Please kindly check your car model and make sure the model fits in case of buying the wrong product.Specifications :Material : High Carbon FiberColor : Black Carbon Fiber LookInstallation : Direct Add OnPlace on Vehicle : Inner, RoofPackage Including :1 Piece of Roof Reading Light Switch Cover Trim( Adhesive tape is attached on the back. )Fitment :For Mercedes Benz C Class W204 2007-2013For Mercedes Benz E Class W212 2010-2012Feature?-According to the original factory specifications.- and high .-Decorate your car charming luxury vivid.-Perfect cover that is useful, helpful and so practical.-Made of light weight top-grade durable carbon fiber material.-Will dramatically improve the sporty appearance for your car.Method Of Installation:Step 1 Please clean the area and eliminates the substance before mounting this product.Step 2 To check the installation area according to the vehicle with this product first and then release the back of adhesive tape paper ( double-sided tape, a label ) is removedStep 3 Products are equipped on the vehicle with exactly and use a clean cloth to press evenly is attached.Step 4 Products within 24 hours after installed, please avoid washing your car and touching the water.Installation Notice :1. No installation instruction included, professional installation is highly recommended!!!2. Any damage and improper installation during the installation will be void3. Before stick it please clean tiny particles and dust on the surface.4. Please allow 0.5- 1 inch difference due to manual measurement. ( 1inch= 2.54cm )*