-
Description
-
Shipping
-
Return Policy
Description
Genuine OEM Mercedes-Benz Engine Control Unit / ECU A6421500578
This is an original factory Mercedes-Benz Engine Control Unit (ECU/ECM) for the E-Class W211. This is a used genuine OEM part, removed from a working vehicle and in good working condition at the time of removal.
A suitable replacement for vehicles requiring the same original Mercedes-Benz ECU part number.
Part Number
- A6421500578
- Mercedes-Benz Engine Control Unit / ECU / ECM
Compatible Vehicle
- 2006 Mercedes-Benz E320
- Mercedes-Benz E-Class W211
- Diesel models using the same ECU specification and part number
Important: Compatibility depends on the exact vehicle configuration, engine, software, and ECU part number. Please compare your original unit before purchasing.
Item Features
- Genuine Mercedes-Benz OEM
- Original factory engine control module
- Used OEM replacement part
- Removed from a working vehicle
- Good working condition when removed
- Original connectors and housing
- Part Number: A6421500578
Condition
Used – Good Working Condition
The ECU was removed from a working vehicle and was in good working condition at the time of removal.
As this is a used automotive part, it may have minor scratches, marks, dust, or other normal signs of previous use.
Important Information
- Please match your original part number before purchasing.
- Compare the connectors, label, housing, and photos with your existing ECU.
- Vehicle model and year alone do not guarantee compatibility.
- This ECU may require coding, programming, or synchronization after installation.
- We sell the part only and do not provide programming or coding services.
- Professional Mercedes-Benz installation and programming are recommended.
Before Purchasing
Please make sure the part number A6421500578 matches your original unit or confirm compatibility with a qualified Mercedes-Benz technician.
What you see in the listing photos is what you will receive, unless otherwise stated.
-
Returns:
14-day return policy. Please contact us before sending anything back.
Feedback:
Your positive feedback is appreciated.
If any issue comes up, please contact us first — we will resolve it quickly and professionally.🌍 Customs & Import Charges
Customs duties, import taxes, and other fees are not included in the price or shipping cost. These are the buyer’s responsibility.









