Mercedes W177 A35 AMG 306HP 260.920 4Matic Engine ECU Control Unit A2649001200

Mercedes W177 A35 AMG 306HP 260.920 4Matic Engine ECU Control Unit is a specialized electronic control unit designed for the petrol engine unit working with an automatic transmission and 4Matic drive. This component from the Electronic control modules and controllers group is responsible for precise engine management, ensuring stable performance and consistency with factory Mercedes vehicle systems.

Specifications and technical data

• SKU: A2649001200-4
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2649001200
• Substitutable numbers: A2649001200, A 264 900 12 00, 0261S22041, 0 261 S22 041, A2649011900, A 264 901 19 00
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the engine control unit

The presented engine control unit has been designed to work with a high-power petrol engine in the Mercedes A-Class AMG version, with all-wheel drive and an automatic transmission. The controller is responsible for key processes such as fuel metering, ignition control, safety system operation, and communication with other electronic modules in the vehicle. This ensures proper dynamics, smooth acceleration, and predictable drivetrain responses.

Benefits of using an original module

Using a factory engine control unit in a Mercedes A35 AMG allows for maintaining consistency with the vehicle's original electronic architecture. Proper matching with the drivetrain featuring an automatic transmission and 4Matic drive reduces the risk of communication errors between modules and facilitates configuration during vehicle adaptation. For the user, this means stable engine operation, predictable behavior of assistance systems, and the possibility of further diagnostics in accordance with factory procedures.

Application in a petrol system with an automatic transmission

The engine control unit dedicated to the petrol engine has been calibrated to the specific requirements of this fuel type, including combustion characteristics, fuel injection system operation, and component protection strategies. Integration with the automatic transmission allows for precise torque management, which translates into smooth gear changes and proper power utilization in the driving modes available in the AMG version. This type of controller is particularly important in high-performance cars, where the stability of operating parameters has a direct impact on component durability.

Characteristics of the used product

The offered engine control unit is a used component, which allows for an economical restoration of the vehicle's control system efficiency while maintaining the manufacturer's original specifications. This type of solution is often chosen for repairs following electronic damage, engine replacement, or the need to match a controller to an existing installation. Before installation, it is recommended to perform standard service procedures, such as diagnostics, potential programming, or adaptation to a specific vehicle, in accordance with procedures used in Mercedes service centers.

Selection and operation of electronic control modules

When choosing a used engine control unit, it is crucial to match it to the specific vehicle configuration, including fuel type and transmission type. A properly selected module minimizes the risk of starting problems, vehicle network communication errors, and improper operation of assistance systems. It is also worth paying attention to compatibility with other elements from the Electronic control modules and controllers group to maintain full functionality of the drivetrain and comfortable vehicle usage.

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 controllers, management modules, or control systems, check the available parts in the Mercedes electronic control modules and controllers category.

To better assess when choosing a used engine control unit is justified and how to safely approach the purchase of automotive electronics, it is worth reading our guide: A second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?