WindBlox - Windscreen for Mercedes CLK This is the number one rated Mercedes CLK wind deflector by WindscreenReview.net. Prevent noise and turbulence in the cockpit when driving top-down; causes no glare Warranted for life + 30 day trial period (with free shipping back from US addresses). Made for speed - this Mercedes CLK wind deflector is rated for usage up to 150 MPH. Wind deflector never yellows from accumulated sun exposure. Made from premium double sided AR Polycarbonate, the best available material for this application