Dang! I accessed the drain from the rear with my bit of weedeater cord, it went in only a little ways before it hit an obstruction. I don't know, for all I know it may be a bend in the line, or else the line gets very small as it approaches the sunroof pan. I think it's hard, caked up dirt as I get a little mud on the cord. I'm making this simple operation MUCH harder than it should be. (sigh)

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'81 MB 300SD, '82 MB 300D Turbo (sold/RIP), '04 Lincoln Town Car Ultimate

Sooner or later every car falls apart, ours does it later!
-German Narrator in a MB Promotion Film about the then brand new W123.