2021 Mercedes-Benz AMG GT Communication Module OTA Update

Mercedes-Benz has initiated an Over-the-Air (OTA) service campaign to update the communication module software in various models, including the 2021 Mercedes-Benz AMG GT. This update addresses software errors that can impact the entertainment experience, ensuring the communication module aligns with the latest series production configuration.

This update is entirely remote, meaning owners of affected vehicles do not need to visit a dealership. The process is free of charge and designed to be seamless.

Why This Matters

The communication module software in certain 2018-2023 Mercedes-Benz vehicles, including the 2021 Mercedes-Benz AMG GT, may not be fully aligned with the most current production specifications. This discrepancy can lead to software errors that affect the vehicle's entertainment system. The OTA update aims to eliminate these errors, providing a better and more reliable entertainment experience for drivers and passengers.

What's Being Updated

The update targets the communication module software. This is a crucial component for features like Mercedes Me connect, which relies on the module for various connected services. The update will be delivered directly to the vehicle via an Over-the-Air transmission.

This service campaign affects a total of 465,777 vehicles. The update process is designed to be automatic and will install in the background. Once successfully installed, the update will become active after the vehicle's ignition has been cycled.

Important Information for Owners

Mercedes-Benz has clarified several key points regarding this OTA update:

• No Action Required by Dealer: This is an information-only campaign for dealers, and no service action is required on their part. The update is performed remotely.
• No Customer Letters: Mercedes-Benz will NOT be mailing notification letters to customers for this service campaign.
• Vehicle Visibility: Affected vehicles will NOT be visible or flagged in Vehicle Management Information (VMI) or Electronic Vehicle Administration (EVA) systems, as the update is remote.
• Parts Not Required: No replacement parts are needed for this update; the remedy is purely software-based.
• Driving Conditions: Customers can continue to drive their vehicles normally. If the vehicle has not been driven for four or more weeks, cycling the ignition once may be necessary to initiate the process. Sufficient battery voltage is also required for the software update to begin.

How to Check Your Update Status

Owners can verify the successful installation of the Mercedes-Benz AMG GT communication module software update through their Mercedes Me connect app. Look for the section labeled "Over-the-Air Vehicle Updates" within the app. A successful update will show as "Update for the communication module" with a green "Installed" status and the date of installation.

Dealers can also verify the update status using the VeDoc system by searching the VIN, checking the "Hermes – Control unit" section, and confirming the Object Number matches "A 222 902 47 21" for "SW HERMES".

Next Steps

No specific action is required from owners. The update for the Mercedes-Benz AMG GT communication module software will be delivered automatically. If you have any questions or concerns, please contact the Mercedes-Benz Customer Assistance Center at 1-800-FOR-MERCEDES (1-800-367-6372).

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Source: NHTSA ID: 10241527