Mercedes W204 Coupe Window Lifter Switch Driver's Side Mirror Adjust A1729056800

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W204 Coupe Window Lifter Switch Driver's Side Mirror Adjust is an original component from the Switches, control elements and ignition locks group, designed for installation in the front part of the driver's door. It provides convenient control of the window and exterior mirror, restoring full functionality to the control panel in the cabin.

Specifications and technical data

• SKU: A1729056800
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1729056800
• Substitutable numbers: A1729056800, A 172 905 68 00
• Location on the vehicle: Front
• Category: Switches & Controls

Function and application

This switch is responsible for controlling the driver's window lifter and adjusting the side mirror in the Mercedes C-Class Coupe version. Located at the front, in the driver's door area, it allows for precise mirror adjustment and smooth opening and closing of the window, which directly affects the comfort of daily vehicle operation.

The component is designed as part of the door electrical system, working with factory wiring harnesses and control modules, thus maintaining consistency with the vehicle's original system.

Construction and integration with the installation

The switch belongs to the Switches, control elements and ignition locks group, which means it has been developed for direct cooperation with Mercedes factory electronics. The panel design provides for:

• integrated driver's side window control,
• exterior mirror adjustment support,
• fitment to the factory mounting hole in the door upholstery.

Thanks to this, installation comes down to placing the switch in the factory location and connecting it to the existing harness, without the need for installation modifications.

Benefits of using an original used component

Choosing an original Mercedes switch in used condition is a reasonable compromise between quality and cost. The component maintains factory operating parameters and compatibility with vehicle systems, while allowing for cost savings compared to a new part.

A used switch from dismantling is also a way to maintain the visual consistency of the interior – the shape, button layout, and operation method correspond to the solutions provided by the manufacturer, which is important when repairing premium class vehicles.

Application in service practice

This switch model will work well both for a typical replacement of a damaged control panel and for restoring full functionality of the driver's door after body and paint repairs or work on the electrical installation. Stable button operation and proper cooperation with control modules affect the safety and convenience of vehicle operation.

If you are planning a comprehensive repair or upgrade of the driver's door control area in your Mercedes and need other elements from the same group, such as button panels, window switches, or control modules, check the available parts in the Mercedes switches, control elements and ignition locks category.

More about used parts for Mercedes

When choosing used control elements for a Mercedes, it is worth paying attention to their origin and compliance with the manufacturer's factory solutions. Original components from dismantling often allow maintaining a high standard of comfort and functionality without excessively burdening the service budget. You can find more practical information on this topic in the article Used parts for Mercedes – original components from dismantling, which discusses the advantages of using original components from the secondary market.