Question - 1975 450SL Roadster- will it have value? Classic? Collector please help

Very, very unlikely. IMHO the only possible MB investments from the seventies are the M100 6.9-litre engined 450 variants, of which the SL was not one. Even these though are unlikely. You may (again IMHO) be better off looking at the earlier SLs, which are in my opinion (yet again) likely to see a small upward trend over the next few years.

Remember this is all just speculation from my side, and you should always take whatever advice you get in a newsgroup with a pinch of salt and a large dollop of common sense. I do not proclaim to be an expert on this subject, I am merely providing an opinion. In other words if you lose a bunch of money don't blame me!

Ciao

Zak

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Well, there are a few here. :-)

The plus of this car is that it was MB's longest running and most popular body style. It was produced from 1972 to 1989. That is also the downside. You have an early one with the heavy and less powerful engine, simple suspension, and a lot more age. The 89 560SL will probably have the most value, and is unsurprisingly the most expensive. However, if you buy it right, and enjoy the car, who cares. If you want an investment, look into government bonds. :-)

Lee

Has "only" 300,000 miles on it, but it needs another soft top, a new paint job , new front suspension parts , the motor gone thur , then there's the transmission leak, the clunk in the rear end, but the seats are in good shape! lol