Mercedes W205 X253 Estate Seat Switch Release Backrest Button A2059058404

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W205 X253 Estate Seat Switch Release Backrest Button is an original control element designed for the rear backrest adjustment system in Mercedes C-Class and GLC estate models. This specialized switch from the Switches, controls and ignition locks group allows for convenient folding of the seat backrest from the trunk or passenger area, improving interior functionality. It is a practical solution for users who expect comfortable cargo space management from their Mercedes.

Specifications and technical data

• SKU: A2059058404
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2059058404
• Substitutable numbers: A2059058404, A 205 905 84 04
• Category: Switches & Controls

Function and application of the seat backrest release button

The presented button is responsible for controlling the rear seat backrest folding mechanism in the estate body style, which facilitates quick expansion of the cargo space without the need for manual operation of the backrest. The component is integrated with the vehicle's electrical system and works with factory Mercedes control modules, ensuring full compatibility with the original equipment.

A solution of this type is particularly useful in everyday vehicle use when larger loads are frequently transported. A functional button allows for:

• direct activation of the backrest folding mechanism from a single location,
• maintaining the ergonomics of cargo space operation,
• preserving the factory functionality of the Mercedes interior.

Construction and integration with the control system

As an element from the Switches, controls and ignition locks group, the button is designed to operate in the vehicle interior environment, taking into account typical operational loads. The switch housing is adapted for installation in a dedicated spot in the upholstery or side panel, and the electrical connector works with the factory Mercedes wiring harness.

A properly selected stroke and pressure resistance characteristic ensures tactile, precise operation, which facilitates use even when wearing gloves. Using an original solution allows for maintaining visual and functional consistency with other control elements in the cabin.

Benefits of using an original Mercedes switch

Using an original seat backrest release button in a Mercedes W205 or X253 estate brings a number of practical benefits:

• Full compatibility with the electrical system – no need for wiring modifications or the use of adapters.
• Consistency with the factory safety system and comfort system logic.
• Aesthetic match to other interior elements, with no differences in color or texture.
• Possibility of restoring original functionality after a failure or damage to the previous switch.

This solution is particularly recommended for post-accident repairs, replacement of damaged side panels, or restoring full functionality of the rear bench seat after intensive use.

Product characteristics and condition

The offered button comes from the Mercedes brand, which guarantees compliance with the manufacturer's factory design standards. The item is marked as used, which in practice means it has been removed from a vehicle and is intended for re-installation after prior verification of its operation. This type of component is a good choice for users who want to maintain a high level of vehicle functionality at reasonable service costs.

Before installation, it is recommended to perform a standard check of the connector condition and proper seating in the target panel to ensure stable switch operation in the long term.

Expanding the control system in your Mercedes

If you are planning a comprehensive repair or upgrade of the interior control zone in your Mercedes and need other elements from the same group, such as buttons, switches, or control elements, check the available parts in the Mercedes switches, controls and ignition locks category.

When selecting used control elements, it is also worth reading the guide on the cost-effectiveness of installing original dismantled components in cars of this brand – a detailed discussion can be found in the article Used parts for Mercedes – original dismantled components.