rear mirror broken- 1996 E 320 Mercedes

My rear mirror is broken on my E320 1996 Mercedes. Can anyone tell me the best way to fix the problem without having to take to a car place. Also is
there a good fix it manual for this car?

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.