Mercedes-Benz Vito W639 Center Hazard Wiper ASR Locking Control Switch Panel

Mercedes-Benz Vito W639 Center Hazard Wiper ASR Locking Control Switch Panel is a factory-original component from the Switches, control elements and ignition locks category, designed to operate the hazard light function in Mercedes vehicles. Finished in a universal black color, it ensures a cohesive look with the dashboard and provides reliable, tactile control over the lighting system. This is a practical solution for users who need a proven, used component with maintained functionality.

Specifications and technical data

• SKU: A6395455207
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6395455207
• Substitutable numbers: A6395455207, A 639 545 52 07, BG
• Color: Black
• Category: Switches & Controls

Purpose and function in the vehicle

The hazard light switch in the Mercedes Vito W639 is responsible for the quick activation of the warning signal, which is crucial in emergency and parking situations. Located in the center of the cockpit, it allows the driver to intuitively and instantly turn on the lights, improving vehicle visibility on the road and increasing safety for other road users.

As a part of the Switches, control elements and ignition locks group, this component works with the vehicle's electrical system, transmitting signals to the lighting system without delays or interference. A properly functioning switch is particularly important in commercial vehicles like the Vito, which often operate under intensive conditions.

Design, color, and interior integration

The switch housing is finished in Black, allowing it to harmonize with most factory Mercedes dashboard panels. The dark finish reduces light reflections and improves the readability of the button markings, which is important when driving at night or in difficult weather conditions.

The button geometry is designed to allow for comfortable use with a single hand movement, without the need to take your eyes off the road for longer than necessary. Stable mounting and a perfect fit for the factory slot in the Vito W639 facilitate installation and ensure an aesthetic integration into the control panel.

Benefits of using an original Mercedes component

Using an original Mercedes hazard light switch allows you to maintain compatibility with the factory electrical installation and lighting system operating parameters. The correct contact characteristics and connector fit minimize the risk of overheating, sparking, or unstable hazard light operation.

A used OEM component is a sensible choice for users who want to balance cost control with factory-level quality and compatibility. In many cases, this helps avoid problems typical of cheaper replacements, such as loose fitment, imprecise button travel, or shorter service life.

If you want to better understand when a used original part is a better choice than a replacement, this guide may be helpful: 5 reasons why a used OEM part is a better choice than a replacement.

Condition, verification, and service application

The offered hazard light switch is a used item, meaning it has been removed from a vehicle but has been verified for basic switching functionality. This type of part works well both for standard repairs after a button failure and for restoring interior completeness after a collision or center panel replacement.

Due to the complexity of control systems in modern vehicles, installation in a workshop with experience in Mercedes Vito W639 models is recommended to ensure proper connection and stable seating of the component in the panel.

Related control elements and technical knowledge

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

During service work, the braking system and exterior lighting are often serviced in parallel, so it is worth knowing the best practices for selecting used safety components. The following article may be helpful: Second-hand braking system: how to safely select discs, calipers, and ABS?, which shows how to responsibly approach the purchase of key used components.