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Originally Posted by KCampbell
I'm interested in this too. My rear end is "squirmy", for want of a better word - it just doesn't feel right. On leaf spring vehicles this has always been down to the spring bushings and shackle bushings, so I'm assuming in this case it's sub frame mounts and trailing arm bushings that are shot.
Unless Mercedes uses some form of bushing material unknown to other manufacturers, there's just no way any of them are any good after 175K. Same with the springs, the steel has the same mechanical properties as all other springs and they're just worn out by this mileage.
Kevin
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Steering went squirrelly during deceleration and braking.
Everything is fine under acceleration.
I hit a patch of black ice, feathering the accelerator to maintain control, I felt the trailing arms shifting and flexing.
A twenty inch pry bar between body and trailing arm/bushing area gave me 4mm trailing arm movement.
Close examination of bushing shows the rubber coming out one side.
The outside bushings on both sides are very bad.