Front Speaker Mercedes W177 W247 Tweeter Audio Sound Unit A2478201300

Front Speaker Mercedes W177 W247 Tweeter Audio Sound Unit is an original audio system component designed for installation in the front section of Mercedes vehicles. Engineered as a tweeter for factory-fitted installations, it allows for the restoration of proper sound quality and high-frequency clarity in the cabin, while maintaining consistency with the factory interior architecture.

Specifications and technical data

• SKU: A2478201300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2478201300
• Substitutable numbers: A2478201300, A 247 820 13 00
• Location on the vehicle: Front
• Category: Trim

Purpose and function in the audio system

The presented tweeter operates in the front sound zone, responsible for reproducing high frequencies within the audio system. As a component of the factory sound system, it ensures:

• precise reproduction of music details and voice messages,
• consistent tuning with other speakers in the doors and dashboard,
• stable performance within the frequency range specified by the vehicle manufacturer.

Thanks to its perfect fit for the specific body generation, the tweeter integrates with factory trims and moldings, allowing for the preservation of interior aesthetics without the need for modifications.

Construction and integration with trim elements

The tweeter has been designed to work with elements from the Trims, decorative moldings, and decorations group, which are featured in Mercedes models of this series. This means:

• dedicated mounts adapted to factory mounting points in the front of the vehicle,
• compatibility with original speaker grilles and decorative panels,
• preservation of the consistent stylistic line of the cockpit and doors.

This design facilitates installation and reduces the risk of improper fitment of interior elements, which is particularly important in premium class vehicles.

Vehicle placement and installation aspects

The component is intended for installation in the front of the car, in the zone factory-designated for the tweeter. In practice, this means that:

• installation takes place in existing sockets or panels,
• there is no need to interfere with the structure of the doors or dashboard,
• correct sound dispersion geometry towards the driver and passenger is maintained.

Due to its factory-intended design for a specific vehicle platform, the tweeter works with the original electrical wiring, which promotes stable operation of the audio system.

Performance characteristics and advantages of use

Choosing this tweeter allows you to restore or maintain the proper acoustic parameters in the Mercedes cabin. Key benefits include:

• maintaining factory sound quality without the need for installation modifications,
• visual consistency with original trims and decorative moldings,
• the ability to replace a damaged tweeter without interfering with other system components.

The product in used condition is a reasonable solution for repairs and renovations when compliance with factory specifications and service cost control are the priority.

Compatibility within the Mercedes brand

As a component dedicated to Mercedes vehicles, the tweeter has been developed taking into account the brand's standards regarding acoustics, safety, and interior integration. As a result, the following is maintained:

• compliance with the factory design assumptions of the audio system,
• proper cooperation with the onboard electronics responsible for the sound system,
• harmonious combination of functional utility with interior aesthetics.

This approach is particularly important in premium class cars, where sound quality and cabin appearance are an integral part of driving comfort.

If you are planning a comprehensive repair or upgrade of the interior trim zone in your Mercedes and need other elements from the same group, such as decorative moldings, trim panels, or speaker grilles, check the available parts in the Mercedes Trims, decorative moldings, and decorations category.