Mercedes ML W166 Seat Adjustment Switch Front Door Right Black A1669052103

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes ML W166 Seat Adjustment Switch Front Door Right is an original control component from the Switches, control elements and ignition switches category, designed for installation in the front right door. It ensures precise operation of the driver or passenger seat settings, maintaining factory ergonomics and stylistic consistency of the Mercedes interior.

Specifications and technical data

• SKU: A1669052103
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1669052103
• Substitutable numbers: A1669052103, A 166 905 21 03
• Location on the vehicle: Front, Right
• Color: Black
• Category: Switches & Controls

Purpose and function of the switch

The offered switch is dedicated to the seat zone in the front part of the vehicle on the right side. As a component mounted in the door panel, it is responsible for convenient seat position control directly from the driver's or passenger's seat, depending on the vehicle version. Thanks to its factory design, it maintains full compatibility with the electrical installation and comfort system in the Mercedes ML W166.

Construction, color scheme and interior fit

The switch is finished in black, which allows for aesthetic matching with most upholstery and door panel configurations in this model. The neutral color facilitates integration with factory cockpit elements, and the consistent shape of the buttons ensures clear and intuitive control. The design intended for installation in the front right door allows for maintaining the original seat control layout.

Benefits of using an original switch

Using an original seat adjustment switch in the Mercedes ML W166 allows for maintaining the consistency of the electrical system and driving comfort. The main advantages include:

• Factory fit to the door panel and vehicle installation.
• Consistent operating ergonomics with other control elements in the interior.
• Reduced risk of compatibility issues compared to aftermarket replacements.
• Maintaining the original look and functionality of the cabin.

The item from the Switches, control elements and ignition switches category is essential for daily convenience, especially in premium class cars, where precise seat adjustment affects the comfort and safety of the driver and passengers.

Characteristics of the used product

The offered switch comes from a Mercedes vehicle as a used part. Such components are frequently chosen for servicing premium cars because they allow for maintaining the original equipment specification at reasonable repair costs. A used control element, sourced from dismantling, constitutes an attractive alternative to new parts, especially when priority is given to compliance with the factory installation and maintaining the original interior look.

Technical support and part selection

Before purchasing, it is worth verifying the compatibility of the switch with the specific equipment version and model year of the Mercedes ML W166 to ensure proper operation of all seat adjustment functions. If necessary, comparing the shape and layout of the buttons with the element currently installed in the vehicle may be helpful. This makes the installation process smoother and minimizes the risk of mismatch.

If you are planning a comprehensive repair or upgrade of the seat and door control zone in your Mercedes and need other elements from the same group, such as window switches, mirror adjustment knobs, or door lock control modules, check the available parts in the Mercedes switches, control elements and ignition switches category.

More practical information about the advantages of using original parts from dismantling in cars of this brand can be found in the article Used parts for Mercedes – original parts from dismantling, which discusses, among other things, the economic and technical aspects of such a solution.