2015 MERCEDES-BENZ B-CLASS SPORTS alarm

1, 2, 3 ...
4ETS (Electronic Traction System)see ETS/4ETS (Electronic Trac-
tion System)
4MATIC
Display message ............................ 232
4MATIC (permanent four-wheel
drive) .................................................. 172
12 V socket
see Sockets
A
ABS (Anti-lock Braking System)Display message ............................ 208
Function/notes ................................ 61
Important safety notes .................... 61
Warning lamp ................................ .238
Accident
Automatic measures after an acci-
dent ................................................. 54
Activating/deactivating cooling
with air dehumidification ................. 124
Active Parking Assist
Detecting parking spaces .............. 176
Display message ............................ 227
Exiting a parking space .................. 178
Function/notes ............................ .175
Important safety notes .................. 175
Parking .......................................... 177
ADAPTIVE BRAKE ................................. 66
Adaptive Brake Assist
Function/notes ................................ 63
Adaptive Highbeam Assist
Function/notes ............................ .107
Switching on/off ........................... 108
Additional speedometer ................... 204
Additives (engine oil) ........................ 338
Air bag
Occupant Classification System
(OCS) ............................................... 47
Air bags
Deployment ..................................... 52
Display message ............................ 218
Front air bag (driver, front
passenger) ....................................... 45
Important safety notes .................... 44 Introduction ..................................... 44
Knee bag .......................................... 46
PASSENGER AIR BAG indicator
lamps ............................................... 39
Side impact air bag .......................... 46
Window curtain air bag .................... 46
Air vents
Important safety notes .................. 131
Rear ............................................... 132
Setting the center air vents ........... 131
Setting the side air vents .............. .131
Air-conditioning system
see Climate control
Alarm
ATA (Anti-Theft Alarm system) ......... 67
Switching off (ATA) .......................... 67
Switching the function on/off
(ATA) ................................................ 67
Animals in the vehicle ......................... 60
Ashtray ............................................... 261
Assistance display (on-board com- puter) ................................................. .202
Assistance menu (on-board com-puter) ................................................. .201
ASSYST PLUS
Displaying a service message ....... .275
Driving abroad ............................... 275
Hiding a service message .............. 274
Information about Service ............. 275
Resetting the service interval dis-pla y................................................ 275
Service message ............................ 274
Special service requirements ......... 275
ATA (Anti-Theft Alarm system)
Activating/deactivating ................... 67
Function ........................................... 67
Switching off the alarm .................... 67
ATTENTION ASSIST
Activating/deactivating ................. 203
Display message ............................ 225
Function/note s............................. 183
Audio menu (on-board computer) .... 199
Audio system
see separate operating instructions
Authorized Mercedes-Benz Center
see Qualified specialist workshop
4Index

