Abstract: A motor vehicle seat has an element formed of expanded polypropylene foam or of a material with comparable properties with respect to its firmness and weight provided between a seat part and a vehicle body floor, wherein the seat part is directly or indirectly connected to the vehicle body floor via the element formed of expanded polypropylene foam or of the material with comparable properties with respect to its firmness and weight, or the seat part is formed essentially of expanded polypropylene foam or of a material with comparable properties with respect to its firmness and weight and is directly or indirectly connected to the vehicle body floor.