{"nhtsa_id":11030289,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-28","date":"2026-03-25","document_id":"LI82.85-P-080396","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Complaint Following update to MBOS 1.3.0 or higher, front passenger display becomes inoperable. Cause Back end documentation error. Remedy Perform special procedure in Xentry Diagnosis. Before starting, check Xentry Diagnosis for the latest add-ons. Ensure that one of the following add-ons is installed on Xentry Diagnosis: 33115 for Release 12/2025 33115 for Release 09/2025 Next, please connect the Xentry Diagnosis to the vehicle. Select A26/17 MBUX multimedia system control unit + instrument cluster (head unit). The special procedure can be accessed using the following path: Actual Values -> Head Unit -> Anti-theft Protection and Subsequent Activatable Services. A note about the front passenger display will be shown here. Please observe the instructions in Xentry. Note: The special process (see attachments) is displayed only when the problem is occurring in the vehicle currently.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030289-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030289-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030289","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"CLA 250+ (EV)","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"CLA 350 4MATIC (EV)","year_from":2026,"year_to":2026,"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":[]}