A passenger compartment of a motor vehicle, in particular a passenger automobile, is provided having a dashboard, which has a lower cover connected thereto, and having a carpet laid out in the foot well of the vehicle, which is situated raised up from the foot well floor in the area of a forward front wall of the vehicle. In this passenger compartment, the carpet is provided with at least one molded-on support for the forward area of the cover of the dashboard in its raised area. A simple, and also secure mounting of a lower cover for a dashboard, which is rapid to mount, is provided in this way in a motor vehicle.