{"nhtsa_id":11018611,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-05-28","date":"2025-05-27","document_id":"LI54.10-P-079340","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Complaint Vehicle will not start after charging, HV warning in IC Cause Due to charging error from the charging EVSE the contactors for the DCCU are jammed closed and must be reset via Xentry. Short test found fault code P154B00 in PTCU warning for stuck contactor. Remedy Check for new DCCU (N116/5) SW. Perform SW update to DCCU (N116/5) via XENTRY. Reset contactors through special procedures through N116/5. If no new SW is available - Open TIPS case. Please provide HV CUL and QT in TIPS case.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11018611-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11018611-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11018611","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P154B"],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"EQB 250+","year_from":2023,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"EQB 300 4MATIC","year_from":2022,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"EQB 350 4MATIC","year_from":2022,"year_to":2025,"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":[]}