Mercedes W221 Headlight Bi-Xenon Headlamp Light Front Right O/S A2218206439

Visual condition of the part

The product shows signs of use visible in the photos.

Headlight ballast, control units, bulbs, modules are not included in the sale.

Mercedes W221 Headlight Bi-Xenon Headlamp Light Front Right O/S is an original component from the Front lights group, designed for installation on the passenger side. It ensures precise light beam guidance, improving visibility and driving safety after dark. This is a solution for users expecting factory-fit quality and stylistic consistency with other body components.

Specifications and technical data

• SKU: RHD-A2218206439
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218206439
• Substitutable numbers: A2218206439, A 221 820 64 39
• Location on the vehicle: Front, Right
• Category: Headlight Assemblies

Purpose and fitment

The presented headlight has been designed specifically for the Mercedes S-Class W221 generation models, intended for the front, right side of the vehicle. This means compatibility with factory mounting points and proper shaping of the lamp housing relative to the fender, bumper, and hood.

Thanks to the bi-xenon design, the headlight supports both low and high beams in a single optic, which translates into consistent light distribution and stable lighting parameters in various road conditions.

Construction and function of the bi-xenon headlight

The bi-xenon headlight uses advanced projector optics, which allow for precise shaping of the light beam. In practice, this means:

• better illumination of the roadside and the center of the road,
• a clear cut-off line, limiting glare for other drivers,
• stable lighting parameters at higher speeds.

The original design for the Mercedes W221 ensures compatibility with factory vehicle systems, such as beam height adjustment or integration with the vehicle's electronics, provided they are present in the specific car model.

Condition and benefits of choosing a used headlight

This item comes from the used original parts segment, which allows for combining factory fitment with a more favorable purchase cost compared to a new component. For many users, this is a reasonable compromise between quality and budget, especially for post-accident repairs or replacing a single headlight.

Using an original headlight from the same model series minimizes the risk of installation problems, leaks, or differences in the lens shade compared to the other lamp. This is important both from the point of view of safety and vehicle aesthetics.

Application in the vehicle's lighting system

The front right bi-xenon headlight plays a key role in the Mercedes W221 lighting system, responsible for:

• illuminating the road in front of the vehicle in low beam mode,
• increasing visibility range in high beam mode,
• maintaining a consistent light line with the left headlight.

Thanks to the design dedicated to a specific model, the lamp works with the body geometry and suspension system, which is important for automatic beam height adjustment in vehicles equipped with such a solution.

Expanding the Mercedes lighting system

If you are planning a comprehensive repair or upgrade of the front lighting zone in your Mercedes and need other components from the same group, such as driver-side lamps, additional lighting modules, or other headlight variants, check the available parts in the Mercedes Front lights category.

For drivers interested in further vehicle personalization, including improving the ergonomics of the driver's seat through the use of sports or luxury steering wheels, you will find useful information in the article Personalization and ergonomics – when is it worth replacing the steering wheel with a premium model?, which discusses, among other things, steering wheels in sports and AMG versions.