Prevention
Adaptive Highbeam Assist – the Intelligent Headlamp
Adaptive Highbeam Assist from Mercedes-Benz makes night-time driving even safer. The system adjusts the headlamp range automatically to the distance of oncoming traffic or vehicles in front with their lights on. This provides the driver with the ideal headlamp range at all times, enabling better and earlier recognition of the course of the road, pedestrians or other dangers.
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Adaptive Highbeam Assist: The new Adaptive Highbeam Assist system adjusts the headlamp range automatically in line with the distance to oncoming vehicles or vehicles ahead.
 
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Adaptive Highbeam Assist: This system detects oncoming vehicles or moving vehicles in front with their lights on and then adjusts the headlamps so that the beam of light ends before these other vehicles.
The Adaptive Highbeam Assist from Mercedes-Benz is based on a camera on the inside of the front windscreen which monitors the traffic situation in front of the car. An intelligent image processing algorithm enables the camera to identify other vehicles and to calculate their distances. The range of the variably adjustable bi-xenon headlamps is set accordingly and adjusted continuously according to the distance of the vehicle ahead or oncoming traffic.
The system is extremely fast, relaying fresh data to the headlamps every 40 milliseconds. On the basis of this information, the headlamps are switched to low beam and the range of the adjustable bi-xenon headlamps in dipped-beam mode is set within a maximum reach of 300 metres and continuously adapted to the prevailing traffic situation. When the system detects that the road ahead is clear, high beam is activated automatically. Adaptive Highbeam Assist is available at speeds of 55 km/h and over. Once it has been switched on it operates fully automatically. 
Findings from practical tests
Practical tests confirm that Adaptive Highbeam Assist provides for safer motoring in the dark: despite oncoming traffic, pedestrian dummies at the side of the road were recognised from a distance of around 260 m – around 150 m earlier than with conventional dipped headlamps. This means that the new Mercedes-Benz assistant results in a more than twofold improvement in safety at night.
The system also reduces the workload for the driver: he no longer needs to operate the lever on the steering wheel and is able to concentrate more effectively on the actual task of driving the vehicle. Once activated, Adaptive Highbeam Assist maintains the ideal headlamp range at all times. Studies show that high beam is only used on around 8 percent of all journeys at present. Adaptive Highbeam Assist can help to reduce this safety risk.
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