Rollover protection device for a motor vehicle, and motor vehicle

A motor vehicle, comprising:

• a body shell and a rollover protection device with a supporting frame extending in a vehicle transverse direction and left and right rollover protection cassettes, each rollover protection cassette having a housing and a rollover body that can be deployed from the housing, the supporting frame having a connecting profile extending between the rollover protection cassettes, column sections positioned between lateral ends of the connecting profile of the supporting frame and the housings of the rollover protection cassettes, each of the column sections extending substantially vertically, each of the columns having a first side wall connected to the housings of the respective rollover protection cassettes, and having a second side wall opposite the first side wall and connected to the connecting profile of the supporting frame, each of the columns further having a foot at a lower end connected to a center tunnel of the body shell of the motor vehicle to introduce main loads during a rollover load into the center tunnel in a z and/or a y direction, each foot having deformation chambers delimited by obliquely extending partition walls.