Message memory .......................... 207
Navigation menu ............................197
Operation ....................................... 193
Service menu ................................. 204
Settings menu ............................... 204
Standard displa y............................ 196
Telephone menu ............................ 200
Trip menu ...................................... 196
Vehicle submenu ........................... 205
Video DVD operation ..................... 200
Operating safety
Declaration of conformity ................ 23
Important safety notes .................... 22
Operating system
see On-board computer
Operator's Manual
Vehicle equipment ........................... 21
Outside temperature display ........... 193
Overhead control panel ...................... 35
Override feature
Rear side window s........................... 60
P
Paint code number ............................ 334
Paintwork (cleaning instructions) ... 277
Panic alarm .......................................... 38
Panorama roof with power tilt/
sliding panel
Important safety notes .................... 85
Operating ......................................... 86
Problem (malfunction) ..................... 89
Parking
Important safety notes .................. 152
Parking brake ................................ 153
Position of exterior mirror, front-
passenger side ............................... 100
Rear view camera .......................... 180
see Active Parking Assist
see PARKTRONIC
Parking aid
Active Parking Assist ..................... 175
see Exterior mirrors
see PARKTRONIC
Parking brake
Display message ............................ 211
Electric parking brake .................... 153
Warning lamp ................................. 243 Parking lamps
Switching on/of f........................... 106
PARKTRONIC
Deactivating/activating ................. 174
Driving system ............................... 172
Function/note s............................. 172
Important safety notes .................. 172
Problem (malfunction) ................... 175
Range of the sensors ..................... 173
Warning display ............................. 173
PASSENGER AIR BAG
Display message ............................ 218
Indicator lamps ................................ 39
PASSENGER AIRBAG
Problems (malfunction) .................. 218
Pets in the vehicle ............................... 60
Plastic trim (cleaning instruc-
tions) .................................................. 280
Power washers .................................. 277
Power windows
see Side windows
Program selector button .................. 147
Protection against theft
ATA (Anti-Theft Alarm system )......... 67
Immobilizer ...................................... 67
Protection of the environment
General notes .................................. 20
Pulling away
Automatic transmission ................. 138
Hill start assist ............................... 138
Q
QR codeMercedes-Benz Guide App ................. 1
Rescue card ..................................... 25
Qualified specialist workshop ........... 24
R
Radio
Selecting a station ......................... 199
see separate operating instructions
Radio-wave reception/transmis-
sion in the vehicle
Declaration of conformity ................ 23
Rain closing feature (panorama
roof with power tilt/sliding panel) .... 87
Index13

Useful information..............................38
Panic alarm .......................................... 38
Occupant safety .................................. 38
Children in the vehicle ........................54
Pets in the vehicle ............................... 60
Driving safety systems .......................60
Protection against theft .....................67
37
Safety

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).
Panic alarm
X
To activate: press and hold the
! button :for approx. one second.
A visual and audible alarm is triggered if the alarm system is armed.
X To deactivate: press!button :
again.
or
X Insert the SmartKey into the ignition lock.
or, in vehicles with KEYLESS-GO start-func-
tion or KEYLESS

This steering assistance is provided in partic-
ular if:
R both right wheels or both left wheels are on
a wet or slippery road surface when you brake.
R the vehicle starts to skid.
Important safety notes
iObserve the "Important safety notes" sec-
tion ( Ypage 60).
No steering assistance is provided from
STEER CONTROL, if: R ESP ®
is malfunctioning.
R the lighting is faulty.
If ESP ®
is malfunctioning, you will be assisted
further by the electrical power steering.
Protection against theft
Immobilizer
The immobilizer prevents your vehicle from
being started without the correct SmartKey.
X To activate with the SmartKey: remove
the SmartKey from the ignition lock.
X To activate with KEYLESS-GO start-
function or KEYLESS-GO: switch the igni-
tion off and open the driver's door.
X To deactivate: switch on the ignition.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Any-
one can start the engine if a valid SmartKey
has been left inside the vehicle.
iThe immobilizer is always deactivated
when you start the engine.
In the event that the engine cannot be star-
ted (yet the vehicle's battery is charged),
the system is not operational. Contact an
authorized Mercedes-Benz Center or call
1-800-FOR-MERCedes (in the USA) or
1-800-387-0100 (in Canada).
ATA (anti-theft alarm system)
X To arm: lock the vehicle with the SmartKey
or KEYLESS-GO.
Indicator lamp :flashes. The alarm sys-
tem is armed after approximately
15 seconds.
X To disarm: unlock the vehicle with the
SmartKey or KEYLESS-GO.
or X Insert the SmartKey into the ignition lock.
A visual and audible alarm is triggered if the
alarm system is armed and you open: R a door
R the vehicle with the mechanical key
R the tailgate
R the hood
X To turn the alarm off with the SmartKey:
press the %or& button on the
SmartKey.
The alarm is switched off.
or
X Vehicles with KEYLESS-GO start-func-
tion or KEYLESS-GO: remove the Start/
Stop button from the ignition lock ( Y page 135).
X Insert the SmartKey into the ignition lock.
The alarm is switched off.
Protection against theft67
Safety
Z

