2008 Mercedes-Benz S550 Battery Management Control Unit Used OEM A2215408745

Headline & Summary

Ensure your vehicle’s complex electrical network remains stable with this genuine OEM Battery Management Control Unit (also known as the Vehicle Power Supply Control Module). Sourced from a 2008 Mercedes-Benz S550 (W221), this module is responsible for monitoring battery health, managing charging rates, and controlling the power distribution between the starter and accessory batteries. Using an original factory unit is critical for preventing "Battery Protection" convenience messages and ensuring the alternator charges correctly.

Key Details & Specifications

• Part Name: Battery Management Control Unit / Power Supply CU

• Part Number (MPN): A2215408745 (A 221 540 87 45)

• Brand: Mercedes-Benz (Genuine OEM)

• Condition: Used

• Compatibility: 2007–2013 Mercedes-Benz S-Class (W221) and CL-Class (W216).

• Country of Manufacture: Germany

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[⚠️ Fitment Note: Please verify compatibility with your vehicle’s VIN (WDDNG71XX8A154474) before purchase.]

Always buy OEM! OEM parts are built to factory specifications, ensuring the right fit, performance, and safety compared to aftermarket alternatives. We sell parts pulled from vehicles. They are 100% compatible with original OEM part numbers. In case you are looking to substitute a part, please check with your car’s part number and catalog.