I was navigating through 3M website and liked their Window Film Crystalline Series which blocks up to 97% of IR "97% Infrared Rejection" (meaning the solar component that causes heat, so am not referring to a tint that blocks visible light or making the window darker).
Before I go ahead and apply it, I wanted to see if anyone has access to MB glass specification. I know it an infrared reflecting glass, but am looking for a document that references the specifications and exactly the Infrared Rejection ratio of the glass as is to see if the film will add any benefit or not. The glass with no film seems to be okay during summer, but I am willing to try adding this clear 3M Film Crystalline if the glass by itself doesn't reflect enough IR.

Anyone has access to a report or document or MB glass specification used on the W222?

As I recall MB has been quoted stating the IR reflects up to 50%.

Thanks. Any chance we could find a reference to a document or anything online to confirm the number? of OEM is 70% or more then I guess the idea of adding film is useless. but with 50%, I think I'd add a film if that's the case, I wish I could find a document that reference the specs.