My w126 300SE recently had a similar problem.
Do a search on the archives.
My indow regulator had to be replaced. Some of the teeth were shot. The sheetmetal frame onto which the regualtor is bolted bends a bit outward when the window is closed too tight.
This can cause a tearin that area. That can be expensive.
Open up the door panel and inspect .
For the time being, just roll up the affected windows slightly snug then tap it in until no wind noise is heard.
No need to jam it all the way up, sp. with an automatic
Simple cause may be dirty-sticky window guides.
Don't let it go!!
1979 300D 199 K miles
1995 C280 95 K miles
1992 Cadillac Eldorado Touring Coupe 57K miles
1979 240D 140Kmiles (bought for parents)
SAN FRANCISCO/(*San Diego)
1989 300SE 148 K miles *SOLD