Mercedes-Benz C W204 Front Right Door O/S Door Locking Switch Button A2049058502

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes-Benz C W204 Front Right Door O/S Door Locking Switch Button is an original control component from the Switches, control elements and ignition locks category, designed for installation in the front right section of the vehicle. It allows for convenient, precise control of the passenger door opening mechanism, maintaining factory ergonomics and visual consistency of the Mercedes interior. It is a practical service solution for repairing door installations or restoring full functionality to the control panel.

Specifications and technical data

• SKU: A2049058502
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049058502
• Substitutable numbers: A2049058502, A 204 905 85 02, KZ
• Location on the vehicle: Front, Right
• Category: Switches & Controls

Purpose and function in the vehicle

The button has been designed specifically for the Mercedes W204 family of models and operates in the front right door area. As a component of the control system, it is responsible for transmitting the opening signal, working in conjunction with the electrical installation and the door lock. This provides the driver or passenger with quick, intuitive access to the door unlocking function without interfering with other vehicle systems.

Its placement in the front, right zone makes the component essential for any service work related to the passenger door control panel, replacing a damaged button, or restoring the full efficiency of factory equipment.

Benefits of using the original button

Using a dedicated door opening button in the Mercedes W204 ensures:

• preservation of factory ergonomics and control panel logic,
• consistent interior appearance with other cockpit and door trim elements,
• proper cooperation with the electrical installation and control modules,
• reduced risk of compatibility issues typical of universal replacements.

As a part from the Switches, control elements and ignition locks group, the button fits into the factory control system architecture, which facilitates diagnostics and subsequent service maintenance.

Installation characteristics

The button is designed for installation in the factory location in the front right door, within the existing control panel. The design intended for the Mercedes allows the component to be seated in the original socket without the need for modifications to the upholstery or electrical installation, provided that other components are compatible with the vehicle version.

Before installation, it is worth verifying compatibility with your specific vehicle based on data such as make, body generation, and vehicle placement. This facilitates the selection of the appropriate component and minimizes the time required for service work.

Condition and service application

The item comes from the secondary market, which makes it an attractive solution for the economical repair of the door control system in a Mercedes. Such components are often chosen for:

• mechanical damage or wear of the factory button,
• post-collision repairs in the area of the front right door,
• restoring full functionality of the control panel after an electrical failure.

Choosing a used, original switch allows you to maintain the high quality of workmanship characteristic of the Mercedes brand, while reducing costs compared to new parts from an authorized service center.

Related control elements and technical knowledge

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

When performing service work on the vehicle, it is also worth ensuring the safe selection of components responsible for stopping the car. In this regard, the guide describing the selection of used brake system components, available in the article Second-hand brake system: how to safely choose discs, calipers, and ABS?, will be helpful.