A height adjusting mechanism (100) is provided for a vehicle seat (1), in particular for a utility vehicle seat, including a scissors-type frame (3). The height adjusting mechanism (100) includes a gas spring (12) that cooperates with the scissors-type frame (3) as well as a valve device (40) for ventilating and/or evacuating the gas spring (12). The valve device (40) is located on a control unit (110). The control unit (110) includes a control element (82) for actuating the height adjusting mechanism (100). A vehicle seat (1) is also provided including a height adjusting mechanism (100).
