Mercedes-Benz S W221 Bi-Xenon Headlight Front Right O/S Night View A2218201639

Mercedes-Benz S W221 Bi-Xenon Headlight Front Right O/S Night View is an original component from the Front lights category, designed for installation on the right side of the vehicle's front body. It provides precise road illumination, full integration with the factory lighting system, and compatibility with the advanced Night View system, enhancing comfort and driving safety after dark.

Specifications and technical data

• SKU: rhd-A2218202239
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218202239
• Substitutable numbers: A2218202239, A 221 820 22 39, A2218201639, A 221 820 16 39, 030125268436, 0 301 252 684 36, KZ
• Location on the vehicle: Front, Right
• Category: Headlight Assemblies

Application and vehicle function

The presented bi-xenon headlight is designed for installation on the front right side of the body in Mercedes-Benz S-Class W221 models equipped with the Night View system. It is responsible for generating a powerful, uniform low and high beam light output while working in conjunction with the vehicle's factory electronics.

Bi-xenon technology ensures a stable, bright beam of light with a well-defined cut-off line, which reduces glare for other road users and improves visibility of the roadside. Integration with the Night View system allows for the effective use of the night vision camera and additional features that assist the driver in difficult lighting conditions.

Construction and performance parameters

The headlight is designed as an OEM component, matched to the W221 body lines and factory mounting points. This ensures proper fitment with the fender, bumper, and hood without the need for structural modifications. The housing and lens are adapted for use with the bi-xenon system and for compatibility with factory control modules.

The internal geometry of the reflectors and lens has been optimized for uniform light distribution, which translates into clear illumination of the lane, road signs, and obstacles. The headlight construction is prepared for operation in the demanding environment typical of premium class vehicles – accounting for vibrations, temperature changes, and humidity.

Benefits of using an original bi-xenon headlight

Using an original bi-xenon headlight in a Mercedes-Benz S-Class W221 allows you to maintain factory lighting parameters and full functionality of the Night View system. As a result, the driver receives:

• consistent operation with the vehicle's factory controllers and sensors,
• correct low and high beam light geometry,
• aesthetic fit with the body lines and other lighting elements,
• preservation of the original character of the S-Class W221 vehicle.

The component from the Front lights category is crucial for driving safety, which is why choosing an original bi-xenon headlight is a technically sound and long-term beneficial solution.

Condition, fitment, and installation

The headlight is offered as a used part, which allows for an economical repair of the lighting system while maintaining the manufacturer's original specifications. Before installation, it is recommended to perform a standard verification of the vehicle's electrical system and adjust the light geometry at a diagnostic station to ensure proper road illumination and compliance with regulations.

Thanks to the factory design, installation is carried out using existing mounting points and the vehicle's original wiring connectors. This solution reduces service time and minimizes the risk of compatibility issues.

Further knowledge and part selection

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 front left lamps, turn signals, or headlight control modules, check the available parts in the Mercedes Front lights category.

To better understand why original used lighting components for premium cars are becoming an increasingly popular choice, it is worth reading the article Crisis in the new parts market? Why used originals for premium cars (BMW, Mercedes, Porsche) are the hottest trend in 2026, which discusses the current market situation and the benefits of choosing proven OEM components.