Mercedes-Benz C W203 CL203 C209 Headlight Switch Unit Button Black A2035451504

Mercedes-Benz C W203 CL203 C209 Headlight Switch Unit Button Black is an original component from the Switches, control elements and ignition locks group, designed for precise control of interior and exterior vehicle lighting. The black, understated design harmoniously blends into the dashboard of C-Class models, ensuring a consistent look and convenient access to lighting functions.

Specifications and technical data

• SKU: rhd-A2035451504
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2035451504
• Substitutable numbers: A2035451504, A 203 545 15 04, BG
• Color: Black
• Category: Switches & Controls

Application and function in the control system

The offered headlight switch is factory-designed to work with the electrical system of the Mercedes-Benz C-Class W203 generation, as well as the CL203 and C209 body versions. The component is responsible for handling basic lighting modes, integrating control of parking lights, low beams, and other functions provided by the manufacturer for specific equipment levels into a single module.

Thanks to a design compliant with manufacturer standards, the module maintains the correct operating characteristics, and the travel and resistance of the knob are matched to the ergonomics of the Mercedes interior. This solution allows for intuitive lighting operation without taking your eyes off the road, which translates into comfort and safety of use.

Construction, color scheme and interior integration

The switch is made in a black finish that matches the factory dashboard panels in C-Class models. This color scheme facilitates aesthetic integration with other cockpit elements, without the need for additional modifications or visual adjustments.

The housing and buttons are designed for comfortable operation while wearing gloves and during daily use. Clearly perceptible operating positions help avoid accidental changes to light settings, and the clear control layout promotes quick identification of the correct function.

Benefits of using an original switch

Using an original headlight switch in a Mercedes C-Class brings a number of practical benefits:

• maintaining full compatibility with the vehicle's electrical system,
• proper cooperation with factory on-board systems,
• consistent appearance with the dashboard thanks to the matched color scheme,
• ergonomic layout and operation of control elements.

For users who want to restore proper lighting operation after a failure or wear of an old module, such a switch is a practical and technically sound solution, allowing you to avoid problems with fitting universal replacements.

Condition, origin and selection of parts

The component comes from the disassembly of a Mercedes vehicle, which ensures its proper fit for the indicated models. As a used part, it is a good choice for drivers looking for a reasonable compromise between the cost of repair and maintaining the original manufacturer's specifications.

Before purchasing, it is worth comparing the construction and markings with the switch currently installed in the car to confirm compatibility. This ensures that the installation proceeds smoothly and the module can be integrated into the existing system without additional modifications.

Related control elements and further expansion

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 additional buttons, control modules, or ignition locks, check out the available parts in the Mercedes switches, control elements and ignition locks category.

For broader service work, it is also worth taking care of the efficiency of the braking system – our blog guide will help you in choosing used components: Second-hand braking system: how to safely choose discs, calipers and ABS?.