Mercedes W211 W219 Headlight Module Xenon Unit 5DV008290

Mercedes W211 W219 Headlight Module Xenon Unit is a specialized module from the Front lights group, responsible for stable power supply and the correct operation of xenon headlights in Mercedes vehicles. Using a pre-owned component of this type allows for restoring the full functionality of the lighting system without the need for a costly replacement of the entire headlight, while maintaining the factory lighting characteristics.

Specifications and technical data

• SKU: A0028202326
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0028202326
• Substitutable numbers: A0028202326, A 002 820 23 26, 5DV008290, 5DV 008 290, 5DV00829000, 5DV 008 290-00, 5DV-008-290-00
• Category: Headlight Assemblies

Purpose and function of the ballast

The xenon ballast in Mercedes W211 and W219 models is responsible for converting the electrical system voltage into the parameters required by the xenon burner. A properly selected module ensures:

• stable ignition of the xenon lamp under various operating conditions,
• maintenance of the appropriate light output of the headlight,
• reduction of flickering and errors in the lighting system,
• compatibility with the factory electronics of the Mercedes vehicle.

Thanks to the use of the correct ballast, the Front lights system maintains parameters close to factory specifications, which translates into comfort and safety when driving at night.

Benefits of using an original ballast

Selecting a ballast dedicated to specific Mercedes generations allows you to avoid problems typical of low-quality replacements. The use of this module provides, among other things:

• compatibility with the vehicle's electrical system and control units,
• proper cooperation with xenon headlights without the need for modifications,
• preservation of factory geometry and light beam distribution,
• reduction of the risk of error messages appearing on the instrument cluster.

A pre-owned component allows for an economical repair of the lighting system while maintaining the original operating characteristics of the headlights.

Condition and installation aspects

The offered ballast is in a pre-owned condition, which in practice means it comes from disassembly and is intended for re-installation in a vehicle. This type of module, when properly selected for the equipment version, enables:

• direct replacement of a damaged ballast in the headlight,
• reduction of vehicle downtime during repair,
• preservation of the original wiring harness and connectors.

Before installation, it is recommended to verify compatibility with the specific car configuration and check the headlight's electrical system to ensure stable and safe operation of the xenon system.

Application in the Mercedes Front lights system

The xenon ballast in W211 and W219 models is a key element of the front lighting system, affecting visibility quality and the correct operation of the headlights. In the case of symptoms such as difficulty with lamp ignition, the light turning off after a few seconds, or error messages, replacing the module is one of the basic diagnostic and repair steps.

If you are planning a comprehensive repair or upgrade of the front lighting area in your Mercedes and need other components from the same group, such as headlights, control modules, or height adjustment elements, check the available parts in the Mercedes Front lights category.

Technical support and knowledge about pre-owned parts

When selecting pre-owned lighting components, it is worth using the experience of specialized suppliers and proven sources of knowledge. A good practice is to familiarize yourself with materials describing the impact of original modules on maintaining the character and functionality of a premium vehicle – for example, the article Audi and emotions in their purest form. How do pre-owned parts help maintain the brand's DNA? shows how the proper selection of electronic components and equipment affects the preservation of the car's factory properties.

By applying a similar approach when selecting a xenon ballast for a Mercedes, you increase the chance of trouble-free operation of the lighting system and the consistency of all components within the front part of the vehicle.