Installing Double Din in 2004 Harmon Kardon Mercedes


The_Grimy_One

CarAudio.com Veteran
Apr 27, 2011
4,376
53
Phoenix, AZ
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.
 

MDCTA

CarAudio.com Newbie
Feb 23, 2021
8
0
Vinita, OK
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

CarAudio.com Veteran
Apr 27, 2011
4,376
53
Phoenix, AZ
  • Thread Starter Thread Starter
  • #3
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

CarAudio.com Veteran
Apr 27, 2011
4,376
53
Phoenix, AZ
  • Thread Starter Thread Starter
  • #4
Bump
 

ciaonzo

TheContinental
5,000+ posts
10+ year member
Feb 1, 2009
11,689
192
WI
Sounds like mess, I hope you get it figured out!
 

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