I have a set of Wagners and when a couple got rusty, I blasted them with walnut shells. When the buildup gets to be too much, since I burn things often, it's easy to put them in an electric oven during the cleaning cycle. Rinse and then reseason.

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You can get farther with a smile and a gun than you can with just a smile.

1984 300D
1985 300CD
1980 300SD
1993 SL500