Sad, but there's a silver lining. At least you got full price for it and sold it in due time. If the rear subframe mount had failed while it was still in your hands, you would have a hard time selling it.

__________________
'81 MB 300SD, '82 MB 300D Turbo (sold/RIP), '04 Lincoln Town Car Ultimate

Sooner or later every car falls apart, ours does it later!
-German Narrator in a MB Promotion Film about the then brand new W123.