# Service campaign NCU \- 2026070008

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.

- Type: Service campaign
- NHTSA id: 11036888
- Published by NHTSA: 2026\-09\-04
- Manufacturer's number: NCU \- 2026070008
- Manufacturer's date: 2026\-08\-08
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

1. Connect XENTRY Diagnosis. 2. Perform overall vehicle update. To do so, select menu item "General overview” → Overall vehicle update. Then follow the user guidance in XENTRY Diagnosis. Depending on which control units need to be updated along with it, the update can take up to several hours to complete. The update will be completed automatically. 3. Disconnect XENTRY Diagnosis.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036888-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036888-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2026 MERCEDES\-BENZ CLA 350 4MATIC \(EV\)

JSON: [/v1/bulletins/11036888](/v1/bulletins/11036888)

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