Description
The Mercedes W207 Speaker Grille Triangle Left is an original door trim element, designed for installation on the left side of the body. This precisely fitted grille provides an aesthetic and functional finish for the speaker mounting location, ensuring a cohesive interior appearance and stable mounting of the audio component. Thanks to its original design, it integrates with the door line, facilitating the preservation of the cabin’s factory character.
Specifications and technical data
- SKU: A2077200311
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2077200311
- Substitutable numbers: A2077200311, A 207 720 03 11
- Location on the vehicle: Left
- Category: Doors & Door Skins
Purpose and Function of the Speaker Grille
The triangle-shaped speaker grille is an element from the Doors and Door Sheet Metal group, responsible for aesthetically closing the space near the mirror and protecting the tweeter or audio system. Mounted on the left side of the vehicle, it stabilizes the speaker’s position relative to the upholstery and door panel, reducing unwanted vibrations and improving sound reception.
Using a dedicated grille allows for maintaining:
- a cohesive look of the door panel on the driver or passenger side,
- proper acoustic wave guidance from the speaker,
- protection of the audio component from accidental impacts from the interior side.
Compatibility with Mercedes W207 Body
The grille has been designed specifically for the W207 series, ensuring a perfect fit with the door geometry and factory mounting points. The triangular profile matches the shape of the window frame and pillar, so no unsightly gaps are created after installation, and the line of the contours remains consistent with the rest of the trim.
The element is intended for installation on the left side of the vehicle, which is important both in terms of shape and the arrangement of fasteners. In practice, this allows for the hassle-free replacement of a damaged grille with a part of identical geometry, without the need for upholstery modifications or door adjustments.
Characteristics of an Original Mercedes Part
As a Mercedes product, the speaker grille has been manufactured according to the vehicle manufacturer’s requirements regarding fit, rigidity, and resistance to typical operational loads. The appropriately selected material ensures dimensional stability in varying temperatures, which is important in the door area exposed to frequent opening and closing.
The original design facilitates installation – the mounting points are consistent with the factory ones, and the shape of the edges works with other door trim elements. This minimizes the time required to replace the grille and reduces the risk of creaks or looseness after installation.
Condition and Application in Service and Retrofits
The speaker grille is offered as a used part, making it a practical choice for vehicle servicing, collision repairs, or restoring the original audio equipment. It is suitable for both standard replacement of a damaged element and for installing original speakers in place of missing or faulty ones.
In workshops specializing in the Mercedes brand, this element is often used for:
- door repairs after collisions,
- completing missing trim elements,
- restoring the original interior appearance after audio modifications.
If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other parts from the same group, such as panels, reinforcements, or additional trim pieces, check the available parts in the Mercedes Doors and Door Sheet Metal category.
For vehicle owners considering broader modifications to equipment and performance, practical guides on selecting and installing tuning components may also be useful – for example, such as a used Mini John Cooper Works Pro sports exhaust, which discusses compatibility, legality, and installation without modifications.





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