Mercedes W245 Horn Low Signal Sound Fanfare Front 420 Hz A0055424220

The Mercedes W245 Horn Signal 420 Hz is an original warning system component designed for installation in the front of the vehicle. It offers a precisely tuned, clear audible signal at a frequency of 420 Hz, ensuring legible communication on the road. This is a solution for users who expect proven compatibility with Mercedes and the preservation of original acoustic parameters.

Specifications and technical data

• SKU: A0055424220
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0055424220
• Substitutable numbers: A0055424220, A 005 542 42 20, BG
• Location on the vehicle: Front
• Category: Horns

Technical characteristics of the Mercedes W245 horn

The horn from the series used in the Mercedes W245 belongs to the horns category and was designed as an active safety system component. The 420 Hz frequency provides a well-audible, distinct tone that effectively cuts through street noise, while remaining consistent with the typical sound characteristics used in vehicles of this brand.

Its placement in the front of the vehicle promotes optimal sound propagation in front of the car, improving the effectiveness of warning other road users. The horn's construction is adapted to the factory mounting points and electrical installation in the models for which it was intended by the manufacturer.

Purpose and fit for Mercedes W245

The Mercedes W245 Horn Signal 420 Hz was developed with the aim of preserving the original acoustic system properties in cars of this series. As a result, after replacement, the user receives:

• preservation of the original character of the warning sound,
• certainty of fit for the intended mounting location at the front of the vehicle,
• consistency with other electrical system components.

This is particularly important for vehicles where maintaining the original manufacturer's specifications is crucial – both for technical and usability reasons.

Used condition – practical benefits

The offered horn is in used condition, which allows combining the functionality of an original part with a more favorable purchase cost. For workshops and individual users, this means the possibility of quickly replacing a faulty audible signal with a part from disassembly, retaining factory design parameters.

Choosing a used OEM component is particularly attractive where availability, compatibility with factory mountings, and cost reduction for servicing are important, while maintaining a high level of safety.

Application in service and repairs

Horns from this series are well-suited for the daily work of workshops specializing in the Mercedes brand. They facilitate:

• efficient replacement of a damaged audible signal without the need for installation modifications,
• maintaining compliance with factory safety standards,
• reducing vehicle downtime in the workshop thanks to a ready-to-install component.

If you want to learn more about how used OEM parts affect repair time and workshop workflow, check out the article: availability of used OEM parts and repair time in a workshop.

Other Mercedes horns

For users looking for other Mercedes horns in the same category, a dedicated offer has been prepared. Check out the available Mercedes horns to select the right audible signal for your specific vehicle model and configuration.