A leaf unit of a scissor mechanism of a fitting for a leaf of a window or of a door, insertable into a C-shaped leaf groove in the rebate of a leaf profile of the leaf is provided. The leaf unit includes a scissor guide fastenable on the leaf and a scissor rod moveable relative to the scissor guide in the operating state. The scissor rod is movable between a closed position and a tilt position relative to the scissor guide in the operating state. The scissor guide and the scissor rod are pre-fixed for insertion into the leaf groove in a pre-installation position which is between the closed position and the tilt position.

A drive unit for a drive for adjusting an adjusting element of a motor vehicle along a geometric drive axis, wherein the drive unit has a dynamic unit having a drive motor, a cable module having a motor circuit board as well as a drive unit housing for receiving at least the drive motor and the cable module, wherein the cable module for fixing the motor circuit board has a circuit board holder and a cable module cover, into which one or multiple cables for electrical connection to the drive motor and/or the motor circuit board are routed, and a first drive connection which is connected to the cable module cover, and a geometric cable module axis, wherein the dynamic unit is connected to the cable module in an axially fixed manner. It is proposed that the cable module can be designed as a pre-assembled functional unit.