This is the most common "update" owners perform to get the latest road data (e.g., the versions for Europe or North America).
: Map files and a vehicle-specific Activation PIN (linked to your VIN) must be purchased from retailers like Navi-World or via eBay .
If you own a Mercedes from the 2015–2018 era and have never updated your software, doing so is highly recommended to fix Bluetooth bugs and ensure your smartphone integration works with modern devices. Just remember: when it comes to firmware, newer is almost always better—provided the source is trusted.