{"nhtsa_id":11032701,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-05-14","date":"2026-05-13","document_id":"LI82.10-P-080467","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Complaint Despite the IC message shown in these complaints, the primary low-beam function is not restricted. Complaint No. 1: Sporadic \"Headlamp Inoperative\" message in the instrument cluster (IC), fault code in control unit N10/6 FSAM: • U118A02 communication with the left headlamp range adjustment control unit is faulty. General signal fault. or • U118A08 Communication with the left headlamp range adjustment control unit is faulty. Faulty signal or faulty message. Complaint No. 2: The instrument cluster (IC) displays the message \"Adaptive High Beam Assist inoperative\"; fault code present in LED control unit E1n11 or E2n11: • B178392 \"LED driving light actuation\" control unit is faulty. Function or command is faulty. Cause Complaint No. 1: software fault. Complaint No. 2: undervoltage threshold value set inappropriately during vehicle start. Remedy For complaint No. 1 and No. 2: Perform a software update on all headlamp and LED control units: E1n9, E1n11, E2n9 and E2n11 If the fault persists: • For complaint No. 1: Replace HLI E1n9 control unit. • For complaint No. 2: Replace PXL E1n11 or E2n11 control unit. Note: Headlamps must not be replaced for these complaints.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032701-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032701-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032701","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null}],"codes":["B1783","U118A"],"topics":[],"vehicles":[{"make":"MERCEDES BENZ","model":"AMG GLE53 4MATIC","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES BENZ","model":"AMG GLE63 S 4MATIC","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES BENZ","model":"AMG GLS63 4MATIC","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES BENZ","model":"GLE 350","year_from":2025,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES BENZ","model":"GLE 450E 4MATIC","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES BENZ","model":"GLE 580 4MATIC","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES BENZ","model":"GLS 450 4MATIC","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES BENZ","model":"GLS 580 4MATIC","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE53","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE53 4MATIC+","year_from":2023,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE53 4MATIC+ COUPE","year_from":2025,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE53 COUPE","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE63 S","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE63 S 4MATIC+","year_from":2023,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE63 S 4MATIC+ COUPE","year_from":2025,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE63 S COUPE","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLS63","year_from":2020,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLS63","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLS63 4MATIC+","year_from":2023,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 350","year_from":2020,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 350 4MATIC","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 350 4MATIC","year_from":2024,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 350 4MATIC COUPE","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 450","year_from":2020,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 450 4MATIC","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 450 4MATIC","year_from":2025,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 450 4MATIC COUPE","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 450 4MATIC COUPE","year_from":2025,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 450E 4MATIC","year_from":2024,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 580","year_from":2020,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 580 4MATIC","year_from":2021,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 580 4MATIC COUPE","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLS 450","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLS 450 4MATIC","year_from":2022,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLS 580 4MATIC","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLS 580 4MATIC","year_from":2022,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLS 600","year_from":2023,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLS450","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLS580","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-MAYBACH","model":"GLS 600","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-MAYBACH","model":"GLS 600 4MATIC","year_from":2022,"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":[]}