Mercedes W205 W213 W238 W222 Start Stop Button Switch is an original part from the Switches, Control Elements, and Ignition Switches category, designed for factory engine start systems in Mercedes premium vehicles. It enables convenient, keyless engine starting, maintaining consistency with the factory interior trim and vehicle electronics.
Specifications and technical data
- SKU: A2139055500
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2139055500
- Substitutable numbers: A2139055500, A 213 905 55 00
- Category: Switches & Controls
Application and Compatibility
The Start Stop button is designed to work with factory comfort access and engine start systems in Mercedes C-Class, E-Class, S-Class models, as well as coupe versions, such as W205, W213, W238, and W222. This solution is intended for users who wish to restore full ignition system functionality after a failure or wear of the existing component.
By retaining the original design and electronics, this part is compatible with the vehicle's existing wiring, without the need for harness modifications or additional programming beyond the standard service procedure for the specific car.
Construction and Function of the Control Element
The button belongs to the group of ignition switches and control elements, responsible for initiating the start sequence and engine shutdown. The design includes:
- a momentary push mechanism, transmitting a signal to the vehicle's control modules,
- integrated Start/Stop function markings, clearly visible from the driver's perspective,
- a housing that fits the factory center console panel or ignition switch area.
This solution allows for a consistent cockpit appearance and proper operating ergonomics, without visual discrepancies compared to other interior elements.
Benefits of Using an Original Start Stop Button
Using an original switch in Mercedes vehicles offers a range of practical benefits:
- Full Electronics Integration – the button works with factory comfort and security modules, reducing the risk of system errors.
- Precise Mechanical Fit – the shape and mounting points are consistent with the factory panel, facilitating installation and ensuring a secure fit.
- Interior Visual Consistency – the characteristic look of the driver's area typical for Mercedes premium models is preserved.
This solution is particularly recommended in situations where the existing component exhibits issues with responsiveness to pressing, intermittent operation, or visible signs of wear.
Condition, Origin, and Purchase Value
The offered Start Stop button is a used part, sourced from a dismantled Mercedes vehicle. Such components offer a sensible compromise between repair costs and maintaining original quality and compatibility with the factory system. In many cases, they significantly reduce the cost of restoring full engine start system functionality compared to purchasing a new component.
If you want to learn more about the advantages of using original dismantled parts in this brand's cars, check out the article: used parts for Mercedes – original dismantled components, where we discuss the practical aspects of selecting and using such components.
Selection and Other Mercedes Switches
When selecting this Start Stop switch, it is important to pay attention to compatibility with the specific body generation and vehicle equipment configuration. If in doubt, it is recommended to verify with the service documentation or a specialized workshop dealing with Mercedes electronics.
If you are also looking for other Mercedes Switches, Control Elements, and Ignition Switches, check out our dedicated offer: Mercedes Switches, Control Elements, and Ignition Switches, where you will find a wide selection of original components for various models of this brand.
