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Service bulletin NCU-2022070017

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 id10228821
Published by NHTSA2023-01-05
Manufacturer's numberNCU-2022070017
Manufacturer's date2022-12-16
NHTSA componentFORWARD COLLISION AVOIDANCE; ELECTRICAL SYSTEM

NHTSA's summary

Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (“MY”) 2021 S-Class (223 platform) vehicles, the software for the driving assistance system control unit may not correspond to the current production specification. This may result in faulty long-range radar-based warnings occurring. What We’re Doing MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update the driving assistance control unit 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

Driver assistance, Electrical system

Vehicles listed
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.