Finally, went to see the 61 today. Looks great on the outside, just 30 years of garage dirt. It has'nt ran since 1984. But the interior looks rough. I think it would be would run if tinkered with. They want 2300. ????
If you start a thread like this and you want our opinion in my mind you need to put up some photos or else we are all just guessing.
About the 220Sb in general:
Later cars are more desirable than earlier ones for technical reasons: brakes, automatic..
Earlier ones were nicer and more durable inside.
The body is the same from 1959 through 1968 though they stopped 220Ss in 1965 (with the start of he w108-line) and only kept one model (6cylinder) the 230S until early 1968 when the /8 came out or known as w114/5 sedans. As said Look out for rust.
1. Rocker panels (or just the tips), if bad the jack points will give like butter when you try to jack up the car.
2. Cross member under radiator.
3. top edge of inside fender where the fenders screw onto body.
and bottom edge of the fender near front door.
4. Bottom of doors
5. trunk floor and bottom of trunk/rear fender (spare wheel wells) also rear wheel arches.
6. if really bad: the frame rail inboard from the rear wheels above and where it swings over the rear axle.
All of it fixable, but the more and the better you do it, then cost usually out-runs the value of the finished car.
For a decent runner you can weld on flat patches, but that's just to keep it from falling apart.
take a screw driver and poke.
take some gloves and see if you can turn the motor. If it's frozen it'll be questionable if this car is gonna make it back on the road.....
Now you have an excuse to go back and take photos especially underneath.
I'll tell you more if you bring photos....about the price etc....
I have several of these here in CA, so I know these cars....well