Cargo door bumper mounts to rear cargo door and interfaces with magnet on side of vehicle, shown below. This is the shortest of the three types used. At the tallest point these are 25mm or 1 inch tall.
Compare to other longer versions, shown below.
There is NO magnet in this bumper.
Sprinter II 2007-2018
Installing this part requires removal of the inside door panel, as there is a nut and washer on the back side.