Those wimpy tack welds to the frame tell me 'don't jack here.'

I still think it's some sort of hold down because the eyes forward of these loops aren't accessible through a hole in the US spec bumper. I don't know that they are in a Euro spec bumper but at least they'd be easier to feel for behind a Euro spec bumper.

Did someone set up your car to roll behind an RV?

Sixto
91 300SE
87 300SDL
83 300SD