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Daimler Communications, 70546 Stuttgart, Germany
Mercedes-Benz – A Daimler Brand
Page 19
There is therefore no warning if, for instance, the driver accelerates before over-
taking or joining a motorway, brakes heavily or enters a bend.
The images supplied by the windscreen camera are also used by the new Speed
Limit Assist, which recognises speed limit signs in passing and shows the rele-
vant speed limit in the central display (standard for S 65 AMG).
Drowsiness detection on the basis of more than 70 parameters
Thanks to an innovative technology the S-Class has a very sensitive antenna for
the attention level of its driver, and can warn him in time when he becomes drow-
sy. The ATTENTION ASSIST drowsiness detection system continuously monitors
more than 70 different parameters. Once the evaluation electronics recognise the
steering behaviour pattern that typically indicates the onset of drowsiness on the
basis of information from the highly sensitive steering angle sensor, a warning
signal is sounded and "ATTENTION ASSIST. Break!" appears in the instrument
cluster. ATTENTION ASSIST is fitted as standard.
"Electronic crumple zone" for maximum occupant protection
Mercedes-Benz has also improved the long and medium-range radar used by the
optional Brake Assist PLUS (BAS PLUS) and DISTRONIC PLUS proximity control.
Mercedes-Benz also offers another radar-based system for the S-Class in the form
of PRE-SAFE
®
Brakes. If the driver is distracted and fails to recognise the immedi-
ate danger of a rear-end collision, or the warning signals of an assistance system,
this system can intervene and brake the vehicle independently. The S-Class
makes use of the latest development stage of this safety system: if the driver
fails to react even after automatic partial braking action, the PRE-SAFE
®
Brakes
activate the maximum braking pressure around 0.6 seconds before what is now
recognised as an unavoidable accident – an emergency braking action that can
significantly mitigate the severity of the impact. The PRE-SAFE
®
Brakes therefore
act as something like an "electronic crumple zone".