A forward tiltable motor vehicle seat has a seat carrier and a seat back, a hinge mounting is associated with the seat back and comprises an upper hinge arm connected to the seat back and a lower hinge arm hinged about a forward tilt axis to the seat carrier. The seat carrier forms a clamping flank. A cam is provided and is movable between a stop position and a release position. The cam is disposed on the lower hinge arm and rests against the clamping flank in the stop position.