Seat Switch Mercedes W213 S213 Heated Control Unit Front Right O/S A2139051604

Seat Switch Mercedes W213 S213 Heated Control Unit Front Right O/S is an original passenger seat control element for Mercedes E-Class W213/S213 vehicles, responsible for managing seat adjustment and heating functions. This module, from the Switches, Control Units, and Ignitions category, ensures precise signal transmission to the vehicle's electrical system, maintaining factory ergonomics and interior consistency. A used component allows for an economical yet professional repair of the front right seat control system.

Specifications and technical data

• SKU: rhd-A2139051604
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2139051604
• Substitutable numbers: A2139051604, A 213 905 16 04, KD
• Location on the vehicle: Front, Right
• Category: Switches & Controls

Seat Controller Purpose and Function

The presented seat switch, integrated with the heating control unit, is designed for installation on the front right passenger side in Mercedes E-Class W213/S213 models. It is responsible for operating the seat's electric functions and transmitting signals related to seat heating to the vehicle's electrical system. This ensures that the driver and passenger retain full functionality of the comfort system without needing to interfere with the factory wiring harness.

Construction and Vehicle System Integration

The seat control unit is designed as an OEM component, ensuring full compatibility with factory connectors, mounting points, and the logic of Mercedes' comfort system. The module works with the vehicle's original electronics, providing:

• correct communication with the seat's electrical system and the comfort system,
• stable operation of seat adjustment and heating functions,
• preservation of the original appearance and ergonomics of the control panel.

Thanks to its factory design, installation is straightforward, without the need for wiring modifications or adapters.

Benefits of Using an Original Seat Switch

Using an original seat switch with a heating control unit in a Mercedes W213/S213 restores full functionality to the front right passenger seat. Key benefits include:

• compatibility with the vehicle's safety and comfort systems,
• maintenance of the seat heating system's factory operating parameters,
• visual consistency with other cockpit elements,
• direct replacement of a damaged module without additional modifications.

A used OEM part is a sensible choice for users looking to reduce repair costs while maintaining a high standard of comfort system operation.

Condition, Verification, and Service Application

This module is a salvaged part offered as a tested used component, intended for service applications in Mercedes E-Class W213/S213 vehicles with right-hand drive, where a front right seat switch is required. This type of part is particularly useful in cases of:

• passenger seat adjustment control failure,
• malfunctioning right-side seat heating,
• mechanical or electrical damage to the original control panel.

By maintaining the original manufacturing standard, the module can be used for both routine repairs and professional interior restoration after a collision or flood damage.

Technical Support and Related Products

If you need other components from the Switches, Control Units, and Ignitions category for Mercedes vehicles, such as additional control modules or comfort control panels, please check the available parts in the Mercedes Switches, Control Units, and Ignitions category.

To better plan your repair and make informed choices about original salvaged components, it is advisable to consult a guide describing the advantages of using used premium parts – this is discussed in detail in the article Used Mercedes Parts – Original Salvaged Components, which helps assess the cost-effectiveness and safety of such a solution.