Mercedes W205 W217 W253 Ignition Key Reader Engine Start Stop Switch A2229005513

Mercedes W205 W217 W253 Ignition Key Reader Engine Start Stop Switch is an original component from the Switches, control elements and ignition switches group, designed for Mercedes vehicles. It enables the proper operation of the electronic ignition switch and communication with the key, which is crucial for trouble-free starting and securing the vehicle.

Specifications and technical data

• SKU: A2229005513
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2229005513
• Substitutable numbers: A2229005513, A 222 900 55 13
• Part type: Switch Assembly
• Category: Switches & Controls

Purpose and function in the vehicle

The presented ignition key reader is designed as a component of the ignition control system in Mercedes C-Class, S-Class, and GLC models from the W205, W217, and W253 families. It is responsible for reading data from the key and transmitting signals to the vehicle's electronic systems, which allows for engine starting and the operation of comfort functions.

Thanks to its factory design, the component works with the vehicle's electrical installation and communication bus, ensuring stable operation of the access and start system. This solution is particularly important in cars equipped with advanced safety and driver comfort systems.

Benefits of using an original ignition switch

Using an original key reader in a Mercedes allows you to maintain the full functionality of the factory system without the need for wiring modifications or interference with the electronics. Proper fitment to the specific model platform reduces the risk of communication errors, starting problems, or malfunctions of security features.

The main advantages include:

• factory fitment to the vehicle's electrical architecture,
• consistency with comfort and safety systems,
• possibility of using the existing key configuration after appropriate programming,
• stable operation in daily use.

Characteristics and condition of the item

The offered item comes from a Mercedes vehicle and is classified in the Switches, control elements and ignition switches group. The product is used, which in practice means that before installation, it is worth verifying compatibility with the specific equipment version and planning any necessary programming for the given car.

For workshops and service centers specializing in the Mercedes brand, such a component is a practical solution for repairing starting systems, issues with key reading, or replacing a damaged electronic ignition switch.

Application in diagnostics and repairs

The ignition key reader is often used not only as a spare part but also as an auxiliary element in diagnosing faults related to the starting system. This allows for:

• verifying the correctness of communication between the key and the vehicle's electronics,
• eliminating faults resulting from mechanical or electronic damage to the old ignition switch,
• restoring full system functionality after collisions or interior flooding.

For end users, this means the ability to restore vehicle performance while maintaining the factory logic of the ignition system operation.

Related components and system expansion

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

More information about the benefits of using original, used components in vehicles of this brand can be found in the article Used parts for Mercedes – original components from dismantling, which discusses the practical aspects of selecting and operating such elements. If you want to further organize the process of purchasing and verifying used components online, the guide Safe purchase of used car parts online – a step-by-step guide will be helpful.