{"nhtsa_id":10209879,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-04-05","date":"2022-03-10","document_id":"LI67.19-P-074543","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Complaint Windshield heater not activating when expected. Note: Windshield heater is only active with the engine running when the defrost button has been activated and outside temperatures are below 41°F (5°C). Cause Stone chippings on the windshield may result in an increased internal resistance of the electric windshield heater. When detecting increased internal resistance, the N22/1 \"Air conditioning system\" control unit switches off the windshield heater. Remedy Follow steps as prescribed.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10209879-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10209879-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10209879","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"AMG G63","year_from":2019,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"G 550","year_from":2019,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"G63","year_from":2019,"year_to":2020,"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":[]}