Mercedes W251 Door Lock Latch Mechanism Actuator Front Right O/S A2517200835

Mercedes W251 Door Lock Latch Mechanism Actuator Front Right O/S is a precision locking mechanism designed for installation on the passenger side of the front door. This component is responsible for secure closing, locking, and unlocking of the door, ensuring proper interaction with the door handle and the vehicle's electrical system. Thanks to its design tailored to the W251 body, it serves as a functional service solution for door locking system repairs.

Specifications and technical data

• SKU: RHD-A2517200835
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2517200835
• Substitutable numbers: A2517200835, A 251 720 08 35
• Location on the vehicle: Front, Right
• Category: Doors & Door Skins

Purpose and fitment for the W251 body

The presented lock mechanism has been designed specifically for the Mercedes W251 class model and is installed in the front right door. Proper positioning on the vehicle guarantees correct latch guidance, interaction with linkages, and correct geometry relative to hinges and seals. As a result, the lock maintains stable operation both during manual opening and when controlled by the central locking system.

Construction and function of the mechanism

The mechanism combines a locking part and an actuator responsible for operation within the central locking system. This assembly:

• transfers movement from the external and internal door handles to the lock tongue,
• interacts with the vehicle's electrical system via the built-in actuator,
• ensures stable door locking in several closing positions,
• maintains proper pressure of the door leaf against the body, reducing play and unwanted noises. A unit configured in this way allows for maintaining consistent operation of the entire locking system, which translates into vehicle usage comfort and proper functioning of security features.

Service application and benefits of installation

The Mercedes W251 front right door lock is particularly useful in situations where the existing mechanism shows signs of wear, such as closing problems, lack of response to the central locking, or unstable locking. Replacing the complete assembly allows you to:

• restore proper opening and closing of the passenger side door,
• maintain proper cooperation with the factory central locking system,
• reduce the risk of accidental door opening while driving,
• maintain the consistency of the vehicle's security system operation. As an element from the Doors and door panels group, this lock is an essential component of the entire side body structure, influencing both the convenience of daily use and user safety.

Product characteristics and condition

The offered mechanism comes from a Mercedes vehicle and is a used part, making it an attractive cost-effective alternative to new components. A used door lock is a solution often chosen for maintenance repairs when it is crucial to maintain proper functionality while optimizing the service budget. The construction based on the manufacturer's original design facilitates trouble-free installation in factory mounting points.

Repair expansion and additional materials

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 panels, reinforcements, or additional door accessories, check the available parts in the Mercedes Doors and door panels category. During service work, it is also worth taking care of other vehicle systems. In the case of safety elements, such as brakes, a guide describing the selection of used components may be helpful – you can find it in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?, which presents practical tips also useful when purchasing other used parts in the online store.