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Service bulletin NCU-2023120013

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)
TypeService bulletin
NHTSA id10249735
Published by NHTSA2024-02-06
Manufacturer's numberNCU-2023120013
Manufacturer's date2024-01-05
NHTSA componentELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

NHTSA's summary

Mercedes-Benz AG (MBAG), the manufacturer of Mercedes-Benz vehicles, has released a software update for certain MY 2021 S-Class (223 platform) vehicles that includes functional improvements for route guidance, Apple Carplay, and Android Auto. MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update the MBUX System Software.

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, Equipment and accessories

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

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