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RecallGazette

Vehicle problems, recalls & safety intelligence

Mercedes-Benz AMG S63 2021–2025service campaign

Bulletin NCU - 2025030015 · NHTSA communication 11017077 · issued Apr 4, 2025

Service campaign
communication type
Electrical System
component
2021–2025
model years
23
vehicle entries

Official summary

Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the SCN coding of the electronic ignition control unit does not correspond to the latest production specifications. As a result, a red battery warning message could inadvertently display on the instrument cluster. MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will perform an SCN coding of the electronic ignition control unit.

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.