Mercedes W213 Door Lock Latch Mechanism Actuator Rear Right O/S A2220064099

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W213 Door Lock Latch Mechanism Actuator Rear Right O/S is an original component from the Locks and latches category, designed for the rear right side of the vehicle body. It ensures precise operation of the door lock, proper integration with the vehicle's electrical system, and stable closing of the door panel. This solution is dedicated to users who expect factory-fit quality and predictable performance of the locking system.

Specifications and technical data

• SKU: A0997309600-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0997309600
• Substitutable numbers: A0997309600, A 099 730 96 00, A2220064099, A 222 006 40 99, A 099 730 42 00, A0997304200
• Location on the vehicle: Rear, Right
• Category: Exterior Locks & Lock Hardware

Purpose and function of the lock mechanism

The presented mechanism is structurally designed for installation on the rear right door of Mercedes W213 series vehicles. It is responsible for mechanical locking, unlocking, and interaction with the interior and exterior opening systems, as well as the vehicle's central locking system. Thanks to its factory geometry and precisely selected mounting points, the component maintains the correct position relative to the door lock and bodywork, which reduces the risk of play, rattling, or incomplete closing.

The mechanism is part of the passive safety system – a properly functioning lock minimizes the risk of accidental door opening while driving and ensures the door panel is held securely when closed. Proper fitment to the specific side and axle of the vehicle translates into correct operation with handles, linkages, and any actuators.

Construction and fitment for Mercedes W213

The lock mechanism has been designed as a component dedicated to the Mercedes E-Class W213 generation body, taking into account the specific construction of the rear right door pair. It includes an assembly of moving levers, latches, and guides that transfer movement from the handles and central locking system to the locking bolt. The use of an original design ensures:

• proper fitment with the door sheet metal and body pillar,
• correct interaction with factory linkages and handles,
• maintenance of the lock's operating characteristics as intended by the manufacturer.

As a result, installation does not require modifications, custom mounting points, or interference with the door structure, which is particularly important in premium class vehicles where both sealing and interior acoustics are essential.

Condition, origin, and benefits of using a used part

The offered mechanism comes from the original used parts segment, which means it retains the factory design and operating parameters specified by the vehicle manufacturer. Unlike aftermarket replacements with a universal design, the original component ensures predictable performance in the long term and better fitment to the existing door installation.

Choosing a used, original lock mechanism is often a cost-effective solution while maintaining high manufacturing quality. It allows for restoring the full functionality of the locking system without the need to invest in expensive new components, while maintaining consistency with other door elements.

Why it is worth using a dedicated lock mechanism

Using the correct lock mechanism in the rear right area of the body has a direct impact on the comfort of daily vehicle use. A properly selected component:

• eliminates problems with doors not closing or jamming,
• ensures stable operation of the central locking in that area,
• reduces the risk of damage to handles and linkages resulting from excessive operating resistance,
• maintains the force characteristics required to open and close the door as intended by the manufacturer.

For workshops specializing in the Mercedes brand and users who care about technical repair accuracy, choosing a dedicated lock mechanism is a solution that facilitates diagnostics, installation, and subsequent vehicle operation.

Expanding the locking system in your Mercedes

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other elements from the same group, such as bolts, cylinders, or additional control modules, check out the available parts in the Mercedes Locks and latches category.

For drivers considering a wider use of original used parts in drivetrain and transmission systems, the article describing the cost-effectiveness of such solutions may be helpful – more information can be found in the material: Manual transmission failures – why an original used part is sometimes a more sensible choice than regeneration.