The only things that will swap are exterior parts and maybe a few interior parts. Transmission won't swap, but the brakes, axles, and suspension parts should be a straight swap. If you need a place to store it, look into a storage facility. Some have the capability to store cars. There are even those that have climate controlled garages, but they probably cost more than your standard storage facility.

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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.