Mercedes-Benz SL-Class 2014 Owners Manual - Manual (Page 265)

Display messages Possible causes/consequences and M M Solutions
Active Lane Active Lane
Keeping Assist Keeping Assist
Currently Currently
Unavailable See Unavailable See
Operator's Manual Operator's Manual
Active Lane Keeping Assist is deactivated and temporarily
inoperative. Possible causes are:
R the windshield in the camera's field of vision is dirty.
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.
When the causes stated above no longer apply, the display
message disappears.
Active 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 175).
X
Clean the windshield.
Active Lane Active Lane
Keeping Assist Keeping Assist
Inoperative Inoperative
Active Lane Keeping Assist is defective.
X Visit a qualified specialist workshop.
Active Blind Spot Active Blind Spot
Assist Currently Assist Currently
Unavailable See Unavailable See
Operator's Manual Operator's Manual
Active Blind Spot Assist is temporarily inoperative. Possible
causes are:
R the sensors are dirty.
R 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.
When the causes stated above no longer apply, the display
message disappears.
Active 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 175).
X
Clean the sensors (
Y
page 551).
X
Restart the engine.
Display messages
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