240D, Water in rear floorboard

Over the years, I've had three 240D's. Out of the three, I've had two of them that would leak water into either of the rear floorboards during a rainstorm. Sometimes it can rain hard and there will be no water, other times a light shower will fill the rear floorboard.

One of the leakers had a sunroof, the other did not. But, I really don't believe the sunroof has anything to do with it. I have checked to make sure the drains are clear along the framerails and in the trunk. I've dealt with this problem for years and have never figured it out.

We had a rainstorm and I got a little water this time, so I remembered to post this question. I've gone all these years without a forum like MercedesShop to ask.

Has anyone experienced this problem? Any ideas?



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Larry Bible
'84 Euro 240D, 516K miles
'88 300E 5 Speed
Over 800,000 miles in
Mercedes automobiles