This is to notify you of the Service Campaign Launch to update the Engine Control Unit Software in 51234...

Bulletin number

NCU - 2024020012

Component

Electrical system

Summary

This is to notify you of the Service Campaign Launch to update the Engine Control Unit Software in 51234 Model Year ("MY") 2022- 2023 SL (232 platform). The vehicles will be visible and flagged in VMI as "OPEN" on March 1, 2024. Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2022-2023 SL (232 platform) vehicles, the Engine Control Unit software might not correspond to the current production specifications. As a consequence, the engine fan may run for an excessive amount of time after the vehicle is shut off. MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update the Engine Control Unit software.

Owners of these vehicles have filed 5 complaints in the electrical category.