ECU Kit Mercedes W169 A180 M266.920 Petrol 95HP Key Ignition Lock Automatic

ECU Kit Mercedes W169 A180 M266.920 Petrol 95HP Key Ignition Lock Automatic is a complete electronic package designed for the powertrain of this model. It includes the engine control unit along with immobilizer components, which facilitates matching to the vehicle and allows for efficient replacement of a damaged module. This solution is particularly beneficial for professional repairs of the engine control system in automatic petrol versions.

Specifications and technical data

• SKU: A2661531491-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2661531491
• Substitutable numbers: A2661531491, A 266 153 14 91, A0034466040, A 003 446 60 40, 5WK90990, A1695452932
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the ECU kit

The ECU Kit Mercedes W169 A180 M266.920 Petrol 95HP Key Ignition Lock Automatic is responsible for precise control of the 95HP petrol engine and coordination with the automatic transmission. The module manages, among other things, fuel injection, ignition, and communication with other vehicle systems, ensuring stable operation of the power unit under various operating conditions. Integrating the controller with the ignition lock and key allows for maintaining the integrity of the vehicle's security system.

Kit completeness and installation benefits

The offered package includes the electronic engine control module along with components responsible for key recognition and ignition operation. As a result, the mechanic or auto electrician receives a coherent set that facilitates immobilizer configuration and reduces the risk of starting problems after replacement. Combining the controller with the ignition lock is particularly useful for repairs following electronic failures or wiring damage.

Application in petrol engine and automatic transmission

The presented kit is designed for a petrol-powered unit, meaning its maps and operating logic are adapted to the characteristics of this engine type. At the same time, the module works with the automatic transmission, coordinating data exchange between the engine controller and the gear shifting system. Such matching promotes smooth drivetrain operation, correct gear changes, and stable idle speed.

Characteristics of the used product

The offered item comes from the Electronic control modules and controllers category and is a used part, which allows for a significant reduction in repair costs compared to purchasing a new component. A used ECU kit is a popular choice for workshops specializing in automotive electronics, where both economy and the ability to quickly restore vehicle functionality are valued. A properly selected module of this type is an effective solution in the event of an original controller failure.

How to consciously choose a used ECU controller

When selecting a used control kit, it is worth paying attention to compatibility with the engine version, fuel type, and transmission type, as well as the completeness of elements associated with the immobilizer. It is also good practice to consult an auto electrician who will assess the possibility of adapting the kit to a specific car. To better understand when choosing second-hand electronics is profitable and what to look for when purchasing, it is worth reading the guide Second life for electronics – when is it worth opting for used engine controllers, comfort modules, and parking sensors?, where you will find practical tips on selecting an ECU.

If you are planning a comprehensive repair or upgrade of the engine control area in your Mercedes and need other elements from the same group, such as additional controllers, management modules, or control systems, check the available parts in the Mercedes electronic control modules and controllers category.