Speed assistance for a motor vehicle

A speed assist method for a motor vehicle (200), the speed assistance method comprising: detecting (10) a traffic sign (100), wherein the road sign (100) has a speed information (110), and wherein the road sign (100) both a permanent road signs as well as a may be electronic message signs. Detecting (20) the speed information (110) of the traffic sign (100). Matching (30) the detected velocity information (110) at a rate information (210) a current vehicle position (220). And if the detected velocity information (110) of the traffic sign (100) of the speed information (210) of the current vehicle position (220) deviates: Copy (40) the detected velocity information (110) as the speed information (210) of the current vehicle position (220), and adapting (50) of a driver assistance device (240) under consideration of the speed information (210) of the current vehicle position.