Mercedes W166 Rear Door Tweeter Speaker Cover Trim Grille Right O/S A1667370888

The Rear Right Door Tweeter Grille for Mercedes W166 is an original interior trim element designed for installation on the rear passenger side. This part, from the Door Upholstery group, allows for an aesthetic and technically correct covering of the tweeter, restoring the factory appearance and stylistic consistency of your Mercedes' interior.

Specifications and technical data

• SKU: A1667370888-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1667370888
• Substitutable numbers: A1667370888, A 166 737 08 88
• Location on the vehicle: Rear, Right
• Part type: Speaker Cover
• Category: Trim

Purpose and Fit for Mercedes W166

The grille in question has been specifically designed for the rear right side of the body in W166 series models. This ensures a proper fit with the door upholstery shape, correct placement of mounting clips, and compatibility with the factory tweeter mounting location. As a result, this element integrates seamlessly with other door components, without the need for modifications or forced adjustments.

Technical Function and Role in Acoustics

The tweeter grille serves not only an aesthetic purpose but also a technical one. It is responsible for:

• protecting the tweeter from mechanical damage and dirt,
• stably holding the tweeter in the position intended by the manufacturer,
• maintaining the correct direction of high-frequency propagation within the cabin,
• ensuring a cohesive connection between the speaker and the door upholstery, without unwanted gaps. This allows the audio system in your Mercedes to operate under conditions close to factory settings, while the interior maintains an orderly and harmonious appearance.

Element Characteristics and Installation

As a part of the Door Upholstery group, the grille is structurally adapted for use in the rear cabin area, on the right side of the vehicle. The mounting system and edge geometry are designed to fit the factory door panel, which facilitates installation and reduces the risk of looseness or unwanted vibrations. The item is used, meaning it comes from a dismantled vehicle, but it can still fulfill its function as a replacement for a damaged or missing cover.

Application in Repairs and Interior Restoration

The rear right door tweeter grille is particularly useful in situations where:

• the original cover has been mechanically damaged (cracks, broken clips),
• it is missing after previous upholstery or audio repairs,
• you want to restore a consistent interior look after speaker replacement,
• you are undertaking a phased renovation of the rear cabin area in a Mercedes W166. Using an original element from the same model series helps maintain visual consistency with other door components and avoids problems typical of aftermarket replacements with different profiles or colors. 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 panels, inserts, or additional covers, check the available parts in the Mercedes Door Upholstery category.

Expert Support in Selecting Used Body Parts

When selecting used interior trim elements, it is beneficial to understand the specifics of dismantled parts and the differences between various equipment variants. If you want to better understand how to effectively use used body and trim components for brands like Mercedes, the article Replacing Body Parts with Used Ones – Can Dismantled Sheet Metal Parts Look Like New? may be helpful.