Ok, pretty much on every W210 I have driven, I have noticed the front seats to "shift" when stopping and going. SO annoying. Its more audible than anything. I noticed that when the seat is in a higher (height) setting, it is more prone to do this. It is most likely the joints in the seat frame itself. Is there some kind of fix for this, short of replacing the entire seat? I am pretty crafty and have no problem removing the seat to make modifications. I was just wondering if anyone else has mitigated this annoying problem?

thanks!

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93 300D 2.5 Turbo, Black/Palomino 273K
09 E350 Black/Black 41K