Interesting to look through different marques:

This site is from the UK, but I bet the same thing is happening around the world...Old cars are dropping off the registration books, or being crushed.

Site: How Many Left?

MB: Search results for 'Mercedes' - How Many Left?

W108 280SE: MERCEDES 280 SE AUTO - How Many Left?
2001: 1,600+
2011: 117

300SEL 6.3: MERCEDES 300 SEL 6.3 AUTO - How Many Left?
2001: 14
2011: 9

"Nice clean survivors" of any model are going to be harder and harder to find.

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Looking for Early 108 windshield surround wood in decent-to-good condition.

guess I better hang on to my W115- might be worth something one day!

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Sold, but not forgotten:
1964 Ford F-100 "Maybelline" miss her
1960 Ford Falcon Ranchero
2 - 60's Econoline Scooby vans
1965 Plymouth Belvedere II, also missed
Currently:
1971 220
1980 Honda CR250
1973 Yamaha DT-250
2003 SV-650
2000 Honda Odyssey

and waaay too many motorcycles to list here