Mercedes-Benz A B Class W169 W245 Headlight Switch Unit Button A1695451704

Mercedes-Benz A/B‑Class W169 W245 Light Switch is an original part from the switches, control elements, and ignition switches category, designed for precise control of cockpit lighting. Its black, understated color scheme facilitates integration with the dashboard, and its factory-made quality ensures proper fit with the vehicle's electrical system.

Specifications and technical data

• SKU: rhd-A1695451704
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1695451704
• Substitutable numbers: A1695451704, A 1695451704, A 169 545 17 04, Mercedes-Benz
• Color: Black
• Category: Switches & Controls

Application and Function in the Control System

This light switch is the central control element for external lighting in Mercedes A-Class W169 and B-Class W245 models. It is responsible for selecting lighting modes, working in conjunction with the factory electrical system and comfort modules. Thanks to its construction compliant with manufacturer standards, the correct operating logic for all lighting functions is maintained.

The component belongs to the switches, control elements, and ignition switches group, meaning it is designed for frequent, daily use by the driver. The ergonomics of the knob and buttons allow for intuitive setting changes without diverting attention from the road.

Construction, Color Scheme, and Visual Fit

The switch housing is made in black, which facilitates aesthetic integration into the dashboard panel typical of Mercedes interiors. The neutral color minimizes the visibility of minor signs of wear and harmonizes well with both dark and lighter cockpit finishes.

The factory geometry of the mounting points and the electrical connector allow for installation in place of the original component without the need for modifications. This ensures the switch maintains a proper fit with the panel, does not cause looseness, or produce unwanted noises during driving.

Benefits of Using an Original Light Switch

Using an original light switch in the Mercedes A/B‑Class W169/W245 offers a number of practical benefits:

• System Compatibility – the component works with the factory wiring harness and vehicle control modules.
• Interior Visual Consistency – black color scheme and shape matched to the original panel.
• Replication of Factory Ergonomics – maintained layout and operating resistance of the knob and buttons.
• Possibility of Using Interchangeable Numbers – facilitates part selection based on Mercedes catalog data.

For owners of cars from the years these A-Class and B-Class generations were produced, such a component is often crucial for restoring full lighting functionality after a failure or wear of the original switch.

Characteristics of a Used Component

The offered light switch is a used part, sourced from disassembly. Before being offered for sale, components of this type are routinely verified for the functionality of their mechanical and electrical components, allowing for their reuse in a vehicle. A used component is a sensible choice for repairs where maintaining original specifications while optimizing costs is important.

Selection and Additional Technical Materials

When selecting a light switch for a specific equipment version, it is recommended to compare the markings with the existing component and vehicle documentation. Both OEM part numbers and available interchangeable numbers are helpful for verifying compatibility with the specific car configuration.

If you are looking for other Mercedes switches, control elements, and ignition switches for your car, check out our dedicated category: Mercedes switches, control elements, and ignition switches.

When working with used safety system components, it is advisable to be aware of best practices for part selection. In the context of brakes and assistance systems, the following guide may be helpful: Second-hand braking systems: how to safely select discs, calipers, and ABS?, which discusses an approach to selecting used components in an organized and safe manner.

If you are modernizing or refreshing an older Mercedes from years similar to the W169/W245, inspiration can be found in the article: Second life for a youngtimer – how used car parts rejuvenate cars from 1998–2012, which describes scenarios for using used components in restoration and daily operation.