{"nhtsa_id":11028677,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-10","date":"2026-02-09","document_id":"LI32.34-P-080258","mfr_campaign":null,"replaces":null,"component":"SUSPENSION","mfr_system":null,"summary":"Complaint \"Do Not Drive Over 50MPH\" Suspension Message in Instrument Cluster Possible DTC's in Quicktest: C128763 in N51/1 - \"The pressure control system has a malfunction. There is an implausible signal.\" C128864 in N51/1 - \"The level control system has a malfunction. The duration of the actuation was exceeded: overload protection is active.\" Note: Only applies to vehicles up to production date October 15, 2025 Cause Coding in the suspension control unit N51/1 (EHRC232). Remedy SCN code the suspension control unit N51/1 (EHRC232). Verify no instrument cluster light illuminates when actuating the front axle lifter to the raised and lowered position.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028677-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028677-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028677","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":["C1287","C1288"],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"AMG GT43","year_from":2025,"year_to":2026,"match":"base","vehicle_ids":["2025_mercedes-benz_amg-gt","2026_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"AMG GT55","year_from":2024,"year_to":2025,"match":"base","vehicle_ids":["2024_mercedes-benz_amg-gt","2025_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"AMG GT63","year_from":2024,"year_to":2026,"match":"base","vehicle_ids":["2024_mercedes-benz_amg-gt","2025_mercedes-benz_amg-gt","2026_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"AMG GT63 PRO 4MATIC+","year_from":2025,"year_to":2026,"match":"base","vehicle_ids":["2025_mercedes-benz_amg-gt","2026_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"AMG GT63 S E","year_from":2024,"year_to":2025,"match":"base","vehicle_ids":["2024_mercedes-benz_amg-gt","2025_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"AMG GT63 S E PERFORMANCE","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"AMG GT63 S E PERFORMANCE 4MATIC+","year_from":2025,"year_to":2026,"match":"base","vehicle_ids":["2025_mercedes-benz_amg-gt","2026_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"AMG SL43","year_from":2023,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG SL55","year_from":2022,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG SL63","year_from":2022,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG SL63","year_from":2025,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG SL63 S E","year_from":2024,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG SL63 S E PERFORMANCE 4MATIC+","year_from":2024,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-MAYBACH","model":"SL 680 4MATIC+","year_from":2026,"year_to":2026,"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":[]}