{"nhtsa_id":11014221,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-02-12","date":"2025-02-11","document_id":"LI54.10-P-078888","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Complaint The engine warning light illuminates or the 48 V message is displayed in the instrument cluster Cause Fault code \"P0A7F00\" stored in the 48 V battery G1/3 and/or is current. Remedy Perform guided test for fault code \"P0A7F00\". Important! To ensure a bus idle of 90 minutes is achieved, the vehicle should be locked and the key placed a minimum of 30 feet from the vehicle) See SI82.85-P-0046A","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014221-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014221-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11014221","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P0A7F"],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"A 220","year_from":2019,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG A35","year_from":2020,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG CLA35","year_from":2020,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG CLA45","year_from":2020,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLA 35","year_from":2024,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLA35","year_from":2021,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLA45","year_from":2021,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"CLA 250","year_from":2020,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLA 250","year_from":2021,"year_to":2024,"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":[]}