I just had the front and rear window seals replaced by a MB glass specialist.He came to my house today with a friend/helper and took about 4 hours to re&re the rear glass and replace the windshield.To my suprise there was only one minor rust blemish(rear bottom left corner)which we rust-morted and painted.
Hopefully this is the end of my water leaks for a long time.I had tried to seal up the leak(s) with silicone but it only slowed them down,Ken the glass guy cautioned me about using silicone on the paint because it reacts as it cures and lifts the paint.
Total cost was- seals $350
-labour $150
-insurance
deductible $100
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$600+ taxes cdn=$350US
BTW the windshield and the seals were MB parts,Ken even had the correct sticker for the windshield