I have a 2006 cls (c219) with full command (NTG 1) and Harmon Cardon. This seems to be the same system I had in my 2004 w211 E500. However for all the audio functions (radio/cd/dvd) I only have the ability to balance the sound left to right. there is no facility for a fader front to rear. In the E500 I was able to adjust the sound using the cross hairs front to rear and left to right. My qustion is ; is this normal on the CLS and if not (which I expect) why would mine have no fader facility.everything else is the same as the w211.