{"nhtsa_id":11021899,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-08-15","date":"2025-08-05","document_id":"LI91.12-P-079436","mfr_campaign":null,"replaces":null,"component":"STRUCTURE:BODY","mfr_system":null,"summary":"Complaint: When activating the seat heating for the rear seat cushion, the heating of the backrest is activated instead and vice versa. Cause: Coding in the rear SAM. Remedy: Perform SCN coding in the rear SAM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021899-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021899-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11021899","components":[{"id":"structure-body","name":"Body and frame","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES-MAYBACH","model":"GLS 600","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-MAYBACH","model":"GLS 600 4MATIC","year_from":2022,"year_to":2025,"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":[]}