I saw somewhere that W126 transmissions have a flawed "B-2 piston" and it said to replace it right away with an improved part or your transmission could fail and you'd be out a tranny. It seems like if this was a huge problem I would hear about it more often. Does anyone know anything about this?

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'86 420SE Euro
904 Midnight Blue, Gray Velour
Dad bought it new, now I own it.

"A Mercedes-Benz is like a fine wine, it only gets better with age."