Reassurance, or jinxing myself, I was fortunate to have had CPO fixes for mine from 80-95k, including conductor plate, controller, and 2 fluid and filter changes since then. It now has 155k of mostly highway miles, so 70k in 2 years. Yes, I drive the hell out of it, and though it's highway, I give it a workout quite often, and it usually does fine, with the occasionally funny shift. I'm about to do another fluid and filter at 160k, or 40k interval. I'll see what the shop says about wear particles, etc.

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former: 83 300D, 97 C230, 93 400E

current: 08 C300 Luxury , 92 500SL