'02 E320 WAGON Shock repair question - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 10-22-2009, 05:37 AM Thread Starter
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'02 E320 WAGON Shock repair question

Recently, w/ 110k miles, I took my car in for repair to the shocks (it was riding rough). Front shocks were repaired fine, but shop disassembled rear PNEUMATIC shocks w/o knowing that the were pneumatic (i.e. Load-leveling) ... I didn't know either.

Anyway, they had ordered the wrong parts, so they put it back together with the old ones (continuing to tell me that I still needed to have the $1,000 repair ... which I believe is untrue).

As a result of improper reassembly (I believe), I had an immediate rear emergency brake shoe failure, resulting in additional damage to the car.

Can anyone confirm/dispute whether dis-assembly/re-assembly of the rear Pneumatic shocks in a '02 MB Wagon can affect the emergency brake shoes?

Shop denies all responsibility....
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post #2 of 2 (permalink) Old 10-22-2009, 07:41 AM
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You are paying for incompetant mechanical service. The fronts can be done by a high school student, the rears are hydraulic struts that are fed thru a valve and are in line to hydraulic spheres (accumulators). The accumulators have adiaphram and the hydraulic oil and nitrogen are seperated. As the spheres fail the spheres fail and the gas leaks out, oil cant be compressed any more and therefore the rough ride. The hydraulic struts (shock look alike) can fail, they usually leak.
The only way the brakes can be screwed up is, by doing something to either the cables, running in a lug bolt without the wheel, or something else, but not the strut.
They, dont know a thing, by the way the power steering pump also serves both systems and MB oil is required. Sometimes it makes sense to use the dealer or a competent indy
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