How to replace wing mirror unit in Mercedes E Class w212

How to replace wing mirror unit in E Class w212 This video does not constitute or replace a real specialised technical manual, and was only made for convenience and educational purpose. “Auto DIY” make no warranties of any kind and accepts no liability. “Auto DIY” cannot be held responsible for any damage caused to devices or persons using information contained in this video. The use of the information contained in this video at your own risk.