Mercedes-Benz C 300 2024 — technical service bulletin
Bulletin CL-2024030012 · NHTSA communication 11006635 · issued Aug 23, 2024
Technical service bulletin
communication type
Electrical System
component
2024
model years
5
vehicle entries
Official summary
An authorized Mercedes-Benz dealer will update the control unit software for the electronic ignition lock in your vehicle, free of charge. Your vehicle must be brought to a dealership to complete the update.
Vehicles covered
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.