Mercedes-Benz S 500 2021–2024 — technical service bulletin
Bulletin LI54.10-P-076026 · NHTSA communication 11006545 · issued Aug 20, 2024
Technical service bulletin
communication type
Electrical System
component
2021–2024
model years
17
vehicle entries
Official summary
Complaint Yellow information message in driver display (instrument cluster): "Switch on motor to charge the 12V battery" Cause The state of charge (SOC) of the 12V battery has dropped to 45% or less. Remedy This warning message appears as soon as the state of charge (SOC) of the 12V primary battery drops below 45%. This message is displayed to safeguard the vehicle's starting ability. At the same time as the display appears in the instrument cluster, customers with a linked Mercedes me connect account also receive a push notification via the app/by email (if this function is activated). The ba
Vehicles covered
- 2021 Mercedes-Benz S 500
- 2022 Mercedes-Benz S 500
- 2023 Mercedes-Benz S 500
- 2024 Mercedes-Benz S 500
- 2021 Mercedes-Benz S 580
- 2022 Mercedes-Benz S 580
- 2023 Mercedes-Benz S 580
- 2024 Mercedes-Benz S 580
- 2023 Mercedes-Benz S 580 E
- 2024 Mercedes-Benz S 580 E
- 2021 Mercedes-Maybach S 580
- 2022 Mercedes-Maybach S 580
- 2023 Mercedes-Maybach S 580
- 2024 Mercedes-Maybach S 580
- 2022 Mercedes-Maybach S 680
- 2023 Mercedes-Maybach S 680
- 2024 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.