1991 560SEL Squeaks

I have a rather annoying amount of squeaks (creaks) at the A pillar. Seems worse after a recent windshield replacement. Also moderate amount at the B pillar.
76,000 miles on the car. Any suggestions to decrease the squeaks Silicon spray has been suggested.
Al
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Believe it or not, it might be the door sills. I had great luck with squeaks on my 126 chassis cars using ordinary Gulf Wax rubbed on the sills. I later had a longer lasting result with Carnauba Wax found by accident on a skiing trip :)
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