David, you can short-circuit ebay auctions by showing up to view the car before auction ends and fanning wad of cash say $10,000 in auctioneers face. Even me the cobbler thinks you'll never see 220SEb comparable to this manual windowed sunroof 4-spd coupe at 75% cosmetic/immac restored condition for less than $8-10K USD.

My chief concern would be pitted bores, fouled injector pump, dried out seals, corroded rings and petrified leaky fossil hydraulics from sittin undriven - with ridiculous low 27k miles spending most its life in estate garage at tiny little Hawaii island. Do not be nutty about rust, says me. But I'm assuming you're interested in rare pleasure of owning/driving 1960's MB for highest and best USE VALUE instead of collecting garage art.

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'80 300SD/ w116
'79 240D 4-spd
'71 750cc Guzzi

previously owned:

'83 240D 4-spd
'77 280SEL 4-spd
'74 280/8
'72 250/8
'65 220Sb 4-spd
'63 220Sb 4-spd
'63 190c 4-spd
'61 220Sb 4-spd
'60 190b 4-spd