond the
point of resistance, automatic operation is star- ted in the corresponding direction. You can stopautomatic operation by pressing/pulling again.
After opening the sliding sunroof, the roller sun-blind automatically closes slightly. This reduces
drafts in the vehicle interior.
If the sliding sunroof is raised at the rear, it
automatically lowers slightly at higher speeds.
The noise level in the vehicle interior is reduced
as a result. Panorama sliding sunroof
93Opening and closing Z

At low speeds it raises again automatically.
You can also temporarily deactivate automatic
lowering. To do so, press the 3switch. The
sliding sunroof raises again automatically.
You can continue to operate the sliding sunroof
after switching off the engine or removing the
key. This function remains active for five
minutes or until you open a front door.
The sliding sunroof cannot be opened if a roof
carrier is fitted. In order to allow ventilation of
the vehicle interior, you can raise the sliding
sunroof.
If contact is made with a roof carrier approved
by Mercedes-Benz, the sliding sunroof lowers
slightly but remains raised at the rear.
Rain-closing feature when the engine is
switched off The rain-closing feature is only available for vehi-
cles with a rain sensor.
When the key is in position 0in the ignition lock
or is removed, the panorama sliding sunroof
closes automatically:
R if it starts to rain
R at extreme outside temperatures
R after six hours
R if there is a malfunction in the power supply
The panorama sliding sunroof remains raised at
the rear in order to allow ventilation of the vehi-
cle interior.
If the panorama sliding sunroof is obstructed
when being closed by the rain-closing feature, it opens again slightly. The rain-closing feature is
then deactivated.
The panorama sliding sunroof does not close if:
R it is raised at the rear.
R it is blocked.
R no rain is falling on the area of the windscreen
being monitored by the rain sensor. If, for
example, the vehicle is under a bridge or in a
carport, the field of the sensor may be cov-
ered.
Rain-closing feature when driving The raised panorama sliding sunroof automati-
cally lowers when driving if it starts to rain. The
sliding sunroof is lowered depending on:
R the road speed and
R the intensity of the rain You can manually cancel the automatic closing
procedure. Press or pull the
3switch in any
direction.
To raise the panorama sliding sunroof again,
press the 3button in direction :. The rain-
closing feature remains activated. Operating the roller sunblind for the
panorama sliding sunroof
Important safety notes G
WARNING
Parts of the body could become trapped
between the roller sunblind and frame or slid- ing sunroof during automatic opening or clos-
ing. There is a risk of injury.
When opening or closing, make sure that no
body parts are in the sweep of the roller sun- blind.
If someone is trapped:
R release the switch immediately or
R press the switch in any direction during the
automatic opening/closing process
The opening/closing process is stopped.
The roller sunblind shields the vehicle interior
from sunlight. The roller sunblind can only be
opened and closed when the panorama sliding
sunroof is closed.
Roller sunblind reversing feature The roller sunblind is equipped with an auto-
matic reversing feature. If an object blocks or
restricts the roller sunblind during the closing
process, the roller sunblind opens again auto-
matically. The automatic reversing feature is,
however, only an aid and is no substitute for your
attention when closing the roller sunblind. G
WARNING
The reversing feature does not react:
R to soft, light and thin objects, e.g. small fin-
gers
R when closing the roller sunblind again man-
ually immediately after automatic reversing 94
Panorama sliding sunroofOpening and closing

This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is a risk of injury.
When closing the roller sunblind, make sure
that no body parts are in the sweep.
If someone is trapped:
R release the switch immediately or
R press the switch in any direction during the
automatic closing process
The closing process is stopped.
Opening and closing :
To open
; To open
= To close
X Turn the key to position 1or 2in the ignition
lock (Y page 133).
X Press or pull the 3switch in the corre-
sponding direction.
If you press/pull the 3switch beyond the
point of resistance, automatic operation is star- ted in the corresponding direction. You can stopautomatic operation by pressing/pulling again.
After opening the panorama sliding sunroof, the
roller sunblind automatically closes slightly. This
reduces drafts in the vehicle interior. Resetting the panorama sliding sunroof
or the roller sunblind Reset the panorama sliding sunroof or the roller
sunblind if the panorama sliding sunroof or the
roller sunblind does not move smoothly.
X Turn the key to position 1or 2in the ignition
lock (Y page 133).
X Pull the 3switch repeatedly to the point of
resistance in the direction of arrow :until
the panorama sliding sunroof is fully closed.
X Keep the 3switch pulled for an additional
second.
X Pull the 3switch repeatedly to the point of
resistance in the direction of arrow :until
the roller sunblind is fully closed.
X Keep the 3switch pulled for an additional
second.
X Make sure that the panorama sliding sunroof
and the roller sunblind can be fully opened
and closed again.
X If this is not the case, repeat the steps above
again. Problems with the panorama sliding sunroof
G
WARNING
If you do not reset the sliding sunroof after a malfunction or voltage supply interruption, then the
reversing function will malfunction or not work. The sliding sunroof closes with increased or
maximum force. 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. Panorama sliding sunroof
95Opening and closing
Z