{"nhtsa_id":10240177,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-08-02","date":"2023-07-21","document_id":"NCU-2023070011","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2020 S-Class (222 platform) vehicles, the engine electronics control unit software may not correspond with the current specifications. MBUSA will conduct an Emissions Service Campaign. An authorized Mercedes-Benz dealer will perform a software update to the engine electronics control unit on the affected vehicles.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10240177-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10240177-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10240177","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"AMG S65","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"S 450","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"S 550","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"S 560 E","year_from":2020,"year_to":2020,"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":[]}