Mercedes W415 Citan Ignition Barrel Key Aerial Ring Antenna 8200405701

Mercedes W415 Citan Ignition Barrel Key Aerial Ring Antenna is an original component from the Switches, control elements and ignition switches group, designed for the ignition and key authorization system. This used component ensures a factory fit for the electrical installation and proper cooperation with the vehicle's electronics, which facilitates service and reduces the risk of starting issues.

Specifications and technical data

• SKU: 8200405701
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: 8200405701
• Substitutable numbers: 8200405701, 8200 405 701
• Category: Switches & Controls

Purpose and function in the ignition system

The presented Mercedes W415 Citan Ignition Barrel Key Aerial Ring Antenna is a component responsible for handling the ignition and communicating with the transponder in the key. Once correctly installed, it enables:

• mechanical turning of the key into the ignition and start positions,
• a stable connection with the steering column wiring harness,
• reading the signal from the key via the integrated aerial ring.

Thanks to this, the starting system in the Mercedes Citan W415 maintains compliance with the factory operating logic, and the vehicle's control units receive the correct authorization signals.

Construction and compatibility

The ignition switch was designed by Mercedes as an OEM component, which translates into a proper fit with the steering column housing and correct positioning of the aerial ring relative to the key. The design provides:

• an integrated key aerial ring,
• a mechanical socket matched to the key profile used in the Citan W415,
• electrical connectors prepared for the standard wiring harness.

The presence of the OEM part number and interchangeable numbers in the technical specification allows for precise verification of compatibility with a specific vehicle equipment version.

Condition, functional advantages and installation

The item is offered as a used part, which is a cost-effective solution while maintaining original manufacturing quality. In practice, this means:

• factory fit for mounts and electrical harnesses,
• no need for mechanical modifications in the steering column,
• the possibility of use in ignition system repairs and when replacing a damaged ignition switch.

Installation by an experienced service center is recommended, following procedures regarding the immobilizer system and safety when working with electrical installations.

Support with selection and expansion of the control system

If you are planning a comprehensive repair or upgrade of the ignition control area in your Mercedes and need other elements from the same group, such as additional ignition switches, steering column switches, or control elements, check the available parts in the Mercedes switches, control elements and ignition switches category.

When working with used safety and control system components, it is worth paying attention to diagnostic procedures and proper verification of the installation's condition. Practical tips on the safe selection of aftermarket components can be found in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.

Summary

Mercedes W415 Citan Ignition Barrel Key Aerial Ring Antenna is a functional, original component from the Switches, control elements and ignition switches category, designed to restore proper ignition operation and key authorization. Thanks to its factory design, the presence of the OEM number in the specification, and the cost-effective nature of the used component, it is a rational choice for repairs to the starting system in Mercedes vehicles.

Additional information on the safe use of aftermarket parts, particularly in the context of key vehicle systems, can be found in the guide Second-hand braking system: how to safely select discs, calipers, and ABS?, which shows universal principles for verifying used subassemblies.