2013 MERCEDES-BENZ B-CLASS SPORTS warning light

X
To deactivate: pressaagain.
The å warning lamp in the instrument
cluster lights up.
X To activate: pressaagain.
The å warning lamp in the instrument
cluster goes out.
Switching the distance warning
function on and off X
Press the =or; button on the
steering wheel to select the DriveAssistmenu.
X Press 9or: to select Dist. Warning .
X Press the abutton.
The current selection is displayed.
X To activate/deactivate: press thea
button again.
Whe nthe distance warning function is
activated, the multifunction display shows
the Ä symbol if the HOLD function is not
activated (Y page 160).
Vehicles with Active Parking Assist: if
PARKTRONIC is activated and you are driving
at a speed under 22 mph (35 km/h), the j
Active Parking Assist symbol is shown instead
of the Äsymbol (Y page 164).
Further information on the distance warning
function (Y page 60).
Activating/deactivating ATTENTION
ASSIST X
Press the =or; button on the
steering wheel to select the DriveAssistmenu.
X Press the 9or: button to select
Attention Asst. .
X Press the abutton.
The current selection is displayed.
X To activate/deactivate: press thea
button again. When ATTENTION ASSIST (Y
page 171) is
activated, the Àsymbol appears in the
multifunction display when the ignition is on.
Activating/deactivating Blind Spot
Assist X
Press the =or; button on the
steering wheel to select the DriveAssist menu.
X Press the 9or: button to select
Blind Spot Asst. .
X Press the abutton.
The current selection is displayed.
X To activate/deactivate: press thea
button again.
For further information about Blind Spot
Assist, see (Y page 173).
When the Blind Spot Assist: Sensors Deactivated message is shown, the radar
sensors are deactivated.
X Switch on the radar sensor system
(Y page 192).
Activating/deactivating Lane Keeping
Assist X
Press the =or; button on the
steering wheel to select the DriveAssist menu.
X Press the 9or: button to select
Lane Keep. Asst. .
X Press the abutton.
The current selection is displayed.
X Press ato confirm.
X Press the :or9 button to set Off ,
Standard or
Adaptive .
X Press the abutton to save the setting.
If Lane Keeping Assist (Y page 174) is
activated and the ignition is switched on, the
à symbol appears in the multifunction
display. 188
Menus and submenusOn-board computer and displays

Service menu
In the
Serv. menu, you have the following
options:
R call up display messages in the message
memory (Y page 193)
R restart the tire pressure loss warning
system (Y page 299)
R call up when a service is due
(Y page 264) Settings menu
Introduction In the
Sett. menu, you have the following
options:
R change the instrument cluster settings
R change the light settings
R change the vehicle settings
R change the convenience settings
R restore the factory settings Instrument cluster Selecting the unit of measurement for
distance
You can determine whether the multifunction
display shows some messages in miles or
kilometers.
X
Press the =or; button on the
steering wheel to select the Sett. menu.
X Press the :or9 button to select the
Instr. Cluster submenu.
X Press ato confirm.
X Press the :or9 button to select the
Display Unit Speed-/Odometer: function.
You will see the selected setting:
km or
miles .
X Press the abutton to save the setting.
The selected unit of measurement for
distance applies to:
R the digital speedometer in the Trip menu
R the odometer and the trip odometer
R the trip computer
R the current consumption and the range
R the navigation instructions in the Navi menu
R cruise control
R DISTRONIC PLUS
R ASSYST PLUS service interval display
Switching the additional speedometer on
or off
Only vehicles with manual transmission have
this function.
X Press the =or; button on the
steering wheel to select the Sett. menu.
X Press the :or9 button to select the
Instr. Cluster submenu.
X Press ato confirm. Menus and submenus
189On-board computer and displays Z

