Why your Mercedes Benz E Class need a tempered galss screen protector? The All-New 2021 E Class is truly the best car in its class,It owns a big touch screen.Our Wonderfulhz tempered glass screen protector can protect the screen like this: 1:Anti-scratch,Shock-resistant,some hard stuff on the car just like key,pen,tools or the other will scratch the screen,Especially when you use a towel to clean the screen,it will be scratched, it will provides a layer of protection after the screen protector is attached,it is hard to scratching,and it reinforce the actual screen 2:HD-Transparency,100% light transmission, paste it make your Mercedes Benz E Class 12.3 inch screen looks great like nothing was sitting on top of it 3:0.33mm Thickness,Ultra-thin product attributes make touch control more sensitive Wonderfulhz Tempered Glass Screen Protector Installation Tip: Step1: Please keep the Monitor screen clean.Open the patch Installation/Cleaning Kit Pack.Clean the screen with wet wipes firstly,then clean the screen with Dry wipes.Before making the step 2,Please keep the screen clean,no remaining dust,water or other impurities,This is the most important step Step 2: Peel of the protective(Black Tag)mask before application the tempered glass.Make sure put it in alignment,hold your hands gently on both sides,please do not touch the adhere surface starting this application from the top to bottom will be easier Step 3: Gently and carefully adhere the tempered glass on the screen completely from the top to bottom air bubbles can be piled out from the closest edge Package include: 1. Tempered glass Screen Protector X2 2. Screen protector accessoriesX1