Attention Assist - Mercedes-Benz E-Class Series 207 Service Manual

The ATTENTION ASSIST system is standard equip-
ment in the new model series 207 and serves to
detect driver fatigue. It can improve driving safety
by warning the driver when fatigue is detected, e.g.
on freeways and highways at speeds from approx.
80 to 180 km/h if fatigue or increasing inattention
on the part of the driver is detected.
The ATTENTION ASSIST is activated in the instru-
ment cluster by means of the buttons on the multi-
function steering wheel.
The function sequence is determined by an analysis
of the steering wheel angle signal for certain
steering patterns which occur more frequently as
fatigue increases. In the first minutes of driving,
parameters for pattern recognition and the warning
threshold are calculated individually for the driver.
If the warning threshold is exceeded by an
increased frequency of so-called "steering events",
the driver is warned accordingly. In order to
increase reliability, variables such as driving time
and the time of day are also included in the analysis.
– This printout will not be recorded by the update service. Status: 01 / 2009 –
When the ATTENTION ASSIST detects fatigue or
increasing inattention on the part of the driver that
matches a relevant steering pattern, it issues an
acoustic warning in the form of double four-tone
signal from the instrument cluster and a visual
warning in the multifunction display.
A warning can be confirmed and canceled by
pressing the "OK" button in the left multifunction
steering wheel button group. Another waning
cannot be issued for another 15 minutes.
The function of the ATTENTION ASSIST is restricted
and warnings are not issued, or issued only after a
delay, in the case of:
• Sporty driving style
• Active driving situations such as lane changes,
sharp acceleration or high cornering speeds
• Poor road conditions with surface undulations or
potholes
• Long-lasting strong crosswind
• Distraction by operating the audio equipment,
the telephone or the switches of various
systems (e.g. lights, turn signals etc.)
Example: Representation in multifunction display
(ECE version shown)
1 ATTENTION ASSIST active
Introduction of the New E-Class Coupé, Model Series 207

ATTENTION ASSIST

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