These are like $11 from the dealer and they can get them within 2 days every time I've bought them. They're rubber that see a ton of road grime, just get new ones.

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1989 190E 2.0 (Spanish-Spec)- 1988 190D 2.5 - 1987 300D - 1992 300D - 1972 350SL - 1959 190SL - 1985 300D - 1987 300TD - 1977 450SLC - 1983 240D (71HP euro swapped!) - 1979 240D