Mercedes W176 W204 W207 Left Right N/O/S Door Lock Catch Striker Latch

Mercedes W176 W204 W207 Door Lock Left Right is an original part from the Doors and Door Panels category, designed for use in Mercedes vehicles. This solution is for users who expect reliable operation of the locking mechanism and proper integration with the factory electrical system and central locking system.

Specifications and technical data

• SKU: A2077200104
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2077200104
• Substitutable numbers: A2077200104, A 207 720 01 04, 11000049B
• Location on the vehicle: Right, Left
• Category: Doors & Door Skins

Intended Use and Compatibility

The presented door lock is designed for Mercedes W176, W204, and W207 models, allowing for application in a wide range of compact and mid-class body styles. The component is designed as part of the factory equipment, ensuring full compatibility with the door structure and standard safety solutions.

The placement on the vehicle includes both the right and left sides, making it easy to select the appropriate variant for a specific mounting position. This solution allows for consistent restoration of the locking mechanism's functionality on the driver's or passenger's side, without the need for aftermarket replacements with uncertain fit.

Door Lock Construction and Function

The lock is part of the elements responsible for mechanical door locking and cooperation with the central locking system, as well as external and internal door handles. The manufacturer's design ensures:

• stable bolt guidance in the closed and open positions,
• proper cooperation with rods and handles,
• maintenance of factory clearances and assembly tolerances,
• correct response to signals from the vehicle's electrical system (if the specific unit is equipped with them).

Thanks to this, the lock maintains proper door pressure against the seals, which contributes to acoustic comfort and reduced vibrations during driving.

Benefits of Using an Original Mercedes Door Lock

Using an original door lock in a Mercedes offers a range of practical operational benefits:

• Factory Fitment – the geometry and mounting points correspond to the solutions intended by the body manufacturer, facilitating installation and adjustment.
• Consistent Electronic Integration – the lock works with the vehicle's comfort and safety systems, minimizing the risk of communication errors or central locking malfunctions.
• Stable Locking – proper door closure reduces the risk of accidental opening while driving and enhances the overall sense of body solidity.
• Improved User Ergonomics – a properly functioning mechanism ensures consistent handle resistance and predictable behavior when opening and closing.

Component Condition and Service Application

The offered lock comes from the secondary market, allowing for economical repair of the door system while maintaining the original manufacturer's specifications. This type of part is particularly useful in situations where:

• the original lock has suffered mechanical wear or damage,
• there are problems with door closing or locking,
• the component needs replacement after a collision or bodywork intervention.

Choosing a used, original lock is a beneficial solution for users who want to maintain the factory standard of execution while optimizing repair costs.

Mercedes Doors and Door Panels – Selecting Other Components

If you need other components from the Doors and Door Panels category for your Mercedes, check out our dedicated offer – go to the Mercedes Doors and Door Panels section to select compatible body parts and complete your repair kit.

For drivers interested in a broader perspective on car modernization and the use of used parts, we recommend an article describing the evolution of sports compacts – Legend of the Hot Hatch: Evolution of the VW Golf GTI from Mk1 to Mk8 – Structural Changes and VW Car Parts. This is a valuable addition to your knowledge on how to properly plan vehicle repairs and modifications.