Mercedes E-Class W211 Passenger Side Acquistition Actuation Signal Control Unit

Mercedes E-Class W211 Passenger Side Acquistition Actuation Signal Control Unit is a component from the Electronic control modules and controllers category, designed for advanced control of seat settings in the rear of the vehicle. This solution allows for restoring the proper operation of the passenger seat electrics while maintaining the factory logic of the comfort system in the Mercedes.

Specifications and technical data

• SKU: A2115452132
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2115452132
• Substitutable numbers: A2115452132, A 2115452132, A 211 545 21 32, BG
• Location on the vehicle: Rear
• Category: ECUs & Computer Modules

Purpose and function of the module

The passenger seat module in the Mercedes E-Class W211 is responsible for controlling the electric functions of the seat located in the rear of the vehicle. It integrates signals from the adjustment buttons and the electrical installation, ensuring smooth and repeatable operation of the mechanisms responsible for passenger comfort.

As an element from the Electronic control modules and controllers category, this component works with other controllers in the vehicle, which allows for maintaining the consistency of the entire comfort and safety system.

Benefits of using the original module

Using a dedicated passenger seat module for the Mercedes E-Class W211 allows you to:

• maintain compatibility with the vehicle's factory electrical architecture,
• preserve the seat adjustment functions intended by the manufacturer,
• minimize the risk of communication errors between controllers,
• facilitate diagnostics using professional service testers.

Thanks to this solution, restoring the efficiency of the seat system is more predictable and technically organized than when using random replacements.

Placement in the vehicle and installation aspects

The module is designed for installation in the rear part of the car, in the immediate vicinity of the passenger seat. Such placement shortens the length of the electrical harnesses and limits voltage drops, which promotes stable operation of the adjustment system.

Before installation, it is recommended to verify the compatibility of the module with the equipment of the specific E-Class W211 unit and to check the condition of the seat's electrical installation. A correctly selected and connected controller allows for quick restoration of functionality without the need for interference with other vehicle systems.

Product characteristics and practical application

The offered module comes from a Mercedes brand vehicle and is intended for use in the passenger seat system of the E-Class W211. As a used part, it is a cost-effective solution for workshops and individual users who want to restore full seat functionality without giving up original electronics.

The product is particularly useful in situations where there are problems with seat adjustment, loss of power to individual functions, or communication errors within the comfort system. Replacing the module with a functional unit is often an effective diagnostic and repair step.

More solutions and technical knowledge

If you are planning a comprehensive repair or upgrade of the comfort zone in your Mercedes and need other elements from the same group, such as seat controllers, comfort modules, or other interior management systems, check the available parts in the Electronic control modules and controllers Mercedes category.

Before deciding to install a used controller, it is worth learning about good practices for selecting and verifying automotive electronics – you will find practical tips in the article Second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which discusses key aspects of safety, compatibility, and cost-effectiveness of such solutions.