Issue On the subject vehicles, the transmission control unit (VGS) in the automatic transmission does not...
Mercedes-Benz technical service bulletin NCU-2026090006 for 2026 Mercedes-Benz S 580 4matic, 2026 Mercedes-Benz S 500 4matic and 2026 Mercedes-Benz S 580 E 4matic and others.
- Bulletin number
- NCU-2026090006
- Component
- Power train
- Summary
- Issue On the subject vehicles, the transmission control unit (VGS) in the automatic transmission does not conform to current production specifications. It is possible that the polarities of the magnets in the transmission control unit (VGS) could have been incorrectly installed, leading to potential shift quality issues and gear lockouts. Remedy MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update the software of the electric controller unit "fully integrated transmission control" in the affected vehicles.
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