Mercedes-Benz S-Class, Operator'S Manual

Page: 224 / 586

will be warned again after a minimum of
15 minutes.
The following information is displayed in the
driver display:
R
The length of the journey since the last break
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The attention level determined by ATTENTION
ASSIST:
-
The more segments 2 of the circle dis‐
played, the higher the detected attention
level.
-
Fewer segments 2 are displayed in the
circle as the attention level decreases.
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Microsleep detection 1 status:
-
Deactivated: display 1 is hidden.
-
Activated but not operational: display 1
is gray.
-
Activated and operational: display 1 is
green.
If ATTENTION ASSIST is unable to calculate the
attention level and cannot issue a warning, the
System Suspended message appears.
If the system, which uses the driver camera,
detects indicators of microsleep, the ATTEN-
TION ASSIST Nodding Off Take a Break! warning
message appears in the driver display and a
warning tone sounds simultaneously. This warn‐
ing message must be confirmed by Touch Con‐
trol. It is recommended that you take a break
immediately.
If a warning is given in the driver display, the
multimedia system offers to search for a rest
area. You can select a rest area and start naviga‐
tion to this rest area.
ATTENTION ASSIST with microsleep detection is
activated automatically when the engine is
restarted. The last selected sensitivity level
remains stored.
System limits
ATTENTION ASSIST is active in the 37 mph
(60 km/h) to 124 mph (200 km/h) speed range.
The microsleep detection function is available at
a speed of 12.5 mph (20 km/h) and above.
Particularly in the following situations, ATTEN‐
TION ASSIST only functions in a restricted man‐
ner and warnings may be delayed or not occur:
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If you have been driving for less than approx‐
imately 30 minutes.
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If the road condition is poor (uneven road
surface or potholes).
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If there is a strong side wind.
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If you adopt a sporty driving style (high cor‐
nering speeds or high rates of acceleration).
R
If the Steering Assist function of Active Dis‐
tance Assist DISTRONIC is active.
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If the clock is set to the incorrect time.
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If you change lanes and vary your speed fre‐
quently In active driving situations.
222 Driving and parking