Mercedes C219 Alarm Horn Signal Fanfare A0055423820

The Mercedes C219 Low-Tone Horn 420Hz is an original part from the Horns group, specifically designed for Mercedes vehicles. Its low-tone operating characteristic and precisely selected 420 Hz frequency ensure a clear, audible warning signal, compliant with safety requirements and manufacturer standards.

Specifications and technical data

• SKU: A0055423820
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0055423820
• Substitutable numbers: A0055423820, A 005 542 38 20, 703881157, 70388 1157, 70/388 1157
• Category: Horns

Purpose and Function of the 420 Hz Low-Tone Horn

The presented low-tone horn is responsible for generating a strong, deep warning sound that improves signal audibility on the road, especially in urban traffic and at higher speeds. The use of a low frequency of 420 Hz allows for better penetration of ambient noise, increasing the effectiveness of warning other road users.

This component has been developed as part of the factory acoustic system for Mercedes, ensuring stable and predictable integration with the vehicle's electrical system. Appropriately selected electrical and acoustic parameters minimize the risk of interference and guarantee a consistent volume level under various operating conditions.

Construction and Fit for Mercedes Vehicles

The low-tone horn in this configuration is an OEM construction, prepared for installation in dedicated mounting points within the Mercedes C219 body. The housing is designed to protect the working components from moisture and dirt, while allowing for unimpeded sound propagation outwards.

The factory electrical connector allows for connection to the existing wiring harness without the need for modifications, simplifying servicing and reducing installation time. By maintaining the original mounting geometry and correct sound emission direction, the horn, after replacement, retains the acoustic parameters specified by the vehicle manufacturer.

Benefits of Using an Original Mercedes Horn

Using an original low-tone horn to replace a worn or damaged component restores the full functionality of the warning system without compromising on volume or sound quality. This is particularly important for premium vehicles where both effectiveness and acoustic consistency with other systems are crucial.

Choosing a component from the Horns group dedicated to Mercedes minimizes the risk of malfunction, which is common with aftermarket replacements of uncertain specifications. Stable operation, predictable load on the electrical system, and compliance with original design specifications translate into trouble-free long-term use.

Used Condition and Environmental Aspect

The offered component is in used condition, meaning it comes from a dismantled vehicle and has been verified for its suitability for further use. This solution helps reduce repair costs while maintaining the original quality of workmanship characteristic of the Mercedes brand.

Choosing a used horn from dismantling also aligns with the principles of a circular economy – it reduces waste and the demand for new component production. To learn more about the benefits of such an approach to vehicle servicing, we recommend reading the article on the impact of used parts on the environment and the driver's budget.

Expanding the Sound Signal System in Mercedes

If you are planning a comprehensive repair or upgrade of the acoustic signaling area in your Mercedes and require other components from the same group, such as additional high-tone signals, mounting brackets, or power harnesses, check the available parts in the Mercedes Horns category.