key MERCEDES-BENZ B-CLASS HATCHBACK 2008 User Guide

Opening and closing
60 Opening and closing
Key
The key centrally locks/unlocks:
R the doors
R the tailgate
R the fuel filler flap G
Risk of accident
If children are left unsupervised in the vehi-
cle, they could:
R open a door from the inside at any time,
even if it has been locked
R start the vehicle using a key which has
been left in the vehicle
R release the parking brake
They could, thereby, endanger themselves
and others. Never leave children unsuper-
vised in the vehicle. Always take the key
with you when leaving the vehicle, even if
you are only leaving it for a short time. 1
Battery check lamp
2 j To lock the vehicle
3 Emergency key element release catch
4 k To unlock the vehicle
When unlocking, the turn signals flash once.
When locking, they flash three times.
If you do not open either a door or the tailgate
after you have unlocked the vehicle, it will
automatically relock after approximately 40
seconds.
Individual settings You can change the setting of the locking
system in such a way that only the driver's
door and the fuel filler flap are unlocked. This
could be useful if you frequently travel on your
own.X
To change the setting: press thek
and j buttons simultaneously for
approximately six seconds until the battery
check lamp flashes twice.
The key now functions as follows:
X To unlock the driver's door: press the
k button once.
X To unlock centrally: press thekbut-
ton twice.
X To lock centrally: press thejbutton.
Restoring the factory settings X
Press the kandj buttons simulta-
neously for approximately six seconds until
the battery check lamp flashes twice.
Additional information R
Convenience closing (Y page 85)
R Convenience opening (Y page 84)
R Opening and closing in an emergency
(Y page 241) Controls
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Key positions
62
Opening from the outside You can only open the tailgate after unlocking
it first.
X To unlock centrally: press thekbut-
ton on the key. X
Pull handle 1.
X Raise the tailgate.
Closing from the outside G
Risk of injury
Make sure that nobody can become trap-
ped as you close the tailgate.
i Do not leave the key in the luggage com-
partment. You could otherwise lock your-
self out. X
Pull the tailgate down using recess 1.
X Push the tailgate closed from the outside.
X Lock the vehicle if necessary with
the ‹ button on the key. Key positions
}
To remove the key
$ Power supply for some consumers, such
as the windscreen wipers
% Ignition (power supply for all consumers)
and drive position
& To start the engine
i Even if the key is not for the vehicle in
question, it will still turn in the ignition lock.
The ignition is not switched on. The engine
cannot be started. Cont
rols
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Seats
63Seats
Points to remember
You can find information about enlarging the
luggage compartment (folding forwards/
removing the rear seats) on (Y page 149).
Depending on the vehicle's equipment, the
seats can be adjusted either manually or elec-
trically. G
Risk of injury
The seats can be adjusted when the key is
removed and the door is open. For this rea-
son, children should never be left unsuper-
vised in the vehicle. They could become
trapped when adjusting a seat. G
Risk of accident
Only adjust the driver's seat when the vehi-
cle is stationary. You will otherwise be dis-
tracted from the road and traffic conditions
and you could lose control of the vehicle as
a result of the seat moving. This could
cause an accident. G
Risk of injury
Make sure that nobody can become trap-
ped when you adjust the seat. Observe the notes concerning the airbag
system.
Secure children as recommended; see
"Children in the vehicle" section.
! When you move the seats, make sure that
there are no objects in the footwell or
behind the seats. Otherwise, you could
damage the seats and the objects.
i The front seats are fitted with active head
restraints (Y page 42). For this reason, it is
not possible to remove the head restraints
from the front seats.
The rear-compartment head restraints can
be removed (Y page 66).
Please contact a Mercedes-Benz Service
Centre for more information. Adjusting the seat manually
1
Seat fore-and-aft adjustment
2 Seat cushion angle*
3 Seat height
4 Backrest angle
Seat fore-and-aft adjustment X
Lift handle 1and slide the seat forwards
or backwards.
X Release handle 1again.
Make sure that you hear the seat engage
into position. Controls
* optional
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Seats
65Adjusting the seat electrically*
1
Head restraint height
2 Backrest angle
3 Seat fore-and-aft adjustment
4 Seat cushion angle
5 Seat height
X Make sure that the key is in position 1or
2 in the ignition lock or that the respective
door is open.
Seat fore-and-aft adjustment X
Slide the button forwards or back in the
direction of arrow 3. Seat height X
Slide the button up or down in the direction
of arrow 5.
Seat cushion angle Adjust the angle so that your thighs are gently
supported.
X
Slide the button up or down in the direction
of arrow 4.
Backrest angle X
Slide the button forwards or back in the
direction of arrow 2.
Head restraint height G
Risk of injury
Make sure that the central area of the head
restraint supports the back of your head at
about eye level. You could seriously injure
your neck if your head is not correctly sup-
ported by the head restraint in the event of
an accident. Never travel without a cor-
rectly adjusted and engaged head restraint. X
Slide the button up or down in the direction
of arrow 1.
