This is a genuine OEM Mercedes engine control unit (ECU), A6519007401, designed for the W212 E250 CDI BlueEfficiency models powered by the OM651 2.1 L diesel (204 HP) engine (platform years approx. 2010–2016)
The unit is a expertly tested, reclaimed part in good working order. Removed from a functioning vehicle, it features the Bosch/Delphi CRD3.1R platform and may show part number A6519011801 as an interchangeable code. It’s ideal for restoring engine management systems, clearing fault codes, and resuming optimal performance after ECU failure or engine swap.
✅ OEM used module
✅ Engine code OM651, 204 HP variant
✅ Compatible across W212 E‑Class and related platforms (W204 C‑Class, C204 coupe, etc.)
✅ Thoroughly tested, bench‑checked, ready to install
✅ Fast UK dispatch, backed by 30‑day warranty.
The W212 E250 CDI with OM651 diesel engine delivers robust performance, but a defective ECU can cause engine limp mode, poor idle, or starting issues. Replace it with this verified OEM A6519007401 module to ensure reliable power, correct diagnostics, and full engine function.
Why choose this product?
Genuine Mercedes components
Fully tested and recoded as needed
Cost-effective compared to new replacement
Plug-and-play installation with professional tools
Explore additional parts for OM651 engines—injectors, turbo units, and sensors—on vazauto.co.uk to complete your repair.
Disclaimer: Responsibility and Product Information.
We do not assume any responsibility for fitting, exchanging, replacing, or repairing parts, nor for any delays that may occur. Please note that we specialize in selling used, second-hand car parts. Most of these parts have been tested before being listed on our store to ensure quality.
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- Cosmetic condition: Item is from used vehicle, condition as shown in pictures.
- Please check all pictures carefully before buying.
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