How to use it? 1) Before tear the adhesive tape, put the trim cover against the speaker and make sure all sides are completely flushed with the original speaker without you applying any force. You can adjust the cover by bending it from different sides so it fits perfectly. If you do it without proper flushing the cover, the adhesive tape will not be able to hold it. 2) Clean and dry the area by a acohol wipe. 3) Tear the adhesive film of the tape at both sides. Do not touch the adhesive area because that will introduce dust particles and the product will not stick correctly. 4) Heating the tape makes it stick more firmly. and hold the this cover from the middle so you are not touching the adhesive. 5) Attach the cover to the speaker and hold it for 1 minute by pressing all sides. 6) You can use the the original adhesive tape ot replace it with 3M double sided tape. Specification: Model: matte Material: stainless steel Color: black Applicable models: only fit for Benz New C Class W205 2015-2017 Package: 1 pair Audio speaker cover

Notice Before use: it is recommended to bake the double sided adhesive tape of the horn cover with a lighter, which will stick more firmly. Adjustable---The product is affixed to the middle mesh position, the front end is soft, you can adjust it by hand if it does not fit. Function---Improve the grade, anti scratch and anti wear. Applicable models---only fit for Benz New C Class W205 2015-2017. Premium Material---Made of stainless steel, durable enough.