key MERCEDES-BENZ B-CLASS HATCHBACK 2014 Owner's Guide

X
Turn the emergency key element back and
remove it.
X Insert emergency key element into the key
(Y page 89). Locking the vehicle (emergency key
element)
If the vehicle can no longer be locked with the key or KEYLESS-GO, use the emergency key
element.
X Open the driver's door.
X Close the front-passenger door, the rear
doors and the tailgate.
X Press the locking button on the driver’s
door (Y page 94).
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 89).
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 clockwise
as far as it will go to position 1.
i On right-hand-drive vehicles, turn the
emergency key element anti-clockwise.
X Turn the emergency key element back and
remove it. X
Make sure that the doors and the tailgate
are locked.
X Insert emergency key element into the key
(Y page 89).
i If you lock the vehicle as described above,
the fuel filler flap is not locked. The anti-
theft alarm system is not primed. 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.
i The opening dimensions of the tailgate
can be found in the "Vehicle data" section
(Y page 393).
Stow luggage or loads preferably in the lug-
gage compartment. Observe the loading
guidelines (Y page 298).
Do not leave the key in the luggage compart- ment. You could otherwise lock yourself out. 96
Luggage compartmentOpening and closing

The tailgate can be:
R opened and closed manually from outside
R emergency release activated from the
inside Opening/closing from the outside
Opening X
Press the %button on the key.
X Pull handle :.
X Raise the tailgate.
Closing X
Pull the tailgate down using handle :.
X Let the tailgate to drop into the lock.
X If necessary, lock the vehicle with the &
button on the key or with KEYLESS-GO. Tailgate emergency release
General notes !
The tailgate swings upwards and to the
rear when opened. Therefore, make sure
that there is sufficient clearance above and behind the tailgate.
i The opening dimensions of the tailgate
can be found in the "Vehicle data" section
(Y page 393).
If the tailgate can no longer be unlocked:
R using the key, or
R using the remote operating switch in the
door control panel:
Use the emergency release on the inside of
the tailgate.
You can reach the emergency release via the
luggage compartment.
Opening X
Remove the luggage compartment cover
(Y page 306).
X Fold the rear seat backrest forwards
(Y page 303).
X Take the emergency key element out of the
key (Y page 89).
X Insert emergency key element ;into the
opening in trim :.
X Turn emergency key element ;90° clock-
wise. Luggage compartment
97Opening and closing Z

X
Push emergency key element ;in the
direction of the arrow and open the tail-
gate.
X Insert emergency key element into the key
(Y page 89). 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 98
Side windowsOpening and closing

X
Turn the key to position 1or 2in the ignition
lock (Y page 159).
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
removing 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 72).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
i The convenience opening feature can
only be operated 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 sunroof
are in the desired position.
If the roller sunblind of the panorama slid-
ing sunroof is closed, the roller sunblind is
opened first.
X Press and hold the %button again until
the panorama sliding sunroof is in 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.
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. Side windows
99Opening and closing Z

i
Notes on the automatic reversing feature
for:
R the side windows (Y page 98)
R the panorama sliding sunroof
(Y page 103)
R the roller sunblind (Y page 104)
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 159).
X Pull the corresponding switch on the door
control panel until the side window is com-
pletely closed (Y page 98).
X Hold the switch for an additional second. 100
Side windowsOpening and closing

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 can-
not 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 anti-entrapment feature. Panorama sliding sunroof
Important safety notes
In the following section, the term "sliding sun-
roof" refers to the panorama sliding sunroof. 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. 102
Panorama sliding sunroofOpening and closing

!
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. Sliding sunroof reversing feature
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 function 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 function 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 is trapped:
R release the switch immediately or
R during automatic operation, press the
switch briefly in any direction
The closing process is stopped. Operating the sliding sunroof
Opening and closing Overhead control panel
:
To raise
; To open
= To close/lower
X Turn the key to position 1or 2in the ignition
lock (Y page 159).
X Make sure that the roller sunblind is open.
X Press or pull the 3switch in the corre-
sponding direction.
i If you press/pull the
3switch beyond
the point of resistance, automatic opera-
tion is started in the corresponding direc-
tion. You can stop automatic operation by
pressing/pulling again.
i After opening the sliding sunroof, the
roller sunblind automatically closes
slightly. This reduces drafts in the vehicle
interior.
i 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.
i The sliding sunroof cannot be opened if a
roof carrier is fitted. In order to allow ven-
tilation 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. Panorama sliding sunroof
103Opening and closing Z

