Mercedes C205 C200 M264.915 Engine Control Unit ECU A2649001200 Automatic

Mercedes C205 C200 M264.915 Engine Control Unit ECU is a factory electronic control module designed for a petrol engine paired with an automatic transmission. This used component from the Electronic control modules and controllers category allows for professional powertrain repair without the need for expensive, new parts. It is a solution for users expecting proven electronics with parameters consistent with the manufacturer's requirements.

Specifications and technical data

• SKU: A2649001200-5
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2649001200
• Substitutable numbers: A2649001200, A 264 900 12 00, A2649001900, A 264 900 19 00, 0261S22041, 0 261 S22 041
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the engine control unit

The engine control unit in the Mercedes C205 C200 model with the M264.915 unit is responsible for precise management of the petrol engine's operation in conjunction with the automatic transmission. The module analyzes signals from sensors, selects the fuel dose, ignition timing, and cooperates with other vehicle systems to ensure stable operation of the powertrain, smooth acceleration, and correct response to load.

Thanks to dedicated software, the controller is matched to the characteristics of the specific engine and transmission configuration, which translates into consistent operation of the entire powertrain. Using an original module allows for maintaining factory operating parameters and compatibility with the vehicle's electrical installation.

Benefits of using an original module

Choosing an original controller for the Mercedes C-Class C205 C200 provides a number of practical advantages in daily operation:

• maintaining the factory control logic for the petrol engine,
• cooperation with the automatic transmission according to the manufacturer's specifications,
• possibility of diagnostics using standard service tools,
• consistency with the existing wiring harness and vehicle electronics architecture.

For workshops and users, this means easier configuration and a lower risk of compatibility issues compared to replacements of unknown origin.

Application in repairs and diagnostics

This engine control unit will work particularly well in situations where the previous module has been damaged due to a power surge, flooding, installation errors, or internal electronics failure. The used component allows for economical repair while maintaining a high level of functionality and compliance with the vehicle's factory configuration.

Before installation, it is recommended to verify compatibility with the specific equipment version and prepare for potential software adaptation in the vehicle. A correctly selected controller allows for restoring full powertrain efficiency, stable idle speed, and proper cooperation with safety and comfort systems.

Mercedes electronic control modules – expansion and modernization

If you are planning a comprehensive repair or modernization of the engine area in your Mercedes and need other components from the same group, such as engine control modules, transmission controllers, or other powertrain controllers, check the available parts in the Mercedes electronic control modules and controllers category.

Used engine control unit – what to look for?

When choosing a used engine control unit, it is worth paying attention to compatibility with the fuel type and transmission type, as well as the possibility of correct adaptation in the vehicle. A properly selected module allows for reducing repair costs while maintaining safe and predictable powertrain operation.

If you want to better understand when purchasing a used controller is profitable and how to minimize risks when choosing second-hand electronics, check out the guide: Second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Summary

Mercedes C205 C200 M264.915 Engine Control Unit ECU is a practical solution for drivers and service centers that want to restore full powertrain efficiency at reasonable costs. The original module from the Electronic control modules and controllers group ensures compliance with the factory configuration, predictable vehicle behavior, and the possibility of professional diagnostics and service maintenance.