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 installation in the rear left door of Mercedes W164 class vehicles. This part from the Linings, decorative strips and trims group allows for the aesthetic covering of the speaker opening, restoring the factory look of the door upholstery and improving the visual consistency of the entire interior.

Specifications and technical data

• SKU: A1647370388-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1647370386
• Substitutable numbers: A1647370386, A 164 737 03 86
• Location on the vehicle: Rear, Left
• Category: Trim

Purpose and function of the component

The described speaker cover is dedicated to installation in the rear left door area of the vehicle, where it acts as a panel masking the speaker opening. It provides:

• a visually consistent finish for the door upholstery,
• protection for the speaker against accidental mechanical damage,
• an orderly interior appearance in line with the Mercedes factory standard.

Thanks to its precise fit for the specific W164 body generation, the component maintains the correct geometry and stable mounting within the door structure.

Construction and fit for Mercedes W164

The cover has been designed as part of the door decorative system, taking into account the shape of the side panel and the position of the speaker. The design provides:

• a profile matched to the lines of the rear left upholstery,
• an arrangement of mounting points consistent with the factory brackets in the door,
• a surface prepared for operation in the immediate vicinity of the speaker.

Such a solution facilitates installation and allows for maintaining the original character of the Mercedes interior, without the need for modifications or fitting universal replacements.

Condition, origin and benefits of using an original part

The element comes from a Mercedes vehicle and is part of the original door trim system. As a part from the decorative group, it allows for:

• replacing a missing or damaged speaker cover after bodywork repairs or audio installation work,
• restoring the consistent look of the door panel after dismantling factory elements,
• maintaining a uniform interior style consistent with the manufacturer's design.

Using an original cover reduces the risk of mismatch, squeaking, or looseness that often occurs when using universal elements.

Application in service and interior modernization

The speaker panel cover in the rear left door will work well both in a professional service center and during DIY replacement of trim elements. It is particularly useful when:

• after dismantling the door upholstery, it is necessary to restore the complete set of covers,
• mechanical damage or cracking of the factory cover has occurred,
• after replacing the speaker, it is necessary to close the opening again in an aesthetic and stable manner.

Thanks to the preservation of factory geometry, the element works well with the existing audio installation and other upholstery components.

Complementary Mercedes trim elements

If you are planning a comprehensive repair or modernization of the door area in your Mercedes and need other elements from the same group, such as covers, overlays, or additional strips, check the available parts in the Mercedes linings, decorative strips and trims category.

For extensive service work or vehicle modernization, it is also worth checking out practical tips regarding the operation and selection of components for this brand – you will find them in the article Reliability under the star sign – how to take care of engine equipment in popular Mercedes-Benz C and E class models?, which helps to better plan work on Mercedes cars.