Mercedes C117 W156 W176 W242 Ignition Switch Lock Control Module A2469054903

Mercedes C117 W156 W176 W242 Ignition Switch A2469054903 is an original part from the Ignition Accessories category, designed for the starting system in selected Mercedes models. A used OEM ignition switch ensures a factory fit, maintaining proper interaction with the vehicle's electrical system and ignition system. This is a solution for users who expect compliance with factory specifications and want to maintain the integrity of the ignition system.

Specifications and technical data

• SKU: A2469054903
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2469054903
• Substitutable numbers: A2469054903, A 246 905 49 03, A2469057303, A 246 905 73 03
• Part type: Ignition Module
• Category: Ignition Modules

Technical Characteristics of the Mercedes Ignition Switch

The presented ignition switch belongs to the Ignition Accessories group, which are components responsible for initiating engine operation and interacting with the vehicle's electronics. OEM construction is designed for specific body models and electrical system generations, which translates to:

• correct recognition of the key or control module,
• proper sequence of activating ignition and accessory circuits,
• stable communication with other vehicle modules.

Thanks to this, the ignition switch maintains operating parameters consistent with the manufacturer's design, which is particularly important in modern systems with extensive electronics.

Purpose and Compatibility

The ignition switch is intended for use in selected Mercedes models from the C117, W156, W176, and W242 series. This means its geometry, connectors, and mounting method are adapted to the factory solutions used in these body types. In practice, this translates to:

• easier installation in place of the original part,
• no need for electrical harness modifications,
• maintaining correct interaction with the ignition and security system.

Choosing an OEM ignition switch for a specific model helps avoid problems with incorrect ignition operation, communication errors, or incompatibility with control unit software.

Benefits of Using an Original Ignition Switch

Using an original part from the Ignition Accessories group to replace a worn or damaged ignition switch offers a number of practical benefits:

• Factory Fit – the component is designed for the vehicle's specific electrical architecture, minimizing the risk of engine starting problems.
• System Security Consistency – the ignition switch interacts with the ignition system and electronics in accordance with the manufacturer's design.
• Stable Starting System Operation – correct activation of ignition circuits, accessories, and control unit power supply.

This solution is particularly recommended for vehicles where maintaining a continuous service history and the original electrical configuration is important.

Condition and Service Application

The offered ignition switch is a used part, making it an attractive cost alternative to new OEM components while retaining the factory design. It is suitable for both typical replacement due to wear and tear, as well as for post-accident repairs or troubleshooting ignition system issues.

In practice, the product can be used for, among other things:

• diagnosing and eliminating engine starting problems,
• repairing the ignition system after mechanical damage,
• restoring full functionality of the starting system in Mercedes vehicles of the mentioned series.

Mercedes Ignition Accessories – Selection and Further Information

If you are looking for other Mercedes Ignition Accessories tailored to specific models of this brand, check out our dedicated category: Mercedes ignition accessories. There you will find a wide selection of starting and ignition system components, which facilitates a comprehensive approach to repairing or upgrading the electrical system.

For those interested in the broader context of using original and aftermarket parts in automotive, an article comparing the construction of classic and modern models and the role of OEM components may be useful: Classic Mini vs. Modern MINI – Construction Differences and the Importance of OEM Parts. It helps to better understand why choosing the right components is so important for the durability and functionality of the vehicle.