The front looks repairable, get some good second hand fenders and hood from a junkyard W126, lights, grille, bumper, do the necessary underhood work, repaint as necessary, and it would be back, but what about the back?

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'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.