Home made spring compressor not mine
Homemade Spring Compressor - PeachParts Mercedes ShopForum
I made the 2 below Spring Compressors from fine threaded 1 Inch rod.
The one on the left pulls the Spring up into the Spring Pearch and holds it there. You can actually un-collaspe the Spring and remove it; but it is a lot of turning to un-thread the Nut.
The other one with the hooks was made so that I would have something to remove the Mercedes Springs but at the same time be able to use it on something else besides a mercedes.
So if you use some common sense regarding the safety issue it is possible to make a usable item yourself.