{"nhtsa_id":10238431,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-07-03","date":"2023-06-16","document_id":"NCU-2023060007","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2023 GLC (254 platform) vehicles, the powertrain control unit software might not meet current specifications. Under certain conditions, it may not be possible to start the vehicle. MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealership will update the powertrain control unit software in the affected vehicles.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10238431-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10238431-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10238431","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"GLC 300","year_from":2023,"year_to":2023,"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":[]}