Mercedes W164 Rear Door Speaker Left N/S Cover Trim A1647370388

Mercedes W164 Rear Door Speaker Left N/S Cover Trim is an original interior trim component designed for the rear left side of the cabin. Thanks to its factory-fit design, the cover ensures an aesthetic finish for the upholstery and stable speaker mounting, which helps maintain a consistent interior look and proper audio performance. It is a practical solution for users who want to restore the factory door panel or side panel configuration in a professional and OEM-compliant manner.

Specifications and technical data

• SKU: A1647370388
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1647370388
• Substitutable numbers: A1647370388, A 164 737 03 88
• Location on the vehicle: Rear, Left
• Category: Trim

Purpose and function of the speaker cover

The presented cover has been designed specifically for the rear left zone of the W164 series models, where it is responsible for covering the speaker and organizing the upholstery surface. The component belongs to the Cladding, decorative strips, and trims group, meaning it serves both a protective and decorative function, aligning with the interior styling characteristic of the Mercedes brand.

A properly selected speaker cover helps reduce accidental damage to the diaphragm, protects against dirt, and stabilizes airflow around the driver, which helps maintain predictable operating conditions for the audio system.

Construction and fit for the rear left side

The cover is profiled to the specific geometry of the rear left interior section, ensuring precise alignment with other upholstery elements. The design includes appropriate openings and indentations for the speaker as well as factory mounting points, which facilitates installation and removal during service or audio system upgrades.

Such a fit allows for maintaining a uniform stylistic line of the side cabin section, without unsightly gaps or material stress. For the user, this means stable mounting and predictable behavior of the component during vehicle operation.

Characteristics of the used component

The cover comes from dismantling, which in practice means it is an original Mercedes component that was previously used in a vehicle. Such parts are frequently chosen for interior repairs and reconstructions because they retain factory shapes, textures, and mounting methods, while also allowing for cost optimization compared to new parts.

For workshops and individual users, this is a particularly beneficial solution for targeted repairs, replacing a damaged cover after a collision, or restoring the interior to a factory-like state after previous modifications.

Application in service and interior modernization

The rear left speaker cover will work well both for standard replacement of a damaged element and for more extensive work on the audio system, where it is necessary to maintain original mounting points. Thanks to its factory origin, it facilitates maintaining visual consistency with other panels, which is important for vehicle resale as well as for professional bodywork and upholstery repairs.

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

Technical support and additional information

When selecting trim elements, it is worth paying attention to the compatibility of the placement on the vehicle and the body generation to avoid installation issues. In case of doubts regarding compatibility with a specific interior configuration, comparing the shape and mounting method with the currently installed element may be helpful.

If you are also interested in optimizing the costs of other repairs related to vehicle operation, including elements affecting driving comfort, it is worth checking out the guide: Knocking in the suspension? Discover a clever way to restore factory steering precision without spending a fortune at the service center.