These interface harnesses work well when wired up as stated, and only providing 1amp of current. In the manual on a majority of these harnesses it calls out the 12volt switched is only 1amp. Look at a PAC audio interface harness(for GM, Chrysler, etc.). With this, you will be able to watch videos as you play music. The HIZPO 6.2-Inch Universal Double 2-DIN plus Reverse Camera is a classy stereo with an ergonomic interface hence will support a dual-zone function.with the analog to digital fiber converter that is needed, kits run $450 or less. **EDIT: Xtrons, who is the manufacturer of the Head unit i chose to go with, now offers complete 'plug and play' kits for all different Benz models 2003+ with MOST fiberoptics.
