Mercedes Vito W639 Rear Tailgate Bootlid Lock Catch Latch A6397400035

Mercedes Vito W639 Tailgate Latch is an original part from the tailgate group, designed for installation in the rear of the body. It is a practical solution for users who need a reliable tailgate latch that ensures secure closing and safe use of the cargo space.

Specifications and technical data

• SKU: A6397400035
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6397400035
• Substitutable numbers: A6397400035, A 639 740 00 35, EM
• Location on the vehicle: Rear
• Category: Tailgates

Purpose and Function of the Tailgate Latch

The tailgate latch in the Mercedes Vito W639 is responsible for stable latching of the tailgate and maintaining it in the correct position while driving. A properly functioning mechanism translates to:

• secure closing of the cargo space – reducing the risk of accidental tailgate opening,
• reduction of vibrations and noise originating from the rear of the body,
• maintaining the seal of the rear of the vehicle, which contributes to the protection of the transported cargo.

Its placement in the rear zone of the body makes this part crucial for the daily operation of a commercial vehicle, especially one used intensively in transport.

Technical Characteristics and Fitment

The presented latch comes from the Mercedes line, which means it retains the factory mounting geometry and compatibility with the original tailgate construction. Thanks to this:

• it fits the factory mounting points in the rear of the vehicle,
• it works with the standard tailgate opening and closing mechanism,
• it allows for installation without altering the body structure (no need for modifications to holes or brackets).

The presence of the OEM part number and interchangeable numbers in the technical specification allows for precise verification of compatibility with a specific Vito W639 version, which is particularly important when selecting body parts.

Condition, Origin, and Practical Application

The offered tailgate latch is a used part, sourced from dismantling. Such components are often chosen by users looking for:

• an economical solution while maintaining the original construction,
• a part consistent with factory standards for installation and operation,
• a replacement that restores full functionality to the tailgate after mechanical damage or wear and tear.

Replacing the latch is particularly recommended when problems arise with tailgate closing, play in the mechanism, or unstable latching, which can affect driving comfort and safety.

Benefits of Using an Original Tailgate Latch

Choosing a part from the tailgate group dedicated to the Mercedes Vito W639 offers a number of practical advantages:

• factory fit to the body – no issues with closing geometry or tailgate alignment,
• preservation of the mechanism's operation as intended by the manufacturer – proper closing and latching force,
• ability to restore the original trunk functionality without costly modifications,
• consistency with other tailgate components, such as hinges and gas struts.

For commercial vehicles that often operate under heavy loads and with intensively used cargo space, a functional tailgate latch directly impacts the convenience of daily work and the safety of transported goods.

Related Products and Guide Materials

If you are looking for other parts from the tailgate category dedicated to vehicles of this brand, check out the Mercedes tailgates available in our store to complete the set of rear body components.

When planning an upgrade or a more extensive vehicle service using dismantled parts, it is worth reading the guide Tuning with Used Parts – How to Gain Performance Without Losing a Fortune, which discusses a safe and sensible approach to using used components in passenger and commercial vehicles.