I have a 97 C230 that was purchased Starmark. Original trans at 140k. I had a LOT of electronic work done during warranty, 61-100k. I have spent $300 for a MAS in the last 40k miles. You have a rock-solid car, and I would keep it and put the miles on it. Just do maintenance

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

current: 08 C300 Luxury , 92 500SL