{"nhtsa_id":11010964,"type":"emissions","type_name":"Emissions","date_added":"2024-12-03","date":"2024-11-23","document_id":"2024090003","mfr_campaign":"2024090003","replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that the software for the engine control unit in the subject vehicles may not meet current specifications. As a result, the diagnosis for monitoring the air fuel ratio might not be activated in low load operation as intended. Consequently, this may not meet local regulatory requirements for on-board diagnostics and/or exhaust gas emissions. An authorized Mercedes-Benz dealer will update the Engine Control Unit software in the affected vehicles.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11010964-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11010964-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11010964","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"AMG G63","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"G 550","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":[]}