MCARCAR KIT Pure Carbon Fiber Rear Trunk Spoiler Compatible with Mercedes Benz S Class W222 S400 S450 S500 S550 S560 S600 S63 S65 AMG Sedan 2014-2019 INSTALLATION INSTRUCTION: Clean the place where you need to paste and then wipe the water with towel or tissues. It can’t accept to have the oil ,water, wax ect.Determine the installation location and then make comparison of the product and installation location, if the product doesn’t fit to your vehicle, please don’t install.When tear off the double-sided adhesive, please do not touch the double sided paste with your hand.In order to achieve better effect, we suggest to heating the double sided adhesive by hair dryer or lighting. (It can't over 40 degrees).Alignment position and then paste, the paste depends on paste conditions and correct way to install. Please pressing 20-30 seconds or more when paste and stay dry in 48 hours for the best firming result.