changeover

Hi guys, another newbie here :) Firstly, I have to say a special thanks to the members of this forum, I have find a lot solution for my car previously. :) Unfortunatelly, now I am freeze ... I am looking for a connection diagram for my vacuum lines, which comes from the change over valve, part...

Hi, I'm new to posting on this forum, so hope it goes to the right place. I have a mercedes 2003 clk, which has a factory fitted comand unit (which has tv and sat nav built in). From researching online at various things, I'm sure the model of my comand unit is the 2.0 one. Before the switchover...