2011-2017 Mercedes B Class SUV Lights and windshield wipers -> Replacing bulbs User Manual
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Lights and windshield wipers -> Replacing bulbs for Your Mercedes B Class SUV Second Generation (2011-2017)

Control panel in the grab handle in the
rear compartment
:
To switch the reading lamp on/off
Interior lighting control
General notes
In order to prevent the vehicle's battery from
discharging, the interior lighting functions are
automatically deactivated after some time
except when the SmartKey is in position 2 in the
ignition lock.
The color and brightness for the ambient lighting
may be set via the multimedia system; see the
separate operating instructions.
Automatic interior lighting control
X
To switch on: set the switch to center posi-
tion B.
X
To switch off: set the switch to the |
position.
The interior lighting automatically switches on if
you:
R
unlock the vehicle
R
open a door
R
remove the SmartKey from the ignition lock
The interior light is activated for a short while
when the SmartKey is removed from the ignition
lock. This delayed switch-off can be adjusted via
the multimedia system; see the separate oper-
ating instructions.
Replacing bulbs
Important safety notes
Xenon bulbs:
G
DANGER
Xenon bulbs carry a high voltage. You can get
an electric shock if you remove the cover of
the Xenon bulb and touch the electrical con-
tacts. There is a risk of fatal injury.
Never touch the parts or the electrical con-
tacts of the Xenon bulb. Always have work on
the Xenon bulbs carried out at a qualified spe-
cialist workshop.
If your vehicle is equipped with Xenon bulbs, you
can recognize this by the following: the cone of
light from the Xenon bulbs moves from the top
to the bottom and back again when you start the
drive system. For this to be observed, the lights
must be switched on before the drive system is
started.
Headlamps and lights are an important aspect of
vehicle safety. You must therefore make sure
that these function correctly at all times. Have
the headlamp setting checked regularly.
Other bulbs:
G
WARNING
Bulbs, lamps and connectors can get very hot
when operating. If you change a bulb, you
could burn yourself on these components.
There is a risk of injury.
Allow these components to cool down before
changing a bulb.
Do not use a bulb if it has been dropped or if its
glass tube has been scratched.
The bulb may explode if
R
you touch it
R
it is hot
R
you drop it
R
you scratch it
Use bulbs only in closed lamps that have been
designed for this purpose. Only install spare
bulbs of the same type and the specified volt-
age.
Marks on the glass tube reduce the service life
of the bulbs. Do not touch the glass tube with
your bare hands. If necessary, clean the glass
90
Replacing bulbs
Lights and windshield wipers
tube when cold with alcohol or spirit and rub it
off with a lint-free cloth.
Protect bulbs from moisture during operation.
Do not allow bulbs to come into contact with
liquids.
Besides the Xenon bulbs, there are other bulbs
that you cannot replace yourself. Replace only
the bulbs listed (Y page 91). Have the bulbs
that you cannot change yourself replaced at a
qualified specialist workshop.
If you require assistance replacing bulbs, con-
sult a qualified specialist workshop.
If the new bulb still does not light up, consult a
qualified specialist workshop.
Headlamps and lights are an important aspect of
vehicle safety. You must therefore make sure
that these function correctly at all times. Have
the headlamp setting checked regularly.
Overview of bulb types
You can replace the following bulbs. The bulb
type can be found in the legend.
Vehicles with halogen headlamps
:
Turn signal lamp: PY 21 W
;
High-beam headlamps: H7 55 W
=
Parking lamps/standing lamps: W 5 W LL
?
Low-beam headlamps: H7 55 W
Vehicles with Bi-Xenon headlamps
:
Cornering lamp: H7 55 W
Tail lamps (vehicles with halogen headlamps)
:
Rear fog lamp: P 21 W
;
Backup lamp: W 16 W
License plate lamp (vehicles with halogen head-
lamps)
:
License plate lamp: C 5 W
Replacing bulbs
91
Lights and windshield wipers
Z
Replacing front bulbs
Removing and installing the cover in the
front wheel housing
You must remove the cover of the front wheel
housing before you can change the front turn
signal lamp.
X
To remove: switch off the lights.
X
Turn the front wheels inwards.
X
Slide cover : upwards.
Cover : is released.
X
Unclip cover :.
X
To install:clip in cover :.
X
Push cover : down.
Cover : is locked.
Low-beam headlamps (halogen head-
lamps)
X
Remove the cover in the front wheel housing
(Y page 92).
X
Turn housing cover : counter-clockwise and
remove it.
X
Turn bulb holder ; counter-clockwise and
pull out.
X
Pull the bulb out of bulb holder ;.
X
Insert the new bulb into bulb holder ;.
X
Insert bulb holder ; and turn it clockwise.
X
Press on housing cover : and turn it to the
right.
X
Replace the cover in the front wheel housing
(Y page 92).
High-beam headlamps (halogen head-
lamps)
X
Switch off the lights.
X
Open the hood.
X
Turn housing cover : counter-clockwise and
remove it.
X
Turn bulb holder ; counter-clockwise and
pull out.
X
Insert the new bulb and engage it to the stop.
X
Press on housing cover : and turn it to the
right.
Parking lamps/standing lamps (halo-
gen headlamps)
X
Switch off the lights.
X
Open the hood.
X
Turn housing cover : counter-clockwise and
remove it.
92
Replacing bulbs
Lights and windshield wipers
X
Pull out bulb holder ;.
X
Pull the bulb out of bulb holder ;.
X
Insert the new bulb into bulb holder ;.
X
Insert bulb holder ;.
X
Press on housing cover : and turn it to the
right.
