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).