That black & grey combo is a lovely one.
I felt lucky to have found my 280SL in Oregon (in the mid-80s). The car had spent its first couple of years in Beverly Hills and after that, until I found it, in Eugene, OR. I agree that the Northwest can be a good place to get 'em.
Tom in Boise
'71 280SL 4-spd, signal red w/lt. tan interior, restored/enhanced