Mercedes R171 SLK 200K 163HP 271.944 Engine ECU Kit A2711535391 Keys Lock

Mercedes R171 SLK 200K 163HP 271.944 Engine ECU Kit is a specialized component from the Electronic control modules and controllers category, designed for precise management of the powertrain's operation. The controller works with the gasoline engine and automatic transmission, ensuring stable performance parameters and proper communication with other vehicle systems. This solution is dedicated to users looking for proven engine electronics tailored to the specifics of Mercedes models.

Specifications and technical data

• SKU: A2711535391-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2711535391
• Substitutable numbers: A2711535391, A 271 153 53 91, A0014466902, A 001 446 69 02, 5WK90583, A2115452308, A 211 545 23 08
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The presented control computer is responsible for coordinating the operation of the gasoline engine in the Mercedes R171 SLK 200K model with 163 HP and unit code 271.944. The module analyzes signals from sensors, manages fuel injection, ignition, and cooperation with the automatic transmission, which translates into smooth acceleration, predictable throttle response, and correct operation of safety systems.

Thanks to its factory architecture, the controller is optimized for a specific powertrain configuration, which makes it easier to maintain driving characteristics consistent with the manufacturer's specifications. A properly selected ECU module helps avoid communication issues within the vehicle network and reduces the risk of diagnostic errors.

Compatibility and replacement numbers

The item belongs to the Electronic control modules and controllers group, and its design allows for identification via OEM part numbers and available replacement numbers. The presence of multiple reference numbers facilitates the selection of the correct controller for a specific equipment version and vehicle year, which is particularly important when working with engine electronics in Mercedes cars.

Before purchasing, it is recommended to compare the markings with the currently installed module and verify compatibility with the engine and transmission configuration. This approach minimizes the risk of incompatibility and speeds up the installation and adaptation process of the controller in the vehicle.

Characteristics of operation with a gasoline engine and automatic transmission

The controller has been designed to work with a gasoline engine, which means appropriately selected ignition maps, mixture control strategies, and support for specific sensors and actuators. This makes it possible to maintain the engine's performance at a level consistent with factory standards, while maintaining proper dynamics and fuel economy.

At the same time, the module communicates with the automatic transmission, transmitting information necessary for the correct selection of gear ratios and smooth gear shifting. A functional engine controller has a direct impact on driving comfort, reduction of jerking, and proper cooperation with driver assistance systems.

Condition, origin, and service application

The product is offered as used, making it an attractive solution for workshops and users looking for an economical alternative to new modules. Such controllers are often used in engine electronics repairs, replacements after thermal damage or flooding, as well as in resolving communication problems within the vehicle network.

In service practice, the engine computer can be used both as a replacement part in case of failure and in diagnostic processes when it is necessary to rule out damage to the original module. A properly selected and prepared controller allows for restoring the full functionality of the powertrain without the need for mechanical engine intervention.

Technical support and additional resources

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 additional controllers, powertrain management modules, or systems working with the ECU, check out the available parts in the Mercedes electronic control modules and controllers category.

For those interested in a broader context of using used electronic modules in modern cars, an article describing how original dismantled components help preserve the character of a premium brand may be useful – more information can be found in the entry Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?.