Mercedes-Benz CLK E Class A208 C208 W208 W210 Headlight Switch Unit Button

Mercedes-Benz CLK E Class A208 C208 W208 W210 Headlight Switch Unit Button is an original component from the Switches, control elements and ignition locks group, designed for precise control of the vehicle's lighting. The black housing blends well with the factory dashboard finish, ensuring a consistent, professional interior look.

Specifications and technical data

• SKU: rhd-A2105450504
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2105450504
• Substitutable numbers: A2105450504, A 210 545 05 04, KZ
• Color: Black
• Category: Switches & Controls

Purpose and function in the control system

This headlight switch is dedicated to Mercedes-Benz CLK and E-Class models of the A208, C208, W208, and W210 generations, where it is responsible for operating the main lighting functions from the dashboard panel. The item belongs to the Switches, control elements and ignition locks group, which means it works with the vehicle's electrical system as an integral component of the control system.

A properly selected headlight switch is crucial for:

• safely switching the exterior lighting on and off,
• maintaining the correct logic of the electrical system,
• preserving the factory ergonomics of operation in the cabin.

Design, color scheme and interior integration

The black color of the switch panel allows for an aesthetic match to the standard interior finishes of these Mercedes-Benz generations. The black color minimizes the visibility of minor dirt and blends well with both dark and lighter upholstery variants, maintaining the consistent character of the cockpit.

The factory design of the switch ensures:

• preservation of the original mounting geometry in the dashboard,
• correct position and travel of buttons and knobs,
• compatibility with the wiring harness intended for these models.

Benefits of using an original switch

Using an original headlight switch in a Mercedes-Benz CLK / E-Class allows you to maintain the factory operating parameters of the lighting system. Proper electrical and mechanical compatibility reduces the risk of installation errors, improper light operation, or warning messages on the instrument cluster.

The main advantages include:

• preservation of the original appearance and operating ergonomics,
• secure fit to factory connectors,
• easier diagnostics in case of potential installation faults.

Condition and use in service and restoration

The item is offered as a used headlight switch, which makes it a practical choice for maintenance repairs, electrical system service, or interior restoration in older Mercedes-Benz generations. This type of part allows for an economical replacement of a damaged module while maintaining compliance with the vehicle's factory specifications.

Before installation, it is recommended to perform a standard verification of the vehicle's electrical system and check the correct operation of all lighting functions after connecting the switch.

If you are planning a comprehensive repair or modernization of the cockpit area in your Mercedes and need other elements from the same group, such as control buttons, lighting control modules, or additional switches, check the available parts in the Mercedes switches, control elements and ignition locks category.

System safety and the selection of used parts

When working with the electrical system and control elements, it is worth paying attention to the general condition of the harnesses, connectors, and cooperating modules. For components responsible for driving safety – such as the braking system – the selection of used parts requires special caution. To organize the verification process, it is worth using the practical tips included in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?, which presents an approach based on checklists and informed selection of parts from the secondary market.