{"nhtsa_id":10187784,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-01","date":"2021-01-04","document_id":"LI83.20-P-072178","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT","mfr_system":null,"summary":"The customer complains that when the ignition is switched on, pulsating buzzing noises which fluctuate in volume can be heard coming from the area of the instrument panel or the driver's footwell.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187784-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187784-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10187784","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"AMG GLC63","year_from":2019,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLC63S","year_from":2019,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLC 300","year_from":2019,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLC 350","year_from":2019,"year_to":2020,"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":[]}