Head restraint angle X
Push or pull the upper edge of the head
restraint in the direction of the arrow. Controls
* optional
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Seats
68 Lumbar support*
The lumbar support for the front seats can be
adjusted to provide optimum support for your
back. 1
Adjustment lever
X Move adjustment lever 1until the desired
backrest contour is achieved. Multi-contour backrest*
You can adjust the contour of the front seats
individually so as to provide optimum support
for your back. 1
Lumbar region support
2 Upper back support
3 Backrest side cushions
X Make sure that the key is in position 2in
the ignition lock.
Lumbar region support X
Use button 1to adjust the lumbar region
support to the desired position. Upper back support X
Use button 2to adjust the upper back
support to the desired position.
Backrest side cushions X
Use button 3to adjust the backrest side
cushions to the desired position. Seat heating*
The three red indicator lamps in the button
indicate the heating level you have selected. 1
Seat heating
i The system automatically switches down
from level 3to level 2after approximately
five minutes. Controls
* optional
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Steering wheel
69
The system automatically switches down
from level 2to level 1after approximately
ten minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X Make sure that the key is in position 1or
2 in the ignition lock.
X To switch on: press button1repeatedly
until the desired heating level is set.
X To switch off: press button1repeatedly
until all indicator lamps go out.
i If the battery voltage is too low, the seat
heating may switch off. Steering wheel
G
Risk of accident
Only adjust the steering wheel when the
vehicle is stationary and do not pull away
until the steering wheel adjustment mech-
anism is locked in position. You might oth-
erwise drive without the steering wheel
adjustment mechanism being locked in
position. As a result you could be distracted
from road and traffic conditions by an unex-
pected movement of the steering wheel
and thereby cause an accident.
However, the steerability of the vehicle is
not affected.
When you adjust the steering wheel, make
sure that:
R the steering wheel can be reached with
your arms slightly bent
R you can move your legs freely
R you can see all the displays in the instru-
ment cluster clearly 1
Release lever
2 Height adjustment
3 Fore-and-aft adjustment
X Pull handle 1out completely.
The steering column is unlocked.
X Adjust the steering wheel to the desired
position.
X Push handle 1in completely until you hear
it engage.
The steering wheel is locked in position. Controls
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Mirrors
71
Adjusting the exterior mirrors
1
Adjustment button
2 Right-hand exterior mirror
3 Left-hand exterior mirror
X Make sure that the key is in position 1or
2 in the ignition lock.
X Press button 2for the right-hand exterior
mirror or button 3for the left-hand exte-
rior mirror.
The indicator lamp in the corresponding
button lights up in red.
The indicator lamp goes out again after
some time. You can adjust the selected
mirror using adjustment button 1as long
as the indicator lamp is lit.
X Press adjustment button 1up, down, to
the right or to the left until the exterior mir- ror is set to a position which provides you
with a good overview of traffic conditions.
Folding the exterior mirrors in or out
electrically* 1
To fold the exterior mirrors in or out
X Make sure that the key is in position 1or
2 in the ignition lock.
X Briefly press button 1.
Both exterior mirrors fold in or out.
i Make sure that the exterior mirrors are
always folded out fully while the vehicle is
in motion; otherwise, they may vibrate. Resetting the exterior mirrors If the battery has been disconnected or has
become discharged, the exterior mirrors
must be reset. If this is not done, the exterior
mirrors will not fold in when you select the
"Fold in mirrors when locking" function in the
on-board computer (Y page 110).
X Make sure that the key is in position 1in
the ignition lock.
X Briefly press button 1.
Folding the exterior mirrors in or out
automatically* If the "Fold in mirrors when locking" function
is activated in the on-board computer
(Y
page 110):
R the exterior mirrors fold in automatically as
soon as you lock the vehicle from the out-
side.
R The exterior mirrors fold out again auto-
matically as soon as you unlock the vehicle
and then open the driver's or front-
passenger door.
i If you have activated this function and fold
in the exterior mirrors using button 1, they
will not be folded out automatically. You Controls
* optional
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Seat belts
72can only fold out the exterior mirrors again
using button
1. Seat belts
Wearing seat belts
Seat belts are the most effective means of
restraining the movement of vehicle occu-
pants in the event of an accident. This
reduces the risk of vehicle occupants coming
into contact with the vehicle interior. G
Risk of injury
A seat belt which is not worn correctly, or
which has not been engaged in the seat belt
buckle correctly, cannot perform its inten-
ded protective function. Under certain cir-
cumstances this could cause severe or
even fatal injuries.
Make sure that all occupants – in particular,
pregnant women – wear their seat belt cor-
rectly at all times.
R The seat belt must pass closely over your
body and must not be twisted. You
should therefore avoid wearing bulky
clothing (e.g. a winter coat). The shoulder
belt section must be routed across the
middle of your shoulder – on no account
across your neck or under your arm – and
pulled tight against your upper body. The
lap belt must always pass across your lap
as low down as possible, i.e. over your hip joints – not across your abdomen. If
necessary, push down the belt strap
slightly and then retighten it in the roll-up
direction.
