Mercedes W169 W245 M266.920 95HP Engine Control ECU Kit A2669000300 Automatic

Mercedes W169 W245 M266.920 95HP Engine Control Unit Kit A2669000300 Automatic is a complete engine control unit kit designed for gasoline engines paired with automatic transmissions in A-Class and B-Class models. This item from the Electronic Control Modules and Units group ensures precise management of engine operation, injection parameters, and communication with other vehicle systems. With factory specifications for the M266.920 95 HP engine, it provides a solid foundation for professional control system repairs.

Specifications and technical data

• SKU: A2669000300-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2669000300
• Substitutable numbers: A2669000300, A 266 900 03 00, A0024463140, A 002 446 31 40, 5WK909082, A1695452308, A 169 545 23 08, A1695452932, A 169 545 29 32
• Fuel type: Petrol
• Gearbox type: Automatic
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

Intended Use and Compatibility

The presented control unit kit has been developed for Mercedes W169 and W245 series vehicles equipped with the M266.920 95 HP gasoline engine and an automatic transmission. Using a dedicated ECU module for a specific engine unit and gearbox type ensures correct interaction with vehicle systems such as the powertrain, comfort electronics, and safety systems.

A properly selected engine control unit minimizes the risk of communication errors within the vehicle network, facilitates adaptation, and simplifies subsequent diagnostics. This solution is particularly beneficial when replacing a damaged ECU with a component of matching hardware and software parameters.

Technical and Functional Characteristics

As an element from the Electronic Control Modules and Units category, this control unit is responsible for key processes related to gasoline engine operation, including fuel dose control, ignition, and interaction with sensors and actuators. The kit is configured for a 95 HP unit, ensuring consistency of control maps with actual engine parameters.

Adaptation for an automatic transmission means the module accounts for data exchange with the gearbox, which is crucial for smooth gear changes, idle speed stability, and load response. This allows for maintaining driving comfort and proper powertrain operation after repair.

Practical Application and Benefits of Installation

The application of this engine control unit kit is particularly recommended in situations where the existing module has suffered an electronic failure, mechanical damage, or persistent communication errors. Choosing a used, original ECU module can often significantly reduce repair costs while maintaining high quality of workmanship and compatibility with the factory installation.

Key benefits include:

• maintaining the factory control logic for the gasoline engine,
• compatibility with the automatic transmission used in the specific model,
• the ability to integrate with the existing vehicle wiring harness without modification,
• potentially shorter repair times compared to programming a completely new module.

Condition, Verification, and Selection by Part Numbers

The offered control unit is from the secondary market, allowing for an economical repair approach while maintaining original manufacturer specifications. Before installation, it is recommended to verify compatibility using the OEM part number and interchangeable numbers, as well as matching the engine version and gearbox type. Proper selection minimizes the risk of startup issues, immobilizer adaptation problems, or communication errors with other modules.

If you wish to deepen your knowledge on selecting and installing used ECU control units and other vehicle electronics components, you can find practical tips in the article: Used Automotive Electronics Onboard – Why Choose Second-Hand ECU Modules and Sensors?.

Repair Extension and Related Modules

If you are planning a comprehensive engine area repair or upgrade for your Mercedes and need other parts from the same group, such as transmission control units, engine management modules, or additional ECUs, check the available parts in the Mercedes Electronic Control Modules and Units category.

To compare the cost-effectiveness of purchasing from the secondary market versus new OEM components, you can also consult the cost guide: New or Used? Comparing the Cost and Quality of Car Parts, which will help you plan your repair budget consciously.