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

Exterior lighting
General notes
For reasons of safety, Mercedes-Benz recom-
mends that you drive with the lights switched on
even during the daytime. In some countries,
operation of the headlamps varies due to legal
requirements and self-imposed obligations.
Setting the exterior lighting
Setting options
Exterior lighting can be set using the:
R
light switch
R
combination switch (Y page 88)
R
on-board computer (Y page 166)
Light switch
Operation
1 W
Left-hand standing lamps
2 X
Right-hand standing lamps
3 T
Parking lamps, license plate and
instrument cluster lighting
4 Ã
Automatic headlamp mode, controlled
by the light sensor
5L
Low-beam/high-beam headlamps
B R
Rear fog lamp
If you hear a warning tone when you leave the
vehicle, the lights may still be switched on.
X
Turn the light switch to the à position.
The exterior lighting (except the parking/stand-
ing lamps) switches off automatically if you:
R
remove the SmartKey from the ignition lock
R
open the driver's door with the SmartKey in
position 0 in the ignition lock
Automatic headlamp mode
à is the favored light switch setting. The light
setting is automatically selected according to
the brightness of the ambient light (exception:
poor visibility due to weather conditions such as
fog, snow or spray):
R
SmartKey in position 1 in the ignition lock: the
parking lamps are switched on/off automat-
ically depending on the brightness of the
ambient light.
R
With the drive system running: if you have
switched on the
Daytime Running LightsDaytime Running Lights
function in the on-board computer, the day-
time running lamps or the parking lamps and
low-beam headlamps are switched on or off
automatically depending on the brightness of
the ambient light.
X
To switch on the automatic headlamp
mode: turn the light switch to the à posi-
tion.
G
WARNING
When the light switch is set to Ã, the low-
beam headlamps may not be switched on
automatically if there is fog, snow or other
causes of poor visibility due to the weather
conditions such as spray. There is a risk of an
accident.
In such situations, turn the light switch to
L.
The automatic headlamp feature is only an aid.
The driver is responsible for the vehicle's light-
ing at all times.
The daytime running lamps improve the visibility
of your vehicle during the day. To do this, the
daytime running lamps function must be
switched on using the on-board computer
(Y page 166).
If the drive system is switched on and you turn
the light switch to T or L, the manual
settings take precedence over the daytime run-
ning lamps.
Low-beam headlamps
Even if the light sensor does not detect that it is
dark, the parking lamps and low-beam head-
lamps come on when the ignition is switched on
and the light switch is set to the L position.
This is a particularly useful function in the event
of rain and fog.
Exterior lighting
87
Lights and windshield wipers
Z
X
To switch on the low-beam headlamps:
turn the SmartKey in the ignition lock to posi-
tion 2 or start the drive system.
X
Turn the light switch to L.
The green L indicator lamp in the instru-
ment cluster lights up.
Rear fog lamp
The rear fog lamp improves visibility of your
vehicle for the traffic behind in the event of thick
fog. Please take note of the country-specific
regulations for the use of rear fog lamps.
X
To switch on the rear fog lamp: turn the
SmartKey in the ignition lock to position 2 or
start the drive system.
X
Turn the light switch to L or Ã.
X
Press the R button.
The yellow R indicator lamp in the instru-
ment cluster lights up.
X
To switch off the rear fog lamp: press the
R button.
The yellow R indicator lamp in the instru-
ment cluster goes out.
Parking lamps
!
If the battery charge level is very low, the
parking lamps or standing lamps are switched
off automatically in order to preserve energy
to start the drive system. Always park your
vehicle safely and sufficiently lit according to
legal standards. Avoid using the parking
lamps T for periods of several hours.
Where possible, switch the right-hand X
or left-hand W standing lamp on.
X
To switch on: turn the light switch to T.
The green T indicator lamp in the instru-
ment cluster lights up.
Standing lamps
Switching on the standing lamps ensures the
corresponding side of the vehicle is illuminated.
X
To switch on the standing lamps: the
SmartKey should not be in the ignition lock or
it should be in position 0.
X
Turn the light switch to W (left-hand side of
the vehicle) or X (right-hand side of the
vehicle).
Combination switch
X
To indicate briefly: press the combination
switch briefly to the pressure point in the
direction of arrow ; or ?.
The corresponding turn signal flashes three
times.
X
To indicate: press the combination switch
beyond the pressure point in the direction of
arrow ; or ?.
X
To switch on the high-beam headlamps:
turn the light switch to L or Ã.
X
Press the combination switch beyond the
pressure point in the direction of arrow :.
The high-beam headlamps only switch on in
the à position if the low-beam headlamps
are on.
The blue K indicator lamp in the instru-
ment cluster lights up when the high-beam
headlamps are switched on.
X
To switch off the high-beam head-
lamps:move the combination switch back to
its normal position.
The blue K indicator lamp in the instru-
ment cluster goes out.
X
To switch on the high-beam flasher: pull
the combination switch in the direction of
arrow =.
88
Exterior lighting
Lights and windshield wipers
Hazard warning lamps
X
To switch on the hazard warning lamps:
press button :.
All turn signals flash. If you now switch on a
turn signal using the combination switch, only
the turn signal lamp on the corresponding
side of the vehicle will flash.
X
To switch off the hazard warning lamps:
press button :.