R Do not route the belt strap across sharp
or fragile objects, especially if these are
located on or in your clothing, e.g. spec-
tacles, pencils, keys, etc. The seat belt
strap could be damaged and tear in an
accident and you or other vehicle occu-
pants could be injured.
R Only one person should use each seat
belt at any one time. Children must never
travel sitting on the lap of other occu-
pants. It would not be possible to restrain
the child in the event of a sudden change
in direction, braking or an accident. This
could result in severe or even fatal inju-
ries to the child and other occupants.
R Persons less than 1.50 m tall cannot
wear the seat belts correctly. For this
reason, secure persons less than 1.50 m
tall in specially designed, suitable
restraint systems.
R Children less than 1.50 m tall or under
12 years of age cannot wear the seat
belts properly. Therefore, always secure
these children in suitable child restraint Controls
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Lights
76R
you have set the seat angle so that your
thighs are gently supported
R you can depress the pedals properly
R you have adjusted the head restraint so
that the back of your head is supported
at eye level by the central area of the
head restraint
X Check whether steering wheel 1is adjus-
ted properly (Y page 69).
Make sure that:
R you can hold the steering wheel with your
arms slightly bent
R you can move your legs freely
R you can see all the displays in the instru-
ment cluster clearly
X Check whether you have fastened seat belt
2 properly (Y page 72).
It should:
R fit snugly across your body
R be routed across the middle of your
shoulder
R routed in your pelvic area across the hip
joints Lights
Light switch
For safety reasons, Mercedes-Benz recom-
mends that you drive with the lights switched
on even during the daytime. In some coun-
tries, daytime operation of headlamps varies
due to legal and voluntary requirements. In
these countries, the constant headlamp
mode is automatically switched on when the
engine is started.
i If you drive in countries in which traffic
drives on the opposite side of the road to
the country where the vehicle is registered,
oncoming traffic may be dazzled by the
asymmetrical dipped-beam headlamps.
Have the headlamps changed to symmet-
rical dipped beam when driving in these
countries. You can obtain information
about this from any Mercedes-Benz Service
Centre. $
a
Left-hand parking lamp
% g
Right-hand parking lamp 8
& M
Lights off/constant headlamp mode
( U
Automatic headlamp mode/con-
stant headlamp mode
) C
Side lamps, licence plate and instru-
ment lighting
* B
Dipped-beam headlamps or main-
beam headlamps
, ¥
foglamps*
. †
Rear foglamp
i The exterior lighting (except for side
lamps and parking lamps) automatically
switches off when you remove the key from
the ignition lock or open the driver's door
8 You must turn the light switch beyond its resistance point when turning it from the Mposition to the gposition. Controls
* optional
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Lights
77
while the ignition is switched off (ignition
key in position
0).
! Switch off the side lamps and parking
lamp when you leave the vehicle. This pre-
vents the battery from discharging.
Dipped-beam headlamps X
Turn the ignition key to position 2in the
ignition lock or start the engine.
X To switch on: turn the light switch to
B.
The B indicator lamp in the instrument
cluster lights up.
Constant headlamp mode In countries in which constant headlamp
mode is not a legal requirement, you can
make this a setting using the on-board com-
puter.
You can activate or deactivate "constant
headlamp mode" using the on-board com-
puter (Y
page 108).
X To switch on: turn the light switch to
M orU.
The dipped-beam headlamps are switched
on when the engine is running. i
When you turn the light switch to any
position other than MorU, the cor-
responding light goes on.
Automatic headlamp mode G
Risk of accident
If the light switch is set to the Ãposi-
tion, the light will not come on automati-
cally in foggy conditions. This could endan-
ger you and others. Therefore, turn the light
switch to Lin the dark or in fog.
The automatic headlamp feature is only an
aid. The driver is responsible for the vehi-
cle's lighting at all times. G
Risk of accident
When it is dark or foggy, turn the light
switch from ÃtoL in good time.
Otherwise, the headlamps could switch off
temporarily and you could cause an acci-
dent.
X To switch on: turn the light switch to
U.
Key in position 1in the ignition lock: the
side lamp is switched on or off automati-
cally, depending on the brightness of the
ambient light. Starting the engine: the dipped-beam head-
lamps are also switched on or off automat-
ically, depending on the brightness of the
ambient light.
When the dipped-beam headlamps are
switched on, the
Bindicator lamp in the
instrument cluster lights up.
Front foglamps*/Rear foglamp G
Risk of accident
If you suspect that driving conditions will be
foggy, turn the light switch to Lbefore
you start your journey. Otherwise, your
vehicle may not be visible and you could
endanger yourself and others.
When the light switch is set to Uyou can-
not switch on the front* or rear foglamps.
X Turn the key to position 2in the ignition
lock.
X To switch on the front foglamps*: turn
the light switch to the BorC posi-
tion.
X Pull the light switch out to the first detent.
The ¥ green indicator lamp next to the
light switch lights up. Controls
* optional
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