{"nhtsa_id":11026012,"type":"other","type_name":"Other","date_added":"2025-12-03","date":"2025-11-14","document_id":"CSA-049","mfr_campaign":"CSA-049","replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE","mfr_system":null,"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","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11026012-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11026012-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11026012","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"TIFFIN","model":"WAYFARER","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"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.","attribution":[]}