Safety systems
Display messages Possible causes/consequences and
M Solutions
!÷
Currently
Unavailable See
Operator's Manual ABS (Anti-lock Braking System), ESP
®
(Electronic Stability
Program), BAS (Brake Assist), PRE-SAFE ®
,t he HOLD function and
hill start assist are temporarily unavailable.
COLLISION PREVENTION ASSIST may also have failed.
In addition, the ÷,åand! warning lamps light up in
the instrument cluster.
ATTENTION ASSIST is deactivated.
Possible causes are:
R Self-diagnosis is not yet complete.
R The on-board voltage may be insufficient.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Carefully drive a short distance on a suitable stretch of road,
making slight steering movements at a speed above 12 mph
(20 km/h).
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
X Drive on carefully.
X Visit a qualified specialist workshop. !÷
Inoperative See
Operator's Manual ABS, ESP
®
, BAS, PRE-SAFE ®
, the HOLD function and hill start
assist are unavailable due to a malfunction.
COLLISION PREVENTION ASSIST may also have failed.
In addition, the J,÷,åand! warning lamps light
up in the instrument cluster.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example. 194
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP
®
is no toperational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. ÷
Currently
Unavailable See
Operator's Manual ESP
®
,B AS, PRE-SAFE ®
, the HOLD functio nand hill start assist are
temporarily unavailable.
COLLISION PREVENTION ASSIST may also have failed.
In addition, the ÷andå warning lamps light up in the
instrument cluster.
ATTENTION ASSIST is deactivated.
The self-diagnosis functio nmight not be complete, for example.
G WARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Carefully drive a shor tdistance on a suitable stretch of road,
making slight steering movements at a speed above 12 mph
(20 km/h).
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
X Drive on carefully.
X Visit a qualified specialist workshop. Display messages
195On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
÷
Inoperative See
Operator's Manual ESP
®
,B AS, PRE-SAFE ®
, the HOLD functio nand hill start assist are
unavailable due to a malfunction.
COLLISION PREVENTION ASSIST may also have failed.
In addition, the ÷andå warning lamps light up in the
instrument cluster.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continue sto function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Drive on carefully.
X Visit a qualified specialist workshop. T!
÷
Inoperative See
Operator's Manual EBD (electronic brake force distribution), ABS, ESP
®
, BAS, PRE-
SAFE ®
, the HOLD function and hill start assist are unavailable due
to a malfunction.
COLLISION PREVENTION ASSIST may also have failed.
In addition, the ÷,åand! warning lamps light up in
the instrument cluster and a warning tone sounds.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. 196
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
!
Please Release
Parking Brake The red
!indicato rlamp flashes and a warning tone sounds.
A condition for automatic release of the electric parking brake is
no tfulfilled ( Ypage 142).
You are driving with the electric parking brake applied.
X Release the electric parking brake manually. The red
!indicator lamp flashes and a warning tone sounds.
You are making an emergency stop using the electric parking
brake (Y page 142). !
Parking Brake See
Operator's Manual The yellow
!warning lamp lights up.
The electric parking brake is malfunctioning.
To apply:
X Switch the ignition off.
X Press the electric parking brake handle for at least te nseconds.
X Shift the transmission to P.
X Consult a qualified specialist workshop. The yellow
!warning lamp and the red !indicator lamp
are lit.
The electric parking brake is malfunctioning.
To release:
X Switch off the ignition and turn it back on.
X Release the electric parking brake manually.
or
X Release the electric parking brake automatically ( Ypage 142).
If the electric parking brake still cannot be released:
X Do not drive on.
X Consult a qualified specialist workshop. Display messages
197On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
The red
!indicato rlamp flashes and the yellow !warning
lamp is lit.
The electric parking brake is malfunctioning.
To release:
X Switch off the ignition and turn it back on.
X Release the electric parking brake manually.
To apply:
X Switch off the ignition and turn it back on.
X Apply the electric parking brake manually.
If the red !indicator lamp continues to flash:
X Do not drive on.
X Secure the vehicle against rolling away ( Ypage 313).
X Shift the transmission to P.
X Turn the fron twheels towards the curb.
X Consult a qualified specialist workshop. The yellow
!warning lamp lights up. The red !indicator
lamp flashes for about ten seconds after the electric parking brake
has been applied or released. It then goes out or remains lit.
The electric parking brake is malfunctioning.
X Switch off the ignition and turn it back on.
X Apply the electric parking brake.
If it is not possible to engage the electric parking brake:
X Shift the transmission to P.
X Visit a qualified specialist workshop.
If it is not possible to release the electric parking brake:
X Release the electric parking brake automatically (Y page 142).
If the electric parking brake still cannot be released:
X Consult a qualified specialist workshop. The yellow
!warning lamp lights up. If you manually apply or
release the electric parking brake, the red !indicator lamp
flashes.
The electric parking brake is malfunctioning. It is not possible to
apply the electric parking brake manually.
X Shift the transmission to Pas the electric parking brake is not
being applied automatically.
X Visit a qualified specialist workshop. 198
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
!
Parking Brake
Inoperative The yellow
!warning lamp lights up. The red !indicator
lamp flashes fo rabout ten seconds after the electric parking brake
has been applied or released. It then goes out or remains lit.
The electric parking brake is malfunctioning, e.g. because of
overvoltage or undervoltage.
X Remove the cause for the overvoltage or undervoltage, e.g. by
charging the battery or restarting the engine.
X Engage or release the electric parking brake.
If it remains impossible to apply or release the electric parking
brake:
X Switch off the ignition and turn it back on.
X Engage or release the electric parking brake.
If the electric parking brake still cannot be released:
X Consult a qualified specialist workshop. The display message is only shown while the vehicle is in motion.
The red
!indicator lamp flashes and the yellow !warning
lamp is lit.
It is not possible to apply the electric parking brake manually.
X Shift the transmission to P.
X Visit a qualified specialist workshop. !
Turn On the
Ignition to
Release the
Parking Brake The red
!indicator lamp is lit.
You attempted to release the electric parking brake while the
ignition was switched off.
X Turn the SmartKey to position 1in the ignition lock. Display messages
199On-board computer and displays Z