Mercedes Vito W639 Rear Left N/S Sliding Door Lock Mechanism A6397300435

Mercedes Vito W639 Rear Door Lock A6397300435 is an original part from the Doors and Door Panels group, designed for the rear, left side of the body. The used lock ensures a factory fit to the door structure, maintaining the correct mounting geometry and proper cooperation with the opening and closing mechanism. This is a practical solution for users who want to restore full functionality to the rear door without altering the body structure.

Specifications and technical data

• SKU: A6397300435-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6397300435
• Substitutable numbers: A6397300435, A 639 730 04 35
• Location on the vehicle: Rear, Left
• Category: Doors & Door Skins

Intended Use and Vehicle Placement

The presented lock is dedicated to the rear, left side of the vehicle, allowing for precise integration with the factory door mechanism in the Mercedes Vito W639. Its placement in the rear part of the body means it cooperates with the handle, rods, and locking system characteristic of this vehicle area, without the need for mounting modifications.

By maintaining the original design, this part enables proper closing of the door leaf, stable holding of the closed position, and correct interaction with other components of the door system.

Technical and Functional Characteristics

As part of the Doors and Door Panels group, the lock is responsible for mechanically locking the door and transferring motion from the handle and rods to the locking mechanism. The design intended for a specific body model ensures:

• compliance with the factory mounting hole spacing,
• cooperation with original rods and handles,
• stable holding of the door in the closed position,
• proper operation during multiple opening and closing cycles.

The used nature of the part allows for economical repair while maintaining the original assembly specifications, which is particularly important for components responsible for safety and door sealing.

Benefits of Using an Original Lock

Using an original rear left door lock in the Mercedes Vito W639 helps avoid problems typical of aftermarket parts, such as imprecise fit or the need for modifications. The factory design ensures:

• secure locking of the door leaf under various operating conditions,
• maintaining the correct door position relative to the body,
• compatibility with the vehicle's existing mechanical system.

For fleet users and body repair workshops, this is a solution that facilitates keeping the vehicle in a condition compliant with the manufacturer's specifications, while simultaneously reducing repair costs.

Application in Repairs and Upgrades

This part is suitable for both the typical replacement of a damaged lock and for more extensive work related to the regeneration of the rear body area. It can be used in situations where the existing mechanism has become worn, deformed, or no longer cooperates correctly with the handle and rods. Thanks to the preserved original mounting geometry, the replacement process is predictable and can be carried out under standard workshop conditions.

If you are planning a comprehensive repair or upgrade of the rear left door area in your Mercedes and need other parts from the same group, such as panels, reinforcements, or complete door leaves, check the available parts in the Mercedes Doors and Door Panels category.

Additional Information and Technical Support

Before selecting a lock, it is advisable to verify compatibility with the specific vehicle body version and door configuration to ensure proper cooperation with existing system components. For more extensive modifications or personalization work, practical tips on using used components can be helpful – you can find them in the article Best Used Parts for Your Car Tuning, which discusses the advantages of consciously selecting parts from the secondary market.