2015 MERCEDES-BENZ B-CLASS SPORTS window

!Only open the sliding sunroof if it is free of
snow and ice. Otherwise, malfunctions may
occur.
Do not allow anything to protrude from the sliding sunroof. Otherwise, the seals could
be damaged.
!The weather can change abruptly. It could
start to rain or snow. Make sure that the
sliding sunroof is closed when you leave the
vehicle. The vehicle electronics can be
damaged if water enters the vehicle inte-rior.
iResonance 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 a solid object
blocks or restricts the sliding sunroof during
the closing process, the sliding sunroof opens again automatically. However, the automatic
reversing feature is only an aid and does not
relieve you of the responsibility of paying
attention when closing the sliding sunroof.
GWARNING
The reversing feature does not react:
R to soft, light and thin objects, e.g. small fin-
gers
R over the last 1/6 in(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 feature cannot
prevent someone being trapped in these sit-
uations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure.
If somebody becomes trapped:
R release the switch immediately, or
R during automatic operation, push 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 SmartKey to position 1or 2in the
ignition lock ( Ypage 135).
X Make sure that the roller sunblind is open.
X Press or pull the 3switch in the corre-
sponding direction.
iIf 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 the switch again.
iAfter opening the sliding sunroof, the
roller sunblind closes slightly automati-
cally. This reduces drafts in the vehicle inte- rior.
iYou can continue to operate the sliding
sunroof after switching off the engine or
removing the SmartKey from the ignition
lock. This function remains active for five
minutes or until you open a front door.
86Panorama roof with power tilt/sliding panel
Opening and closing

Problems with the seat heating
ProblemPossible causes/consequences andMSolutions
The seat heating has
switched off prema-
turely or cannot be
switched on.The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat heating will
switch back on automatically.
Steering wheel
Important safety notes
GWARNING
You could lose control of your vehicle if you do
the following while driving:
R adjust the driver's seat, head restraint,
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 mirror and fasten your seat belt before starting the engine.
GWARNING
Children could injure themselves if they
adjust the steering wheel. There is a risk ofinjury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Neverleave children unsupervised in the vehicle.
Adjusting the steering wheel
GWARNING
If the steering wheel is unlocked while the
vehicle is in motion, it could change position
unexpectedly. This could cause you to lose
control of the vehicle. There is a risk of anaccident.
Before starting off, make sure the steering
wheel is locked. Never unlock the steering
wheel while the vehicle is in motion.
:Release lever
;To adjust the steering wheel height
=To adjust the steering wheel position
(fore-and-aft adjustment)
X Push release lever :down completely.
The steering column is unlocked.
X Adjust the steering wheel to the desiredposition.
X Push release lever :up completely.
The steering column is locked.
X Check if the steering column is locked.
When doing so, try to push the steering
wheel up or down or try to move it in the
fore-and-aft direction.
Steering wheel97
Seats, steering wheel and mirrors
Z

Mirrors
Rear-view mirror
XAnti-glare mode: flick anti-glare lever :
forwards or back.
Exterior mirrors
Adjusting the exterior mirrors
GWARNING
You could lose control of your vehicle if you do the following while driving:
R adjust the driver's seat, head restraint,
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 mirror and fasten your seat belt before starting the engine.
GWARNING
The exterior mirror on the front-passenger
side reduces the size of the image. Visible
objects are actually closer than they appear.
This means that you could misjudge the dis-
tance from road users traveling behind, e.g.
when changing lane. There is a risk of an acci-dent.
For this reason, always make sure of the
actual distance from the road users traveling
behind by glancing over your shoulder.
X Turn the SmartKey to position 1or 2in the
ignition lock ( Ypage 135).
X Press button :for the left-hand exterior
mirror or button ;for the right-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 =as long
as the indicator lamp is lit.
X Press adjustment button =up, down, or to
the left or right until you have adjusted the
exterior mirror to the correct position. You
should have a good overview of traffic con- ditions.
The convex exterior mirrors provide a larger
field of vision.
After the engine has been started, the exte-
rior mirrors are automatically heated at low
outside temperatures. Heating takes a maxi-
mum of ten minutes.
iYou can also heat up the exterior mirrors
manually by switching on the rear window
defroster.
Folding the exterior mirrors in or out
electrically
This function is only available in Canada.
98Mirrors
Seats, steering wheel and mirrors

XApply a screwdriver to lamp lens :from
the outside.
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 collected 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 wind-
shield wipers.
!If the windshield wipers leave smears on
the windshield after the vehicle has been
washed in an automatic car wash, wax or
other residues 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
2ÄIntermittent wipe, low (rain sensor
set to low sensitivity)
3Å Intermittent wipe, high (rain sensor
set to high sensitivity)
4° Continuous wipe, slow
5¯Continuous wipe, fast
BíSingle wipe/ îWipes 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 wind-
shield becomes dirty in dry weather condi-
tions, the windshield wipers may be activa-
ted inadvertently. 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 Äor
Å position, the appropriate wiping fre-
quency is automatically set according to the
intensity of the rain. In the Åposition, the
rain sensor is more sensitive than in the Ä
position, causing the windshield wiper to wipe
more frequently.
If the wiper blades are worn, the windshield
will no longer be wiped properly. This could
prevent you from observing the traffic condi-
tions.
Switching the rear window wiper on/
off
Combination switch :
è Switch
2ôWipes with washer fluid
3ISwitches on intermittent wiping
114Windshield wipers
Lights and windshield wipers

