Mercedes W245 Rear Door Lock Latch Mechanism Actuator Left N/S A1697302135

Mercedes W245 Rear Door Lock Latch Mechanism Actuator Left N/S is an original component from the Locks and Latches category, designed for the rear left side of the vehicle body. It ensures proper door locking, seamless cooperation with the factory handle mechanism, and stable operation of the opening and closing system in your Mercedes.

Specifications and technical data

• SKU: A1697302135-4
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1697302135
• Substitutable numbers: A1697303135, A 169 730 31 35, A1697302135, A 169 730 21 35
• Location on the vehicle: Rear, Left
• Part type: Door Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function of the door lock

The presented lock is dedicated for installation in the rear left door area, which guarantees a proper fit to the body structure and door guides. The component is responsible for the mechanical locking of the door leaf, cooperation with rods and handles, and correct closing, which directly impacts passenger safety and vehicle comfort.

Thanks to the factory geometry of the housing and mounting points, the lock integrates with the original door panel, seals, and window, minimizing the risk of play, rattling, and leaks. This solution is particularly important during daily vehicle use in various weather conditions.

Construction and fitment for Mercedes

As a component designed for the Mercedes brand, the lock maintains compliance with factory manufacturing and construction standards. The mounting layout, sockets for rods, and the interface with the internal and external handle are designed so that installation is predictable for an experienced mechanic or a service center specializing in this brand.

The placement on the vehicle described as Rear - left allows for clear identification of the mounting position and avoids mistakes when selecting parts. This is especially important in the case of door locks, where differences between the left and right sides and the front and rear of the body are structurally significant.

Condition, origin, and benefits of use

The offered door lock comes from the used parts segment, which allows for economical repair while maintaining the manufacturer's original specifications. This type of component is a good choice when the factory lock has suffered mechanical wear, damage during a collision, or has stopped working correctly with the handle or central locking mechanism.

The main advantages of using an original rear left lock in a Mercedes W245 include:

• maintaining factory fitment to the door structure,
• stable operation of the locking and opening mechanism,
• reducing the risk of closing problems and door play,
• possibility of replacement without interfering with the body structure.

Part identification and compatibility

For proper lock selection, it is crucial to verify the OEM part number and available interchangeable numbers in the technical specification. This allows for confirming compatibility with a specific equipment version and vehicle year, as well as avoiding installation problems resulting from structural differences between variants.

During the purchase process, it is also worth using the SKU designation, which facilitates clear identification of the offered product in the store system and speeds up order processing.

Application in service practice

Replacing the rear left lock in a Mercedes W245 is a typical service operation performed when there are problems with locking, door jamming, or improper cooperation with the opening mechanism. Using an original element from the Locks and Latches group allows for restoring correct door operation without the need to modify the installation or body panel structure.

If you are planning a comprehensive repair or upgrade of the side door area in your Mercedes and need other elements from the same group, such as locking mechanisms, strikers, or blocking elements, check the available parts in the Mercedes Locks and Latches category.

Additional information and vehicle system development

While working on doors and body elements, many users also consider modifications in other areas of the vehicle, such as the exhaust system or components improving engine performance. If you are interested in solutions regarding sports exhausts or used manifolds for premium vehicles, it is worth checking out the guide: Performance exhaust system: used manifolds and sports catalytic converters on the road.