{"nhtsa_id":10217161,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-04","date":"2022-07-18","document_id":"LI80.20-P-075086","mfr_campaign":null,"replaces":null,"component":"LATCHES/LOCKS/LINKAGES; ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"Complaint The vehicle sporadically may not unlock via the radio remote control or Keyless Go. The vehicle may require multiple start attempts before starting. The faults B1A7611 and U113E87 are stored in the electronic ignition lock N73 (both faults must be present). After bus idle, the problem is no longer present. Cause Software fault in electronic ignition lock N73. Remedy Update electronic ignition lock N73 to software A2069025508.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10217161-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10217161-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10217161","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"latches-locks","name":"Latches and locks","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":["B1A76","U113E"],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"AMG EQS","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG EQS 53","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"C 300","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"EQS 450","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"EQS 580","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"S 500 4MATIC","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"S 580 4MATIC","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-MAYBACH","model":"S 580 4MATIC","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-MAYBACH","model":"S 680 4MATIC","year_from":2022,"year_to":2022,"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":[]}