Check with this guy. Very knowledgeable. He cuts all kinds of old car glass from patterns. Just up the 91 from you. Street Rod Glass – Classic Auto Glass, Rubber, & Power Windows
It might be but the Merc was a bigger car. I know when we restored my 51 Ford woody the car has Lincoln glass in it and it’s correct for the car.
They look similar. Knowing Ford, I'd wager they interchange. L If you need glass, why not get new windows cut?
Actually, Classic Auto buys his glass already cut to fit. I buy quite a bit and the last batch still has stickers on from Pakistan