Mercedes W169 A150 W245 B150 Engine Control ECU Kit A0024463140 + Key Manual

Mercedes W169 A150 W245 B150 Engine Control ECU Kit + Key Manual is a complete engine control set designed for A-Class and B-Class models equipped with a manual transmission. The kit includes the engine control unit along with a matched key, which facilitates restoring the proper operation of the drivetrain and ensures the consistency of the vehicle's electronics. This solution is particularly useful when replacing a damaged module or performing a comprehensive repair of the control system.

Specifications and technical data

• SKU: A0024463140-1
• Mark: Mercedes (Genuine OE)
• OEM Part Number: A0024463140
• Substitutable numbers: A0024463340, A0024463140, A2661530891, 5WK90954, A1695452932, A1695451908, A 002 446 33 40, A 002 446 31 40, A 266 153 84 79, A 169 545 29 32, A 169 545 19 08, BG
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the ECU kit

The presented engine control unit kit is dedicated to Mercedes A-Class W169 A150 and Mercedes B-Class W245 B150 vehicles equipped with a manual transmission. Its task is to precisely manage the operation of the powertrain – from fuel metering and ignition control to communication with other electronic modules in the vehicle.

Combining the controller with a properly coded key allows for maintaining the integrity of the immobilizer system and facilitates installation without the need for complex programming from scratch. As a result, this kit provides a practical solution for replacing a faulty controller in Mercedes vehicles.

Benefits of using a complete controller kit

Using a complete ECU kit with a key offers a number of measurable technical benefits:

• consistency of engine electronics and vehicle security systems,
• reduced risk of communication errors between modules,
• simplified adaptation process in vehicles with a manual transmission,
• possibility to restore proper engine operation after a controller failure.

For workshops and users, this means faster diagnostics, easier installation, and more stable drivetrain operation. Electronic control modules and ECUs of this type are crucial for the proper functioning of modern engine management systems, which is why choosing the right kit has a direct impact on vehicle reliability.

Vehicle integration and installation aspects

The kit has been designed to work with the factory Mercedes electrical installation, which facilitates a plug-and-play style installation while following appropriate service procedures. The presence of a matched key allows for compliance with the immobilizer system, which is important both from a safety perspective and for proper communication with other modules in the vehicle.

In vehicles with a manual transmission, the controller works with sensors and actuators responsible for controlling RPM, torque, and engine operating parameters, which translates into smooth acceleration and stable idling. A properly selected control module also helps to reduce the occurrence of errors stored in the diagnostic memory.

Technical support and knowledge development regarding electronic modules

When working with advanced automotive electronics, it is worth expanding your knowledge of diagnostics and repair of control modules. Reading materials dedicated to control systems in other brands, such as BMW, can be a good supplement to workshop practice – it allows for a better understanding of the general operating principles of modern engine controllers and comfort modules. You can find more on this topic in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models, which discusses a practical approach to working with used electronic modules.

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 units cooperating with the powertrain installation, check out the available parts in the Mercedes electronic control modules and ECUs category.

Summary

Mercedes W169 A150 W245 B150 Engine Control ECU Kit + Key Manual is a practical, technically matched kit for users and workshops dealing with the maintenance of A-Class and B-Class models with a manual transmission. Combining the engine controller with the appropriate key facilitates the installation process, supports proper cooperation with the immobilizer, and allows for effectively restoring the efficiency of the drivetrain. This is a solution that helps reduce repair time and increase the reliability of the control electronics in Mercedes vehicles.