Mercedes-Benz 2012 A Class - Manual (Page 249)

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.
Blind Spot Assist is not available.
X Connect the Becker ® MAP PILOT; see the separate operating
instructions.
Lane Keeping
Assist currently
unavailable See
Owner's Manual
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.
Once the causes listed above no longer apply, the display message
goes out.
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 ( Y page 162).
X Clean the windscreen.
Lane Keeping
Assist inoperative
Lane Keeping Assist is faulty.
X Visit a qualified specialist workshop.
Blind Spot Assist
currently unavail‐
able See Owner's
Manual
Blind Spot Assist is temporarily inoperative.
You have established the electrical connection between the trailer
and your vehicle.
X Press a on the steering wheel to confirm the display mes-
sage.
Blind Spot Assist is deactivated while towing a trailer.
Display messages
247
On-board computer and displays
Z