2013 MERCEDES-BENZ CLA-CLASS Owners Manual

Replacing the battery
You require a CR 2025 3 V cell battery.
XTake the emergency key element out of the
key ( Y page 77).XPress emergency key element ; into the
opening in the key in the direction of the
arrow until battery tray cover : opens.
When doing so, do not hold cover : shut.XRemove battery tray cover :.XRepeatedly tap the key against your palm
until battery = falls out.XInsert the new battery with the positive ter-
minal facing upwards. Use a lint-free cloth
to do so.XMake sure that the surface of the battery is
free from lint, grease and all other forms of
contamination.XInsert the front tabs of battery tray
cover : and then press to close it.XInsert the emergency key element into the
key.XCheck the function of all key buttons on the
vehicle.Key79Opening and closingZProCarManuals.com

Problems with the keyProblemPossible causes/consequences and M SolutionsYou cannot lock or
unlock the vehicle
using the key.The key battery is discharged or nearly discharged.XTry again to lock/unlock the vehicle using the remote control
function of the key. Point the tip of the key at the driver's door
handle from close range and press the % / & button.
If this does not work:
XCheck the key battery and replace it if necessary ( Y page 79).XLock ( Y page 83) or unlock ( Y page 84) the vehicle using
the emergency key element.There is interference from a powerful source of radio waves.XTry again to lock/unlock the vehicle using the remote control
function of the key. Point the tip of the key at the driver's door
handle from close range and press the % / & button.The key is faulty.XLock ( Y page 83) or unlock ( Y page 84) the vehicle using
the emergency key element.XHave the key checked at a qualified specialist workshop.You have lost a key.XHave the key deactivated at a qualified specialist workshop.XReport the loss immediately to the vehicle insurers.XIf necessary, have the locks changed as well.You have lost the emer-
gency key element.XReport the loss immediately to the vehicle insurers.XIf necessary, have the locks changed as well.80KeyOpening and closing
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ProblemPossible causes/consequences and M SolutionsThe engine cannot be
started using the key.The on-board voltage is too low.XSwitch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
XCheck the starter battery and charge it if necessary
( Y page 302).
or
XJump-start the vehicle ( Y page 306).
or
XConsult a qualified specialist workshop.The engine cannot be
started using the key.The steering lock is mechanically blocked.XRemove the key and reinsert it into the ignition lock. While doing
this, turn the steering wheel in both directions.Doors
Important safety notes
GWARNING
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 shift the automatic transmission out of
parking position P.
R shift the manual transmission into neutral.
R start 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 or animals unattended in the vehicle.
Always keep the key out of reach of children.
GWARNING
If persons (particularly children) are exposed
to heat or cold for a prolonged period, there
is a risk of serious or even fatal injuries. Never
leave persons (particularly children) unatten-
ded in the vehicle.
Stow luggage or loads preferably in the boot.
Observe the loading guidelines
( Y page 268).
United Kingdom only:
GWARNING
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 with the key,
then the double lock function is activated as
standard. It is then not possible to open the
doors from inside the vehicle. You can deac-
Doors81Opening and closingZProCarManuals.com

tivate the double lock function by deactivat-
ing the interior motion sensor ( Y page 72).
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 63). The anti-
theft alarm system is triggered if the door is
opened from the inside. Switch off the alarm
( Y page 71).
Unlocking and opening the doors
from the inside
i When a door is opened, the side window
on that side opens slightly. When the door
is closed, the side window is raised again.
! The side windows will not open/close if
the battery is discharged or if the side win-
dows have iced up. It will then not be pos-
sible to close the door. Do not attempt to
force the door to close. You could other-
wise damage the door or the side window.
XPull door handle ;.
If the door is locked, locking knob : pops
up. The door is unlocked and can be
opened.
For all countries except the United King-
dom:
You can open a door from inside the vehicle
even if it has been locked.
If the vehicle has previously been locked with
the key, opening a door from the inside will
trigger the anti-theft alarm system. Switch off
the alarm ( Y page 71).
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 for the United Kingdom: if the vehicle
has been locked with the key, 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 double lock
function by deactivating the interior motion
sensor ( Y page 72). 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 63). The anti-theft alarm system is
triggered if the door is opened from the
inside. Switch off the alarm ( Y page 71).
Centrally locking and unlocking the
vehicle from the inside
You can centrally lock or unlock the vehicle
from the inside. This can be useful if you wish
to lock the vehicle before pulling away, for
example.
XTo unlock: press button :.XTo lock: press button ;.
If all the doors and the boot lid are closed,
the vehicle locks.
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.
82DoorsOpening and closing
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For all countries except the United King-
dom:
You can open a door from inside the vehicle
even if it has been locked.
If the vehicle has previously been locked with
the key, opening a door from the inside will
trigger the anti-theft alarm system. Switch off
the alarm ( Y page 71).
You can only open the rear doors from inside
the vehicle if they are not secured by the
child-proof locks ( Y page 63).
If the vehicle has been locked using the lock-
ing 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
Only for the United Kingdom: if the vehicle
has been locked with the key, 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 double lock
function by deactivating the interior motion
sensor ( Y page 72). 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 63). The anti-theft alarm system is
triggered if the door is opened from the
inside. Switch off the alarm ( Y page 71).
If the vehicle has been locked using the lock-
ing 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 unlockedAutomatic locking featureXTo deactivate: press and hold button :
for about five seconds until a tone sounds.XTo activate: press and hold button ; 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.
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 switch the automatic locking
function on and off using the on-board com-
puter ( Y page 223).
Unlocking the driver's door (emer-
gency key element)
If the vehicle can no longer be unlocked with
the key, 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 71).
Doors83Opening and closingZProCarManuals.com

