Located at rear edge of sliding door at the middle.
This is the part that slides inside the black track which is mounted to the right rear quarter panel.
Door Lock Motor/Solenoid
For Left & Right front doors, sliding door & rear hatch
Before ordering, check your door wiring harness for broken insulation, as this is a common failure areaand is often mistaken for a failed actuator. The harness has long been discontinued by VW but, your old harness can be repaired however, it is a time consuming procedure.
Electrical items, such as this one, are not returnable.