2015 MERCEDES-BENZ B-CLASS SPORTS display
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Display messagesPossible causes/consequences andMSolutions
Lane Keeping
Assist Currently
Unavailable See
Operator's Manual
Lane Keeping Assist is deactivated and temporarily inoperative.
Possible causes are: R
the windshield in the camera's field of vision is dirty.
R visibility is impaired due to heavy rain, snow or fog.
R there have been no lane markings for an extended period.
R the lane markings are worn, dark or covered, e.g. by dirt or snow.
When the causes stated above no longer apply, the display mes-
sage disappears.
Lane Keeping Assist is operational again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Ypage 152).
X Clean the windshield.
Lane Keeping
Assist Inoperative
Lane Keeping Assist is faulty.
X Visit a qualified specialist workshop.
Blind Spot Assist
Currently UnavailZ
able See OperaZ
tor's Manual
Blind Spot Assist is temporarily inoperative. Possible causes are:
R function is impaired due to heavy rain or snow.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
R the radar sensor system is outside the operating temperature
range.
The yellow 9indicator lamps also light up in the exterior mir-
rors.
When the causes stated above no longer apply, the display mes-
sage disappears.
Blind Spot Assist is operational again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Ypage 152).
X Restart the engine.
Blind Spot Assist
Inoperative
Blind Spot Assist is defective.
The yellow 9indicator lamps also light up in the exterior mir-
rors. X Visit a qualified specialist workshop.
226Display messages
On-board computer and displays
Page 229 of 346
Display messagesPossible causes/consequences andMSolutions
Park Assist CanZ
celed
The driver's door is open and the driver's seat belt has not been
fastened. X
Repeat the parking process with the seat belt fastened and the
driver's door closed.
You have inadvertently touched the multifunction steering wheel
while steering intervention was active.
X While steering intervention is active, make sure that the multi-
function steering wheel is not touched unintentionally.
The vehicle has started to skid and ESP ®
has intervened.
X Use Active Parking Assist again later ( Ypage 175).
ParkAssistInoperZ
ative
You have just carried out a large number of turning or parking
maneuvers.
Active Parking Assist will become available again after approx-
imately ten minutes ( Ypage 175).
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Switch off and restart the engine.
If the display message continues to be displayed: X Visit a qualified specialist workshop.
PARKTRONIC is defective.
X Visit a qualified specialist workshop.
Park Assist FinZ
ished
The vehicle is parked. A warning tone also sounds.
The display message disappears automatically.
DISTRONIC PLUS OffDISTRONIC PLUS has been deactivated ( Ypage 163).
If it was not deactivated by the driver, a warning tone also sounds.
DISTRONICPLUSNow
Available
DISTRONIC PLUS is operational again after having been tempo-
rarily unavailable. You can now reactivate DISTRONIC PLUS( Y page 163).
Display messages227
On-board computer and displays
Z
Page 230 of 346
Display messagesPossible causes/consequences andMSolutions
DISTRONICPLUSCurZ
rentlyUnavailable
SeeOperator'sManZ
ual
DISTRONIC PLUS is temporarily inoperative.
Possible causes are: R
function is impaired due to heavy rain or snow.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
A warning tone also sounds.
When the causes stated above no longer apply, the display mes-
sage disappears.
DISTRONIC PLUS is operational again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Ypage 152).
X Restart the engine.
DISTRONIC PLUS
Inoperative
DISTRONIC PLUS is defective. Adaptive Brake Assist may also
have failed.
A warning tone also sounds.
X Visit a qualified specialist workshop.
DISTRONICPLUSSusZ
pended
You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
X Remove your foot from the accelerator pedal.
DISTRONIC PLUS
- - - mph
An activation condition for DISTRONIC PLUS is not fulfilled.
X Check the activation conditions for DISTRONIC PLUS (Y page 163).
Cruise Control
Inoperative
Cruise control is malfunctioning.
A warning tone also sounds.
X Visit a qualified specialist workshop.
Cruise Control
- - - mph
A condition for activating cruise control has not been fulfilled.
You have tried to store a speed below 20 mph (30 km/h), for
example.
X If conditions permit, drive faster than 20 mph (30 km/ h)and
store the speed.
X Check the activation conditions for cruise control ( Ypage 161).
228Display messages
On-board computer and displays
Page 231 of 346
Tires
Display messagesPossible causes/consequences andMSolutions
Check Tire PresZ
sure Soon
The tire pressure loss warning system has detected a significant
loss in pressure.
A warning tone also sounds.
Possible causes:
R you have changed the positions of the wheels and tires or instal-
led new wheels and tires.
R the tire pressure in one or more tires is not correct.
GWARNING
Tire pressures that are too low pose the following hazards:
R they may burst, especially as the load and vehicle speed
increase.
R they may wear excessively and/or unevenly, which may greatly
impair tire traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away ( Ypage 152).
X Check the tires and, if necessary, follow the instructions for a
flat tire ( Ypage 284).
X Check the tire pressures and, if necessary, correct the tire pres-
sure.
X Restart the tire pressure loss warning system when the tire
pressure is correct ( Ypage 309).
Check Tire PresZ
sure Then Restart
Run Flat Indicator
The tire pressure loss warning system generated a display mes-
sage and has not been restarted since.
X Set the correct tire pressure in all four tires.
X Restart the tire pressure loss warning system ( Ypage 309).
RunFlatIndicator
inoperative
The tire pressure loss warning system is faulty.
X Visit a qualified specialist workshop.
