Mercedes W204 Headlight Light Switch Control Unit Button A2045453004

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W204 Headlight Light Switch Control Unit Button is a factory-fitted lighting control component designed for installation in the front cabin area. This original headlight control module ensures precise operation of lighting functions while maintaining consistency with the factory ergonomics of the Mercedes-Benz interior. Thanks to its understated black finish, it blends harmoniously with the dashboard and other cockpit elements.

Specifications and technical data

• SKU: A2045453004-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2045453004
• Substitutable numbers: A2045453004, A 204 545 30 04
• Location on the vehicle: Front
• Color: Black
• Category: Switches & Controls

Function and application

The offered switch belongs to the Switches, control elements, and ignition locks category and is responsible for operating the lights from the panel in the front part of the vehicle. The module's design is adapted to the electrical architecture of the Mercedes W204, which allows for the proper operation of the lighting system and communication with other vehicle systems.

The black color of the housing promotes discreet integration with the factory cockpit finish, and the layout of buttons and knobs is designed so that the driver has quick access to the most important lighting functions without taking their attention off the road.

Construction and interior integration

The headlight switch is mounted in the front part of the cabin, in the driver's zone, which ensures convenient access to controlling the vehicle's exterior lighting. The compact design of the module facilitates installation in the original location provided by the manufacturer, and properly selected mounts allow for stable seating in the panel.

The black color scheme of the control panel helps reduce light reflections and improves the readability of markings, which is important when driving at night. The element has been designed as part of the control system, so after proper connection, it maintains consistency with other switches and indicators in the Mercedes.

Performance characteristics and advantages

As a component of the lighting control group, the headlight switch in the Mercedes W204 provides:

• ergonomic arrangement of functions responsible for operating the lights,
• consistent appearance with the factory dashboard finish,
• the ability to maintain the original logic of the lighting system operation.

The used nature of the part allows for an economical restoration of the full functionality of the light panel while maintaining the original Mercedes-Benz manufacturing standard. This is a practical solution in case of damage to the factory switch or problems with operating the lights in the vehicle.

Why choose an original used component

Choosing an original, used headlight switch for a Mercedes allows you to maintain compatibility with the electrical installation and the factory control system. This type of component is designed specifically for a given model, thanks to which it fits the factory mounting hole and works with the wiring harness without the need for modifications.

If you want to better understand the benefits of installing original parts from dismantling in cars of this brand, it is worth checking out the guide on our blog: used parts for Mercedes – original components from dismantling. You will find practical tips there regarding the selection of premium subassemblies on a reasonable budget.

Expanding the control system in a Mercedes

If you are planning a comprehensive repair or upgrade of the control zone in your Mercedes and need other elements from the same group, such as additional switches, control modules, or ignition lock elements, check the available parts in the Switches, control elements, and ignition locks Mercedes category.