{"nhtsa_id":10217150,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-04","date":"2022-07-01","document_id":"LI14.40-N-072089","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Complaint Indicator lamp illuminates in instrument cluster, fault codes P203B31, P203B49 and P206B31 present in AdBlue® (SCR) control unit (N118/5). Cause Software for AdBlue® (SCR) control unit (N118/5) Remedy Update AdBlue Control Unit Software","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10217150-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10217150-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10217150","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":["P203B","P206B"],"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":[]}