The hazard warning lamps automatically switch
on if:
R
an air bag is deployed or
R
the vehicle decelerates rapidly from a speed
of above 45 mph (70 km/h) and comes to a
standstill
The hazard warning lamps switch off automati-
cally if the vehicle reaches a speed of above
6 mph (10 km/h) again after a full brake appli-
cation.
The hazard warning lamps still operate if the
ignition is switched off.
Cornering light function
The cornering light function improves the illu-
mination of the road over a wide angle in the
direction you are turning, enabling better visi-
bility in tight bends, for example. It can only be
activated when the low-beam headlamps are
switched on.
Active:
R
if you are driving at speeds below 25 mph
(40 km/h) and switch on the turn signal or
turn the steering wheel
R
if you are driving at speeds between 25 mph
(40 km/h) and 45 mph (70 km/h) and turn
the steering wheel
The cornering lamp may remain lit for a short
time, but is automatically switched off after no
more than three minutes.
Headlamps fogged up on the inside
Certain climatic and physical conditions may
cause moisture to form in the headlamp. This
moisture does not affect the functionality of the
headlamp.
Interior lighting
Overview of interior lighting
Front overhead control panel
:
p Switches the left-hand front reading
lamp on or off
;
c Switches the front interior lighting on
=
v Switches the rear interior lighting on or
off
?
| Switches the front interior lighting/
automatic interior lighting control off
A
p Switches the right-hand front reading
lamp on or off
B
Switches the automatic interior lighting con-
trol on
Interior lighting
89
Lights and windshield wipers
Z
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
Replacing the wiper blades
Important safety notes
G
WARNING
If the windshield wipers begin to move while
you are changing the wiper blades, you could
be trapped by the wiper arm. There is a risk of
injury.
Always switch off the windshield wipers and
ignition before changing the wiper blades.
!
To avoid damaging the wiper blades, make
sure that you touch only the wiper arm of the
wiper.
!
Never open the hood/tailgate if a wiper arm
has been folded away from the windshield/
rear window.
Never fold a windshield wiper arm without a
wiper blade back onto the windshield/rear
window.
Hold the windshield wiper arm firmly when
you change the wiper blade. If you release the
wiper arm without a wiper blade and it falls
onto the windshield/rear window, the wind-
shield/rear window may be damaged by the
force of the impact.
Mercedes-Benz recommends that you have
the wiper blades changed at a qualified spe-
cialist workshop.
Changing the windshield wiper blades
Removing the wiper blades
X
Vehicles without KEYLESS-GO: remove the
SmartKey from the ignition lock.
X
Vehicles with KEYLESS-GO: switch off the
engine.
X
Fold the wiper arm away from the windshield.
X
Hold on to the wiper arm with one hand. With
the other hand, turn wiper blade in direction
of arrow : away from the wiper arm as far as
it will go.
X
Slide catch ; in the direction of arrow =
until it engages in the removal position with a
noticeable click.
X
Remove the wiper blade in the direction of
arrow ? away from the wiper arm.
Installing the wiper blades
X
Insert the new wiper blade into the wiper arm
in the direction of arrow :.
96
Windshield wipers
Lights and windshield wipers
X
Slide catch ; in the direction of arrow =
until it engages in the locking position with a
noticeable click.
X
Make sure that the wiper blade is seated cor-
rectly.
X
Fold the wiper arm back onto the windshield.
X
Remove protective film : of the service indi-
cator on the tip of the wiper blade.
If the color of the service indicator changes from
black to yellow, the wiper blades should be
replaced.
i
The duration of the color change varies
depending on the usage conditions.
Replacing the rear window wiper blade
Removing a wiper blade
X
Vehicles without KEYLESS-GO: remove the
SmartKey from the ignition lock.
X
Vehicles with KEYLESS-GO: switch off the
engine.
X
Fold wiper arm : away from the rear window
until you feel it engage.
X
Position wiper blade ; at a right angle to
wiper arm :.
X
Hold wiper arm : and press wiper blade ;
in the direction of the arrow until it releases.
X
Remove wiper blade ;.
Installing a wiper blade
X
Place new wiper blade ; onto wiper arm :.
X
Hold wiper arm : and press wiper blade ;
in the opposite direction to the arrow until it
engages.
X
Make sure that wiper blade ; is seated cor-
rectly.
X
Position wiper blade ; parallel to wiper
arm :.
X
Fold wiper arm : back onto the rear window.
Windshield wipers
97
Lights and windshield wipers
Z
Problems with the windshield wipers
Problem
Possible causes/consequences and MM Solutions
The windshield wipers
are jammed.
Leaves or snow, for example, may be obstructing the windshield wiper
movement. The wiper motor has been deactivated.
X
For safety reasons, you should remove the SmartKey from the igni-
tion lock.
X
Remove the cause of the obstruction.
X
Switch the windshield wipers back on.
The windshield wipers
fail completely.
The windshield wiper drive is malfunctioning.
X
Select another wiper speed on the combination switch.
X
Have the windshield wipers checked at a qualified specialist work-
shop.
The windshield washer
fluid from the spray noz-
zles no longer hits the
center of the windshield.
The spray nozzles are misaligned.
X
Have the spray nozzles adjusted at a qualified specialist workshop.
98
Windshield wipers
Lights and windshield wipers

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