Mercedes Vito W639 Rear Door Tailgate Check Brake Strap Left Right A6397600628

Mercedes Vito W639 Rear Door Tailgate Check Brake Strap Left Right is a factory component of the tailgate mechanism, responsible for controlled opening and secure positioning of the trunk door. Thanks to its precise design tailored to the Vito W639 body, the check strap stabilizes the movement of the tailgate, reduces stress on the hinges, and improves daily operational comfort. It is a practical solution for users who want to restore the proper operation of the tailgate in their Mercedes and avoid uncontrolled dropping or excessive swinging of the door.

Specifications and technical data

• SKU: A6397600628
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6397600628
• Substitutable numbers: A6397600628, A 639 760 06 28
• Location on the vehicle: Rear, Right, Left
• Category: Boot & Hatch Lids

Purpose and function in the vehicle

The check strap is designed for installation in the rear part of the body, where it works in conjunction with the tailgate hinges and gas struts. This component is responsible for:

• controlling the opening range of the tailgate,
• damping movement during opening and closing,
• protecting the bodywork from stresses resulting from excessive swinging,
• increasing user safety when accessing the cargo area.

Thanks to its dedicated fit for the Vito W639 construction, the check strap works with the factory mounting points on either the right or left side, which facilitates service and maintains the original geometry of the tailgate operation.

Compatibility and positioning

The presented check strap has been designed for the rear body zone, with the possibility of application on both the right and left sides. Such a solution allows for:

• flexible adjustment to the specific tailgate configuration,
• maintaining consistency in the operation of both sides of the mechanism,
• easier diagnostics and replacement of a single component in case of wear.

The original origin from the Mercedes brand promotes the maintenance of proper operating clearances, appropriate resistance characteristics, and compatibility with other tailgate components.

Performance characteristics of the used component

The check strap comes from the group of used parts, which means it was previously operated in a vehicle but is still suitable for further use after proper installation. Such components are often chosen in situations where:

• maintaining the original manufacturer's specification is important,
• a reasonable cost-to-functionality ratio is important,
• a quick replacement of a worn check strap is needed without interfering with the tailgate structure.

A properly selected and functional tailgate check strap helps reduce the risk of damage to hinges, body panels, and interior cargo space elements, and also improves the daily comfort of using a commercial vehicle.

Benefits of using an original check strap

Using an original check strap in a Mercedes Vito W639 translates into a number of practical benefits:

• Stable tailgate operation – predictable door movement when opening and closing, without jerks or uncontrolled position changes.
• Protection of bodywork and hinges – reduction of mechanical stresses that can lead to deformation or accelerated wear of mounting elements.
• Better loading ergonomics – convenient access to the cargo area, especially important in intensively used commercial vehicles.
• Consistency with factory design – no need for modifications, drilling additional holes, or using adapters.

Expanding the scope of tailgate repairs

If you are planning a comprehensive repair or upgrade of the rear body zone in your Mercedes and need other elements from the same group, such as hinges, gas struts, or tailgate locks, check out the available parts in the Mercedes Tailgates and Rear Doors category.

For users considering a wider use of used parts in fleet or private service, an article discussing the practical aspects of selecting and installing components from the secondary market may be helpful – more information can be found in the material: Volkswagen – solidity and reliability. Why are used VW parts a reasonable choice?.