Brother !
Now I "See" why you're over here.
NO CONDENSERS offered for that year model chassis O.E. or Aftermarket
(Let's hope it's not now Unobtainium!)
Mercedes Does have a Classic Center in Deutschland
https://www.mercedes-benz.com/en/mercedes-benz/classic/classic-service-parts/mercedes-benz-classic-service-parts/
And if you can't find it anywhere else I'd give them a call!
These guys are very knowledgeable and May be able to steer you to a local supplier.
https://www.mbclub.co.uk/forums/
I "SEE" a lot of different UK Parts Suppliers online BUT
'Have no idea which ones are "Dodgy" as they would say in Londinium.