I'm pretty sure they made a W123 200D, but it wasn't sold in the U.S.

OTOH, if the OP meant an '82 300D, I can say that my '83 had an MSRP of $30,9xx dollars according to the Nevada DMV.

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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 401,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 26,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.
99 Mazda Miata 183,xxx miles.