Easy installation, automotive adhesive is attached. For B Class W247 X247 2019 2020. Determine the installation location and then make comparison of the product and installation location. If the product doesn't fit your vehicle, please contact us immediately and don't install. In order to achieve better effect, we suggest to heat double sided adhesive by hair dryer or lighting. Alignment position and then paste, the paste depends on paste conditions and correct way to install. Installation Instructions: 1.Clean the place where you need to paste, then wipe the dry with towel or tissues. It can't accept to have the , the , the wax . 2.Determine the installation location and then make comparison of the product and installation location.If the product doesn't fit your vehicle,please contact us immediately and don't install. 3.When you tear off the double-sided adhesive of the cover trim,you can't contact the double-sided paste with hand. 4.In order to achieve better effect,we suggest to