Mercedes W205 C200d 626.951 136HP Engine Control Unit ECU A6269000000 Manual

Mercedes W205 C200d 626.951 136HP Engine Control Unit ECU A6269000000 Manual is an original engine control module designed for the diesel engine in the W205 C-Class model with a manual transmission. This item from the Electronic Control Units and Controllers category is responsible for precise engine management, ensuring stable performance and proper interaction with other vehicle systems. Thanks to its factory design, this ECU is the right choice for professional repair of the powertrain in a Mercedes C200d.

Specifications and technical data

• SKU: A6269010000
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6269010000
• Substitutable numbers: A6269010000, A 626 901 00 00, 0281030192, 0 281 030 192
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and Function of the Engine Controller

The presented engine controller is designed to work with the 626.951 engine unit with a power output of 136 HP in the Mercedes C-Class W205 model, C200d version. As a factory ECU module, it is responsible for controlling fuel injection, turbocharging, combustion parameters, and communication with other electronic vehicle systems. Using the correct controller is crucial for maintaining proper engine operating characteristics, smooth acceleration, and compliance with factory control maps.

Compatibility with Manual Transmission

This controller is dedicated to vehicles equipped with a manual transmission, which is important when selecting parts. The ECU's software and hardware configuration are adapted to the specifics of working with a manual gearbox, including how information about load, rotational speed, and gear changes is transmitted. Proper matching of the module to the transmission type minimizes the risk of errors, limp mode, and incorrect operation of driver assistance systems.

Application in the Mercedes Electronic System

As an element from the Electronic Control Units and Controllers group, this ECU communicates with the vehicle's CAN network, exchanging data with the instrument cluster, comfort module, safety systems, and diagnostic system. A correctly selected controller enables:

• maintaining full functionality of factory engine control systems,
• proper communication with diagnostic testers,
• stable operation under various load and temperature conditions,
• maintaining operating parameters in line with manufacturer's specifications.

This makes the module a suitable solution for both post-accident repairs and for replacing a damaged controller in a daily-driven Mercedes C200d.

Product Characteristics and Selection by Numbers

The offered controller comes from a Mercedes vehicle and is an original part, which translates to proper fit for the electrical system and engine bay mounts. The product is marked with a dedicated OEM part number and has interchangeable numbers, facilitating precise identification and selection for a specific car configuration. When purchasing, it is advisable to verify compatibility by part number, reference numbers, and vehicle data to ensure full hardware and software compatibility.

Condition, Installation, and Practical Aspects

The module is offered as a used engine controller, which significantly reduces repair costs compared to purchasing a new part, while maintaining the factory design. Before installation, typical procedures for ECU controllers in Mercedes vehicles should be considered, such as potential coding, adaptation, or immobilizer data transfer, depending on the technology used in the specific vehicle instance. Installation in a specialized service center with appropriate diagnostic software is recommended.

Technical Support and Selection of Used ECUs

If you want to better understand how to safely choose used control modules and what to look for when selecting by OEM numbers, interchangeable numbers, and during installation, consult the guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?. The article discusses practical aspects of purchasing and installing used electronics, helping to reduce the risk of incompatibility.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as additional controllers, engine management modules, or related electronic units, check the available parts in the Mercedes Electronic Control Units and Controllers category.