NHTSA Service Bulletin 11007732: 2023, 2024 Mercedes-benz Amg C43

Complaint Hard 1-2 shift Jerky shifting Jolting when moving off Cause Insufficient data points for the adaptation limits algorithm Remedy Problem will be rectified with a new SW release Until the SW release is available, (No current ETA) please carry out the following: Check the transmission oil level and correct if necessary Rinse the valves a minimum of 3 times via XENTRY Perform a stationary standstill adaptation, then collect EEPROM data If the problem persists, please perform a driving adaptation of 4-5: Level track (no incline/decline) Slippery drive program Display the torque in the instrument cluster: The torque must be between 100 and 250 Nm, preferably closer to the maximum torque Constant engine torque Engine speed under 2500 rpm Do not shift via paddle Collect a new EEPROM data after complete If the problem persists, please create a TIPS case. With both EEPROM files Disclaimer NOTE: The information contained in this document is intended for use by trained, professional technicians with the knowledge to properly and safely perform diagnosis and repairs on Mercedes-Benz vehicles, using Mercedes-Benz approved tools and equipment. It informs service technicians about conditions that could occur in certain vehicles and provides information that could assist in proper vehicle diagnosis, service, or repair. It does not indicate that a defect is present in any vehicle referenced in this document nor does it imply warranty coverage. DO NOT assume that a symptom or condition, or a described cause of a symptom or condition, affects any particular vehicle or groups of vehicles, or that a described repair applies to any particular vehicle or groups of vehicles. There can be multiple causes resulting in the same or similar symptoms or conditions described in this document, and trained professional service technicians must use their diagnostic skills to make evaluations on a case-by-case basis. The information contained in this document does not guarantee warranty coverage nor does it extend the vehicles warranty in any way.