Mercedes-Benz AMG C43 2021–2023 — service campaign
Bulletin NCU - 2024040008 · NHTSA communication 11000518 · issued May 4, 2024
Service campaign
communication type
Electrical System
component
2021–2023
model years
26
vehicle entries
Official summary
Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY21-23 C-Class and S-Class vehicles (206, 223 platform), the software for the ISA control unit may not correspond with the latest series production configuration. The possibility exists that the function of the ISA may not be restricted with an active Malfunction Indicator Lamp. MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update the ISA control unit software in the affected vehicles.
Vehicles covered
- 2021 Mercedes-Benz AMG C43
- 2022 Mercedes-Benz AMG C43
- 2023 Mercedes-Benz AMG C43
- 2021 Mercedes-Benz AMG C63
- 2021 Mercedes-Benz AMG C63 S
- 2022 Mercedes-Benz AMG C63 S
- 2023 Mercedes-Benz AMG C63 S
- 2023 Mercedes-Benz AMG C63 S E
- 2021 Mercedes-Benz AMG S63
- 2021 Mercedes-Benz C 300
- 2022 Mercedes-Benz C 300
- 2023 Mercedes-Benz C 300
- 2021 Mercedes-Benz S 500
- 2022 Mercedes-Benz S 500
- 2023 Mercedes-Benz S 500
- 2021 Mercedes-Benz S 560
- 2021 Mercedes-Benz S 580
- 2022 Mercedes-Benz S 580
- 2023 Mercedes-Benz S 580
- 2023 Mercedes-Benz S 580 E
- 2021 Mercedes-Maybach S 560
- 2021 Mercedes-Maybach S 580
- 2022 Mercedes-Maybach S 580
- 2023 Mercedes-Maybach S 580
- 2022 Mercedes-Maybach S 680
- 2023 Mercedes-Maybach S 680
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.