Aux heat/vent?
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Doesn't the 3-zone AC include the IR glass?
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The Blue glass has some IR/UV protection, more than the regular green glass but less than the IR glass. The IR glass is also laminated and helps with noise reduction. I had the Blue glass on my W211 sport and did not have the windows tinted and it did not seem too bad here in sunny LV. But I would have preferred the IR product.




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