Mercedes W177 W247 Audio Speaker Rear Left Right Door Loudspeaker A2478201402

Mercedes W177 W247 Audio Speaker Rear Left Right Door Loudspeaker is an original audio component designed for installation in the rear doors of Mercedes vehicles, providing stable and clear sound within the factory audio system. Thanks to a design tailored to the specific body generation, the speaker works with the original electrical installation, which facilitates installation and maintains the acoustic consistency of the interior. It is a practical solution for users who want to restore the proper operation of the sound system after the factory transducer has been damaged.

Specifications and technical data

• SKU: A2478201402
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2478201402
• Substitutable numbers: A2478201402, A 247 820 14 02
• Location on the vehicle: Rear, Right, Left
• Category: Door Panels

Purpose and placement in the vehicle

The presented speaker is intended for installation in the rear doors of Mercedes compact class vehicles, on the left or right side. Placement in the rear zone allows for an even distribution of sound in the cabin, which is particularly important for factory multi-speaker systems. The component works with the original door mounts, so it does not require any modifications to the upholstery or additional adapters.

Technical characteristics and integration with the installation

The speaker has been designed as part of the Mercedes audio system, taking into account the electrical and acoustic parameters of the factory sound system. The properly selected impedance and transducer design allow for direct connection to the standard wiring harness, without the need for additional modules or installation modifications. Such integration promotes the maintenance of a stable volume level, correct amplifier operation, and a consistent sound character throughout the interior.

Benefits of using an original door speaker

Using an original door speaker in a Mercedes allows you to avoid problems typical of replacements, such as mechanical mismatch or differences in sound characteristics. Key advantages include:

• factory fit for door mounting holes,
• acoustic consistency with other speakers in the vehicle,
• seamless cooperation with the standard electrical installation,
• maintaining the original character of the interior and door upholstery.

Thanks to this, replacing a damaged transducer with an original element from the Door Upholstery category allows you to restore acoustic comfort without interfering with the vehicle's structure.

Condition of the element and service application

The speaker comes from disassembly and is intended for service applications in Mercedes vehicles where the factory sound system in the rear doors has been damaged. This is a particularly beneficial solution for post-accident repairs or after interior flooding, when it is necessary to replace a single transducer instead of the complete audio system. Choosing such a component allows you to optimize repair costs while maintaining compliance with the factory specification.

Technical support and part selection

When selecting a speaker for a specific Mercedes model, it is worth paying attention to compatibility with the body version and audio equipment configuration. It is helpful to compare the markings from the disassembled element and verify the catalog numbers in the service documentation. In case of doubts regarding compatibility with the electrical installation or other vehicle modules, practical tips on working with used electronics and components can be found in the Global Parts guide: Used automotive electronics – a guide to selection and installation.

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other elements from the same group, such as trim panels, door cards, or mounting covers, check the available parts in the Mercedes Door Upholstery category.