# Other CSA\-049

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: Other
- NHTSA id: 11026012
- Published by NHTSA: 2025\-12\-03
- Manufacturer's number: CSA\-049
- Manufacturer's date: 2025\-11\-14
- Campaign id or software version: CSA\-049
- NHTSA component: ELECTRICAL SYSTEM; ENGINE

## NHTSA's summary

Tiffin received the following from Mercedes\-Benz. Tiffin, in turn sent Mercedes\-Benz's notification along with a notification from us to the customers M/B told us were involved: Mercedes\-Benz, the manufacturer of Mercedes\-Benz vans, has determined that on certain Model Year 2019\-2021 Sprinter vehicles, the software of the Select Catalyst Reduction control unit does not correspond to the current series production configuration. An authorized Mercedes\-Benz Sprinter dealer will update the SCR control unit software on your vehicle in connection with the Service Campaign free of charge. Merceded

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026012-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026012-9999.pdf)

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

## Components

Electrical system, Engine

## Vehicles listed

- 2021 to 2022 TIFFIN WAYFARER

JSON: [/v1/bulletins/11026012](/v1/bulletins/11026012)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Other%20CSA-049&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11026012&vehicle=Other%20CSA-049)