Audi A3 8V VW Golf Mk7 Start Stop Aluminium Switch Button Unit 5G2959839A

Audi A3 8V VW Golf Mk7 Start Stop Aluminium Switch Button Unit is an original component from the Switches, control elements and ignition locks group, designed to operate the engine start and stop function in Volkswagen vehicles. The aluminium finish of the button ensures an aesthetic appearance, and the factory OEM design guarantees a proper fit for the factory center console panel.

Specifications and technical data

• SKU: RHD-5G2959839A-1
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 5G2959839A
• Substitutable numbers: 5G2959839A, 5G2 959 839 A
• Part type: Push Button
• Category: Switches & Controls

Purpose and function of the Start Stop button

The presented button is a component of the ignition control system in vehicles equipped with a keyless engine start system. It is responsible for:

• activating and deactivating the ignition when the button is pressed,
• cooperating with the vehicle's factory start-stop system,
• integrating with body electronics and comfort modules.

Thanks to the OEM design, full electrical and logical compatibility with the vehicle's installation is maintained, which allows for stable system operation and proper communication with other control units.

Construction and workmanship of the aluminium button

The start-stop button unit features a solid body with an aluminium finish on the operating part, which translates into a pleasant-to-touch, precise operation. The materials used are resistant to typical operational loads inside the car, such as frequent pressing, temperature changes, or contact with the driver's hands.

The aluminium surface improves the visual appeal of the center console, blending well with other trim elements in Audi A3 8V and VW Golf Mk7 models. At the same time, the factory geometry of the latches and connectors is preserved, which facilitates installation in the original slot without the need for modifications.

Benefits of using an original switch

Using an original start-stop switch from this group of components brings a number of practical benefits:

• Factory fit – compatibility with the control panel and the vehicle's electrical harness, without the need for adaptation.
• Consistent interior aesthetics – the aluminium button harmonizes with other cockpit elements in Audi and Volkswagen models.
• Stable ignition system operation – proper cooperation with the start-stop system and control modules.
• Direct installation – the possibility of replacing a damaged or worn button with an OEM element of the same design.

This solution is particularly beneficial for users who want to restore the full functionality of the engine starting system while maintaining the original look and ergonomics of operation.

Condition, origin and service application

The item comes from a dismantled Volkswagen vehicle, which means it is an OEM part designed to work in specific models of the group. As a used component, it represents an attractive cost alternative to a new replacement, while maintaining the factory design specification.

Such a solution is often chosen by workshops and individual users who expect a reasonable balance between price and quality, especially when repairing ignition control systems and interior comfort features.

Expanding the control system in Volkswagen vehicles

If you are planning a comprehensive repair or upgrade of the ignition control zone and comfort functions in your Volkswagen and need other elements from the same group, such as function buttons, control modules, or ignition lock assemblies, check the available parts in the Volkswagen switches, control elements and ignition locks category.

More about used OEM parts and repair time

Choosing used OEM elements, such as the presented start-stop switch, often allows for significantly shortening the vehicle's downtime in the workshop and reducing costs. These issues have been discussed in more detail in the article: Availability of car parts off the shelf vs. repair time – how do used OEM parts shorten the stay in the workshop?, which can help in planning an effective repair.

If you are also interested in the broader context of using used premium-class components in higher-segment vehicles, it is worth reading the blog material Used parts for Mercedes - original parts from dismantling, which describes the practical advantages of using original components from dismantling in premium-class cars.