Power train

Bulletin number

NCU - 2025020002

Component

Power train

Summary

Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2023 – 2025 S-Class (223 platforms) vehicles, a fault code would not be cleared and persist in the permanent memory (Mode$0A) of Drivetrain Control Unit along with the illumination of the check engine Malfunction Indicator Lamp (MIL) due to a repair of the starter line after a break/failure. This issue has no impact on exhaust emissions and fuel consumption. MBUSA will conduct an Emission Service Campaign. An authorized Mercedes-Benz dealer will update the drivetrain control unit software on the affected vehicles. Affected customers will be notified via First Class letter to have the update performed on their vehicle.

Owners of these vehicles have filed 3 complaints in the transmission category.