Mercedes Vito W639 Center Hazard ASR Locking Light Control Switch Panel

Mercedes Vito W639 Center Hazard ASR Locking Light Control Switch Panel is an original component from the Switches, control elements and ignition switches category, designed for installation in the center console or dashboard panel. This used module in black allows for maintaining a consistent interior aesthetic and ensures the proper operation of factory control functions in your Mercedes.

Specifications and technical data

• SKU: A6395454407
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6395454407
• Substitutable numbers: A6395454407, A 639 545 44 07, KZ
• Color: Black
• Category: Switches & Controls

Purpose and function in the control system

The dashboard switches in the Vito W639 model are responsible for operating selected vehicle functions from the central panel, providing the driver with quick access to key settings. This element is part of the factory control system, ensuring full integration with the electrical installation and the interior design characteristic of the Mercedes brand.

As a component from the Switches, control elements and ignition switches category, this product is essential for repairs following mechanical damage to the panel, electrical failures, or when replacing worn-out buttons that affect the comfort and safety of vehicle operation.

Visual parameters and interior fitment

The black color of the switch housing allows for an aesthetic match to the factory dashboard of the Vito W639, without the need for modifying other cockpit elements. The neutral, technical design of the panel ensures that after installation, the entire assembly maintains a consistent look, and the switches do not stand out from other interior components.

Original mounts and the shape of the panel facilitate installation in the factory location, which reduces service time and minimizes the risk of looseness, rattles, or improper fitment with adjacent dashboard elements.

Benefits of using an original dashboard switch

Using an original dashboard switch in a Mercedes Vito W639 allows you to maintain:

• factory button layout and operational ergonomics,
• visual consistency of the cockpit thanks to the matched color and shape,
• proper cooperation with the vehicle's electrical system,
• the possibility of direct replacement of the damaged module without modifying the installation.

For workshops and users, this means faster repair completion, lower risk of compatibility issues, and maintaining the manufacturing standard typical of the Mercedes brand.

Professional selection and installation

Before installation, it is worth verifying the compatibility of the switch with the specific equipment version of the Vito W639 so that all functions operated from the panel are correctly recognized by the vehicle's installation. In case of doubts regarding the selection of a used part, comparing the button layout and the shape of the panel with the element currently installed in the car may be helpful.

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

Safety and selection of used electrical components

When choosing used electrical and control components, it is worth paying attention to the condition of the connectors, the absence of signs of overheating, and compatibility with the vehicle's installation. A well-chosen dashboard switch helps avoid problems with communication in the car's electrical network and accidental faults resulting from improper fitment.

If you want to deepen your knowledge on the safe selection of used elements in critical vehicle systems, read the guide on our blog: Second-hand braking system: how to safely choose discs, calipers, and ABS?. Although it concerns a different area of the car, it presents universal principles for assessing the condition and quality of used parts, which are also worth applying when selecting control elements.