Door Lock Mercedes Vito W447 Rear End Trunk Door Right Lock O/S A4477407400

Door Lock Mercedes Vito W447 Rear End Trunk Door Right Lock O/S is an original part from the Locks and latches category, designed for the rear right section of the vehicle body. It is a factory-made Mercedes component, ensuring proper integration with the door mechanism and vehicle wiring, which results in secure closing and reliable locking of the rear door leaf.

Specifications and technical data

• SKU: A4477407400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4477407400
• Substitutable numbers: A4477407400, A 447 740 74 00, A4477400635, A 447 740 06 35
• Location on the vehicle: Rear, Right
• Category: Exterior Locks & Lock Hardware

Purpose and function of the lock

The presented lock is dedicated to the rear right part of the body, where it is responsible for the mechanical locking of the door and integration with the internal and external opening systems. The design, intended for the specific Vito W447 generation, allows for maintaining factory mounting geometry, correct cable travel, and proper positioning of the catches relative to the bodywork.

By using an original solution, compatibility with factory door settings is maintained, which reduces the risk of closing issues, play, or excessive strain on the hinges. This is particularly important in commercial vehicles, where the rear doors are subject to intensive use.

Benefits of using an original lock

Choosing a lock dedicated to the Vito W447 helps maintain the consistency of the locking system throughout the vehicle. A properly selected component:

• ensures stable holding of the door leaf in the closed position,
• reduces the transmission of vibrations and noise to the body,
• facilitates precise adjustment of the door position relative to the seals,
• reduces the risk of leaks in the rear part of the vehicle.

For fleet and delivery vehicles, this translates into more predictable operation and a lower risk of downtime associated with locking mechanism failures.

Installation characteristics

The lock is prepared for installation in the rear right part of the body, in accordance with the factory mounting layout. The appropriate placement of mounting points and the intended compatibility with original cables and handles allow for installation without the need to interfere with the door structure.

When replacing, it is recommended to:

• check the condition of the hinges and adjust the door position after installation,
• verify the operation of internal and external handles after locking,
• verify the correctness of the closing along the entire perimeter of the seal.

This approach allows you to fully utilize the potential of the original lock and restore the proper functionality of the rear cargo area.

Condition and service application

The item comes from the group of used components, making it an attractive service solution for vehicles in intensive use, where a reasonable repair cost is important while maintaining the original design. Compared to replacements, using a factory lock promotes the consistency of the entire door system operation.

Expanding the locking system in Mercedes Vito

If you are planning a comprehensive repair or upgrade of the rear body section in your Mercedes and need other elements from the same group, such as locking mechanisms, cylinders, or additional auxiliary locks, check the available parts in the Mercedes Locks and latches category.

Additional technical support

During service work on the body, replacing mechanical elements is often combined with an inspection of comfort systems. If you want to better plan vehicle maintenance in terms of thermal comfort and component selection, the following guide may be helpful: Air conditioning and heating – parts selection and maintenance for year-round comfort.