Mercedes-Benz W205 Tailgate Boot Button Trunk Open Switch A2229057600

Description

Mercedes-Benz W205 Tailgate Boot Button Trunk Open Switch is an original component from the Switches, control elements and ignition locks group, designed to control the electric opening of the trunk lid. It is a practical solution for users who expect precise operation, seamless integration with the vehicle’s electrical system, and the preservation of factory ergonomics.

Specifications and technical data

• SKU: A2229057600
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2229057600
• Substitutable numbers: A2229057600, A 222 905 76 00
• Category: Switches & Controls

Function and application in the Mercedes-Benz W205

This trunk switch is responsible for the convenient, electric release of the tailgate lock in W205 series models, providing quick access to the cargo area. As a part of the body control system, it works in conjunction with the vehicle’s electrical installation, comfort modules, and the trunk lock, maintaining the operational logic intended by the manufacturer.

Thanks to its factory design, the button maintains the correct travel, a tactile actuation point, and appropriate resistance to typical operational loads, which translates into repeatable and predictable performance in daily use.

Construction and integration with the control system

The switch is designed as a component installed within the tailgate or its inner trim, with a properly shaped housing and an electrical connector matched to the Mercedes-Benz wiring harness. The applied design allows for correct mounting in the designated location without the need for modifications or adaptations.

As a part from the Switches, control elements and ignition locks group, it works with other comfort system components, maintaining consistency in control signals and electrical parameters. As a result, the trunk opening system remains compliant with the vehicle’s factory settings, and the response to pressing the button is predictable and stable.

Benefits of using an original switch

Using an original trunk opening button in a Mercedes-Benz allows you to maintain a uniform standard of workmanship in the interior and the trunk area. The shape, operation method, and mechanical characteristics are matched to other control elements in the car, which contributes to a consistent user experience during operation.

A part sourced from dismantling is a solution that enables an economical repair of the tailgate opening system while maintaining factory specifications. For many users, this is a reasonable compromise between costs and maintaining original quality and compatibility with the vehicle’s electronics.

Condition and service purpose

The button is offered as a used part, making it an attractive alternative for maintenance repairs, such as replacing a damaged or faulty trunk switch. This type of component is particularly useful in situations where the existing part has suffered mechanical wear, housing damage, or signal conduction issues.

The selection of the correct switch for a specific body version and model year of the W205 should always be verified based on the vehicle’s technical data and part numbers in the specification, which minimizes the risk of incorrect fitment.

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

Used original Mercedes parts – why it is worth it

Choosing original, used control elements in a Mercedes-Benz allows you to maintain proper cooperation with the electrical installation, comfort modules, and safety systems. Components of this type are designed for long-term operation, and their reuse in another vehicle often constitutes a cost-effective form of repair.

If you want to learn more about the advantages of using original parts from dismantling in cars of this brand, it is worth reading the article Used parts for Mercedes – original parts from dismantling, which discusses the practical aspects of selecting and using such solutions.