I have found the cause of my blower motor problem! There was a plugged drain which was causing water to back up and into the blower compartment. This led to water leaks in other places too and it looks like I'm going to need some new electrical parts!

Is anyone parting out a W220? I'll look up part numbers when I can but for now, I need the electrical gear that lives under the right rear seat - fuse box, relays, control modules, etc. I also might need some wiring depending on how it's put together inside- I do not know yet.

many thanks!

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1967 250SeC
1979 450sel 6.9 (usa)
2009 S550