2015 MERCEDES-BENZ B-Class ELECTRIC buttons

B
Backup lamp Changing bulb s.............................. 109
Display message ............................ 216
Bag hook ............................................ 245
BAS (Brake Assist System) ................. 63
Battery (SmartKey)
Checking .......................................... 75
Important safety notes .................... 75
Replacing ......................................... 75
Battery (vehicle)
Charging ........................................ 287
Display message ............................ 217
Important safety notes .................. 285
Jump starting ................................. 290
Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 195
Display message ............................ 219
Notes/function .............................. 177
Brake fluid
Display message ............................ 208
Notes ............................................. 332
Brake force distribution
see EBD (electronic brake force
distribution)
Brake lamps
Display message ............................ 215
Brake system
Driving safety systems ..................... 68
Brakes
ABS .................................................. 63
Adaptive Brake Assist ...................... 65
BAS .................................................. 63
Brake fluid (notes) ......................... 332
Display message ............................ 201
EBD .................................................. 68
Hill start assist ............................... 134
HOLD function ............................... 163
Important safety notes .................. 158
Maintenance .................................. 159
Parking brake ................................ 155
Riding tips ...................................... 158
Warning lamp ................................. 229
Breakdown
Towing away .................................. 292
see Flat tire Brightness control (instrument
cluster lighting)
................................... 31
Buttons on the steering wheel ......... 184 C
California Important notice for retail cus-
tomers and lessees .......................... 21
Calling up a malfunction
see Display messages
Care
Car wash ........................................ 272
Carpets .......................................... 278
Display ........................................... 276
Exterior lights ................................ 275
Gear or selector lever .................... 277
Interior ........................................... 276
Matte finish ................................... 274
Note s............................................. 272
Paint .............................................. 273
Plastic trim .................................... 276
Power washer ................................ 273
Rear view camera .......................... 276
Roof lining ...................................... 278
Seat belt ........................................ 278
Seat cove r..................................... 277
Sensors ......................................... 275
Steering wheel ............................... 277
Trim pieces .................................... 277
Washing by hand ........................... 273
Wheels ........................................... 274
Windows ........................................ 274
Wiper blades .................................. 275
Wooden trim .................................. 277
Cargo compartment cover
Important safety notes .................. 246
Installing/removing ....................... 246
Notes/how to use ......................... 246
Cargo compartment enlargement ... 244
Cargo compartment floor
Height adjustment ......................... 248
Important safety notes .................. 247
Opening/closing ............................ 248
Stowage well (under )..................... 247
Cargo net
Attaching ....................................... 247
Important safety information ......... 246 Index
5

Problem (malfunction) ..................... 77
SmartKey positions (ignition lock) .. 131
Snow chains ...................................... 303
Sockets
Center console .............................. 252
General notes ................................ 252
Luggage compartment ...................2 53
Rear compartment ......................... 253
Special seat belt retractor .................. 57
Specialist workshop ............................ 25
Speed, controlling
see Cruise control
Speedometer
Activating/deactivating the addi-
tional speedometer ........................ 198
Digital ............................................ 189
In the Instrument cluster ................. 31
Selecting the unit of measure-
ment .............................................. 197
Standing lamps
Changing bulbs .............................. 108
Display message ............................ 216
Switching on/off ........................... 101
Start/Stop button
Removing ....................................... 132
Starting the drive system .............. .133
Starting (vehicle) ............................... 132
STEER CONTROL .................................. 68
Steering (display message) .............. 225
Steering assistant STEER CON-
TROL
see STEER CONTROL
Steering wheel
Adjusting (manually) ........................ 93
Button overview ............................... 33
Buttons (on-board computer) ......... 184
Cleaning ......................................... 277
Important safety notes .................... 93
Paddle shifters ............................... 138
Steering wheel paddle shifters ........ 138
Stowage compartments
Armrest (front) ............................... 241
Armrest (under) ............................. 242
Center console .............................. 241
Center console (rear) ..................... 242
Cup holders ................................... 249
Eyeglasses compartment ............... 241 Glove box ....................................... 241
Important safety information ......... 240
Map pockets .................................. 243
Stowage net ................................... 243
Under driver's seat/front-
passenger sea
t.............................. 242
Stowage net ....................................... 243
Summer tires ..................................... 302
Sun visor ............................................ 251
Switching air-recirculation mode
on/off ................................................. 123 T
Tail lamps see Lights
Tailgate
Display message ............................ 224
Emergency unlocking ....................... 82
Important safety notes .................... 81
Opening dimensions ...................... 334
Opening/closing (from outside) ....... 82
Technical data
Capacities ...................................... 331
Information .................................... 330
Tires/wheels ................................. 325
Vehicle data ................................... 334
Telephone
Accepting a call (multifunction
steering wheel) .............................. 192
Display message ............................ 225
Introduction ................................... 192
Menu (on-board computer) ............ 192
Number from the phone book ........ 192
Redialing ........................................ 193
Rejecting/ending a call ................. 192
Temperature
Outside temperature ...................... 183
Setting (climate control )................ 120
Through-loading feature ................... 243
Tire pressure
Calling up (on-board computer) ..... 307
Checking manually ........................ 307
Display message ............................ 221
Important safety notes .................. 307
Maximum ....................................... 306
Not reached (TIREFIT) .................... 284
Note s............................................. 305 Index
15

