I don't like to hurt people's chances for a sale, but because you asked if your price is out of line...
Here are 5 of the same rim on ebay for $1100. With lugnuts and hubcaps.
Mercedes 250 280 350 SL Rims 250SL 280SL Lightweight Aluminum "Steelie" Wheels | eBay

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1968 220D, w115, /8, OM615, Automatic transmission.
My 1987 300TD wagon was sold and my 2003 W210 E320 wagon was totaled (sheds tear).

I removed the this listing, and many more from ebay.
I am tired of paying ebay and PP a big %.

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mercedestopseals custom seals to rebuild your r129 hydraulic top cylinders
used updated engine harnesses, ETA's including v12 c/s/sl 600
m119 aluminum cam oilers
Parting out:
92 500SL White Blue/White 110k -scrapping soon
92 500SL Sm Silver(bronze)/Tan -scrapped have all body parts + trans
92 500SL Blk/Palomino -scrapped have hood,trunk, pass fender+door
+ Lt Grey (white car) and Black front bumpers
+ Grey kinder / rear seat r129 90-95 style