This is Bryan's 2005 Mercedes - Benz S500 AMG.
We installed the Dension GW500 iPod and auxiliary input interface into this car.
The Dension unit interfaces with the vehicle's stock Navigation / DVD player / telephone / CD changer system. The stereo system consists of several components all linked together by fiber optic cable. The main theory behind his gateway is it cuts into the fiber optic signal loop and fools the car into thinking that the iPod is the CD changer. On the left is a picture of the iPod, installed on the phone holder part of the center console.
Not making any compromises, I installed the iPod and auxiliary in the best possible location in the vehicle. The only shortfall was the iPod data cable and auxiliary input cables were too short. The would not reach the Dension interface module. These cables needed to be extended. The iPod cable consisted of 12 wires, o 24 connections had to be made to extend it. The 9 wire Aux cable required 18 connections to extend. This picture is the iPod cable, extended, before I wrapped the final product in tape.
The phone holder swings out, and you can see the iPod with custom built holder. You can also access the aux input and CD changer / iPod selector switch.
The Dension gateway is tucked underneath the heater controls, out of the way. The length of the fiber optic cable is very limited, so this is the only acceptable location for it.