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Hey Everyone, posted this in the w210 E55 forum, but thought I'd cross post here in case someone can help.
I've gone through a bunch of threads (here and elsewhere) to sort out my multi-contour seats. I've got an 01 w210 e55 wagon (Japanese import). I put together a Google doc with a bunch of info I pulled, including pics from other threads. If its useful to someone, check it out here: https://docs.google.com/document/d/1...XThn9CuFA/edit
Before today, on startup I'd get the 20-30 seconds where the drivers seat would inflate and then deflate as the pump shut off. It appeared the passenger seat wasn't working at all or barely, and there was an air hiss from the passenger seat that has gone away in the past few months. Over time, the drivers seat thigh extender air bladder has stopped working completely, during those 20-30 seconds.
I finally got around to pulling the controls off today to check on the nipples and connections. I tried sealing them up with some grease fix, but that hasn't appear to do anything. There are a couple of the nipples that appear warped/broken (check out the pic).
My question is, does this mean I need to replace: 1. the controls/valve cover? 2. The rivets that fit into the metal bracket, where the controls/control valve connects to? On the diagrams in the google doc these seem to be part code N007337 003004, does anyone know if that's correct? 3. The air bladders in the thigh extenders on the both of the seats (these seems to be the biggest failure point for the air bladders)
Or all of them? Any thoughts or ideas would be much appreciated.
I'm not sure how accurate keyboard guessing can help. The description is just that, i.e. your interpretation of a sound(s). Is the sound caused by positive pressure (charging the appliances/part) or is it release pressure which can be 'as designed'. So a more definitive method of measuring would be actual pressure reading ... or spraying parts with soapy water and such. Since the system all originates from the PSE pump, I'd start there and trace the lines heading to the front....to the seat switch console....to the bladders. Troubleshooting this system is my worse nightmare compared to electrical wiring. The pneumatic design is tougher to measure because you can't just plug a DVOM and ping an air hose/connector etc.
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