Mercedes W447 W907 W910 150HP OM654.920 Engine Control Module ECU A6549009400

Mercedes OM654.920 Engine Control Module for Mercedes W447, W907, W910 models with 150 HP is a factory electronic engine control unit (ECU) from the Electronic Control Modules and Controllers category, designed for diesel engines paired with automatic transmissions. This solution allows for professional powertrain repair while maintaining operating parameters consistent with the manufacturer's standards.

Specifications and technical data

• SKU: A6549009400-4
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6549009400
• Substitutable numbers: A6549009400, A 654 900 94 00, A6549017600, A 654 901 76 00, 0281037185, 0 281 037 185, A 447 900 96 09, A4479009609, A4479003819, A 447 900 38 19
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Application and Compatibility

The presented engine control module is designed for modern OM654.920 diesel engines used in Mercedes W447, W907, and W910 commercial and passenger-commercial vehicles with 150 HP. The ECU's construction is prepared for cooperation with diesel powertrains and automated transmission systems, ensuring proper gear shifting logic, torque control, and engine operating strategies.

By using an original control module, it is possible to maintain consistency with the vehicle's factory electronic architecture, including the communication bus, safety systems, and driver assistance systems. This is particularly important for repairs of modern powertrains, where correct communication between modules is crucial for the stable operation of the entire vehicle.

Technical Characteristics of the ECU

The module belongs to the Electronic Control Modules and Controllers group, responsible for precise management of the diesel engine's operation. The control module manages, among other things, fuel injection, boost pressure, the injection system, and cooperation with the automatic transmission to ensure appropriate dynamics, smooth operation, and compliance with emission standards.

The ECU uses dedicated manufacturer software that must be matched to the specific vehicle configuration. During installation, adaptation and coding using an appropriate diagnostic tester are recommended to ensure the control module is correctly paired with the immobilizer, instrument cluster, and other modules in the vehicle.

Benefits of Using a Used ECU Module

Using a used engine control module in a vehicle with a diesel engine and automatic transmission can significantly reduce repair costs compared to purchasing a brand-new module, while maintaining high functionality. An original ECU ensures:

• maintenance of the powertrain's factory operating parameters,
• proper cooperation with the automatic transmission,
• consistency with the existing electrical system and vehicle systems,
• the possibility of further diagnostics and software updates.

To maximize the potential of such a solution, it is advisable to select the control module based on the OEM number and interchangeable part numbers, as well as to verify hardware and software compatibility with the specific vehicle version.

Selection, Installation, and Technical Support

When selecting an engine control module for a Mercedes with an OM654.920 unit, it is recommended to use the OEM number and reference numbers, as well as to verify the vehicle configuration (fuel type, transmission type, model generation). Professional installation should include:

• checking the vehicle's electrical system and grounds,
• correct connection of the ECU connectors,
• the control module coding/adaptation procedure for the vehicle,
• verification of fault codes in the error memory after the first start-up.

For users considering the purchase of a used control module or other onboard electronics, practical tips on selection by OEM number, hardware and software compatibility, and the installation process can be found in the article: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?

Expanding the Control System in Mercedes Vehicles

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as additional control modules, powertrain management modules, or engine control systems, check the available parts in the Mercedes Electronic Control Modules and Controllers category.