There are some things I need...
The OVP relay suitable for a 190E 2.6. It's near the battery. In other cars, it's in the fuse box. The fuse on top makes it stand out from the others.
The ignition module. This, with a few other parts makes for a great upgrade to older cars with conventional points.
The metal rail that connects a suburban's tailgate glass to the window lift. There are two rails bolted to the bottom of the glass. Their cross-section is a "C". A roller on the end of the window lifter's arm rides in the rail.