Seat Module Mercedes W204 Front Right O/S Memory Control Unit A1729007600

Mercedes W204 Seat Memory Module A1729007600 is a specialized component from the Electronic Control Units and Controllers category, responsible for precise management of the driver's or passenger's seat settings. This used module allows for convenient seat position memorization, translating into a more comfortable, repeatable, and safe driving position in your Mercedes.

Specifications and technical data

• SKU: A1729007600
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1729007600
• Substitutable numbers: A1729007600, A 172 900 76 00
• Location on the vehicle: Front, Right
• Category: ECUs & Computer Modules

Module Purpose and Placement

The presented seat memory module is designed for operation in the front part of the vehicle, on the right side. Its placement within the vehicle is strictly defined, which facilitates the selection of the correct component for a specific interior configuration. This allows the module to work in conjunction with the seat's electrical system and the comfort control system, ensuring seamless integration with the vehicle's other electronics.

As a component dedicated to a specific mounting position, the module is optimized for wiring harnesses, connectors, and control logic, which reduces the risk of installation errors and speeds up servicing.

Seat Memory Function and Vehicle Electronics Integration

The seat memory module is responsible for managing programmed positions of the seat, backrest, and other adjustable seat elements, depending on the specific car's equipment. Once correctly coded and connected to the vehicle's electrical system, it enables:

• memorizing selected seat settings for different users,
• recalling saved positions using buttons on the door or seat,
• cooperation with other comfort systems, if present in the vehicle.

This allows the driver or passenger to quickly return to their preferred seating position, improving ergonomics and reducing fatigue on longer journeys. The stable operation of the seat memory module directly impacts the comfort of daily vehicle use.

Benefits of Using an Original Mercedes Module

This module belongs to the group of Electronic Control Units and Controllers dedicated to Mercedes vehicles. Using an original solution ensures:

• factory compatibility with the vehicle's electrical system and network architecture,
• correct communication with other control units in the car,
• appropriate operating parameters in line with manufacturer standards.

A used component with retained functionality is a sensible choice when the existing module has failed or is causing errors in the comfort system. This allows for reduced repair costs while maintaining high quality and perfect fit for the specific model.

Selection, Installation, and Technical Aspects

When selecting a seat memory module, it is crucial to verify compatibility with the vehicle based on the part number and the specific car's equipment. Matching by catalog numbers and seat configuration is recommended to ensure full functionality after installation.

Installation should be performed by someone experienced with automotive electronics, adhering to safety procedures (disconnecting power, correctly connecting connectors, potential coding or adaptation in the diagnostic system). A properly installed module allows for seamless seat memory operation and minimizes the risk of vehicle network errors.

Used Control Electronics – When is it a Good Choice?

For components such as seat memory modules, comfort controllers, or other electronic control units, purchasing a used component can be technically justified and economically advantageous. The condition is proper selection based on numbers and configuration, and verification of the component's operation before installation in the vehicle.

If you want to understand more broadly how to safely choose used controllers and modules, check out the Global Parts guide: used automotive electronics – second-hand ECU modules and sensors. You will find practical tips there on selection by VIN/OEM, hardware and software compatibility, and installation.

Other Mercedes Electronic Control Units and Controllers

If you are also looking for other Mercedes Electronic Control Units and Controllers to match your car, check out our dedicated offer: Mercedes Electronic Control Units and Controllers. This will allow you to easily compare available solutions and select the right component for your specific vehicle configuration.