Seat Switch Mercedes W213 W238 Heater Heated Control Rear Left N/S A2139050204

The Mercedes W213 W238 Left Rear Seat Heating Switch Panel is an original part from the Switches, Controls, and Ignition Switches category, designed to control the heating of the rear left seat. It allows for convenient and precise management of the rear passenger seat heating function, maintaining factory ergonomics and interior consistency. This is a practical solution for users who want to restore the full functionality of the comfort system in their Mercedes.

Specifications and technical data

• SKU: A2139050204
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2139050204
• Substitutable numbers: A2139050204, A 213 905 02 04
• Location on the vehicle: Rear, Left
• Category: Switches & Controls

Panel Purpose and Function

The switch panel is responsible for operating the seat heating for the rear left position in Mercedes W213 and W238 class models. It is a dedicated control element that:

• provides convenient access to the heating function for the rear seat passenger,
• integrates with the vehicle's factory comfort system,
• allows for intuitive activation and adjustment of the seat heating.

By maintaining the original operating logic of the system, the panel ensures seamless cooperation with the vehicle's electronics and existing wiring.

Construction and Interior Fitment

As a part from the Switches, Controls, and Ignition Switches group, the panel is designed to harmoniously blend into the trim of the door panel or rear console, depending on the specific interior configuration. The construction includes:

• factory mounting points for stable installation in the original location,
• a connector prepared for integration with the Mercedes electrical harness,
• a button layout adapted to the ergonomic standards used in the W213/W238 series.

The vehicle placement specified as rear – left side clearly identifies the mounting position and reduces the risk of selection errors.

Benefits of Using an Original Switch

Using an original seat heating switch panel in a Mercedes offers a number of practical benefits:

• maintaining a consistent interior appearance and finish quality,
• precise fit into factory mounting holes,
• correct operation with comfort control modules,
• no need for electrical system modifications.

A part in used condition allows for a lower cost of restoring seat heating system functionality while maintaining the original manufacturer's specifications.

Professional Selection and Installation

To select the correct switch panel, it is advisable to pay attention to compatibility with the vehicle generation and its placement on the vehicle. It is helpful to compare the shape, button layout, and connector type with the part currently installed in the car. Installation is recommended to be entrusted to someone experienced with Mercedes electrical systems, which minimizes the risk of damage to upholstery or wiring harnesses.

If you are planning to expand or service the comfort control system in your Mercedes and need other parts from the switches and controllers category for this brand, check the available parts in the Mercedes Switches, Controls, and Ignition Switches category.

Used Original Mercedes Parts – More Information

Choosing a used, original control panel is a sensible compromise between cost and maintaining factory quality. If you want to better understand the advantages of original salvaged components in cars of this brand and how they affect comfort and reliability, read the article: Used Mercedes Parts – Original Salvaged Components.