Mercedes W205 C200 274.920 184HP Engine ECU Kit A2749000800 Key Lock Automatic

Mercedes W205 C200 274.920 184HP Engine ECU Kit is a complete control set designed for a petrol engine paired with an automatic transmission. This component from the Electronic control modules and controllers category is responsible for precise engine management, ensuring stable parameters and proper communication with other vehicle systems. It is a solution for users who expect proven electronics tailored to the specifics of the drivetrain.

Specifications and technical data

• SKU: A2749000800-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2749000800
• Substitutable numbers: A2749000800, A 274 900 08 00, A2749010600, A 274 901 06 00, 0261S08785, 0 261 S08 785, A2059003419, A 205 900 3419
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Function and application of the engine computer

The presented engine computer ECU Kit is the central control element for the powertrain in the Mercedes W205 C200 model. It is responsible for analyzing sensor signals, selecting fuel dosage, ignition timing, and coordinating with the automatic transmission control system. As a result, the petrol engine maintains proper operating parameters under various load and temperature conditions.

The ECU in this kit is adapted to work with a 184 HP engine, which means that the control algorithms have been developed for the characteristics of this specific unit. For the user, this translates into predictable throttle response, stable idle speed, and correct integration with safety and comfort systems.

Compatibility with petrol engine and automatic transmission

The control electronics used in this kit have been designed to work with a petrol-powered engine and an automatic transmission. This means that the control maps take into account the specifics of petrol engine operation, including mixture formation, ignition strategy, and response to load changes resulting from the automatic transmission's operation.

In practice, properly matching the ECU to the fuel type and transmission type reduces the risk of communication errors in the vehicle network, facilitates adaptation after installation, and allows for maintaining factory driving characteristics. This is particularly important when replacing a controller in modern designs, where many systems are closely integrated.

Characteristics of the ECU Kit

The term ECU Kit means that we are dealing with a set of electronic components functionally linked to the engine computer. This type of configuration facilitates matching to a specific vehicle, as key modules are factory-tuned for communication and security. In the case of modern Mercedes vehicles, this is significant during coding and adaptation procedures.

The product belongs to the Electronic control modules and controllers group, which emphasizes its role as the primary element managing the powertrain. Using original electronics from this group allows for maintaining consistency with the vehicle's electrical architecture and reduces the risk of software compatibility issues.

Condition, verification, and selection of a used controller

The offered ECU kit is in used condition, which in practice means it has been removed from a vehicle and verified for further serviceability. Used electronics of this type are often chosen as an economical alternative to new components, while maintaining the vehicle manufacturer's original specifications.

To correctly select an engine computer for a specific car, it is crucial to compare the OEM part number and available interchangeable numbers with the vehicle's specifications. All this information can be found in the technical specifications section and should be the basis for verifying compatibility before installation and programming.

If you want to better understand when choosing a used controller is justified and what to pay attention to when purchasing, it is worth reading the guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.

Expanding the control system in a Mercedes

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 controllers, engine management modules, or control units working with the ECU, check the available parts in the Mercedes electronic control modules and controllers category.

To reduce vehicle downtime during service work and complete the necessary modules faster, you can also use the practical tips described in the article: how a wide assortment in one warehouse shortens car downtime at the mechanic.

Summary

Mercedes W205 C200 274.920 184HP Engine ECU Kit is a specialized electronic set designed for a petrol engine paired with an automatic transmission. When properly selected and correctly coded, it restores the proper operation of the powertrain, ensures consistency with the vehicle's factory electrical architecture, and represents a rational cost solution compared to purchasing new components.