Mercedes-Benz A-Class Operator's Manual page 164

162 162 Driving and parking
regular breaks in good time that allow for ade-
quate recuperation.
You can choose between two settings:
S S t t andar andard: d: normal system sensitivity.
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Sensitive: e: higher system sensitivity. The driver Sensitiv
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is warned earlier and the attention level detec-
ted by ATTENTION ASSIST is adapted accord-
ingly.
If drowsiness or increasing lapses in concentra-
tion are detected, the ATTENTION ASSIST: Take
a Break! warning appears in the Instrument Dis-
play. You can acknowledge the message and take
a break if necessary. If you do not take a break
and ATTENTION ASSIST continues to detect
increasing lapses in concentration, you will be
warned again a er a minimum of 15 minutes.
You can have the following status information for
ATTENTION ASSIST displayed in the assistance
menu of the on-board computer:
The length of the journey since the last break.
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The attention level determined by ATTENTION
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ASSIST:
The fuller the circle, the higher the atten-
-
tion level determined
As your attention wanes, the circle in the
-
center of the display becomes smaller
If ATTENTION ASSIST is unable to calculate the
attention level and cannot issue a warning, the
System Suspended message appears.
If a warning is given in the Instrument Display, the
multimedia system o ers to search for a rest
area. You can select a rest area and start naviga-
tion to this rest area. This function can be activa-
ted and deactivated in the multimedia system.
If ATTENTION ASSIST is deactivated, the Û
symbol appears in the assistance graphic in the
Instrument Display. A er the vehicle is started,
ATTENTION ASSIST is automatically activated. The
last selected sensitivity level remains stored.
System limits Syst em limits
ATTENTION ASSIST is active in the 37 mph
(60 km/h) to 124 mph (200 km/h) speed range.
Particularly in the following situations, ATTENTION
ASSIST only functions in a restricted manner and
warnings may be delayed or not occur:
If you have been driving for less than approx-
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imately 30 minutes.
If the road condition is poor (uneven road sur-
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face or potholes).
If there is a strong side wind.
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If you adopt a sporty driving style (high corner-
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ing speeds or high rates of acceleration).