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 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 sup-
ply.
The sliding sunroof remains raised at the rear
in order to allow ventilation of the vehicle
interior.
i If the 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 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,
e.g. because the vehicle is under a bridge.
Rain-closing feature when driving The raised sliding sunroof automatically low-
ers at the rear 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 sliding sunroof again, press the
3 switch in direction :. The rain-closing
feature remains activated. Operating the roller sunblind for the
sliding sunroof
Important safety notes G
WARNING
When opening or closing the roller sunblind
parts of the body could be trapped between
the roller sunblind and the frame or sliding
sunroof. There is a risk of injury.
When opening or closing make sure that no
parts of the body are in the sweep of the roller sunblind.
If someone is trapped:
R release the switch immediately or
R during automatic operation, press the
switch briefly in any direction
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 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 sun-
blind. G
WARNING
The reversing function 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
This means that the reversing function 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 sweep of the roller sunblind. 104
Panorama sliding sunroofOpening and closing

If someone is trapped:
R release the switch immediately or
R during automatic operation, press the
switch briefly in any direction
The closing process is stopped.
Opening and closing Overhead control panel
:
To open
; To open
= To close
X Turn the key to position 1or 2in the ignition
lock (Y page 159).
X Press or pull the 3switch in the corre-
sponding direction.
i If you press/pull the
3switch beyond
the point of resistance, automatic opera-
tion is started in the corresponding direc-
tion. You can stop automatic operation by
pressing/pulling again.
i After opening the sliding sunroof, the
roller sunblind automatically closes
slightly. This reduces drafts in the vehicle
interior. Resetting the sliding sunroof and the
roller sunblind Reset the sliding sunroof and the roller sun-
blind if the sliding sunroof or the roller sun-
blind does not move smoothly:
X Turn the key to position 1or 2in the ignition
lock (Y page 159).
X Pull the 3switch repeatedly to the point
of resistance in the direction of arrow =
until the sliding sunroof is fully closed.
X Keep the 3switch pulled for an addi-
tional 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 addi-
tional second.
X Make sure that the sliding sunroof
(Y page 103) and the roller sunblind
(Y page 105) can be fully opened and
closed again.
X If this is not the case, repeat the steps
above again. Panorama sliding sunroof
105Opening and closing Z

The seat belt should:
R fit snugly across your body
R be routed across the middle of your
shoulder
R be routed across your hips in the pelvic
area
X Before starting off, adjust the rear-view mir-
ror and the exterior mirrors (Y page 115)
so that you have a good view of road and
traffic conditions.
X Vehicles with a memory function: save
the seat and exterior mirror settings
(Y page 118). Seats
Important safety notes
G
WARNING
If children adjust the seats, they could
become trapped, especially if they are unat-
tended. 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.
The seats can still be adjusted when there is
no key in the ignition lock. G
WARNING
When adjusting a seat, you or another vehicle occupant could become trapped by the guiderail of the seat, for instance. There is a risk of
injury.
Make sure that no one has any part of their
body within the sweep of the seat when
adjusting it.
Observe the safety notes on "Airbags"
(Y page 46) and "Children in the Vehicle"
(Y page 57). G
WARNING
If the driver's seat is not correctly engaged, it could unexpectedly move while driving. This could cause you to lose control of the vehicle.
There is a risk of an accident.
Always ensure that the driver's seat is
engaged before starting the vehicle. G
WARNING
You could lose control of the vehicle while
driving if you:
R adjust the driver's seat, steering wheel or
mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirrors and fasten your seat
belt before starting the engine. G
WARNING
If you adjust the seat height carelessly, you or other vehicle occupants could be trapped andthereby injured. Children in particular could
accidentally press the electrical seat adjust-
ment buttons and become trapped. There is a
risk of injury.
While moving the seats, make sure that your
hands or other body parts do not get under the
lever assembly of the seat adjustment sys-
tem.
! To avoid damage to the seats and the seat
heating, observe the following information:
R do not spill any liquids on the seats. If
liquid is spilled on the seats, dry them as
soon as possible.
R if the seat covers are damp or wet, do not
switch on the seat heating. The seat
heating should also not be used to dry
the seats.
R clean the seat covers as recommended;
see the "Interior care" section.
R do not transport heavy loads on the
seats. Do not place sharp objects on the
seat cushions, e.g. knives, nails or tools. Seats
109Seats, steering wheel and mirrors Z