Mercedes Vito W639 Speaker Mount Rear Left N/S Bracket Holder A6398270314

Mercedes Vito W639 Speaker Mount Rear Left N/S Bracket Holder is a precision mounting component designed for the stable installation of the rear left speaker in the vehicle body. Thanks to its factory-spec geometry, it ensures a secure fit, reduces unwanted vibrations, and helps maintain proper acoustics in the rear cabin area. This is a practical solution for users looking to restore the correct operation of their audio system after upholstery repairs or speaker replacement.

Specifications and technical data

• SKU: A6398270314
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6398270314
• Substitutable numbers: A6398270314, A 639 827 03 14, BG
• Location on the vehicle: Rear, Left
• Category: Bumpers & Reinforcements

Purpose and function of the bracket

The presented bracket is dedicated to the rear left side of the vehicle, where it is responsible for the stable mounting of the speaker in the factory installation point. Its well-designed structure allows for proper pressure of the speaker against the panel, which minimizes the risk of looseness, resonance, and rattling noises originating from the upholstery area.

The component belongs to the Linings, decorative strips, and trims group, meaning it works in conjunction with the interior finish, masking the mounting zone and helping to maintain a consistent look for the door panel or side trim. The bracket is particularly useful when replacing damaged mounts after upholstery disassembly or audio system upgrades.

Compatibility with Mercedes vehicles

The bracket has been designed with the Mercedes body structure in mind, which translates into correct alignment with mounting points and compatibility with the factory audio system. As a result, it can be used both with standard speakers and when installing aftermarket replacements with similar basket geometry, provided the original mounting layout is maintained.

Basing the design on solutions used by the Mercedes brand helps reduce the need for modifications, drilling additional holes, or using makeshift adapters. This is especially important in vehicles where maintaining the factory assembly standard and interior aesthetics is a priority.

Operational characteristics and installation

The speaker mounting bracket for the rear left side of the vehicle has been prepared with service centers, car audio workshops, and DIY users in mind. Its design allows for:

• restoring the factory speaker mounting point after the original element has been damaged,
• reducing vibrations and rattling resulting from improper speaker seating,
• maintaining the correct position of the diaphragm relative to the upholstery opening,
• maintaining consistent assembly with other trim elements.

Thanks to its fitment for a specific side and body zone, the installation process is orderly – the bracket works with factory holes and clips, which facilitates the work and shortens the time required to reassemble the door panel.

Condition of the element and service application

The offered bracket is a used part, making it an attractive solution for those looking for an economical, yet structurally compliant part for their Mercedes. Such components are often chosen for post-accident repairs, replacing damaged mounts after upholstery removal, or restoring full functionality to the sound system.

In practice, the bracket will prove useful both in a professional service center and in DIY audio upgrade projects, where maintaining a correct, stable speaker installation in the rear left part of the vehicle is key.

Expansion of the mounting zone and technical knowledge

If you are planning a comprehensive repair or upgrade of the side zone and interior trim in your Mercedes and need other elements from the same group, such as covers, decorative strips, or decorative upholstery panels, check out the available parts in the Mercedes Linings, decorative strips, and trims category.

For those who want to better prepare for purchasing components from the secondary market and avoid common mistakes when selecting elements for interior or audio system modifications, the article Buying used car parts • Most common mistakes when choosing tuning parts, which discusses the practical aspects of selecting used parts, may be helpful.