I noodled my mother's 300D the other day, and *BOY* what a difference it makes! It doesn't quite have that "factory new" feel, and if you try and stuff too many noodles into it (like I did.. I got a tad overzealous), it can be incredibly firm.. but it certainly helps.

Put it this way, the driver's side seat was so low that when I sat on it, my entire left side sank to the floor (practically), I always slouched towards the door due to a broken spring, and I could barely see over the wiper blades. Alas, I couldn't even see the MB star! After noodling it, I was so high up that it felt like a new car, and I could see the hood star without any problems!

If someone like ME can do this, anybody can. I suggest anybody who has a sagging seat, tired tush, or sloping side to run out, grab a few dollar store noodles, and fix those seat springs. Your butt and back will thank you!

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(Oo{=|=}oO) 1983 MB 300D USA, 212,000mi. 80's yellow/white. "Gunther"
(Oo{=|=}oO) 1984 MB 300D Euro, Turbo Added in Germany, 186,000mi [SOLD] Missing her dearly.
(Oo{=|=}oO) 1984 MB 300D USA Turbodiesel, 269,000mi. [SOLD]