Mercedes Vito Viano W639 Steering Column Wiper Stalk Switch A6395450124

The Mercedes Vito Viano W639 Combination Switch for Turn Signals and Wipers is an original steering column control unit, specifically designed for Vito and Viano models of the W639 generation. This used component from the Switches, Control Elements, and Ignition Switches group allows for the restoration of proper turn signal and wiper functionality, ensuring compatibility with the vehicle's factory electrical system.

Specifications and technical data

• SKU: A6395450124-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6395450124
• Substitutable numbers: A6395450124, A639 545 01 24, KZ
• Category: Switches & Controls

Purpose and Function in the Control System

The combination switch is responsible for operating essential functions in the Mercedes Vito and Viano W639, such as turn signaling and wiper operation. Mounted on the steering column, it works in conjunction with the factory electrical module, ensuring full compatibility with the vehicle's wiring and the logic of the onboard systems. Thanks to its construction that adheres to Mercedes manufacturer standards, this component enables precise control of turn signals and wipers without the need for adaptations or wiring modifications. This solution is particularly beneficial for collision repairs, replacing a worn-out switch, or restoring the full functionality of the control system.

Benefits of Using an Original Switch

Using an original combination switch in your Mercedes Vito or Viano W639 ensures:

• preservation of factory ergonomics for the lever controls on the steering wheel,
• proper cooperation with the existing electrical system and control modules,
• consistent operation with other control elements on the steering column,
• reduced risk of communication errors in the vehicle network resulting from incompatible aftermarket parts. By choosing this component, you gain a part specifically tailored to the W639 generation, which simplifies installation and minimizes vehicle downtime.

Product Condition and Service Application

The offered switch is a used part, making it an attractive cost-effective solution while maintaining compliance with Mercedes factory specifications. This type of part is suitable for both professional workshops and independent garages specializing in Vito and Viano models, where quick availability and precise fit for the specific vehicle version are crucial. Thanks to its original construction, the switch can be used as a direct replacement for a damaged component, without requiring modifications to mounting points or wiring. This is a practical solution for steering column control system repairs, especially when restoring full vehicle functionality at a reasonable cost is a priority.

Integration with Other Mercedes Control Elements

The combination switch for turn signals and wipers in the Mercedes Vito Viano W639 works in conjunction with other components from the Switches, Control Elements, and Ignition Switches group, creating a cohesive system for vehicle operation from the steering wheel. The replacement of this element is often performed concurrently with other work on the steering column, such as servicing the ignition switch or other switches. If you are planning a comprehensive repair or upgrade of the control area on your Mercedes' steering column and require other parts from the same group, such as additional switches, control elements, or ignition switch components, check the available parts in the Mercedes Switches, Control Elements, and Ignition Switches category.

Safety and Selection of Used Components

When selecting used control system components, as with brake parts, it is crucial to pay attention to their origin, model compatibility, and technical condition. To better understand how to safely choose used components for critical vehicle systems, it is worth reading the guide: Used Brake System: How to Safely Choose Discs, Calipers, and ABS? If you are considering broader vehicle modifications using aftermarket parts, a practical guide describing an optimal approach to car upgrades may also be helpful: Tuning with Used Parts – How to Gain Performance Without Losing a Fortune.