I Just did mine and what I did was took the arms out and then took it to a foreign car place and had them replace the bushings I got from Mercedes.. The springs was not hard to do.. I replaced the lower ball joints as well while I had the arms out..

Peter

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Peter L. House
1998 Sport E430
Azure Blue
110,000k Miles

1987 Oldsmobile Cutlass Salon
V8 Bucket Seats
Factory Moon Roof