{"nhtsa_id":10232326,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-03-03","date":"2023-02-23","document_id":"LI20.10-P-075943","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Complaint Check engine light illuminated Red coolant warning in instrument cluster Fault codes U019F00 or U019F87 stored in PTCU (N127) Cause Electric coolant pump communication Remedy 1-Check electric connections on electric coolant pump M75/11 for clean/tight installation. Repair as needed. 2-Update software of MED40 control unit. 3-Replace electric coolant pump M75/11 with part A2742004900.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10232326-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10232326-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10232326","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["U019F"],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"C 350 E","year_from":2018,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"C350E","year_from":2016,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLC 350 E","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLC 350 E","year_from":2020,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLC350E","year_from":2019,"year_to":2019,"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":[]}