Mercedes W221 Headlight Bi-Xenon Headlamp Light Front Left N/S A2218206339

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 Left N/S is an original front light designed for installation on the front left side. It ensures precise road illumination, a consistent look with the factory body line, and proper operation of the low and high beam system using bi-xenon technology.

Specifications and technical data

• SKU: RHD-A2218206339
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218206339
• Substitutable numbers: A2218206339, A 221 820 63 39
• Location on the vehicle: Front, Left
• Category: Headlight Assemblies

Purpose and fitment for Mercedes W221

The headlight has been designed specifically for the front left side of the W221 S-Class body, ensuring it maintains factory beam geometry and proper fitment with the fender, bumper, and hood. The bi-xenon construction allows for both low and high beam operation in a single module, which translates into uniform, powerful road illumination and clear lighting of the roadside.

Bi-xenon technology and performance parameters

The applied bi-xenon technology provides a bright, focused light beam with stable parameters, improving visibility at night and in difficult weather conditions. The headlight works with the vehicle's factory electrical system, maintaining the functions intended by the manufacturer, such as switching between low and high beams within a single optical assembly. As a result, the driver receives consistent, predictable lighting system performance without the need for installation modifications.

Installation and operational characteristics

The front left headlight is structurally prepared for installation at the factory mounting points in the W221 body, which facilitates service work and reduces replacement time. The used nature of the part allows for an economical repair of the lighting system while maintaining original build quality. The component is intended for integration with the existing headlight leveling system and the vehicle's electrical installation, which helps maintain compliance with homologation requirements.

Benefits of using an original bi-xenon headlight

Using an original bi-xenon headlight in a Mercedes W221 allows you to maintain a consistent look for the front of the vehicle and proper lighting parameters. The main advantages include:

• preservation of factory light beam characteristics and illumination range,
• proper fitment to the body line on the left side,
• compatibility with the factory electrical system and light control,
• the ability to restore full functionality of the front lighting system after a collision or failure.

If you are planning a comprehensive repair or upgrade of the front lighting zone in your Mercedes and need other elements from the same group, such as lenses, light modules, or complete lamps, check out the available parts in the Mercedes front lights category.

For a better understanding of the impact of suspension condition on lighting effectiveness and vehicle stability during night driving, it is worth reading the guide: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers.