Driver assistance system and method of operation for a driver assistance system for longitudinal control of a vehicle

The invention relates to a driver assistance system (100) for vehicle longitudinal control of a vehicle (1) with respect to a foreign vehicle (2), preferably for speed and/or distance control. The invention further relates to an operating method for a driver assistance system (100) for vehicle longitudinal control of a vehicle (1). The operating method comprises vehicle longitudinal control that is performed as a function of at least one parameter derivable from a vehicle class (109) of the foreign vehicle (2).