Door Module Mercedes W205 W213 C253 Front Left N/S Control Unit ECU A1679003811

Door Module Mercedes W205 W213 C253 Front Left N/S Control Unit ECU is a specialized component from the Electronic control modules and controllers group, responsible for managing driver's door functions in modern Mercedes models. This component ensures precise control of electrical systems within the door, which translates into user convenience and stable operation of the vehicle's onboard installation.

Specifications and technical data

• SKU: A1679003811
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1679003811
• Substitutable numbers: A1679003811, A 167 900 38 11
• Location on the vehicle: Front, Left
• Category: ECUs & Computer Modules

Purpose and vehicle placement

The presented module is designed for installation in the front left door area, i.e., on the driver's side. As a component dedicated to specific Mercedes W205, W213, and C253 body generations, it works with the vehicle's electrical system in the door area, integrating with the factory CAN network architecture.

The placement on the vehicle defined as front – left side means that the module is responsible for handling functions such as window control, mirror adjustment, or central locking in the driver's door, according to the specific vehicle configuration.

Technical characteristics and role in the installation

As an element from the Electronic control modules and controllers category, the door module acts as a local controller that communicates with the vehicle's main control units. This enables:

• precise management of electrical functions in the driver's door,
• integration with comfort and safety systems,
• consistent operation with other modules in the vehicle.

A properly selected door module minimizes the risk of communication errors in the vehicle network, which is important for both the correct operation of equipment and service diagnostics.

Selecting the module by brand and identification numbers

The product is intended for Mercedes brand vehicles, therefore, it is recommended to verify compatibility with the specific model and year of the car during selection. The module has a dedicated OEM part number and assigned interchangeable numbers, which facilitates matching to the factory installation and reduces the risk of incompatibility.

During the purchase process, it is worth using the manufacturer's markings and vehicle data (e.g., VIN number) to ensure full hardware and software compatibility with the existing network of controllers.

Condition, origin, and benefits of choosing a used module

The offered door module is a used component, which allows for economical repair or replacement of a damaged controller while maintaining the original manufacturer's specifications. Choosing an original, used component often means better fitment to the installation than in the case of replacements, as well as maintaining software consistency in the vehicle.

An additional advantage is the possibility of quick replacement in plug-and-play mode (after proper matching and potential diagnostic adaptation), which shortens the vehicle's downtime in the workshop.

Technical support and additional information

To precisely select the door module for a specific car, it is worth using markings such as the product SKU, as well as OEM data and reference numbers. This allows you to avoid compatibility problems and speeds up the installation process.

If you are planning a comprehensive repair or upgrade of the electronic zone in your Mercedes and need other elements from the same group, such as comfort controllers, passenger door modules, or body units, check the available parts in the Mercedes electronic control modules and controllers category.

To better understand how to safely and consciously choose used controllers and other vehicle electronics, read the guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

If you are also interested in the ecological and economic aspect of using recycled parts, the following article may be helpful: Eco-driving: discover the benefits of used car parts, which shows how conscious component selection affects the environment and operating costs.