Display messages
Possible causes/consequences and
M
Solutions
Vehicles with Becker
®
MAP PILOT: if the Becker
®
MAP PILOT is
not connected, the radar sensor system is deactivated automati-
cally.
BAS PLUS, DISTRONIC PLUS, Blind Spot Assist or Active Blind
Spot Assist and PRE-SAFE
®
Brake are not available.
X
Connect the Becker
®
MAP PILOT; see the separate operating
instructions.
Radar sensor
deactivated See
Owner's Manual
The radar sensor system is deactivated.
X
Check whether or not the radar sensor system may be activated
(
Y
page 380).
X
Switch on the radar sensor system (
Y
page 249).
Lane Keeping
Assist currently
unavailable See
Owner's Man‐
ual
or
Active Lane
Keeping Assist cur‐
rently unavailable
See Owner's Manual
Lane Keeping Assist or Active Lane Keeping Assist is deactivated
and temporarily inoperative. Possible causes:
R
the windscreen is dirty in the camera's field of vision.
R
visibility is impaired due to heavy rain, snow or fog.
R
there are no lane markings for a longer period.
R
the lane markings are worn, dark or covered, e.g. by dirt or snow.
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
Apply the electric parking brake.
X
Clean the windscreen.
If the system detects that the camera is fully operational, the dis-
play message disappears.
Lane Keeping Assist or Active Lane Keeping Assist is operational
again.
Lane Keeping
Assist inopera‐
tive
or
Active Lane
Keeping Assist
inoperative
Lane Keeping Assist or Active Lane Keeping Assist is faulty.
X
Visit a qualified specialist workshop.
Display messages
273
On
-board
computer
and
displ
ays
Z