: Unlike older systems, NTG 4.7 requires a unique License Key (PIN) tied to your vehicle's VIN to install new maps.
Simultaneously press and hold three buttons on your dash panel: + 1 + # . ntg 47 firmware update updated
at the bottom of the screen, replacing the brown theme found in NTG 4.5. Update Options & Modern Upgrades : Unlike older systems, NTG 4
If you are looking for the official documentation regarding these updates, they are typically classified under the following internal Mercedes-Benz headings: : Unlike older systems
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Always back up your current map data and system configurations before attempting any firmware or map updates.