I have a 1984 300d that I am thinking of using for a airport sedan/limo service. Would also be used for business travel. It has some minor rust that I need repaired and it needs a paint job. Total cost would be 4-5k.

Would it make more sense for me to travel south out of the corrosion states and find a good 300SDL for 4-5k and use that for the limo service? Does the SDL have a bigger interior? It just doesn't make sense to spend 5k on paint when I can spend 5k on paint with a whole other car under it.

Besides oxidizer and head issues, is there anything major to look for when looking at one of these vehicles?

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1984 300D Turbo.