Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Mercedes Benz S500FACTORY OEM SERVICE PROCEDURE
DTC Index - Drivetrain Controls (CPC3): Application
DRIVETRAIN CONTROLS APPLICATION (CPC3 MODULE)
| Model | Chassis Code | Engine Code | Transmission Code | Model Year | Control Module |
|---|---|---|---|---|---|
| Mercedes-Maybach S 580 4M | 223.976 | 176.980 | 725. 1 | 2021 | CPC3 |
| Mercedes-Maybach S 580 4M | 223.976 | 176.980 | 725. 1 | 2022 | CPC3 |
| Mercedes-Maybach S 580 4M | 223.976 | 176.980 | 725. 1 | 2023 | CPC3 |
| Mercedes-Maybach S 580 4M | 223.976 | 176.980 | 725. 1 | 2024 | CPC3 |
| Mercedes-Maybach S 580 4M | 223.976 | 176.980 | 725. 1 | 2025 | CPC3 |
| Mercedes-Maybach S 680 4M | 223.979 | 279.980 | 725. 0 | 2022 | CPC3 |
| Mercedes-Maybach S 680 4M | 223.979 | 279.980 | 725. 0 | 2023 | CPC3 |
| Mercedes-Maybach S 680 4M | 223.979 | 279.980 | 725. 0 | 2024 | CPC3 |
| Mercedes-Maybach S 680 4M | 223.979 | 279.980 | 725. 0 | 2025 | CPC3 |
| S 500 4M | 223.163 | 256.930 | 725. 0 | 2021 | CPC3 |
| S 500 4M | 223.163 | 256.930 | 725. 0 | 2022 | CPC3 |
| S 500 4M | 223.163 | 256.930 | 725. 0 | 2023 | CPC3 |
| S 500 4M | 223.163 | 256.830 | 725. 1 | 2024 | CPC3 |
| S 500 4M | 223.163 | 256.830 | 725. 1 | 2025 | CPC3 |
| S 580 4M | 223.176 | 176.980 | 725. 1 | 2021 | CPC3 |
| S 580 4M | 223.176 | 176.980 | 725. 1 | 2022 | CPC3 |
| S 580 4M | 223.176 | 176.980 | 725. 1 | 2023 | CPC3 |
| S 580 4M | 223.176 | 176.980 | 725. 1 | 2024 | CPC3 |
| S 580 4M | 223.176 | 176.980 | 725. 1 | 2025 | CPC3 |
| S 580e 4M | 223.169 | 256.930 | 725. 1 | 2023 | CPC3 |
| S 580e 4M | 223.169 | 256.930 | 725. 1 | 2024 | CPC3 |
| S 580e 4M | 223.169 | 256.930 | 725. 1 | 2025 | CPC3 |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.