{"nhtsa_id":10011747,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-01-31","date":"2004-11-30","document_id":"412","mfr_campaign":null,"replaces":"412A","component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"COAN HEAD UNIT SOFTWARE UPDATE. (MERCEDS BENZ MODELS 215, 220, 230 YEAR 2005) *JB","document":null,"url":"https://open.wenmarpro.com/bulletins/10011747","components":[],"codes":[],"topics":[],"vehicles":[{"make":"UNKNOWN","model":"UNKNOWN","year_from":null,"year_to":null,"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":[]}