{"nhtsa_id":10014565,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-05-04","date":"2005-03-31","document_id":"03312005","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"A SERVICE CAMPAIGN ON E-CLASS AND CLS-CLASS MODELS MANUFACTURED BETWEEN JANUARY 2002 AND JANUARY 2005 WILL INSTALL NEW BATTERY CONTROL UNIT SOFTWARE TO ENHANCE THE ON-BOARD POWER SUPPLY. NOTIFICATION OF WORLDWIDE QUALITY INITIATIVES. MERCEDES-BENZ. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10014565","components":[{"id":"electrical","name":"Electrical system","parent":null}],"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":[]}