Aux input on 2003 W209 (NOT)
Personally, I'd just install an aftermarket radio. There are many choices in double-DIN units that can be installed with a simple dash adapter kit. Of course it won't look exactl "factory", but on the pre-facelift model, it's not too bad.
It fit under the rocker panel (Passenger side) behind the kick panel. I ran the wire into my glove box now I can use my phone, iPod or mp3 to play music through my stereo system. It is not blue tooth but at least I have many more choices then just the radio or CD Changer.
Last edited by Timewarpone; Sep 26, 2016 at 03:10 PM.
Just replace the POS comand with something more modern. Stop dealing with stereo tech from 10 years ago.
I shudder when I see people select a navigation destination letter by letter with some sort of dial or button.
. Get rid of this old tech people. You can get an android unit for like 350$.







