I have a 1980 300SD right now, and I'd like to get another Mercedes. The question is...what? They are rare enough up here as it is, so I'm trying to figure out what would be a good addition to my 300SD that wouldn't be extremely similar, but that would make a nice second Benz.

And yes, I'm aware that any good Mercedes that I can find would be a good second, but if you had a 300SD and could only get one more, what would it be?

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79 300SD - $50 out of pocket purchase
03 Dodge Ram 3500 CTD
2003 VW Jetta TDI