Mercedes W140 Seat Memory Control Unit Module Front Left N/S A1408201426

Mercedes W140 Seat Memory Control Unit Module Front Left N/S is a specialized component from the Electronic control modules and controllers category, responsible for managing the driver's seat settings on the left side. This solution is designed for users who expect precise operation of the seat adjustment system and the maintenance of full comfort functionality in the Mercedes W140 class.

Specifications and technical data

• SKU: A1408201426
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1408201426
• Substitutable numbers: A1408201426, A 140 820 14 26
• Location on the vehicle: Front, Left
• Category: ECUs & Computer Modules

Function and application of the seat memory module

The presented module is responsible for controlling and storing seat positions in the front left part of the vehicle. It integrates signals from adjustment buttons and position sensors, allowing for the quick recall of saved settings. This enables the driver to enjoy comfortable, repeatable seating positions, which improves ergonomics and driving safety.

As an element from the Electronic control modules and controllers category, the module works with the vehicle's electrical system and other comfort controllers, ensuring consistent operation of the entire seat adjustment system.

Benefits of using the original module in a Mercedes W140

Using a dedicated seat memory module in a Mercedes W140 allows for the preservation of the factory logic of the comfort system. Proper matching to the vehicle's installation reduces the risk of communication errors and problems with power supply or seat adjustment motor control.

The main advantages include:

• preservation of the driver's seat memory function on the left side,
• consistency with the vehicle's original electrical architecture,
• stable operation of the seat adjustment system in daily use.

Installation and operational characteristics

The module is designed for installation in the front left part of the vehicle, in the area associated with the driver's seat. The design intended for the Mercedes W140 allows for installation in the place of the factory controller, using original connectors and mounts, which facilitates service work and shortens replacement time.

The product is offered as a used part, which provides a reasonable compromise between repair costs and maintaining the vehicle's original specifications. This type of solution is often chosen when restoring full functionality of comfort systems in classic cars and youngtimers, to which the Mercedes W140 belongs.

Selecting the appropriate module and vehicle compatibility

When selecting a seat memory module, it is crucial to match it to the specific equipment version and the side of installation in the vehicle. Proper matching of technical parameters allows for avoiding communication problems in the vehicle's electrical network and ensures the correct operation of the memory function.

To facilitate compatibility verification, information such as vehicle brand, placement on vehicle, as well as detailed identification data in the technical specification section, including OEM part number, interchangeable numbers, and SKU, are available in the product card.

Why consider a used electronic module

In the case of components such as seat memory modules, choosing a used controller is often technically justified. Electronics of this type, when used correctly, retain their properties for a long time, and using an original component from the secondary market allows for maintaining consistency with the vehicle's factory configuration.

If you would like to learn more about the secondary use of automotive electronics, methods of selecting controllers, and practical service tips, check out the article: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.

Expanding the control system in a Mercedes

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