Service campaign NCU - 2026040004

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.

NHTSA's summary

Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2026 CLA (174 platform) vehicles, the software of the communication module (ARTEMIS) might not be configured according to current production specifications. As a result, remote status updates, or remote commands may not be available through the Mercedes-Benz App. Remedy MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update the software in the ARTEMIS control unit on the affected vehicles. With the update of the ARTEMIS, the latest Mercedes-Benz Operating System (MB.OS) version will also be installed on the vehicles.

The document

• NHTSA's copy of the document (PDF)
• If that address does not open, try this one

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

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

• Bulletins for another vehicle
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