Mercedes W169 A150 Petrol M266 95HP Engine Control Module A2661538479 Manual

Engine Control Module Mercedes W169 A150 Petrol M266 95HP is a specialized component from the Electronic Control Modules and Controllers group, designed to work with a petrol engine and a manual gearbox. It ensures precise engine operation management, supporting stable power characteristics and proper communication with other vehicle systems.

Specifications and technical data

• SKU: A2661538479
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2661538479
• Substitutable numbers: A2661538479, A 266 153 84 79, A0024463140, A 002 446 31 40, KZ
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Module Purpose and Function

The presented engine controller is designed for Mercedes A-Class W169 models with a 95 HP M266 petrol engine, working with a manual gearbox. Its task is to monitor key engine operating parameters, such as fuel injection, ignition timing, and sensor signal response, to maintain drivetrain stability under various operating conditions.

The module belongs to the Electronic Control Modules and Controllers group, meaning it acts as the central "brain" of the engine control system, interacting with the vehicle's electrical system and other onboard controllers.

Benefits of Using an Original Controller

Using an original control module dedicated to a specific petrol engine and manual gearbox configuration allows for the preservation of the original engine performance characteristics. In practice, this means:

• correct interaction with vehicle sensors and electrical system,
• stable starting and smooth engine operation across the entire RPM range,
• fuel consumption parameters consistent with factory specifications,
• coherence with other electronic systems in the car.

As a used component, the controller is a sensible choice for repairs and diagnostics, helping to reduce costs while maintaining compatibility with the original control system architecture.

Compatibility and Selection by Numbers

Selecting the correct control module for a Mercedes W169 A150 requires attention to manufacturer markings and compatibility with the specific petrol engine and manual gearbox version. The controller is linked to an OEM part number and has interchangeable numbers, which facilitates matching to a specific vehicle configuration based on service documentation or data from catalog systems.

To simplify the selection process, it is helpful to use practical tips for identification by manufacturer numbers and factory markings – especially when working with used electronic components.

For users who want to verify part compatibility with their car step-by-step, the following guide will be helpful: how to select the right car part by OEM number and other markings.

Application in the Drivetrain

In conjunction with the M266 petrol engine and manual transmission, the controller is responsible for the cohesive operation of the entire drivetrain. It influences:

• engine response to load and gear changes,
• interaction with safety and comfort systems,
• fault diagnosis through standard diagnostic tools.

This makes the module an essential component for restoring full vehicle functionality after an engine electronics failure or unsuccessful software modifications.

Condition and Service Application

The offered controller is a used component, making it a practical solution for repairs of daily-driven vehicles where both functionality and cost-effectiveness are important. These types of modules are often used in workshops specializing in automotive electronics and for professional control system refurbishment.

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 engine controllers, comfort modules, or gearbox control units, check the available parts in the category Electronic Control Modules and Controllers Mercedes.

To compare how different manufacturers maintain brand character through original electronic components, it is worth reading the article on our blog: how used modules and controllers help maintain the factory DNA of premium cars.