XTake the emergency key element out of the
key ( Y page 77).XInsert the emergency key element into the
lock of the driver's door as far as it will go.XTurn the emergency key element anti-
clockwise to position 1.
The door is unlocked.
i On right-hand-drive vehicles, turn the
emergency key element clockwise.
XTurn the emergency key element back and
remove it.XInsert the emergency key element into the
key.
Locking the vehicle (emergency key
element)
If the vehicle can no longer be locked with the
key, use the emergency key element.
XOpen the driver's door.XClose the front-passenger door, the rear
doors and the boot lid.XPress the locking button ( Y page 82).XCheck 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 82).XClose the driver's door.XTake the emergency key element out of the
key ( Y page 77).XInsert the emergency key element into the
lock of the driver's door as far as it will go.XTurn the emergency key element clockwise
as far as it will go to position 1.
i
On right-hand-drive vehicles, turn the
emergency key element anti-clockwise.
XTurn the emergency key element back and
remove it.XMake sure that the doors and the boot lid
are locked.XInsert the emergency key element into the
key.
i If you lock the vehicle as described above,
the fuel filler flap is not locked. The anti-
theft alarm system is not primed.
Boot
Important safety notes
GWARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Exhaust
gases can enter the vehicle interior if the boot
lid is open when the engine is running, espe-
cially if the vehicle is in motion. There is a risk
of poisoning.
Always switch off the engine before opening
the boot lid. Never drive with the boot lid
open.
GWARNING
If persons (particularly children) are exposed
to heat or cold for a prolonged period, there
is a risk of serious or even fatal injuries. Never
84BootOpening and closing
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leave persons (particularly children) unatten-
ded in the vehicle.
! The boot lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the boot lid.
i The opening dimensions of the boot lid
can be found in the "Vehicle data" section
( Y page 343).
Stow luggage or loads preferably in the boot.
Observe the loading guidelines
( Y page 268).
Do not leave the key in the boot. You could
otherwise lock yourself out.
The boot lid can be:
R opened and closed manually from outside
R unlocked from the inside with the emer-
gency key element
Opening and closing manually from
outside
Opening
XPress the % button on the key.XPull handle :.XRaise the boot lid.ClosingXPull down the boot lid using handle :.XLet the boot lid drop into the lock.XIf necessary, lock the vehicle with the
& button on the key.
Opening automatically from outside
General notes
! The boot lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the boot lid.
i Opening dimensions of the boot lid
( Y page 343).
Opening
You can open the boot lid automatically using
the key or the handle in the boot lid.
XPress and hold the F button on the key
until the boot lid opens.
or
XIf the boot is unlocked, pull the boot lid
handle and release it again immediately.
Opening automatically from inside
General notes
! The boot lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the boot lid.
Boot85Opening and closingZProCarManuals.com

iOpening dimensions of the boot lid
( Y page 343).
Opening
You can open the boot lid from the driver's
seat when the vehicle is stationary and
unlocked.
XTo open: pull remote operating switch for
boot lid : until the boot lid opens.
Emergency release
If the boot lid can no longer be opened from
outside the vehicle, use the emergency
release on the inside of the boot lid.
! The boot lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the boot lid.
i The opening dimensions of the boot lid
can be found in the "Vehicle data" section
( Y page 343).
You can reach the emergency release via the
boot. Fold the rear backrests forward
( Y page 271).
XInsert suitable tool ;, e.g. a screwdriver,
horizontally on the left-hand side into emer-
gency release slot :.XPush tool ; evenly in the direction of the
arrow and open the boot lid.
i When you lock the vehicle ( Y page 84),
the boot is also locked.
Side windows
Important safety notes
GWARNING
While opening the side windows, body parts
in the closing area could become trapped.
There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure. If
somebody becomes trapped, release the
switch or press the switch to open the side
window again.
GWARNING
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.
86Side windowsOpening and closing
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