Display messages229
On-board computer and displays
Z
Page 232 of 346
Vehicle
Display messagesPossible causes/consequences andMSolutions
Depress Brake to
Start Engine
You have attempted to start the engine with the transmission in
positionNwithout depressing the brake pedal.
X Depress the brake pedal.
To Deselect P or
N, Depress Brake
and Start Engine
You have attempted to shift the selector lever to position Ror D
without starting the engine. X Start the engine.
X Depress the brake pedal.
iIt is only possible to move the selector lever from position Pto
the desired position if you depress the brake pedal. Only then
can the parking lock be deactivated. If you do not depress the
brake pedal, the DIRECT SELECT lever can still be moved but the parking lock remains engaged.
iAt transmission fluid temperatures below Ò4 ‡( Ò20 †) you can
only shift out of position Pinto another transmission position
when the engine is running.
Apply Brake to
Shift from 'P'
You have attempted to shift the selector lever to position R,N or D
without depressing the brake pedal.
X Depress the brake pedal.
Transmission Not
in P Risk of VehiZ
cle Rolling Away
The driver's door is open/not fully closed and the selector lever is
in position R,N or D.
A warning tone also sounds.
GWARNING
The vehicle may roll away.
There is a risk of an accident. X Shift the selector lever to position P.
X Secure the vehicle against rolling away ( Ypage 152).
X Close the driver's door completely.
230Display messages
On-board computer and displays
Page 233 of 346
Display messagesPossible causes/consequences andMSolutions
Service Required
DoNotShiftGears
Visit Dealer
You cannot change the transmission position due to a malfunction.
A warning tone also sounds.
If transmission position Dis selected:
X Drive to a qualified specialist workshop without shifting the
transmission from position D.
If transmission position R,N or Pis selected:
X Secure the vehicle against rolling away ( Ypage 152).
X Notify a qualified specialist workshop or breakdown service.
Only Shift to 'P'
when Vehicle is
Stationary
The vehicle is moving. X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Shift the selector lever to position P.
Reversing Not PosZ
sible Service
Required
The automatic transmission is malfunctioning. You cannot back up.
X Visit a qualified specialist workshop.
Transmission MalZ
function
The automatic transmission is malfunctioning.
X Visit a qualified specialist workshop.
Transmission MalZ
function Stop
The automatic transmission is malfunctioning.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Ypage 152).
X Consult a qualified specialist workshop.
StopVehicleShift
to 'P' Leave
Engine Running
The automatic transmission has overheated. X
Drive on carefully.
The automatic transmission is available again when the display
message goes out.
If the display message continues to be displayed:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Ypage 152).
X Wait until the automatic transmission has cooled down and the
display message has disappeared.
Display messages231
On-board computer and displays
Z
Page 234 of 346
Display messagesPossible causes/consequences andMSolutions
Auxiliary Battery
Malfunction
The auxiliary battery for the automatic transmission is no longer
being charged. X
Visit a qualified specialist workshop at the next opportunity.
X Until then, set the selector lever to position Pbefore you switch
off the engine.
X Before leaving the vehicle, apply the electric parking brake.
4matic Currently
Unavailable
4MATIC has overheated. The vehicle is only driven by the front
wheels. X Drive on.
The airflow cools 4MATIC more quickly.
When the display message goes out, 4MATIC is available again
and the vehicle is driven by all four wheels.
4matic Inoperative4MATIC is malfunctioning. The vehicle is only driven by the front
wheels. X Visit a qualified specialist workshop.
AThe tailgate is open.
GWARNING
When the engine is running, exhaust gases can enter the vehicle
interior if the tailgate is open.
There is a risk of poisoning.
X Close the tailgate.
?The hood is open.
A warning tone also sounds.
GWARNING
The open hood may block your view when the vehicle is in motion.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Ypage 152).
X Close the hood.
CAt least one door is open. A warning tone also sounds.
X Close all the doors.
232Display messages
On-board computer and displays
Page 235 of 346
Display messagesPossible causes/consequences andMSolutions
Ð
PowerSteeringMalZ
function See OperZ
ator's Manual
The power steering is malfunctioning.
A warning tone also sounds.
GWARNING
You will need to use more force to steer.
There is a risk of an accident.
X Check whether you are able to apply the extra force required.
X If you are able to steer safely: carefully drive on to a qualified
specialist workshop.
X If you are unable to steer safely: do not drive on. Contact the
nearest qualified specialist workshop.
Ð
Steering MalfuncZ
tion See OperaZ
tor's Manual
The electric steering lock is malfunctioning.
GWARNING
The steering may be locked by the electric steering lock.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Ypage 152).
X Do not drive on and consult the nearest qualified specialist
workshop.
_
Before Starting
the Engine, Turn
Steering Wheel
The electric steering lock was unable to unlock the steering.
X Remove the SmartKey from the ignition lock.
X To unlock the steering, move the steering wheel slightly.
X Insert the SmartKey into the ignition lock again.
Phone No ServiceYour vehicle is outside the network provider's transmitter/
receiver range. XWait until the mobile phone operational readiness symbol
appears in the multifunction display.
¥
Check Washer Fluid
The washer fluid level in the washer fluid reservoir has dropped
below the minimum.
X Add washer fluid ( Ypage 273).
Wiper MalfunctionZ
ing
The windshield wipers are malfunctioning.
X Visit a qualified specialist workshop.
Hazard Warning
Flashers MalfuncZ
tioning
The hazard warning lamps are faulty.
X Visit a qualified specialist workshop.
Display messages233
On-board computer and displays
Z