{"nhtsa_id":10203877,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-12-03","date":"2021-11-21","document_id":"2021100009","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT","mfr_system":null,"summary":"Check coolant line of battery cooling, replace if necessary","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203877-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203877-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10203877","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"hybrid-ev","name":"Hybrid and electric drive","parent":null},{"id":"traction-battery","name":"High-voltage battery","parent":"hybrid-ev"}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"AMG GLS63","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLS450","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLS580","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"MAYBACH GLS600","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-MAYBACH","model":"GLS 600","year_from":2021,"year_to":2021,"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":[]}