2015 MERCEDES-BENZ A-CLASS HATCHBACK ignition

X
To unlock the vehicle: touch the inner
surface of the door handle.
X To lock the vehicle: touch sensor sur-
face :or;.
Make sure that you do not touch the inner
surface of the door handle.
X Convenience closing feature: touch
recessed sensor surface ;for an exten-
ded period.
For further information on the convenience closing feature (Y page 95).X
To unlock the tailgate: pull tailgate han-
dle :.
Deactivating and activating If you do not intend to use the vehicle for an
extended period of time, you can deactivate
KEYLESS-GO. The key will then use very little power, thereby conserving battery power. For
the purposes of activation or deactivation,
the vehicle does not have to be nearby. 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, then KEY-
LESS-GO is deactivated (Y page 86).
X To activate: press any button on the key.
or
X Insert the key into the ignition lock.
KEYLESS-GO and all of its associated fea-
tures 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
system. 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 fre-
quently travel alone.
X To change the setting: press and hold
down the %and& buttons simulta-
neously for about six seconds until the bat-
tery indicator lamp flashes twice
(Y page 86).
If the setting of the locking system is changed
within the signal range of the vehicle, press-
ing 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%but-
ton twice.
X To lock centrally: press the&button. 84
KeyOpening and closing

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 sur-
face 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
simultaneously for approximately six sec-
onds until the battery check lamp flashes
twice (Y page 86). Emergency key element
General notes If the vehicle can no longer be unlocked with
the key or KEYLESS-GO, use the emergency
key element.
If you use the emergency key element to
unlock and open the driver's door or the tail-
gate, the anti-theft alarm system will be trig-
gered (Y page 78).
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 igni-
tion 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.
Removing the emergency key element X
Push release catch :in the direction of
the arrow and, at the same time, remove
emergency key element ;from the key.
Further information about:
R unlocking the driver's door (Y page 91)
R unlocking the luggage compartment
(Y page 93)
R locking the vehicle (Y page 92)
Inserting the emergency key element X
Push emergency key element ;com-
pletely into the key until it engages and
release catch :is back in its basic posi-
tion. Battery of the key
Important safety notes G
WARNING
Batteries contain toxic and corrosive substan- ces. 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. Key
85Opening and closing Z

Problem
Possible causes/consequences and
M
MSolutions There is a fault with KEYLESS-GO.
X Lock/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 can also not be locked/unlocked using the remote
control function:
X Lock (Y page 91) or unlock (Y page 92) 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 347).
or
X Jump-start the vehicle (Y page 348).
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 discharged or nearly discharged.
X Check the key battery (Y page 86) and replace it if necessary
(Y page 86).
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. 88
KeyOpening and closing

vehicle. You can deactivate the double lock
function by deactivating the interior motion
sensor (Y page 80). The doors can then be
opened from the inside after the vehicle has
been locked from the outside. You can open
the rear doors from inside the vehicle if they
are not secured by the child-proof locks
(Y page 68). The anti-theft alarm system is
triggered if the door is opened from the
inside. Switch off the alarm (Y page 78).
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 cen-
tral locking or
R locked automatically
The vehicle will be fully unlocked if it had pre- viously been fully unlocked. Only the door
which has been opened from the inside is
unlocked if only the driver's door had been
previously 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
turning.
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 dynamom-
eter
You can also activate and deactivate the auto- matic locking function using the on-board
computer (Y page 251). 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 element.
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 78).
X Take the emergency key element out of the
key (Y page 85).
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-
clockwise as far as it will go to position 1. Doors
91Opening and closing Z

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 trav-
elling upwards during the automatic closing
process, the side window opens again auto-
matically. During the manual closing process, the side window only opens again automati-
cally after the corresponding switch is
released. The automatic reversing feature is
only an aid and is no substitute for your atten-
tion when closing a side window. 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 prec-
edence. :
Front left
; Front right
= Rear right
? Rear left
X Turn the key to position 1or 2in the ignition
lock (Y page 157).
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. 94
Side windowsOpening and closing

i
Notes on the automatic reversing feature
for:
R the side windows (Y page 94)
R the panorama sliding sunroof
(Y page 99)
R the roller sunblind (Y page 101)
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
sunroof closes.
X To interrupt convenience closing:
release the &button.
Using KEYLESS-GO The driver's door and the door at which the
handle is used must both be closed. The key
must be outside 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 only touch recessed sen-
sor 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 handle. 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 157).
X Pull the corresponding switch on the door
control panel until the side window is com-
pletely closed (Y page 94).
X Hold the switch for an additional second. 96
Side windowsOpening and closing

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, mal-
functions 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
sunroof is open. They are caused by minor
pressure fluctuations in the vehicle interior.
Change the position of the sliding sunroof
or open a side window slightly to reduce or
eliminate 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
automatically. The automatic reversing fea-
ture is, however, only an aid and is no substi-
tute for your attention when closing the slid-
ing 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
operated when the roller sunblind is open.
X Turn the key to position 1or 2in the ignition
lock (Y page 157).
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
started in the corresponding direction. You
can stop automatic operation by pressing/
pulling again. Panorama sliding sunroof
99Opening and closing Z

After opening the sliding sunroof, the roller
sunblind 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.
At low speeds it raises again automatically.
You can also temporarily deactivate auto-
matic lowering. To do so, press the 3
switch. The sliding sunroof raises again auto- matically.
You can continue to operate the sliding sun-
roof after switching off the engine or remov-
ing 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
vehicles with a rain sensor.
When the key is in position 0in the ignition
lock or is removed, the panorama sliding sun- roof 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 vehicle interior.
If the panorama sliding sunroof is obstructed
when being closed by the rain-closing feature, it opens again slightly. The rain-closing fea-
ture 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 wind-
screen 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 covered.
Rain-closing feature when driving The raised panorama sliding sunroof auto-
matically 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 clos-
ing 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 of 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. 100
Panorama sliding sunroofOpening and closing