No, I am not putting in Mobil1. You must know that only MB trans fluid goes in these things.

these fill for life trans often get discolored after 60-100k miles. somne may even say that is normal. Just want to know based on real life experience what you've experienced when changing fluids on these trans. Does the new fluid with fresh viscocity coeff and detergent capabilities take these trans' down given the info i provided? Trans fluid has never been changed and it's been 100k.

BTW, I suspect the 3x1.5x1mm shards of steel are pieces of bearing races or cages.

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1972 450SL
1982 300D Turbo