Mercedes V251 W251 Rear Door Lock Latch Mechanism Left N/S A2517301535

Mercedes V251 W251 Rear Door Lock Latch Mechanism Left N/S is an original component from the Interior locks and latches group, designed for installation in the rear left section of the vehicle body. It ensures proper door latching operation, stable closing, and secure locking of the door panel in Mercedes vehicles.

Specifications and technical data

• SKU: A2517301535
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2517301535
• Substitutable numbers: A2517301535, A 251 730 15 35
• Location on the vehicle: Rear, Left
• Part type: Door Lock Knob
• Category: Interior Locks & Lock Hardware

Purpose and function of the mechanism

The presented mechanism is responsible for locking and unlocking the rear left door, working in conjunction with the internal and external handles and the central locking system. Its placement in the rear left area of the vehicle allows for precise fitting to the door structure of the V251 / W251 series body, without the need for modifications or adaptations. The component has been designed as part of the passive safety system, therefore its proper operation affects:

• stable retention of the door in the closed position while driving,
• secure locking upon central locking activation,
• proper cooperation with factory cables and guides.

Construction and fitment for Mercedes V251 / W251

The lock mechanism has been constructed specifically for the geometry of the rear left door in Mercedes models from the V251 / W251 family, which translates into factory-standard fitment with the door skin and correct positioning relative to the body pillar. The arrangement of mounting points and sockets interacting with cables and handles is consistent with the solutions used by the manufacturer. Thanks to this, the installation process is straightforward – after removing the door trim and the old lock, the new mechanism can be seated in the existing points, maintaining the original routing of cables and rods. Such fitment reduces the risk of play, improper closing, or the need for additional adjustments beyond the standard striker setting.

Condition, verification, and service application

The mechanism comes from the used parts category, making it an attractive service solution for users looking for an economical yet original alternative to new components. Such elements are particularly useful for maintenance repairs when the factory lock has suffered mechanical wear, damage during a collision, or issues with door closing have occurred. Using an original lock mechanism in the rear left part of the vehicle allows for maintaining the structural integrity of the locking system, which is important both from the point of view of safety and the daily comfort of using the car.

Benefits of using the original lock mechanism

Choosing this component for the Mercedes V251 / W251 brings a number of practical advantages:

• Compatibility with the factory locking system – maintaining proper cooperation with the central locking and handles.
• Proper fitment to the rear left body zone – no need for mounting modifications.
• Possibility to restore proper door closing after the failure of the old lock.
• Reasonable repair cost thanks to the use of a used part with original specifications. A mechanism configured in this way will work well both for standard replacement of a damaged lock and for broader bodywork and service tasks in the rear part of the vehicle.

Related elements from the Mercedes locks and latches group

If you are planning a comprehensive repair or upgrade of the door zone in your Mercedes and need other elements from the same group, such as additional lock mechanisms, latches, or internal locking modules, check the available parts in the Mercedes interior locks and latches category.

Support in optimizing repair costs

When planning a service budget, it is worth knowing the best practices for using the market of used and replacement parts to keep the car in good condition with rational spending. More on effectively reducing repair costs using original components can be found in the article Repairing your Volkswagen for pennies? Discover how to save on original car parts, the tips of which can largely be applied to other brands as well, including Mercedes.