My 1998 E300D has the predictable beginnings of wheel well rust on all four corners. However, it's only visible on one of them (front left). My auto body guy tells me it will cost me about $160 a corner....pretty reasonable.

Solution 1 is to get him to do the front left, mix me some extra paint, and then go to town on the other three corners with POR-15 and the touch-up paint.

Solution 2 is simply to be done with it and have all four corners professionally repaired.

If I believed that Solution 2 would buy me at least several years, I'd be happy to do it. But if it's simply going to create the illusion of addressing the rust, it's probably a waste of my time.

What would you do?
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14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles
06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion

19 Honda CR-V EX 61k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife