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Display messagesPossible causes/consequences and M Solutions
Blind Spot Assist
Currently UnavailZ
able See OperaZ
tor's ManZ
ual or Active Blind
Spot Assist CurZ
rently Unavailable
See Operator's ManZ
ual
Blind Spot Assist or Active Blind Spot Assist is temporarily inop-
erative. Possible causes are:
R the sensors are dirty.
R function is impaired due to heavy rain or snow.
R the radar sensor system is outside the operating temperature
range.
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.
The yellow 9 indicator 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 or Active 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, p aying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 168).
X Clean the sensors ( Y page 309).
X Restart the engine.
Blind Spot Assist
InoperaZ
tive or Active
Blind Spot Assist
Inoperative
Blind Spot Assist or Active Blind Spot Assist is defective.
The yellow 9 indicator lamps also light up in the exterior mir-
rors. X Visit a qualified specialist workshop.
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 ( Y page 189).
252Display messages
On-board computer and displays
Page 255 of 386

Display messagesPossible causes/consequences and M Solutions
Park Assist InoperZ
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 ( Y page 189).
X Pull over and stop the vehicle safely as soon as possible, p aying
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 ( Y page 176). If it was
deactivated automatically, a warning tone also sounds.
DISTRONIC PLUS Now
Available
DISTRONIC PLUS is operational again after having been tempo-
rarily unavailable. You can now reactivate DISTRONIC PLUS
( Y page 176).
DISTRONIC PLUS CurZ
rently Unavailable
See Operator's ManZ
ual
DISTRONIC PLUS is temporarily inoperative. Possible cause s are:
R function is impaired due to heavy rain or snow.
R the sensors in the radiator trim and the bumper are dirty.
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, p aying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 168).
X Clean the sensors in the radiator grill and the bumper
(Y page 309).
X Restart the engine.
Display messages253
On-board computer and displays
Z
Page 256 of 386
Display messagesPossible causes/consequences and M Solutions
DISTRONIC PLUS
Inoperative
DISTRONIC PLUS is defective. BAS PLUS and PRE
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Display messagesPossible causes/consequences and M Solutions
Warning
Tire Malfunction
The tire pressure in one or more tires has dropped suddenly. The
wheel position is shown in the multifunction display.
GWARNING
Driving with a flat tire poses a risk of the following hazards:
R a flat tire affects the ability to steer or brake the vehicle.
R you could lose control of the vehicle.
R continued driving with a flat tire will cause excessive heat build-
up and possibly a fire.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or b raking
maneuvers. Pay attention to the traffic conditions as y ou do so.
X Secure the vehicle against rolling away ( Y page 168).
X Check the tires and, if necessary, follow the instructions for a
flat tire ( Y page 314).
Tire Press. Monitor
Currently UnavailZ
able
Because there is interference from a strong source of ra dio waves,
no signals from the tire pressure sensors are detected. The tire
pressure monitor is temporarily malfunctioning.
X Drive on.
The tire pressure monitor restarts automatically as soon a s the
problem has been resolved.
TirePress. SenZ
sor(s) Missing
There is no signal from the tire pressure sensor of one or several
wheels. The pressure of the affected tire is not displayed in the
multifunction display. X Have the faulty tire pressure sensor replaced at a quali fied spe-
cialist workshop.
Tire Pressure MonZ
itor Inoperative
No Wheel Sensors
The wheels mounted do not have a suitable tire pressure sensor.
The tire pressure monitor is deactivated.
X Mount wheels with suitable tire pressure sensors.
The tire pressure monitor is activated automatically af ter driving
for a few minutes.
Tire pressure monZ
itor
Inoperative
The tire pressure monitor is faulty.
X Visit a qualified specialist workshop.
256Display messages
On-board computer and displays