{"nhtsa_id":10167075,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-11-04","date":"2014-04-17","document_id":"LI49.20-P-057101","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Engine diagnosis warning lamp lights up. Fault code 20B91B, 20B913 (The output for the heating element of the AdBlue pressure line has an electrical fault or an open circuit) is stored in the SCR control unit.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10167075-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10167075-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10167075","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"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":[]}