MOTOR VEHICLE WITH REAR REDUCING AGENT TANK

The invention relates to a motor vehicle (1), preferably a truck or a tractor unit. The motor vehicle (1) comprises an exhaust aftertreatment system and a reducing agent tank (2) for holding a reducing agent and is characterized in particular in that the reducing agent tank (2) is arranged at the rear of the motor vehicle (1). The invention also relates to a reducing agent tank (2) with at least one device (5, 6) for a rear light assembly and/or a motor vehicle license plate.