Checking my notes, I believe the 420 has the self leveling suspension similar to the E320 in the rear. In that case you will need "spheres" also known as accumulators. you will need one for each side.


check the link below.

http://catalog.peachparts.com/RenderScriptTemplate.epc?_cmd=epccat_VehicleAAA&cookieID=28J1ADPIU2F91DOERC&yearid=1994%40%401994&makeid=MB%40%40MB%40%40X&modelid=E%2D420%2D001%40%40E+420+Sedan&catid=L%40%40Suspension&mode=PA&subcatid=L7040@@Accumulator&source=www.peachparts.com&clientid=catalog.mercedesshop

I installed a set on my wagon and other than the tight working spaces under the passenger side of the car, these units were a straightforward install.

__________________
Brian G.

1994 E320 Wagon with many warts SOLD
1995 E320 Wagon with a beauty mark or two FOR SALE