Well my 2002 C 240 didnt have a cd chnager so i got a one for it from Mercedes and they told mne that cable is in the car to hook it up. I canty find the cable and the techicansd told me they cant tell me where it is becasue its always different and they chagrge 300 for installtion anyone know where that cable is for the cd changer its the power cable for it not the opictical i have that its likea three prong power cable