Mercedes W169 A150 M266.920 95HP Engine Control ECU Kit A0014460340 Automatic

Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU A0014460340 Automatic is an original electronic control module from the Electronic Control Units and Controllers category, designed for a gasoline engine unit working with an automatic transmission. This is a solution for users who want to restore proper engine operation while maintaining factory control logic and full integration with the vehicle's electrical system.

Specifications and technical data

• SKU: A0014460340-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0014460340
• Substitutable numbers: A0014460340, A 001 446 03 40, A2661534879, A 266 153 48 79, 5WK90922, A1695452932, A 169 545 29 32, A1695451508, A 169 545 15 08
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and Function of the Engine Control Unit

The ECU in this model is responsible for the comprehensive management of the gasoline engine in the Mercedes A-Class W169 series with the A150 engine. It controls, among other things, fuel injection, ignition timing, auxiliary equipment operation, and cooperation with the automatic transmission, which translates into stable running characteristics, predictable throttle response, and correct operation of onboard systems.

As an OEM part, the module is factory-matched to the vehicle's electrical architecture, ensuring:

• consistency with the vehicle's original software,
• proper communication with other controllers on the CAN network,
• appropriate operating maps for the gasoline engine,
• correct cooperation with the automatic transmission.

Benefits of Using an Original ECU for Mercedes W169 A150

Using a dedicated control unit for a specific engine version and transmission type minimizes the risk of compatibility issues. A correctly selected module helps avoid communication errors, incorrect idle speeds, or starting problems. For the user, this means:

• stable engine operation across the full RPM range,
• maintenance of factory performance parameters and fuel consumption,
• correct operation of functions related to the automatic transmission,
• easier computer diagnostics based on standard service procedures.

The module comes from the Electronic Control Units and Controllers group, which guarantees it is a component designed specifically for operation in the demanding thermal and electrical conditions of the engine bay.

Technical Characteristics in the Context of Fuel and Transmission

The presented ECU is configured to manage a gasoline-powered engine, which is crucial for proper control of the air-fuel mixture, ignition, and emission control systems. Its application in a gasoline unit requires different maps and algorithms than in diesel engines, which is why selecting the correct type of control unit is so important.

Simultaneously, the module is adapted for cooperation with an automatic transmission. This means that the control logic includes data exchange between the engine ECU and the transmission control, which affects:

• smooth gear changes,
• appropriate torque matching to the current gear,
• reduction of jerks during starting and acceleration,
• consistent operation of driver assistance systems.

Condition, Origin, and Practical Application

The offered control unit is a used part, which, in the case of OEM electronics for vehicles like the Mercedes W169 A150, represents a reasonable compromise between cost and maintaining factory quality. Modules of this type, when correctly selected and adapted, can effectively resolve common engine operation issues such as starting difficulties, unstable idle, or illuminated engine warning lights.

Due to the specific nature of automotive electronics, before installation, it is recommended to:

• verify compatibility based on the OEM number and interchangeable part numbers,
• check the configuration for fuel type and transmission,
• perform any necessary adaptation or programming at a specialized service center.

Selection and Technical Knowledge – Expert Support

When choosing a used engine control unit, correct matching by manufacturer markings and vehicle configuration is crucial. A detailed discussion of selection principles, hardware and software compatibility issues, and practical examples can be found in the guide: used automotive electronics – ECU modules and second-hand sensors. This is a valuable source of knowledge that helps reduce the risk of an incorrect purchase and facilitates communication with an electrician or diagnostic technician.

If you are also looking for other Electronic Control Units and Controllers dedicated to this brand, check out our offer: Mercedes electronic control units and controllers. This will allow you to easily compare available solutions and select components for your car's specific configuration.