Mercedes-Benz B W245 Front Left Door Lock Latch Mechanism Actuator A1697204335

Mercedes-Benz B W245 Front Left Door Lock Latch Mechanism Actuator is an original locking mechanism with a built-in actuator, designed for installation in the front left door of this model. Thanks to its factory design, it ensures proper compatibility with the electrical system and central locking, restoring full functionality of opening and closing the driver's door. It is a practical solution for repairs following a collision, lock failure, or issues with the door latching properly.

Specifications and technical data

• SKU: rhd-A1697204335-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1697204335
• Substitutable numbers: A1697204335, A 169 720 43 35, KZ
• Location on the vehicle: Front, Left
• Category: Doors & Door Skins

Purpose and function in the vehicle

The presented lock mechanism is a component from the Doors and door panels group, dedicated to the front left side of the body in the Mercedes-Benz B-Class W245 generation. It is responsible for:

• mechanical locking and unlocking of the driver's door,
• cooperation with the central locking system and remote control,
• proper operation of the exterior and interior door handles,
• maintaining a stable door position while driving.

By being tailored to the specific body model, the lock maintains the correct mounting geometry, which facilitates installation and reduces the risk of improper door operation after replacement.

Mechanism construction and benefits of using OEM parts

The mechanism combines a mechanical part and an electric actuator in one housing, which allows for consistent operation with the factory comfort system. Using the original design ensures:

• compatibility with factory mounting points in the door,
• proper routing of handle rods and cables,
• correct cooperation with the vehicle's electrical system,
• maintenance of the lock's operating parameters as specified by the manufacturer.

Choosing an original lock for the Mercedes B W245 reduces the need for modifications, minimizes the risk of play or door rattles, and allows for maintaining the integrity of the entire door system.

Vehicle placement and installation aspects

The element is intended for installation in the front left door, i.e., on the driver's side. Such specialized placement means that:

• the lock geometry is adapted to the driver's door construction,
• mounting points correspond to the factory holes in the door shell,
• connections to the electrical harness are compatible with the original connector.

When replacing, it is recommended to follow the disassembly sequence of the upholstery, disconnect the electrical harness, and check the condition of the guides and rods to fully utilize the potential of the newly installed mechanism.

Part condition and use in repairs

The offered lock is a used part, which allows for an economical repair of the door system while maintaining the original Mercedes design. This type of component is particularly useful when:

• the factory lock has suffered mechanical damage (e.g., after a collision or break-in),
• there are issues with the central locking on the driver's side,
• the door does not lock or open properly with the remote control.

Using an original, used lock allows for restoring proper door operation without the need to invest in more expensive solutions, while simultaneously maintaining the vehicle's factory specifications.

Expanding repairs within the Mercedes door area

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 panels, reinforcements, or door frames, check the available parts in the Mercedes Doors and door panels category.

If you are interested in a broader approach to car modernization using proven second-hand elements – including seats, steering wheels, or multimedia systems – you will find practical tips on selection and installation in the article Premium interior for half the price: second-hand seats, steering wheels, and multimedia.