Horn Signal Mercedes ML W164 W169 W203 Fanfare Low Tone Siren A0055422820

Mercedes ML W164 W169 W203 Horn Sound Signal Fanfare is an original part from the horns category, designed for factory installation in selected Mercedes models. It provides a clear, audible acoustic signal, compliant with vehicle manufacturer requirements and current safety standards. A used OEM component is a sensible choice for drivers who expect proven quality and proper integration with the car's electrical system.

Specifications and technical data

• SKU: A0055422820
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0055422820
• Substitutable numbers: A0055422820, A 005 542 28 20
• Category: Horns

Intended Use and Compatibility with Mercedes Models

The Mercedes ML W164 W169 W203 Horn Sound Signal Fanfare is designed as a factory acoustic signal for selected models of the ML series, as well as A and C classes. The horn's construction is adapted to the electrical system parameters of these vehicles, which facilitates installation and reduces the risk of compatibility issues.

Its original Mercedes origin ensures proper fit with mounting points and the electrical harness, allowing the part to be used as a replacement for the factory-installed acoustic signal without the need for modifications.

Construction and Characteristics of the Acoustic Signal

This horn belongs to the category of fanfare-type acoustic signals, meaning it produces a clear, dynamic tone that is easily audible in city traffic and on the road. The acoustic design ensures rapid volume increase upon pressing the steering wheel button, enhancing the effectiveness of warning other road users.

The horn's housing is designed for operation in the engine bay, where variable temperature conditions and increased humidity are present. Solutions used in original Mercedes horns promote stable performance over a long service life, while maintaining the appropriate sound characteristics.

Condition, Functionality, and Benefits of Choosing a Used Horn

The offered part is in used condition, meaning it comes from disassembly but retains full functionality required for further operation. For many users, this is a beneficial solution, allowing them to maintain the vehicle's original specifications at a lower cost compared to a new OEM component.

Choosing a used Mercedes horn offers:

• preservation of factory sound characteristics and correct integration with the electrical system,
• better fit to mounting points than many universal aftermarket alternatives,
• a sensible compromise between price and quality for maintenance repairs.

Why Choose Mercedes Horns from the OEM Category

Original Mercedes horns are designed for specific models, resulting in stable operating parameters, appropriate loudness levels, and regulatory compliance. Unlike universal acoustic signals, an OEM component minimizes the risk of malfunction, electrical system interference, or installation problems.

If you are looking for other Mercedes horns compatible with different models of this brand, check out the Mercedes horns available in our store to select the right acoustic signal for your car based on manufacturer markings.

Professional Selection and Additional Technical Support

When selecting used electrical components, such as horns, it is crucial to pay attention to compatibility with manufacturer markings and the vehicle's installation parameters. It is advisable to use procedures based on OEM numbers and catalog data, similar to more complex assemblies. You can read more about the safe selection of used components and verifying their fit in the guide Why Buy Used Gearboxes and Engines – Facts Instead of Myths, which discusses practical principles for selecting parts based on manufacturer markings.