Mercedes-Benz Vito Viano W639 Front Right Door O/S Control Module A6398200326

The Mercedes Vito / Viano W639 Front Right Door Control Module is an original part from the Electronic Control Modules and Controllers category, designed for precise management of passenger-side door functions. It ensures consistent operation of the door's electrical system, in line with the factory architecture of Mercedes-Benz systems, facilitating professional diagnostics and service.

Specifications and technical data

• SKU: rhd-A6398200326
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6398200326
• Substitutable numbers: A6399003201, A 639 900 32 01, A6398200326, A 639 820 03 26, A6398201726, A 639 820 17 26, A6399003000, A 639 900 30 00, BG
• Location on the vehicle: Front, Right
• Category: ECUs & Computer Modules

Application and Function in Mercedes Vito / Viano W639

This front right door control module is intended for installation in Mercedes Vito and Mercedes Viano models of the W639 generation. It is responsible for managing the electrical functions in the front right door, in accordance with the logic of the comfort and safety systems used in this model.

Its placement on the vehicle is the front right side, which allows for unambiguous identification of the part when selecting components and planning door wiring repairs.

Benefits of Using an Original Control Module

Using an original door control module in the Mercedes Vito / Viano W639 allows for consistency with the vehicle's factory electronics. This ensures:

• compatibility with the vehicle's communication bus,
• the controller works with other modules without requiring installation modifications,
• computer diagnostics proceed according to manufacturer procedures,
• the risk of errors due to the use of unsuitable replacements is reduced.

Additionally, the presence of dedicated interchangeable part numbers facilitates matching the module to the specific vehicle equipment configuration, which is important when working with comfort electronics.

Installation and Operational Characteristics

The module is designed for installation in the front right door, in the factory location, using original mounting points and electrical connectors. This design promotes plug-in installation, without the need for interference with the wiring harness or additional modifications.

As a component from the Electronic Control Modules and Controllers category, the controller is designed to operate in an environment with variable conditions (humidity, vibrations, temperature changes) typical for installation in commercial vehicle doors. Proper selection of the module helps to reduce malfunctions of windows, locks, or other functions related to the passenger-side door.

Product Condition and Service Application

This part comes from a used vehicle, making it an attractive solution for workshops and users looking for economical yet original electronics for the Mercedes Vito / Viano W639. Such modules are often used for:

• repairs to door wiring after mechanical damage or flooding,
• resolving communication issues between the doors and the central comfort system,
• restoring full functionality of equipment after replacing wiring harnesses or locks.

Selecting the Right Module and Additional Materials

When selecting a door control module for the Mercedes Vito / Viano W639, it is crucial to compare the OEM part number and available interchangeable numbers with the vehicle's specifications. It is also advisable to verify the placement on the vehicle to avoid confusion between the left and right sides.

If you are looking for other Mercedes Electronic Control Modules and Controllers, please use the dedicated category: Mercedes Electronic Control Modules and Controllers.

For a better understanding of how original electronic modules influence a vehicle's character and the behavior of comfort systems, it is worth reading the article on our blog: How Used Original Modules and Controllers Help Maintain the Factory DNA of the Audi Brand. Although it concerns a different brand, it effectively illustrates the importance of using original electronics in modern cars.

Summary

The Mercedes Vito / Viano W639 Front Right Door Control Module is a practical solution for workshops and users who want to restore proper operation of the passenger-side door electronics while maintaining compliance with the vehicle's factory architecture. Proper selection of this component, considering the part number and placement, allows for efficient system repair and stable operation of comfort systems in daily use.