Mercedes S211 W211 Front Tone Horn Signal Woofer 420Hz Left N/S A0055426320

Mercedes S211 W211 Front Tone Horn Signal Woofer 420Hz Left N/S is an original warning system component, designed for installation on the front left side of Mercedes vehicles. The precisely selected 420 Hz frequency ensures a clear, well-audible signal, supporting road safety. This used component from the Horns category allows for an economical yet technically correct replacement of a damaged sound signal.

Specifications and technical data

• SKU: A0055426320
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0055426320
• Substitutable numbers: A0055426320, A 005 542 63 20
• Location on the vehicle: Front, Left
• Color: Grey
• Category: Horns

Purpose and function of the horn

The presented horn is designed as a sound signal mounted in the front left part of the body. Its placement in this area promotes effective sound propagation in front of the vehicle, which increases the clarity of warnings for other road users. The 420 Hz frequency belongs to the range well-received by the human ear, making the signal clear even in noisy urban environments.

This element plays a key role in the active safety system – it is responsible for quickly informing the surroundings about the driver's maneuvers, potential danger, or the need to draw attention. Using a dedicated horn for the specific S211/W211 body series reduces the risk of installation and acoustic matching issues.

Construction, color scheme, and vehicle integration

The horn features a compact design, facilitating installation in the front of the vehicle where space is limited by other components. The gray color of the housing allows for discreet integration of the element behind the bumper or covers, without affecting the aesthetics of the front compartment. This color scheme is neutral and blends well with typical solutions used in Mercedes vehicles.

Positioning it on the front left side of the vehicle promotes proper routing of the electrical installation and maintenance of the factory mounting layout. Thanks to this, the horn can be seated stably, which minimizes the risk of unwanted vibrations and resonances, thereby influencing the repeatable, predictable character of the emitted sound.

Benefits of using an original horn

Using an original horn from the S211/W211 series ensures:

• compliance with the vehicle's factory acoustic characteristics,
• proper fit for the intended mounting location on the front left side,
• easier integration with the existing electrical harness,
• maintenance of the consistency of the active safety system.

For the user, this means stable operation of the sound signal, without the need for installation modifications or custom mounts. The used element also allows for optimizing service costs while maintaining proper operating parameters.

Application in service practice

Mercedes S211 W211 Front Tone Horn Signal Woofer 420Hz Left N/S will prove useful both for a typical replacement of a damaged signal and for restoring full vehicle functionality after accident repairs in the front part of the body. Thanks to the dedicated placement on the vehicle, the service has the ability to quickly identify the correct mounting point, which shortens workshop time.

In the case of extensive repairs, it is worth treating the horn replacement as part of a comprehensive restoration of the safety system's efficiency, especially when the vehicle has been exposed to damage in the front zone. Maintaining the appropriate signal frequency and correct sound emission direction has a direct impact on the comfort and safety of daily operation.

Expanding the signal system in a Mercedes

If you are planning a comprehensive repair or upgrade of the front signal system zone in your Mercedes and need other elements from the same group, such as additional sound signals, horns with different characteristics, or compatible control modules, check the available parts in the Mercedes Horns category.

For drivers interested in optimizing service costs and making informed choices regarding used parts for repairs of other brands, a guide describing a practical approach to the secondary market may be helpful – more information can be found in the article on economical repair using original used parts.