In going to to replace the headlight shells. While I'm at it I'm thinking of upgrading the fresnel projector lenses with clear ones.

I currently don't know what projectors are in there (2013 C300 4matic). Can someone please tell me which clear projector lenses to look for? Thanks
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Where did you purchase the clear cover?

I bought the pair on eBay. The vast majority are offered by Chinese sellers but I actually found a US seller, mkcorvetteaerokits. He messaged me post-purchase to request my VIN and photo of the font of the car to verify fitment. I hope they are good quality but I'm going to have them clear coated just to be safe.