Engineering Secret Menu Mercedes NTG4 NTG 4.0 (2011 Mercedes GLK 350 - X204)

Accessing the "secret" Mercedes engineering menu. This will give you access to lots of information about the settings / parameters / configuration of your vehicle's systems (primarily the Command system, audio unit information, navigation, etc.).
Please excuse the dusty dash - I did this video a few thousand miles from home in the middle of a long road trip. ;-)
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