The 91 300D with 113k miles is almost entirely rust free, always has been....just a one inch wheel well spot that I will address. The 98 E300 with 85k miles had wheel well rust when when I bought it last fall, along with a few other spots....it was all professionally repaired. There are little spots here and there underneath the car that I will address with POR-15.

So which one do I protect...which one do I drive through the salt and snow?

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14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 154k miles
06 E320 CDI "Rutherford", Black on Tan, 172k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver on Tan, 142k mi, wastegate conversion, ALDA delete

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