Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU Kit A0034466040 2 Keys

Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU Kit is a specialized controller designed for a petrol engine paired with a manual transmission. This component from the Electronic control modules and controllers category is responsible for precise engine management, ensuring stable power characteristics and proper integration with other vehicle systems. It is a solution for users seeking proven electronics tailored to a specific drivetrain configuration.

Specifications and technical data

• SKU: A0034466040-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0034466040
• Substitutable numbers: A0034466040, A 003 446 60 40, 5WK90848, A1695452308, A 169 545 23 08, A1695452932, A 169 545 29 32
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The presented engine controller is dedicated to a drivetrain with a petrol engine and a manual transmission, which is crucial for proper communication with sensors, auxiliary equipment, and the vehicle's electrical system. The controller manages, among other things, fuel injection, ignition, and the operation of components working with the engine, making it possible to maintain proper engine performance and predictable response to load.

For the user, this means stable driving parameters, correct cooperation with the electrical system, and the ability to restore full functionality of the engine control system after the failure of the previous module.

Benefits of using an original Mercedes module

The original controller from the Electronic control modules and controllers category ensures proper fitment to the vehicle's electrical architecture and compatibility with factory engine maps. This reduces the risk of communication issues within the vehicle network, diagnostic errors, or improper operation of auxiliary equipment.

The main advantages of using this engine controller include:

• maintaining factory engine control logic,
• consistency with safety and comfort systems,
• possibility of proper diagnostics using standard service tools,
• matching the specific fuel type and transmission configuration.

Selection, compatibility, and installation aspects

For the engine controller to work correctly, it is crucial to match it to the specific vehicle version, including fuel type and transmission type. In practice, this means paying attention to manufacturer markings, part numbers, and any interchangeable numbers visible in the technical specification. In many cases, after installation, adaptation procedures or programming using appropriate diagnostic equipment are required.

For users who want to deepen their knowledge about selecting electronic components and controllers based on manufacturer markings, a guide describing practical steps for verifying compatibility may be helpful – you can find detailed tips in the article how to choose the right car part by VIN and OEM number.

Product condition and practical application

The offered engine controller is a used item, which in practice means it comes from dismantling and has been verified for suitability for further use. This type of solution is often chosen as an economical alternative to new controllers, allowing for the restoration of the drivetrain's efficiency while maintaining reasonable repair costs.

In the case of electronic modules, it is also important to handle the component correctly during installation – it is recommended to avoid electrostatic discharges, use appropriate tools, and perform work in workshop conditions. For users interested in a broader context of automotive electronics operation, including engine controllers, information contained in the article how to take care of iDrive systems and electronic modules using parts from dismantling, which discusses good practices for working with used modules, may be useful.

Expansion of 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 elements from the same group, such as additional controllers, engine management modules, or related electronic units, check the available parts in the Mercedes electronic control modules and controllers category.

By using consistent components from the same product group, it is possible to maintain a uniform electronic architecture of the vehicle, which facilitates diagnostics, service, and any subsequent system expansions.