Mercedes W213 E400d 656.929 340HP Engine Unit ECU Kit A6569001600 Automatic

Mercedes W213 E400d 656.929 340HP Engine Unit ECU Kit is an advanced electronic set designed for vehicles with a diesel engine and an automatic transmission. The product belongs to the Electronic control modules and controllers group, which guarantees precise management of the powertrain's operation and consistency with the vehicle's factory electrical architecture. This is a solution for users expecting proven, original electronics tailored to the specifications of the E-Class W213 model.

Specifications and technical data

• SKU: A6569001600-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6569001600
• Substitutable numbers: A6569001600, A 656 900 16 00, 0281034751, 0 281 034 751, A2139008626, A 213 900 86 26, A2139015811, A 213 901 58 11, 5DK014333, 5DK 014 333
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the ECU kit

The presented ECU kit has been designed to work with the diesel engine in the E400d version of the W213 generation, ensuring proper control of injection, boost, accessory operation, and communication with other vehicle modules. The kit is configured for an automatic transmission, supporting smooth gear shifts, torque control, and stable operation of the drivetrain in various driving modes.

For workshops and individual users, this means the ability to restore full functionality of the engine control system while maintaining compliance with factory operating parameters. Using an original ECU kit reduces the risk of CAN network communication issues, diagnostic errors, and malfunctions of driver assistance systems.

Benefits of using an original ECU kit

Using a complete engine control unit kit in the E400d allows for maintaining software and hardware consistency throughout the entire vehicle. This is particularly important in modern Mercedes cars, where the ECU unit works with many modules responsible for safety, comfort, and propulsion. Original electronics facilitate adaptation in the vehicle, as well as subsequent diagnostics using professional service testers.

In practice, the user gains:

• stable diesel engine operation across the full load range,
• proper cooperation with the automatic transmission,
• preservation of factory engine protection strategies,
• easier configuration and coding compared to universal replacements.

Application in vehicles with diesel engines and automatic transmissions

The ECU kit dedicated to the E400d has been developed with the specifics of a high-power diesel engine and its cooperation with an automatic transmission in mind. The Diesel fuel type means that injection maps, boost pressure, and exhaust aftertreatment regeneration strategies are adapted to the characteristics of this unit. As a result, appropriate dynamics, refinement, and compliance with emission requirements for this model are maintained.

Integration with the automatic transmission allows the controller to manage torque in real-time during gear changes, which translates into driving smoothness and protection of mechanical components. This is especially important in high-power cars, where precise cooperation of the drivetrain electronics has a direct impact on durability.

Product condition and installation aspects

The offered ECU kit is a used item, which in practice means an attractive compromise between repair costs and maintaining the original manufacturer's quality. For many premium class vehicles, this is a rational way to restore full control system efficiency without the need to invest in new electronics. Electronic control modules and controllers sourced from dismantling, when properly verified and selected, can successfully operate for a long time.

Before installation, it is recommended to verify compatibility with the specific vehicle configuration and prepare for adaptation and potential coding at a specialized service center. A professional approach to installation helps avoid issues with the immobilizer, inter-module communication, and errors stored in the controller's memory.

Technical support and electronics selection

If you want to better understand when choosing a used engine controller is cost-effective and how to safely select such an element for your car, it is worth checking out practical advice. Detailed information can be found in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which describes key aspects of purchasing and installing used automotive electronics.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as controllers, powertrain management modules, or parameter control systems, check out the available parts in the Mercedes electronic control modules and controllers category.