The auto dimming will darken the mirror automatically when the cars behind you or on the side is too bright or with high bean as well as cars from opposite direction with to bright headlight or high bean. It will then clears back to normal when the brightness reduce from cars in front or behind automatically.It is easy to remove and mount the new one on yourself without the technician. Good Luck and thanks for looking.... The item "FACTORY OEM 2013 2019 Mercedes CLA250 CLA45 Auto Dim Rear View Mirror Homelink" is in sale since Wednesday, August 28, 2019. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Interior\Mirrors". The seller is "auctiondealonline" and is located in Sunnyvale, California.
This item can be shipped worldwide.