Electrical system
Mercedes-Benz technical service bulletin NCU - 2025030014 for 2023-2024 Mercedes-Benz G 550.
- Bulletin number
- NCU - 2025030014
- Component
- Electrical system
- Summary
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2023 – 2024 G-Class (463 platform) vehicles, the engine control unit software may not correspond to the current specifications. During vehicle idling and in the partial-load range CAT heating operating mode, the risk of cylinder misfire could increase, resulting in the illumination of the check engine Malfunction Indicator Lamp (‘MIL’). MBUSA will conduct an Emission Service Campaign. An authorized Mercedes-Benz dealer will update the engine control unit software on the affected vehicles.
Vehicles covered
- Mercedes-Benz G 550 2023-2024 20232024
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