BenzWorld Senior Member
Date registered: Jan 2005
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RE: SEL300 Airbags
At the risk of upsetting the sponsors,you can also buy rebuilt valve assemblies from Star Motors.[url]http://www.300sel.com/[url]
Neil,the boss, has a good guide you can download to run a quick check on your air suspension.
I'll bet you that the front valves are leaking from the part where the shaft goes in.It's common and can be very hard to track down.replacing the valves will cure it,the bags only need to be changed when they either burst,or if the cracks are starting to leak.They ALL have cracks,so don't worry about it.