Water Leaking through Windshield Headrail - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 05-04-2011, 10:28 AM Thread Starter
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Water Leaking through Windshield Headrail

Have '86 560SL - recently, when car is caught in rain, water leaks into cabin... dripping off of rearview mirror or when cornering, leaks out of dome lights in headrail of front window. The rubber gasket between headrail and convertable top is in good condition and keeps the top of the headrail dry. Happens if the car is parked or being driven (it is worse when driving.) I am thinking that the seal between the front window and the frame has degraded. Is there a way to check this? Is there an easy fix?
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post #2 of 3 (permalink) Old 05-06-2011, 08:41 PM
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These were glued in windshields, the glue may have degraded over time and is leaking. If you go over to the 107 forum, there will be a lot of very dedicated people that will be quite wiling to help.

Remember: It's not just a car. It's an Adventure.
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post #3 of 3 (permalink) Old 05-07-2011, 02:25 AM
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The simplest means of checking a windshield gasket is with a garden hose and a friend. Starting from the bottom of the windshield, spray a gentle stream and move your way up until you find a leak. Or two.

I did this with my 108's leaking rear windscreen. Once I found the leak, I allowed it to dry out a few days and then sealed the outside portion of the gasket with black sealant - it cost me something lie $2.50 at Lowes. Once it dried, I used a razor blade to scrape away the excess.

I'm not familiar with your car's molding or chromed bits, so you may have to remove beauty pieces to get to the gasket.
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