I priced new ones for my 88 300E at the dealer. Wasn't too bad, something like $65 each for the fronts and $35 each for the rears. I decided not to spend the money and sprayed mine with SEM Color Coat palomino and while not new looking they look about 80% better than they did before.

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1992 400E current
1988 300E sold
1973 280C totalled
1973 280SEL never got it running
1971 250C my first love but rusted out