2021 Mercedes-Benz AMG GT Head Unit Software Update
Mercedes-Benz is providing an Over-The-Air (OTA) software update for the head unit in certain 2021 AMG GT vehicles. This update optimizes Live Traffic Information, enhances infotainment system robustness, and is installed automatically without a dealer visit.

Why This Update Matters
Mercedes-Benz has identified that the head unit software in some 2021 Mercedes-Benz AMG GT vehicles may not align with the current series production configuration. This discrepancy can affect the performance of the navigation system's "Live Traffic Information" service and overall infotainment system robustness.
This software update aims to enhance the functionality and reliability of your vehicle's infotainment system, ensuring a smoother and more accurate navigation experience.
Symptoms and Diagnosis
While specific error messages are not detailed, owners might notice suboptimal performance of the "Live Traffic Information" feature within the navigation system. Additionally, general infotainment system robustness could be improved by this update.
The underlying cause is a software version mismatch in the head unit, which the Over-The-Air (OTA) update will resolve.
Repair Procedure Summary
The necessary software update will be delivered to your vehicle Over-The-Air (OTA). This process involves a background download, which occurs automatically without any action required from the owner.
Once the download is complete, the subsequent installation will require your consent within the vehicle. The installation typically takes approximately 45 minutes. During this installation period, the infotainment system remains fully functional and can be used without restriction. The new software will become active after the vehicle has been switched off and restarted.
What Owners Should Know
This software update is provided free of charge and does not require a visit to a Mercedes-Benz dealership. The remote software updates are designed to be convenient, automatically downloading and installing in your vehicle.
Important Warning: Mercedes-Benz USA (MBUSA) will NOT be mailing customer letters for this specific OTA software update. Owners are encouraged to ensure their vehicle's connectivity settings allow for remote updates.
Source: NHTSA ID 10248203
Frequently Asked Questions
- What is the purpose of the Mercedes-Benz AMG GT head unit update?
- The update for the 2021 Mercedes-Benz AMG GT head unit aims to optimize the "Live Traffic Information" service for the navigation system and enhance the overall robustness of the infotainment system.
- How is the OTA update for the Mercedes-Benz AMG GT head unit installed?
- The software update is downloaded in the background Over-The-Air (OTA). You will need to provide consent in the vehicle for the installation, which takes about 45 minutes. The system remains usable during installation, and the new software activates after the vehicle is switched off.
- Will I receive a notification about this Mercedes-Benz AMG GT head unit update?
- No, Mercedes-Benz USA will not be mailing customer letters for this OTA software update. The update is delivered automatically to your vehicle.
- How long does the installation take for the Mercedes-Benz AMG GT head unit update?
- The installation of the Mercedes-Benz AMG GT head unit update takes approximately 45 minutes. You can continue to use the system without restriction during this time.
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