Mercedes-Benz ML-Class W163 Rear Right O/S Door Speaker Loudspeaker A1638201802

Mercedes-Benz ML-Class W163 Rear Right O/S Door Speaker Loudspeaker is an original audio component designed for installation in the rear right door of this model. Thanks to its factory-fit design, it ensures consistent sound quality with the other speakers and provides a stable mount. It is a practical solution for users who want to restore the proper operation of their sound system without modifying the vehicle's wiring.

Specifications and technical data

• SKU: A1638201802
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1638201802
• Substitutable numbers: A1638201802, A 163 820 18 02
• Location on the vehicle: Rear, Right
• Category: Trim

Purpose and fitment for Mercedes ML W163

The presented speaker is designed specifically for the rear right side of the vehicle, ensuring a precise fit for the factory mounting location. The appropriate basket geometry, mounting hole spacing, and connector design allow for installation in place of the original part without the need to modify the electrical system or door upholstery.

By maintaining the factory audio concept, the speaker works seamlessly with the stock audio system, preserving tonal balance between the front and rear of the vehicle. This is particularly important for daily driving, where predictable, consistent sound and the absence of unwanted resonances in the doors are essential.

Design characteristics and role in the audio system

The door speaker in the rear right section of the vehicle is responsible for reproducing mid and low frequencies in the rear cabin area. Its placement in the door provides the necessary acoustic volume, which translates into stable, clear sound at typical volume levels. The design is optimized for operation within the factory door panel, which limits the risk of rattling and vibrations resulting from poor fitment.

The original solution used by Mercedes allows for maintaining the consistency of electrical parameters with other components of the audio system. As a result, the radio or factory amplifier is not loaded in a way that deviates from the manufacturer's specifications, which promotes long-term, stable operation of the entire sound system.

Benefits of using an original used speaker

Using an original, used door speaker is a reasonable compromise between cost and maintaining the vehicle's factory properties. The part sourced from dismantling is structurally compatible with the equipment installed on the production line, which minimizes the risk of compatibility issues. In practice, this means:

• no need to modify the wiring harness or use adapters,
• secure fitment to the factory mounting hole in the door,
• preservation of the acoustic characteristics intended by the manufacturer in the rear of the cabin.

For users who want to keep their car in a configuration close to the factory state, choosing this solution is particularly beneficial. It enables the restoration of the audio system's performance without interfering with the interior structure and without the risk of unforeseen acoustic effects.

Mounting zone: rear – right side of the vehicle

The placement of the speaker in the rear right part of the vehicle is significant for both installation and acoustics. The component is prepared to work in a specific door environment, taking into account the direction of sound radiation and the routing of the wiring harness. Proper assignment to the side of the vehicle avoids channel polarity issues and ensures correct soundstage distribution in the cabin.

In practice, correctly matching the speaker to the mounting side facilitates service and subsequent diagnostics of the audio system, and also limits the risk of incorrect connection during upholstery replacement or other work within the door area.

Claddings, decorative strips, and trims – consistency with interior equipment

Although the speaker itself is a technical component, its installation is closely related to the door upholstery and elements from the Claddings, decorative strips, and trims group. A correctly selected component allows for maintaining the original appearance of the door panel, without the need to interfere with grilles or mounting frames. This is important for users who care about interior aesthetics and preserving the original character of the cabin.

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 speaker grilles, decorative strips, or additional trim panels, check the available parts in the Mercedes Claddings, decorative strips, and trims category.

Why it is worth choosing original used components

Choosing original, used equipment components is a way to keep the car in a configuration consistent with the manufacturer's design while reducing costs. In the case of door speakers, this is particularly important because the audio system is designed as a whole – replacing one component with a random substitute can disrupt the sound balance or load the electrical system in an unpredictable way.

If you want to better understand why original used parts are often the most rational choice in terms of safety, durability, and repair economy, it is worth reading the material: OEM quality guarantee and safety – why are used original car parts the best choice for your car?.

Summary

Mercedes-Benz ML-Class W163 Rear Right O/S Door Speaker Loudspeaker is a practical solution for drivers who want to restore the performance of the factory audio system without interfering with the installation or interior design. Proper fitment to the rear right side of the vehicle, compatibility with the factory audio concept, and integration with door trim elements make this a functional choice when repairing or restoring original equipment in a Mercedes ML W163.