Map Code
Map Codes
Step-by-step guide to generate Mercedes-Benz navigation map codes for COMAND systems.
Overview
This guide shows you how to validate your vehicle details, prepare a USB with the official Download Manager, and generate your unique Mercedes-Benz navigation map code.
Tip: You can follow along on desktop or mobile. Keep your VIN handy.
Video tutorial
Prerequisites
- Vehicle Identification Number (VIN)
- Vehicle region (from the data card)
- NTG version of your COMAND unit
Initial check
Quickly verify supported regions, versions, and required USB filesystem.
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Prepare the USB with Mercedes Download Manager
Use the official Mercedes-Benz Download Manager (DLM) to create your USB stick. Read more about it here.
- Download: Click here for DLM
- Follow the Initial Check above for the correct USB format and version.
- Once created, insert into your car's USB port.
- If the car prompts "install software update", proceed with the continue button.
- Make sure the version and region are correct and then proceed with installation.
- Once it asks for a Map License Key, you can proceed to the next step.
WARNING: PLEASE MAKE SURE you create the USB FIRST, before purchasing a code from us. You might end up purchasing the wrong license key.
Generate your map code
- Create a free account at mbretrofit.it.
- Open the map generation page from your dashboard.
- Click “Create Generation” and enter your vehicle details:
- 17-digit VIN
- Vehicle region (from the data card)
- NTG version of your COMAND system
- Complete the secure payment.
- Click “Generate Code” — your unique map code is shown instantly.
Note: The whole process usually takes under 2 minutes (excluding USB preparation time).