Mercedes-Benz S-Class 2012 - Manual (Page 414)

Display messages Possible causes/consequences and M Solutions
Blind Spot Assist
Currently
Unavailable See
Oper. Manual or
Active Blind Spot
Assist Currently
Unavailable See
Oper. Manual
Blind Spot Assist or Active Blind Spot Assist is temporarily
inoperative if:
R
the sensors are dirty.
R its 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
stations or other sources of electromagnetic radiation.
The yellow 9 indicator lamps also light up in the exterior
mirrors.
Blind Spot Assist or Active Blind Spot Assist is operational again
and the display message disappears if:
R
the dirt (e.g. slush) drops away while the vehicle is in motion.
R
the system detects that the sensors are fully available again.
R the radar sensor system is back within the operating
temperature range.
If the display message continues to be displayed:
X Clean the sensors ( Y page 467).
X Restart the engine.
Blind Spot Assist
Inoperative 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
mirrors.
X Visit a qualified specialist workshop.
Parking Guidance
Inoperative Parking Guidance is malfunctioning ( Y page 350).
X Restart the engine.
If the display message continues to be displayed:
X Visit a qualified specialist workshop.
412
Display messages
On-board computer and displays