XTo stop the alarm using KEYLESS-GO:
grasp the outside door handle. The Smart-
Key must be outside the vehicle.
The alarm is switched off.
or X Press the Start/Stop button on the dash-
board. The SmartKey must be inside the
vehicle.
The alarm is switched off.
The alarm is not switched off, even if you
close the open door that triggered it, for
example.
iIf the alarm continues for more than
30 seconds, the mbrace emergency call
system automatically notifies the Cus-
tomer Assistance Center. This is done
either by text message or data connection.
The emergency call system sends the mes- sage or data provided that: R you have subscribed to the mbrace ser-
vice.
R the mbrace service has been activated
properly.
R the necessary mobile phone network is
available.
68Protection against theft
Safety

Deactivating and activating
If you do not intend to use the vehicle for a
longer period of time, you can deactivate KEY-
LESS-GO. The SmartKey will then use very lit- tle power, thereby conserving battery power.
For the purposes of activation/deactivation,
the vehicle must not be nearby. X To deactivate: press the&button on
the SmartKey twice in rapid succession.
The battery check lamp of the SmartKey( Y page 73) lights up twice briefly and
KEYLESS-GO is deactivated.
X To activate: press any button on the
SmartKey or insert the SmartKey into the
ignition lock.
KEYLESS-GO and all of its associated fea-
tures are available again.
KEYLESS-GO start function
Bear in mind that the engine can be started by any of the vehicle occupants if there is a
SmartKey in the vehicle.
Changing the settings of the locking
system
You can change the settings of the locking
system. This means that only the driver's doorand the fuel filler flap are unlocked when the
vehicle is unlocked. This is useful if you fre-
quently travel on your own.
X To change the setting: simultaneously
press the %and& buttons for
approximately 6 seconds until the battery
check lamp ( Ypage 73) flashes twice.
iIf the setting of the locking system is
changed within the signal range of the vehi- cle, pressing the &or% button:
R locks or
R unlocks the vehicle The SmartKey now functions as follows:
X To unlock the driver's door: press the
% button once.
X To unlock centrally: press the%but-
ton twice.
X To lock centrally: press the&button.
The KEYLESS-GO function is changed as fol-
lows:
X To unlock the driver's door: touch the
inner surface of the door handle on the
driver's door.
X To unlock centrally: touch the inner sur-
face of the door handle on the front-
passenger door or the rear door.
X To lock centrally: touch the outer sensor
surface on one of the door handles.
X To restore the factory settings: simulta-
neously press the %and& buttons
for approximately 6 seconds until the bat-
tery check lamp flashes twice( Y page 73).
Mechanical key
General notes
If the vehicle can no longer be locked or
unlocked with the SmartKey or KEYLESS-GO, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door or the trunk lid, the
anti-theft alarm system will be triggered( Y page 67).
There are several ways to turn off the alarm:
X To turn the alarm off with the SmartKey:
press the %or& button on the
SmartKey.
or X Insert the SmartKey into the ignition lock.
or
X To deactivate the alarm with KEYLESS- GO: press the Start/Stop button in the igni-
72SmartKey
Opening and closing

ProblemPossible causes/consequences andMSolutions
You have lost a Smart- Key.X
Have the SmartKey deactivated at a qualified specialist work- shop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well.
You have lost the
mechanical key.XReport the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well.
Doors
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shifting the automatic transmission out of
park position P
R Start the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
You should preferably place luggage or loads in the cargo compartment. Observe the load-
ing guidelines ( Ypage 248).
Unlocking and opening doors from
the inside
X
To unlock and open a front door: pull
door handle ;.
If the door is locked, locking knob :pops
up. The door is unlocked and opens.
X To unlock a rear door: pull up locking
knob :.
The door is unlocked and can be opened.
X To open a rear door: pull door handle;.
You can open a door from inside the vehicle
even if it has been locked. You can only open the rear doors from inside the vehicle if they
are not secured by the child-proof locks( Y page 59).
If the vehicle has previously been locked with
the SmartKey from the outside, opening a
door from the inside will trigger the anti-theft alarm system. Switch off the alarm( Y page 67).
Doors77
Opening and closing
Z