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Active Brake Assist 2 by Mercedes-Benz


Active Brake Assist 2 by Mercedes-Benz

Continuing to tell you about new developments from Mercedes-Benz company, which you could see on IAA 2010. Mercedes-Benz is presenting the 2nd generaion of its safety braking system – Active Brake Assist 2.

Whereas the safety system only previously triggered an emergency braking if there was a threatening risk of a rear-end collision with a vehicle ahead, the further developed Active Brake Assist 2 also initiates a braking manoeuvre when it detects stationary obstacles, for example, in an unexpected tailback on the motorway. Daimler Trucks has therefore taken a further step towards realising its vision of accident-free driving, as part of its “Shaping Future Transportation” global initiative.

The radar used by the Active Brake Assist 2 system scans an area of 1-200 m in the lane ahead of the truck whilst continuously determining the distance to a vehicle in front or a stationary obstacle as well as the difference in speed between the two vehicles.

If, based on the current driving style, an accident is unavoidable, the driver initially receives visual warnings in the form of a red triangle which lights up and an audible alarm. If the situation gets any worse, the system responds by applying the brakes.

The warning concept is designed to allow drivers to diffuse critical situations themselves; that’s because braking initiated by Active Brake Assist 2 with 50% of the maximum braking power gives drivers the time that is needed to avoid an accident themselves. Active Brake Assist 2 offers decisive advantages over other systems currently under development. The tried-and-tested radar technology operates robustly under all weather and light conditions, for instance.

What’s more, Active Brake Assist is effective across a truck’s entire speed range – from 0 km/h or slow driving at brisk walking pace to motorway speeds of up to 89 km/h (when the speed limiter is activated). Although Active Brake Assist 2 cannot always prevent accidents, the automatic application of the brakes does reduce the collision speed and, therefore, mitigates the consequences of accidents substantially. Active Brake Assist 2 will replace the previous system at the turn of the year.

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