2008 Mercedes-Benz S550 Airmatic Air Suspension Control Unit Used OEM A2215407145

Headline & Summary

Restore the legendary ride quality and adaptive handling of your S-Class with this genuine OEM Airmatic Air Suspension Control Unit (ECU). Sourced from a 2008 Mercedes-Benz S550 (W221), this module serves as the "brain" of the suspension system, processing data from level sensors and accelerometers to manage the air compressor and strut valves. Using an original factory control unit ensures seamless communication with the vehicle’s CAN bus system, maintaining the precise damping characteristics and ride-height adjustments that define the S-Class experience.

Key Details & Specifications

• Part Name: Air Suspension Control Unit / Airmatic ECU

• Part Number (MPN): A2215407145 (A 221 540 71 45)

• Brand: Mercedes-Benz (Genuine OEM)

• Condition: Used

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

• 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.