Mercedes-Benz CL2012 Operator's Manual page 371

Display messages
Radar Sensors
Deactivated See
Oper. Manual
Active Lane
Keeping Assist
Currently
Unavailable See
Oper. Manual
Active Lane
Keeping Assist
Inoperative
Active Blind Spot
Assist
Currently
Unavailable, See
Oper. Manual
Possible causes/consequences and M Solutions
The radar sensor system is deactivated.
X
Switch on the radar sensor system (
Active Lane Keeping Assist is deactivated and temporarily
inoperative if:
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
R
or snow.
Active Lane Keeping Assist is operational again and the display
message disappears if:
the dirt (e.g. slush) drops away while the vehicle is in motion.
R
the system recognizes that the camera is fully operational again.
R
If the display message continues to be displayed:
X
Clean the windshield.
Active Lane Keeping Assist is defective.
X
Visit a qualified specialist workshop.
Active Blind Spot Assist is temporarily inoperative if:
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
R
range.
the radar sensor system is temporarily inoperative, e.g. due to
R
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:
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
R
temperature range.
If the display message continues to be displayed:
X
Clean the sensors (
X
Restart the engine.
I n f o r m a t i o n P r o v i d e d b y :
Display messages
Y page 344).
Y page 418).
369
Z