{"nhtsa_id":10187791,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-01","date":"2021-01-27","document_id":"Launch NCU - 202","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN","mfr_system":null,"summary":"Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (?MY?) 2020 S-Class (217 Platform), the transmission control unit software does not correspond to the current production specifications. What We?re Doing MBUSA will conduct a Service Campaign. An authorized Mercedes-Benz dealer will update the transmission control unit software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187791-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187791-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10187791","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"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","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":[]}