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Over-the-air update OTA - Update Com Mod SW

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeOver-the-air update
NHTSA id11037429
Published by NHTSA2026-09-21
Manufacturer's numberOTA - Update Com Mod SW
Manufacturer's date2026-09-11
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Issue On certain subject vehicles, software for the communication module does not meet the current series production configuration. A software update will be implemented which will provide robustness enhancements and system stabilization measures for the communication module. Remedy MBUSA will conduct an OTA service campaign. Remote software updates are automatically downloaded and installed in the customer’s vehicle free of charge and do not require a dealer visit.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
MERCEDES-BENZ AMG S632021
MERCEDES-BENZ S 5002021
MERCEDES-BENZ S 5602021
MERCEDES-BENZ S 5802021
MERCEDES-MAYBACH S 5802021

Listing a model year does not mean every vehicle of it is concerned: the document says which.