Turn signals (halogen headlamps)
X
Switch off the lights.
X
Open the hood.
X
Turn bulb holder : counter-clockwise and
pull out.
X
Turn the bulb counter-clockwise and pull it
out of bulb holder :.
X
Insert the new bulb into bulb holder :.
X
Insert bulb holder : and turn it clockwise
until it engages.
Cornering light function (Xenon bulbs)
X
Switch off the lights.
X
Open the hood.
X
Turn housing cover : counter-clockwise and
remove it.
X
Turn bulb holder ; counter-clockwise and
pull out.
X
Pull the bulb out of bulb holder ;.
X
Insert new bulb into bulb holder ;.
X
Insert bulb holder ; and turn it clockwise.
X
Press on housing cover : and turn it to the
right.
Replacing rear bulbs
Tail lamps
Backup lamp and rear fog lamp
Due to their location, have the bulbs in the
backup lamp and the fog lamp in the tailgate
replaced at a qualified specialist workshop.
X
Switch off the lights.
X
Open the tailgate.
X
In recess ? on the inside of the closing han-
dle, pry off and unclip ; the upper section of
handle = with a flat smooth object, e.g. a
screwdriver, and remove.
X
Pull the lower section of handle : using a
sharp, sudden movement to remove it from
the paneling and then place it to one side.
Replacing bulbs
93
Lights and windshield wipers
Z
X
Reach under the right-hand side of trim B
and lightly tug along the entire length of the
trim in order to unclip A it.
X
Pull out connector C of the surround lighting
by releasing the latches.
X
Place paneling B to one side.
X
On the side where the bulb is to be replaced,
unclip the remaining part of trim D from the
assembly with a strong tug, until the bulb
holder is accessible.
X
Remove bulb holder E using both sides of
lever F.
Bulb holder
X
Backup lamp G: pull the bulb out of bulb
holder E.
X
Insert the new bulb into the bulb holder.
X
Rear fog lamp H: press the bulb gently into
bulb holder E, turn it counter-clockwise and
remove it from the bulb holder.
X
Insert the new bulb into the bulb holder and
turn it clockwise.
X
Reinsert the bulb holder until you hear it
engage audibly.
X
Position paneling D and engage it in place by
tapping it with your hand.
X
Before continuing with the installation, check
that all the metal clips are inserted in the parts
placed to one side: 2 clips ; in the upper part
of handle = and 5 clips A in paneling B.
X
If not, remove the missing metal clips from
the metal openings in the tailgate and insert
them in the appropriate places.
X
Take paneling B and connect plug connector
C to the surround lighting.
i
The surround lighting only illuminates when
the tailgate has been shut and reopened.
X
Position paneling B and engage it in place by
tapping it with your hand, starting from the
outside.
X
Clip in the lower section of handle : at posi-
tion ; again.
X
Insert the upper section of handle = into
lower section : and engage with recess ?
again.
License plate lamp
X
Switch off the lights.
X
Open the tailgate.
X
Apply a screwdriver to lamp lens : from the
outside.
94
Replacing bulbs
Lights and windshield wipers
X
Lever out lamp lens : and remove it.
X
Replace the bulb.
X
Insert lamp lens : into the license plate lamp
and press it in until it engages.
Windshield wipers
Switching the windshield wipers
on/off
!
Do not operate the windshield wipers when
the windshield is dry, as this could damage
the wiper blades. Moreover, dust that has col-
lected on the windshield can scratch the glass
if wiping takes place when the windshield is
dry.
If it is necessary to switch on the windshield
wipers in dry weather conditions, always use
washer fluid when operating the windshield
wipers.
!
If the windshield wipers leave smears on the
windshield after the vehicle has been washed
in an automatic car wash, wax or other resi-
dues may be the reason for this. Clean the
windshield using washer fluid after washing
the vehicle in an automatic car wash.
Combination switch
1
$ Windshield wiper off
2
Ä Intermittent wipe, low (rain sensor set
to low sensitivity)
3
Å Intermittent wipe, high (rain sensor
set to high sensitivity)
4
° Continuous wipe, slow
5
¯ Continuous wipe, fast
B
í Single wipe/î Wipes the wind-
shield using washer fluid
X
Switch on the ignition.
X
Turn the combination switch to the corre-
sponding position.
!
Vehicles with a rain sensor: if the windshield
becomes dirty in dry weather conditions, the
windshield wipers may be activated inadver-
tently. This could then damage the windshield
wiper blades or scratch the windshield.
For this reason, you should always switch off
the windshield wipers in dry weather.
Vehicles with a rain sensor: in the Ä or Å
position, the appropriate wiping frequency is
automatically set according to the intensity of
the rain. In the Å position, the rain sensor is
more sensitive than in the Ä position, caus-
ing the windshield wiper to wipe more fre-
quently.
If the wiper blades are worn, the windshield will
no longer be wiped properly. This could prevent
you from observing the traffic conditions.
Switching the rear window wiper on/
off
Combination switch
:
è Switch
2
ô Wipes with washer fluid
3
I Switches on intermittent wiping
4
0 Switches off intermittent wiping
5
ô Wipes with washer fluid
X
Switch on the ignition.
X
Slide switch : on the combination switch to
the corresponding position.
When the rear window wiper is switched on,
the è symbol appears in the assistance
graphic in the instrument cluster. Further
information on the assistance graphic
(Y page 162).
Windshield wipers
95
Lights and windshield wipers
Z

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Exterior lighting Interior lighting Windshield wipers

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