Mercedes-Benz 2012 A Class - Manual (Page 250)

Display messages Possible causes/consequences and M Solutions
Blind Spot Assist is temporarily inoperative. Possible causes:
R
the sensors are dirty.
R
the 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.
Once the causes listed above no longer apply, the display message
goes out.
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 ( Y page 162).
X Clean the sensors ( Y page 294).
X Restart the engine.
Blind Spot Assist
inoperative
Blind Spot Assist is faulty.
The yellow 9 indicator lamps also light up in the exterior mir-
rors.
X Visit a qualified specialist workshop.
Park Assist cancel‐
led
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 inadvertently touched the multifunction steering wheel while
steering intervention was active.
X While steering intervention is active, make sure not to touch the
multifunction steering wheel.
The vehicle has started to skid and ESP ® has intervened.
X Use Active Parking Assist again later ( Y page 186).
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Display messages
On-board computer and displays