Installing Double Din in 2004 Harmon Kardon Mercedes

[The_Grimy_One 10+ year member]

I am looking for some insight on how to run an aftermarket headunit in my Mercedes.
I do not need anything fancy. I just cannot stand the stock headunit.

I guess I am most interested in the bare minimum I need to make this happen, and has anyone done it?
I do not care about having FM/AM. I do not need to retain navigation, or a CD changer.

I probably won't even bother setting up the steering wheel controls, but maybe I will if it isn't too hard to setup.

I know everything revolved around the MOST fiber optic interface... But that is about as far as I have gotten.

Thanks for your input.

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[MDCTA]

I'm replacing everything in my 2007 Mercedes CLK350. From my understanding, if you replace the head unit you must replace the factory amp also.

 

[The_Grimy_One 10+ year member]

I'm replacing everything in my 2007 Mercedes CLK350. From my understanding, if you replace the head unit you must replace the factory amp also.

That is what I used to think as well. But I have been doing some research, and the MOST fiber optic amp interface will allow your aftermarket headunit to send a signal to the stock amp. At least for the Harmon Kardon setup. What I am a bit confused about is that you need to either terminate the fiber optics with a loop, since the deck and the CD changer use fiber optic. Or maybe you can leave them plugged in... I am not 100% sure yet. I will send you some of the info I have found.

 

[The_Grimy_One 10+ year member]

Bump

 

[ciaonzo 5,000+ posts]

Sounds like mess, I hope you get it figured out!