Mercedes-Benz CL-Class 2011 - Manual (Page 368)

Display messages Possible causes/consequences and M Solutions
Active Lane
Keeping Assist
Currently
Unavailable See
Oper. Manual
Active Lane Keeping Assist is deactivated and temporarily
inoperative if:
R
the windshield 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, for example by dirt
or snow.
Active Lane Keeping 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 camera is fully operational again.
If the display message continues to be displayed:
X Clean the windshield.
Active Lane
Keeping Assist
Inoperative
Active Lane Keeping Assist is faulty.
X Visit a qualified specialist workshop.
Active Blind Spot
Assist
Currently
Unavailable See
Oper. Manual
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.
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 414).
X Restart the engine.
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Display messages
On-board computer and displays