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Change shocks or accumulator on a 560 SEL

5108 Views 13 Replies 8 Participants Last post by  keifer103
I'm a long time Mercedes lover, but only a recent owner of my "weekend drive" : 1987 560 SEL. It has 213,000 miles but it drives very good. The only problem I am having is when I drive, the rear of the car bounces too much, messing up the ride. I have looked into it, to replace the shocks (which are self leveling suspension) but I dont know if I should replace the accumulators first, since they're less expensive. An interesting "symptom" is that my rear sits much lower than the front of the car.
From anyone's experience, are the shocks gone, or the accumulators need to be changed? I searched the site, but not much help on this topic. CAn anyone give me advice, link, and/or supplier for these parts? So far I have my eyes on Bilstein.
I'm only 22, hoping to expand to my collection...
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Go under the back of the car to see the two grapefruit sized accumulators back there. With the engine off, crack loose one of the larger fittings and let the system bleed down. One bleed does both accumulators.

Take off the larger hose and put a phillips screwdriver into the hole in the end of the accumulator. If it goes in about 2" and stops, then that accumulator is good, go do the other one. If the screwdriver goes all the way in (>4"), then the bladder in the accumulator is blown and you will replace BOTH accumulators. It's that simple. Bad or good with one test.

Three bolts hold the accumulator in place, two fittings. Piece of cake. Buy the new accumulators from Jonathan and drive them for the next fifteen years.
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