Mercedes Citan W415 Rear Door Lock Lower Latch Catch Mechanism A4157400335

The Mercedes Citan W415 Rear Door Lock Mechanism is an original part from the Locks and Latches group, designed for the rear of the vehicle body. It ensures proper door locking operation, stable closing, and secure latching of the cargo or passenger space in your Citan. Thanks to its factory design, the mechanism integrates with the vehicle's existing locking system without requiring modifications.

Specifications and technical data

• SKU: A4157400335
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4157400335
• Substitutable numbers: A4157400335, A 415 740 03 35
• Location on the vehicle: Rear
• Category: Exterior Locks & Lock Hardware

Purpose and Function of the Lock Mechanism

The presented mechanism is responsible for the mechanical locking of the rear doors in the Mercedes Citan W415. The part is installed in the rear of the vehicle and works in conjunction with the door handle, rods, and potentially the central locking system, ensuring:

• secure holding of the door panels in the closed position,
• proper integration with the factory locking system,
• stable closing without excessive play,
• maintaining the seal and rigidity of the rear body section.

Construction and Fit for Mercedes Citan W415

The mechanism has been specifically designed for the Citan W415 platform, resulting in a precise fit to the factory mounting points. The appropriate geometry of the latches and levers allows for correct cooperation with the original rods and the key lock cylinder or insert, if present in the specific vehicle configuration.

This precise fit minimizes the risk of adjustment issues, squeaking, or doors not closing properly after installation. The mechanism is prepared for operation in the rear body area, which is subject to frequent opening and closing, as well as variable operating conditions.

Performance Characteristics and Installation Benefits

Choosing an original lock mechanism for the Citan W415 allows you to maintain consistency with the factory locking system. In practice, this means:

• preserving the door handle and latch operation as intended by the manufacturer,
• reducing the risk of accidental door opening while driving,
• better protection for the transported cargo or the vehicle's interior,
• easier diagnosis of potential future faults.

This part from the Locks and Latches group is particularly important in commercial vehicles where the rear doors are used intensively. A functional mechanism reduces the load on other components of the locking system and helps maintain comfort in daily work with the vehicle.

Condition, Origin, and Ecological Aspect

The offered mechanism is a used part from dismantling, allowing for an economical repair without compromising the original manufacturer's construction. This type of solution aligns with the concept of reusing parts and reducing waste in the automotive industry. To better understand how choosing used components impacts the environment and service costs, it is worth reading the article Circular Economy in Your Garage – How Choosing Used Dismantled Parts Truly Supports Environmental Protection and Your Wallet?.

Complementary Parts from the Locks Group

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