Mercedes W447 Door Lock Front Left Right N/O/S Latch Catch Striker A4477200104

Mercedes W447 Door Lock Front Left Right N/O/S Latch Catch Striker is an original component from the Locks and latches group, designed for the front doors of Mercedes vehicles. It ensures precise guidance and stable closing of the door panel, which translates into safe, quiet, and predictable operation of the locking mechanism.

Specifications and technical data

• SKU: A4477200104
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4477200104
• Substitutable numbers: A4477200104, A 447 720 01 04
• Location on the vehicle: Front, Left, Right
• Category: Exterior Locks & Lock Hardware

Purpose and function of the component

The presented door lock striker is a component responsible for interacting with the door lock in the front part of the body, on either the left or right side. Its task is to stably maintain the door panel in a closed position, limit play, and ensure repeatable, secure latching during daily vehicle use.

A properly selected door striker minimizes unwanted vibrations, reduces noise while driving, and supports the correct operation of seals, which is important for both acoustic comfort and cabin tightness.

Body application and compatibility

The striker is designed for installation in the front door area, with the possibility of use on the driver's or passenger's side. This configuration facilitates service and allows for flexible use of the component during body repairs, replacement of damaged strikers, or when adjusting door fitment after bodywork.

As a part dedicated to Mercedes vehicles, the striker maintains the correct geometry of the mounts and the shape of the surfaces interacting with the lock, which promotes proper alignment of the door relative to the pillar and sills.

Performance characteristics and advantages

The original door lock striker provides:

• stable guidance of the door panel during closing and opening,
• repeatable, secure locking of the latch during daily use,
• reduction of rattling and play resulting from wear or improper fitment,
• proper cooperation with the factory lock mechanism and hinges.

Thanks to the preservation of the factory design, the component fits well into the existing body system, which facilitates adjustment after installation and allows for precise positioning of the door relative to the bodywork.

Condition and benefits of choosing a used part

The item is offered as a used part, which allows for combining reasonable repair costs with maintaining the manufacturer's original specifications. In practice, this means the ability to restore the proper operation of the lock mechanism without the need to resort to replacements with uncertain parameters.

Choosing an original striker from dismantling is particularly beneficial for post-accident repairs, door fitment adjustments, or replacing worn mounting elements when maintaining factory geometry and compatibility with other body components is a priority.

Service expansion within Mercedes locks and latches

If you are planning a comprehensive repair or upgrade of the door lock area in your Mercedes and need other elements from the same group, such as catches, strikers, or lock mechanisms, check the available parts in the Mercedes Locks and latches category.

More about the advantages of original used parts

If you want to better understand why choosing original used components for vehicles of this brand is cost-effective in terms of durability and operating comfort, it is worth reading the article: Mercedes – comfort, prestige, and durability. Why is it worth choosing original used parts?