40Switches off intermittent wiping
5ô Wipes with washer fluid
X Switch on the ignition.
X Turn switch :on the combination switch
to the corresponding position.
Vehicles with a black and white multi-
function display: when the rear window
wiper is switched on, the èsymbol
appears in the status overview in the instru- ment cluster. Further information on the
status overview ( Ypage 201).
Vehicles with a color multifunction dis-
play: when the rear window wiper is
switched on, the èsymbol appears in
the assistance graphic in the instrument
cluster. Further information on the assis-
tance graphic ( Ypage 202).
Replacing the wiper blades
Important safety notes
GWARNING
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 wind-
shield/rear window.
Never fold a windshield wiper arm without a
wiper blade back onto the windshield/rear window.
Hold the windshield wiper arm firmly whenyou change the wiper blade. If you release
the wiper arm without a wiper blade and it
falls onto the windshield/rear window, the
windshield/rear window may be damaged
by the force of the impact. Mercedes-Benz recommends that you have
the wiper blades changed at a qualified
specialist workshop.
Changing the windshield wiper blades
Removing the wiper blades
X Remove the SmartKey from the ignition
lock.
X Fold the wiper arm away from the wind-
shield.
XPress both release clips ;.
X Fold wiper blade :in the direction of
arrow =away from wiper arm ?.
X Remove wiper blade :in the direction of
arrow A.
Installing the wiper blades
X Position new wiper blade :with recess B
on lug A.
X Fold wiper blade :in the direction of
arrow =onto the wiper arm, until retaining
clips ;engage in bracket ?.
Windshield wipers115
Lights and windshield wipers
Z

XMake sure that wiper blade :is seated
correctly.
X Fold the wiper arm back onto the wind- shield.
Replacing the rear window wiper blade
Removing a wiper blade
XRemove the SmartKey from the ignition lock.
X Fold wiper arm :away from the rear win-
dow 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
correctly.
X Position wiper blade ;parallel to wiper
arm :.
X Fold wiper arm :back onto the rear win-
dow.
116Windshield wipers
Lights and windshield wipers

Useful information
iThis Operator's Manual describes all
models and all standard and optional equip- ment of your vehicle available at the time of
publication of the Operator's Manual.
Country-specific differences are possible.
Please note that your vehicle may not be
equipped with all features described. This
also applies to safety-related systems and
functions.
iRead the information on qualified special-
ist workshops ( Ypage 24).
Overview of climate control systems
General notes
Observe the settings recommended on the
following pages. The windows could other-
wise fog up.
To prevent the windows from fogging up:
R switch off climate control only briefly
R switch on air-recirculation mode only briefly
R switch on the cooling with air dehumidifi-
cation function
R switch on the defrost windshield function
briefly, if required
The air-conditioning system/dual-zone auto-
matic climate control regulates the tempera- ture and the humidity of the vehicle interior
and filters out undesirable substances from
the air.
The air-conditioning system/dual-zone auto-
matic climate control can only be operated
when the engine is running. Optimum opera-
tion is only achieved with the side windows
and panorama roof with power tilt/sliding
panel closed.
The residual heat function can only be acti-
vated or deactivated with the ignition
switched off ( Ypage 130).
Always keep the ventilation flaps behind the
side paneling in the cargo compartment clear. Otherwise the vehicle will not be ventilated
correctly.
iVentilate the vehicle for a brief period
during warm weather, e.g. using the con-
venience opening feature ( Ypage 82). This
will speed up the cooling process and the
desired interior temperature will be
reached more quickly.
iThe integrated filter filters out most par-
ticles of dust and soot and completely fil-
ters out pollen. It also reduces gaseous pol- lutants and odors. A clogged filter reduces
the amount of air supplied to the vehicle
interior. For this reason, you should always observe the interval for replacing the filter, which is specified in the Maintenance
Booklet. As it depends on environmental
conditions, e.g. heavy air pollution, the
interval may be shorter than stated in the
Maintenance Booklet.
iIt is possible that under certain circum-
stances the residual heat function may be
activated automatically an hour after the
SmartKey has been removed in order to dry the automatic climate control. The vehicle
is then ventilated for 30 minutes.
120Overview of climate control systems
Climate control

Air-conditioning system control panel
:Sets the temperature (Ypage 126)
;Defrosts the windshield ( Ypage 128)
=Sets the air distribution ( Ypage 127)
?Activates/deactivates air-recirculation mode ( Ypage 130)
ASets the airflow ( Ypage 127)
BSwitches cooling with air dehumidification on/off ( Ypage 124)
CSwitches the rear window defroster on/off ( Ypage 129)
Notes on using the air-conditioning
system
Air-conditioning system
Below, you can find a number of notes and
recommendations to help you use the air-
conditioning system optimally.
R Switch on the air-conditioning system by
turning control knob Aclockwise to the
desired position (except position 0).
R Set the temperature to 22 †.
R Recommendation for avoiding misted
windows at low exterior temperatures
or in rain: switch on the ¿cooling with
dehumidification function ( Ypage 124).
Set air distribution to ¯and if possible
switch off PandO (Y page 127).
Deactivate air-recirculation mode e
( Y page 130). Set airflow control
Ato a setting between
3 and 6(Y page 127).
R Recommendation for rapid cooling or
heating of the vehicle interior: briefly set
airflow control Ato a setting between 3
and 6(Y page 127).
R Recommendation for a constant vehi-
cle interior temperature: set airflow con-
trol Ato a setting between 1and 3
( Y page 127).
R Recommendation for air distribution in
winter: select the Oand¯ settings
( Y page 127).
Recommendation for air distribution in
summer: select the PorP and
¯ settings ( Ypage 127).
R Only use the "Windshield defrosting" func-
tion briefly until the windshield is clear
again.
Overview of climate control systems121
Climate cont rol