SEAT DEPTH ADJUSTER

A vehicle seat depth adjuster (1) includes a base plate (2) connectable to a seat structure (17); a detent unit (8); a carrier plate (3) moveably arranged above the base plate; a locking unit (4) detachably engaging the detent unit; and a drive unit (11) moving the carrier plate. The carrier plate is fixed in relation to the base plate in an engaged position of the locking unit and is moveable, between a retracted position and an extended position in a released position of the locking unit by the drive unit. The detent unit is arranged on the upper side (2.5) of the base plate, which faces the carrier plate, and includes receiving elements (8.1) staggered in the direction (L) of movement. The locking unit includes an unlocking lever (5) with at least one locking tooth (5.1) that engages in one of the detent receiving elements in the engaged position.