GLS Class (X166) Produced from 2016 to 2019

Video in Motion / GLS450 (X166) options?

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Old Jun 2, 2025 | 01:37 AM
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Kristianmartens's Avatar
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2017 GLS450
Video in Motion / GLS450 (X166) options?

Hello helpful friends
New GLS450 owner - bought a beautiful 2017 with all the MB safety doo-dads - gift for my wife's 50th. Love the vehicle so far.
Planning a road trip and would like to be able to have the front Screen play video for the family to enjoy. We do have the after-market MB rear entertainment screens - but there's no way to have the audio run through the speakers (goofy headphones only - which tend to be very finicky).
We like to enjoy stories & movies together - hence the desire to use the front DVD player for this purpose.
Driver won't be watching of course - but will listen along.

Anybody with experience using this NAVIKS product?
LINK
https://naviks.com/i-24075492-2017-2...ionbypass.html

It doesn't appear the X166 (NTG 5.1 with CarPlay) is able to unlock without the physical harness. Older models had a software only option.

Can't find any reviews to determine whether this NAVIKS system works or if it's a scam?
There were some other folks on these boards (bimmerguru, etc) but haven't found anything specific to the GLS450 (X166) - mostly just the older NTG 4/4.5

A related query would be if anyone has figured out how to get audio from a 3.5ml jack into this NTG 5.1 system? No jack obv - only a USB interface which works for CarPlay wired, but not audio only.

Any help - greatly appreciated!
~kris + susie

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