Mercedes-Benz 2013 SL Operator's Manual page 260

Display messages
258
Display messages
À
Attention Assist
Take a Break!
À
Attention Assist
Inoperative
ë
Off
Radar Sensors
Deactivated See
Operator's Manual
Active Lane
Keeping Assist
Currently
Unavailable See
Operator's Manual
Active Lane
Keeping Assist
Inoperative
Possible causes/consequences and M Solutions
Based on certain criteria, ATTENTION ASSIST has detected fatigue
or a lack of concentration on the part of the driver. A warning tone
also sounds.
If necessary, take a break.
X
During long journeys, take regular breaks in good time so you get
enough rest.
ATTENTION ASSIST is inoperative.
Visit a qualified specialist workshop.
X
The HOLD function is deactivated. The vehicle is skidding.
A warning tone also sounds.
Reactivate the HOLD function later (
X
The radar sensor system is deactivated.
Switch on the radar sensor system (
X
Active Lane Keeping Assist is deactivated and temporarily
inoperative. Possible causes are:
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.
R
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:
Pull over and stop the vehicle safely as soon as possible, paying
X
attention to road and traffic conditions.
Secure the vehicle against rolling away (
X
Clean the windshield.
X
Active Lane Keeping Assist is defective.
Visit a qualified specialist workshop.
X
page 195).
Y
page 235).
Y
page 175).
Y