Overhead control panel
Function Page
:
u
Switches the rear
interior lighting on/off 105
;
p
Switches the right-
hand reading lamp on/off 105
=
|
Switches the front
interior lighting/automatic
interior lighting control off 105
?
ï
MB Info call button
(mbrace system) 256
A
Rear-view mirror 94
B
Sets the compass 264
C
Buttons for the garage door
opener 262 Function Page
D
F
Roadside Assistance
call button (mbrace sys-
tem) 255
E
G
SOS button (mbrace
system) 254
F
Eyeglasses compartment 241
G
c
Switches the front
interior lighting on 105
H
p
Switches the left-
hand reading lamp on/off 105Overhead control panel
37At a glance

Child-proof locks for the rear doors
You secure each door individually with the
child-proof locks on the rear doors. A door
secured with a child-proof lock cannot be
opened from inside the vehicle. When the
vehicle is unlocked, the door can be opened
from the outside.
X To activate: press the child-proof lock
lever up in the direction of arrow :.
X Make sure that the child-proof locks are
working properly.
X To deactivate: press the child-proof lock
lever down in the direction of arrow ;.
Override feature for the rear side win-
dows X
To enable/disable: press button:.
If indicator lamp ;is lit, operation of the
rear side windows is disabled. Operation is
only possible using the switches in the driv- er's door. If indicator lamp ;is off, oper-
ation is possible using the switches in the
rear compartment. Pets in the vehicle
G
WARNING
If you leave animals unattended or unsecured in the vehicle, they could press buttons or
switches, for example.
As a result, they could:
R activate vehicle equipment and become
trapped, for example
R activate or deactivate systems, thereby
endangering other road users
Unsecured animals could also be flung around
the vehicle in the event of an accident or sud- den steering or braking, thereby injuring vehi-
cle occupants. There is a risk of an accident
and injury.
Never leave animals unattended in the vehi-
cle. Always secure animals properly during
the journey, e.g. use a suitable animal trans-
port box. Driving safety systems
Overview of driving safety systems
In this section, you will find information about the following driving safety systems:
R ABS (Anti-lock BrakingSystem)
(Y page 63)
R BAS (Brake AssistSystem) (Y page 63)
R COLLISION PREVENTION ASSIST PLUS
(Y page 64)
R ESP ®
(Electronic StabilityProgram)
(Y page 66)
R EBD (Electronic Brake forceDistribution)
(Y page 68)
R ADAPTIVE BRAKE (Y page 68)
R STEER CONTROL (Y page 68) Important safety notes
If you fail to adapt your driving style or if you
are inattentive, the driving safety systems can
neither reduce the risk of an accident nor 62
Driving safety systemsSafety

X
To deactivate: press the&button on
the SmartKey twice in rapid succession.
The battery check lamp of the SmartKey
(Y page 75) 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 door and the charge socket flap are unlocked when the vehicle is unlocked. This is useful if you
frequently travel on your own.
X To change the setting: simultaneously
press the %and& buttons for
approximately 6 seconds until the battery
check lamp (Y page 75) flashes twice.
i If 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 75). 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 69).
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-
tion lock. The SmartKey must be in the
vehicle.
or X Lock or unlock the vehicle using KEYLESS-
GO. The SmartKey must be outside the
vehicle. 74
SmartKeyOpening and closing

