2010 Mercedes S-Class Owner's Manual - Page 358

356 Driving systems G Warning! Controls in detail The ATTENTION ASSIST is only an aid to the driver. It might not recognize fatigue or increasing inattentiveness in time or fail to recognize them at all. The system cannot substitute a rested and attentive driver. Fatigue can cause you to recognize dangers too late, to misjudge potential dangers, or to react slower. Therefore, make sure to be rested before and during your trip. Take rests early enough and regularly, especially during long trips. Failure to do so could cause you to recognize dangers too late which could result in an accident and serious injury to you and/ or others. X The ATTENTION ASSIST interprets your fatigue or increasing inattentiveness considering the following criteria: Rthe individual driving style, for example the way you steer Rthe driving conditions such as time of day and duration of the ride The ATTENTION ASSIST function is restricted and warnings will be delayed or not issued at all when Rroad conditions are bad, e.g. heavy bumps or potholes are strong in a sporty manner with high speed in curves or rapid acceleration slower than 50 mph (80 km/h) or faster than 112 mph (180 km/h) most of the time the COMAND or making phone calls via COMAND lanes or varying the vehicle speed, i.e. you intervene actively Rcrosswinds Rdriving Rdriving Switch on the ATTENTION ASSIST via the control system (Y page 232). ATTENTION ASSIST indicator : appears in the multifunction display. When the ATTENTION ASSIST is active, it will warn you after 20 minutes of driving at the earliest. An intermittent warning will then sound twice and the message Attention Assist: Time for a rest? appears in the multifunction display. X If possible park your vehicle in a safe location and take a rest. X Confirm the message by pressing button a on the multifunction steering wheel. If you do not take a rest and the ATTENTION ASSIST continues to recognize fatigue or increasing inattentiveness, you will be warned once more after 15 minutes at the earliest. During long trips, take regular and duly rests that allow you to recover sufficiently. The ATTENTION ASSIST will be reset and restarts evaluating the degree of your fatigue when Ryou Ryou turn off the engine Roperating Rchanging release the seat belt and open the driver's door, e.g. during a rest or for a driver change Night View Assist Plus The Night View Assist Plus illuminates the road with infrared light in addition to the normal headlamps. A camera at the top of the windshield measures the infrared light and shows a black-and-white image in the multifunction Warnings and displays in the multifunction display