Mercedes-Benz S 580 2021–2025 — technical service bulletin
Bulletin LI27.60-P-080169 · NHTSA communication 11028732 · issued Feb 11, 2026
Technical service bulletin
communication type
Power Train
component
2021–2025
model years
11
vehicle entries
Official summary
Complaint Complaints of a harsh 3to4 upshift Cause Lost torque adaptation values and negative fill times of clutch K27. Remedy Short-term measure: Note: All steps—including resetting the learned values and performing the stationary adaptation—must be completed to resolve the concern. 1. Perform IPR and follow the provided instructions. 2. Perform Special Function "Resetting of learned values 'Deceleration Mode'" (VGS > Special Procedures > Special procedure > Resetting learned values Deceleration mode) 3. Complete the standstill adaptation Long-term measure: A software resolution for software
Vehicles covered
- 2021 Mercedes-Benz S 580
- 2022 Mercedes-Benz S 580
- 2023 Mercedes-Benz S 580
- 2024 Mercedes-Benz S 580
- 2023 Mercedes-Benz S 580 4MATIC
- 2025 Mercedes-Benz S 580 4MATIC
- 2021 Mercedes-Maybach S 580
- 2022 Mercedes-Maybach S 580
- 2023 Mercedes-Maybach S 580
- 2024 Mercedes-Maybach S 580
- 2025 Mercedes-Maybach S 580 4MATIC
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.