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Mercedes-Benz DRIVE PILOT

The exact location of a Mercedes equipped with DRIVE PILOT is determined using a high-precision positioning system that is much more powerful than conventional GPS systems. In addition to the anonymised data collected by LiDAR, camera, radar and ultrasound sensors, a digital HD map provides a three-dimensional image of the road and the surroundings with information on road geometry, route characteristics, traffic signs and special traffic events (e.g. accidents or road works). This high-precision map differs from maps for navigation devices by, among other things, its higher accuracy in the centimetre rather than metre range and its detailed junction and route model. The map data is stored in backend data centres and updated constantly. Each vehicle also stores an image of this map information on board, constantly compares it with the backend data and updates the local dataset as required. All of this enables stable and accurate positioning through a representation of the surroundings that is independent of factors such as shadows or dirty sensors.