{"nhtsa_id":10191262,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-05-03","date":"2021-03-25","document_id":"LI82.85-P-070566","mfr_campaign":null,"replaces":null,"component":"BACK OVER PREVENTION","mfr_system":null,"summary":"A \"cracking\" or \"popping\" noise may be intermittently heard from the speakers - A \"cracking\" or \"popping\" noise may be heard by the called party during a bluetooth phone call - Distortion of the Voice Control System audible output","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10191262-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10191262-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10191262","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"backup-camera","name":"Backup camera","parent":"driver-assistance"}],"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":[]}