Audi A8L MMI Mechanism's gears are easily broken, and that's also the reason why the screen get stuck.The total cost to replace screen is about ￥6000 ($892), therefore it's better replace only gears, which will cost less.
Screen Gears Repair Kit 3 pcs for Audi A8 S8 MMI Mechanism 4E0857273D Fit 2003-2010
100% brand New.
Sizes: like the picture show.
Part Manufacturer Number:4E0857273D
* Spare wheels are made of bronze.
* Bronze is the ideal material. Wheels made of plastic is easy to break.
* When to use this repair kit: when you hear funny, cracking noises from your MMI unit, or it doesnt open properly, or its stuck closed some of the gear wheels is completely broken or damaged.
* This kit contains the 3 wheel gears responsible for the proper work of the mechanism.
For AUDI A8/S8 2003-2010
Professional installation is required you will need to visit your LOCAL DEALER to repair.
1pc x Gear Repair Kit(3pcs)