If you’ve just seen on your Mercedes screen or service report, you’re not alone. This wording often confuses drivers. Let’s break down what’s actually happening.

The engine must remain running OR a battery maintainer must be connected. Do not open doors (which can wake up CANbus systems) or turn off the ignition during the update.

If your car has never received this update, you are essentially driving with a computer from 2012—prone to crashes and security flaws. By investing 30 minutes and the correct files, you preserve your vehicle’s functionality, safety, and enjoyment.

is the final official release for both Europe and North America. While some third-party sellers list "2025" or "2026" updates, these often refer to map packs or specific hardware modules rather than official Mercedes-Benz firmware. Hardware Compatibility : The NTG 4.7 was standard in various models from roughly 2011 to 2015