X
Press mechanical key ;into the opening
in the SmartKey in the direction of the
arrow until battery tray cover :opens.
When doing so, do not hold cover :shut.
X Remove battery tray cover :.X
Repeatedly tap the SmartKey against your
palm until battery =falls out.
X Insert the new battery with the positive ter-
minal facing upwards. Use a lint-free cloth
to do so.
X Make sure that the surface of the battery is
free of lint, grease and other contaminants.
X Insert the front tabs of battery tray cover :
and then press to close it.
X Insert mechanical key into the SmartKey
(Y page 75).
X Check the function of all SmartKey buttons
on the vehicle. 76
SmartKeyOpening and closing

Centrally locking and unlocking the
vehicle from the inside
You can centrally lock or unlock the vehicle
from the inside. This can be useful if you wish to lock the vehicle before pulling away, for
example. X
To unlock: press button :.
X To lock: press button ;.
If all the doors and the tailgate are closed,
the vehicle locks.
This does not lock or unlock the charge
socket flap.
You cannot unlock the vehicle centrally from
the inside if the vehicle has been locked with the SmartKey or KEYLESS-GO.
You can open a door from inside the vehicle
even if it has been locked. You can open the
rear doors from inside the vehicle unless they
are secured by the child-proof lock
(Y page 62).
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 69).
If a locked door is opened from the inside, the previous unlock status of the vehicle will be
taken into consideration if:
R the vehicle was locked using the locking
button for the central locking, or
R if the vehicle was locked automatically
The vehicle will be fully unlocked if it had pre- viously been fully unlocked. If only the driver's
door had been previously unlocked, only the door which has been opened from the inside
is unlocked. Automatic locking feature
X
To deactivate: press and hold button :
for about five seconds until a tone sounds.
X To activate: press and hold button ;for
about five seconds until a tone sounds.
i If you press one of the two buttons and do
not hear a tone, the relevant setting has
already been selected.
The vehicle is locked automatically when the
ignition is switched on and the wheels are
turning.
You could therefore lock yourself out if:
R the vehicle is being pushed.
R the vehicle is being towed.
R the vehicle is on a roller dynamometer.
You can also switch the automatic locking
function on and off using the on-board com-
puter (Y page 198). Unlocking the driver's door (mechan-
ical key)
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, the anti-theft alarm
system will be triggered (Y page 69).80
DoorsOpening and closing

The seat belt should:
R fit snugly across your body
R be routed across the middle of your
shoulder
R be routed in your pelvic area across the
hip joints
X Before starting off, adjust the rear-view mir-
ror and the exterior mirrors (Y page 94) in
such a way that you have a good view of
road and traffic conditions.
X Vehicles with a memory function: save
the seat and exterior mirror settings
(Y page 96). Seats
Important safety notes
G
WARNING
Children could become trapped if they adjust the seats, particularly when unattended.
There is a risk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never leave children unsupervised in the vehicle.
The seats can still be adjusted when there is
no SmartKey in the ignition lock. G
WARNING
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the seat guide rail. There is a risk of injury.
Make sure when adjusting a seat that no one
has any body parts in the sweep of the seat.
Observe the safety notes on "Air bags"
(Y page 46) and "Children in the vehicle"
(Y page 56). G
WARNING
If the driver's seat is not engaged, it could
move unexpectedly while the vehicle is in
motion. This could cause you to lose control of the vehicle. There is a risk of an accident. Always make sure that the driver's seat is
engaged before starting the vehicle.
G
WARNING
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 vehicle's drive system. G
WARNING
If you adjust the seat height carelessly, you or other vehicle occupants could be trapped andthereby injured. Children in particular could
accidentally press the electrical seat adjust-
ment buttons and become trapped. There is a
risk of injury.
While moving the seats, make sure that your
hands or other body parts do not get under the
lever assembly of the seat adjustment sys-
tem.
! To avoid damage to the seats and the seat
heating, observe the following information:
R keep liquids from spilling on the seats. If
liquid is spilled on the seats, dry them as soon as possible.
R if the seat covers are damp or wet, do not
switch on the seat heating. The seat
heating should also not be used to dry
the seats.
R clean the seat covers as recommended;
see the "Interior care" section.
R do not transport heavy loads on the
seats. Do not place sharp objects on the seat cushions, e.g. knives, nails or tools.
The seats should only be occupied by
passengers, if possible.
R when the seat heating is in operation, do
not cover the seats with insulating mate- Seats
89Seats, steering wheel and mirrors Z