c320 headlamps

I have a c320 with xenon headlamps. Problem is when I am driving at night the beam seems quite high and I have been flashed by oncoming drivers who
think I have my full beam on. How do I adjust the headlamps?
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

Motorsforum.com 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.