{"nhtsa_id":10158947,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-04-22","date":"2019-03-25","document_id":"LI14-40-N-069569","mfr_campaign":null,"replaces":null,"component":"INTERIOR LIGHTING; ENGINE","mfr_system":null,"summary":"Engine diagnosis indicator lamp lights up in instrument cluster and fault code P203B00 is stored in the AdBlue® (SCR) control unit","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10158947-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10158947-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10158947","components":[{"id":"engine","name":"Engine","parent":null},{"id":"lighting","name":"Lighting","parent":null}],"codes":["P203B"],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"MERCEDES-BENZ","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":[]}