Mercedes ML W166 Rear Lamp Side Panel Tail Light Left N/S A1669063301

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes ML W166 Rear Lamp Side Panel Tail Light Left N/S is an original lighting component designed for installation in the rear left section of the vehicle body. This used lamp ensures a factory-perfect fit, maintaining the correct light beam geometry and full compatibility with the vehicle's electrical system. It is a practical solution for post-accident repairs or replacing a damaged lighting module.

Specifications and technical data

• SKU: A1669063301-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1669063301
• Substitutable numbers: A1669063301, A 166 906 33 01
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and vehicle placement

The presented lamp is designed for installation in the rear left section of the body, allowing for the restoration of full lighting functionality in this area of the vehicle. The component belongs to the Rear lights and brake lights group, responsible for signaling braking, position, and ensuring vehicle visibility to other road users.

The placement on the vehicle is factory-defined, ensuring the lamp works with original mounting points and the electrical harness without the need for structural modifications.

Technical and functional characteristics

As a component of the rear lighting group, the lamp operates within the vehicle's signaling system, integrating position and brake light functions in accordance with the model's factory configuration. The design is optimized for:

• correct light distribution along the vehicle axis and to the sides,
• compatibility with the factory lighting control module,
• stable mounting in the bodywork at the manufacturer-designated location.

Its original Mercedes origin helps maintain the stylistic consistency of the rear of the vehicle and minimizes the risk of electrical compatibility issues.

Use in service and repairs

The rear left lamp for the Mercedes ML W166 is particularly useful for:

• post-accident repairs in the rear zone,
• replacing a damaged or leaking lighting module,
• restoring full functionality of the brake and position light system.

Using this original component allows for an economical repair while maintaining the manufacturer's original specifications, which is crucial for both safety and compliance with traffic regulations.

Benefits of using an original rear lamp

Using a factory rear lamp in a Mercedes ML W166 ensures:

• a consistent look for the rear of the vehicle with other lighting elements,
• proper cooperation with the electrical installation and light control systems,
• easier installation thanks to perfectly matched mounting points.

For the user, this means reduced vehicle downtime and a lower risk of operational problems resulting from the use of non-original replacements.

If you are planning a comprehensive repair or upgrade of the rear body section of your Mercedes and need other components from the same group, such as light modules, combination lamps, or additional lighting segments, check out the available parts in the Mercedes rear lights and brake lights category.

For a comparison of technical solutions used in sports versions of other brands and a better understanding of differences in engine, brake, and chassis construction, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how the selection of appropriate components affects the character and safety of a car.