Ntg 47 Firmware Update Updated _verified_ Jun 2026

Dealers typically charge 0.5 to 1.5 hours of labor ($100–$300) for a firmware update. Independent Mercedes specialists may charge less.

The primary difference between NTG 4.5 and 4.7 is internal hardware optimization. NTG 4.7 features a faster processor, better memory handling, and native support for newer mobile data tethering protocols, which allows the car to use your smartphone's internet connection more reliably. Why You Need the Firmware Update ntg 47 firmware update updated

The last official North American map update was [v20, released around 2019 1.2.3 ]. European versions remained available longer. Dealers typically charge 0

High End Mercedes Benz MOST bus NTG 4.5 4.7 CarPlay & AA Interface better memory handling