Mercedes W166 Dashboard End Left N/S Panel Trim Cover A1666800307

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W166 Dashboard End Left N/S Panel Trim Cover is an original interior component designed for installation on the driver's side. It belongs to the Cladding, decorative strips, and trim group, allowing you to aesthetically complete or restore the factory look of the cockpit. It is a practical solution for post-collision repairs, replacing damaged plastics, or completing missing trim elements.

Specifications and technical data

• SKU: A1666800307
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1666800307
• Substitutable numbers: A1666800307, A 166 680 03 07
• Location on the vehicle: Left
• Category: Trim

Purpose and function of the component

The presented cover is a factory-made trim for the end section of the dashboard in W166 series models, mounted on the left side of the vehicle. The function of this panel is to:

• aesthetically close the side edge of the dashboard,
• protect internal mounts and wiring harnesses from accidental damage,
• maintain the consistent interior design line characteristic of the Mercedes brand.

Thanks to its precise fit for the specific body generation, the panel ensures stable mounting and proper alignment with adjacent cockpit elements.

Construction and fit for Mercedes W166

The left dashboard end panel has been designed as part of the interior trim system in Mercedes SUV vehicles from the W166 family. The component's construction includes:

• dedicated mounting points for factory dashboard clips,
• a profile matched to the shape of the side of the cockpit,
• a surface prepared for conditions typical of a vehicle interior (temperature changes, sunlight exposure).

Such execution facilitates installation and reduces the risk of unwanted play, squeaking, or protruding edges after installation.

Use in interior repairs and restoration

The component is particularly useful in situations where the factory panel has been mechanically damaged, cracked during disassembly, or shows signs of heavy wear. Replacing it with an original panel allows you to:

• restore the consistent appearance of the side of the dashboard,
• complete missing interior sections after bodywork repairs,
• maintain compliance with the factory Mercedes interior specification.

For workshops and service centers specializing in the brand, this is a practical component that enables repairs to be carried out in accordance with the expectations of premium vehicle users.

Condition and benefits of choosing a used part

The panel comes from a group of used parts, which allows you to combine the functionality of an original element with a more favorable purchase cost compared to a new part. In practice, this means:

• maintaining factory fitment to the dashboard,
• the possibility of economical interior repair without compromising on the original specification,
• reducing the need for installation modifications.

For Mercedes W166 users, this is a sensible choice for maintenance repairs, replacing damaged plastics, or completing missing elements after disassembly.

Related Mercedes interior trim elements

If you are planning a comprehensive repair or upgrade of the cockpit area in your Mercedes and need other elements from the same group, such as side panels, decorative strips, or additional covers, check the available parts in the Mercedes Cladding, decorative strips, and trim category.

If you are interested in a broader context regarding the use of original and used components in premium cars, it is worth reading practical tips on selecting and using parts in the article BMW N47 timing chain – typical failure and repair using original BMW parts, which discusses, among other things, the advantages of making informed choices when buying used parts.