Need help fixing AUX with no sound

ILoveMyBenz69

New Member
Joined
Apr 17, 2021
Messages
1
Location
Canada
Car
Mercedes ML350 2015 Bluetech
Hi,

First I have ML350 2015 with NTG 4.7
I bought an Android Unit N600 Snapdragon 625 9 Inch, everything work perfectly, original NTG, 4G, GPS, Carplay.... Except for the sound.
I never used my AUX before since the 4 years I have my truck and just realized it simply doesn't work, even when I plugin an MP3 player, Ipad or Ipod, everything else have sound, radio, Bluetooth, CD..... I even tried with another AMI to AUX adapter

So far a list of everything I tried:
Removed the Ground loop noise isolator I bought to connect directly to the AUX AMI adapter
https://www.amazon.ca/gp/product/B019393MV2/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1 https://www.amazon.ca/gp/product/B019393MV2/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1
Because at first I thought it was my new head unit that didn't had sound coming out to AUX, I plugged in a pair headphone in the cable running in my center console using the Ground loop noise isolator.
Tried another AUX to AMI cable, I also tried the USB to AMI and plugin my phone and I can see it's charging
Resetting command by oldling the power button for a few second.
Removing fuse 100 and 147 for a few second in the fuse box under the rear left seat
Removing fuse 21 for a few second on the side passenger door fuse box.
Tried multiple devices in the AUX that I know have sound
I even removed the Android unit and put back everything to it's original state, just to make sure the Android unit is not in fault.

I took a couple of pics to show my setting and hopefully someone can help.

My AUX is available and selected
20210417_115340_dec173dc9249e46d1b8f023fb296980f0374c883.jpg
20210417_115536_03_775167bdc296fb0e8ebc961f2910d0127637f046.jpg




In engineering menu
7.5 - Most is ON and Audio source is External amp
7.7 - Audio AUX is ON
20210417_115632_a5ee726086d1be6cc996f5ce1d9c3fdfd2ff3b9f.jpg
20210417_115648_087d7516cd2d03f156f286c4da1d12a613e99584.jpg



The AMI I use and I even tried a second one.
20210417_115842a_1dd117188d7fb6d45af5630a6db0a42f7996313b.jpg
20210417_115842b_b935254e392cd1e388c718172b1eefac66903342.jpg




Here's the before and after for those interested on the Android unit, ( My problem had nothing to do with the unit, my AUX doesn't work no matter what device I use)
000_before_ff7d5d009826cef36265e79d6c8880bdf217af3e.jpg
001_after_e0dada3cfd8fe83d06b96d7ba2af19a05d34ef4d.jpg
 

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