Fit For Mercedes-Benz S350 Engine Control Unit Module (ECU / ECM) – A2721539479
Overview
Replacement Engine Control Unit (ECU / ECM) for Mercedes‑Benz S350. This unit manages engine functions and fuel/ignition timing to help ensure optimal performance and drivability.
Specifications
- Manufacturer Part Number: A2721539479
- Type: Engine Control Unit (ECU / ECM)
- Compatible Model: Mercedes‑Benz S350
- Placement on Vehicle: Front
- Warranty: 2 Year Manufacturer Warranty
Benefits
- Restores proper engine management and sensor control
- Designed as a direct fit for the specified application (verify fitment)
- Backed by a 2-year manufacturer warranty for added confidence
Compatibility & Fitment
This unit is specified for the Mercedes‑Benz S350. Before purchasing, confirm compatibility with your vehicle by checking your VIN, existing part number, or consulting the vehicle’s service documentation or a qualified technician.
Important Notes
- Installation should be performed by a qualified technician to ensure correct programming and secure connections.
- Confirm the exact part number (A2721539479) matches your vehicle’s required ECU to avoid fitment issues.
- Contact the seller/manufacturer for programming or immobilizer-related questions if applicable.





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