{"nhtsa_id":11036105,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-11","date":"2026-08-10","document_id":"LI54.30-P-078529","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Complaint During cold starting, a tortoise symbol may be displayed in the event of reduced engine output. For \"non-hybrid vehicles\", the thermostat symbol must be displayed. Cause Coding N133/1 IC Instrument cluster Remedy Perform N133/1 IC-Instrument-Cluster manual coding.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036105-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036105-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036105","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"AMG C43","year_from":2023,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG C43 4MATIC","year_from":2023,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"C 300","year_from":2022,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"C 300 4MATIC","year_from":2022,"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":[]}