Mercedes W210 E200 Kompressor M111.957 163 HP Engine Control Unit ECU Automatic

Mercedes W210 E200 Kompressor M111.957 163 HP Engine Control Unit ECU Automatic is a factory control module designed for the M111.957 supercharged engine, compatible with automatic transmissions. This component from the Electronic control modules and controllers category is responsible for precise engine management, ensuring stable parameters and correct communication with other vehicle systems. It is a solution for users who expect compliance with the factory configuration and predictable powertrain operation.

Specifications and technical data

• SKU: A1111531879-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1111532979
• Substitutable numbers: A1111531879, A 111 153 18 79, 5WK90403
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the engine control unit

The presented controller is dedicated to the M111.957 163 HP supercharged petrol engine in the Mercedes E-Class W210 generation, in the version with an automatic transmission. As the central ECU, it manages key engine operating parameters, such as fuel dosage, ignition timing, and interaction with engine protection systems. Using an original module allows for maintaining factory performance characteristics, which translates into predictable output and proper cooperation with the vehicle's other electronics.

Benefits of using an original ECU

Using an original engine control unit in a Mercedes W210 E200 Kompressor ensures:

• preservation of factory control maps and powertrain operating logic,
• proper communication with the automatic transmission and other modules,
• consistency with the vehicle's electrical installation and network architecture,
• easier diagnostics using professional service testers.

For workshops and users, this means a lower risk of compatibility issues and stable engine operation after replacement. Factory software and matching to the specific powertrain configuration promote trouble-free operation and facilitate subsequent service procedures.

Application in vehicles with automatic transmission

The presented controller is designed to work with an automatic transmission, which is significant for both gear shift logic and engine protection. The ECU exchanges data with the transmission module, coordinating gear shift timing, engine load, and throttle response. A correctly selected controller for the automatic version minimizes the risk of jerking, incorrect gear ratios, or communication errors between modules.

Product characteristics and practical application

The offered item comes from the Electronic control modules and controllers group, meaning it is an integral part of the powertrain management system in a Mercedes. It is suitable both for replacing a damaged ECU and for electrical system repairs where compliance with the original vehicle specification is required. The used nature of the product allows for economical repair while maintaining factory build quality and design.

Technical support and additional information

When selecting a controller for a specific Mercedes vehicle, it is crucial to verify compatibility with the engine and transmission configuration. It is worth paying attention to manufacturer markings and interchangeable numbers to ensure full compatibility with the vehicle's installation. If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as control modules, auxiliary controllers, or other ECU units, check the available parts in the Mercedes electronic control modules and controllers category.

For users interested in the broader context of electronic module operation in modern cars, including engine controllers, material describing the operation and repair of systems in other brands may be useful. You can find more about the practical approach to regeneration and replacement of controllers and comfort modules in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using dismantled parts?.