Let me start by saying that I have found ths site invaluable in my quest to deal with the many issues that my 1983 300TDT 320.000 miles has had and some issues that still need to be addressed.

I don't post because I can't type. I use the hunt and peck method and I am physically challange at that. Most of you would be able the type faster using your toes than I can at full throttle.
Anyway, I have something to add to this site that I could not drag up via the search.
Since I bought the wagon I have had water coming inside the car at the top of the windshield. It dripped a little from the reveal molding both passenger and drivers sides. It would drip right on your left or right knee depending on which seat you were sitting on. This would happen after a rain or a heavy dew in the morning. The water would gather in this reveal molding. (MB service manual 68-400) Additionally, the A pillars would be damp. Sometimes all the way down to the foot wells. And after good rains the floors would be wet under the floor mats.
I cleaned every drain I read about on this forum. Except the back two sun roof drains. I still haven't found them.
This spring driving in a torrential storm coming out of Fla. My daughter and I had to bail the water as it was coming in. It rained for two hours and it was not fun. Funny but not fun. Getting home I did what every other member would have done. I read all the posts on the windshield seals and decided to procede. Coincidently, a friend was having water problems with the rear window on his newly purchased 1980 240d. We pulled that one first. It took 4 or 5 tries to learn how to install the window correctly. Do not bend the decorative molding !when replacing the windshields. Spend as much time as possible cutting out the old rubber without bending the aluminum.
After fixing his without a leak. I pulled my front windshield, being extra carefull not to bend the aluminum molding.
The PO had the windshield replaced before and the clown that did the install used generous amounts of 3M polyurethane adhesive. It took countless hours of work to remove the adhesive remains without grinding out the paint.
By the way, curiously there was no rust on the body seam where the window seal pulls onto. It looked new. I replaced the windshield seal, I also bought the MB window sealing compound. I did it right (like we all do), I waited a couple of days to let it sit before taking the car out in the rain. When I did take the car out in the rain. (I live in Ohio, it has rained every day this sping I think) The same leak was still there! What the ***** I researched some more and emailed for help. Thanks Fred.
To get to the point. I knew that the windshield seal was not leaking. I removed the interior top reveal molding (the piece that the sun visors rest in) and peeled back the headliner to see that the SUNROOF DRAIN PAN SNOUTS ARE RUSTED

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1983 300DT 173,000miles sold
1983 300TDT 320,000miles sold
1985 735i 189,000miles sold
1986 528e 210,000 miles sold
1991 740 Volvo 250,000 miles
2002 VW Jetta TDI 32,000 miles sold
1995 E300D 137,000 miles
2004 Dodge Sprinter 26,000 miles
1986 325e BMW 94,000 miles
1986 325e BMW 148,700 miles
Mike