$212 @ Fastlane

http://catalog.peachparts.com/ShopByVehicle.epc?q=1994-Mercedes--Benz-E3--0--Wagon-Climate--Control&yearid=1994%40%401994&makeid=63%40%40MERCEDES+BENZ%40%40X&modelid=6391%3ABT%7C6%3AED%7C10000022%3AMBC%7C1522%40%40E320+Wagon&catid=242213%40%40Climate+Control&subcatid=242227@@A%2FC+Condenser&mode=PD

Unless there's something else missing from the estimate, I don't see $1400.