Mercedes-Benz A-Class W169 Front Right O/S Door Lock Latch Mechanism Actuator

Mercedes-Benz A-Class W169 Front Right O/S Door Lock Latch Mechanism Actuator is an original locking mechanism with a built-in actuator, designed for installation on the passenger side. This component is responsible for precise locking, unlocking, and interaction with the central locking system, ensuring proper door operation and vehicle safety.

Specifications and technical data

• SKU: rhd-A1697204235
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1697204235
• Substitutable numbers: A1697204235, A 169 720 42 35, A1697603234, A 169 760 32 34
• Location on the vehicle: Front, Right
• Category: Doors & Door Skins

Purpose and function in the vehicle

The presented lock is dedicated to the front right door of the Mercedes A-Class W169 generation. As a component from the Doors and door panels group, it is responsible for the mechanical and electrical control of locking, working in conjunction with the handle, linkages, and the central locking system wiring.

The mechanism combines:

• a mechanical part – responsible for physically locking the door leaf to the pillar,
• an electrical part – a solenoid/actuator controlled by the comfort module or remote key,
• an interface with the vehicle's wiring – enabling integration with the factory security system.

Construction and technical characteristics

The lock mechanism was designed by Mercedes for stable operation under daily usage conditions. The construction is based on precisely fitted moving parts, guides, and a gear system working with the electric actuator.

This solution ensures:

• repeatable door locking when closing with the remote or the cabin button,
• proper interaction with door position sensors (open/closed signaling),
• appropriate response to central locking and comfort system commands.

Thanks to the factory design, the lock maintains the correct mounting points and linkage geometry, which facilitates installation and reduces the risk of leaks or improper door closing.

Condition, fitment, and installation

The offered item is in used condition, which allows for an economical replacement of a damaged lock while maintaining the manufacturer's original specifications. Using parts from the same model platform helps maintain factory door fitment and proper interaction with the vehicle's electronics.

During installation, it is worth paying attention to:

• correct routing of the outer and inner handle linkages,
• precise connection of electrical plugs,
• checking the central locking operation after reassembling the door panel.

In most cases, replacing the lock is a plug&play procedure within the same body generation, which reduces service time and limits the need for additional adaptation.

Benefits of using an original door lock

Using an original lock mechanism in the Mercedes A-Class W169 allows you to maintain the consistency of the central locking system, alarm, and comfort functions. The factory construction minimizes the risk of problems with closing, door bouncing, or open door warning errors on the instrument cluster.

The main advantages include:

• maintaining the original operating characteristics of the handles and locking,
• compatibility with the factory electrical installation,
• the ability to restore full door functionality without interfering with the body structure.

Further upgrades within the door area

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

Additional technical support

When selecting used body parts and door mechanisms, it is worth knowing the structural differences between individual factory solutions. Helpful information on assessing the condition of used components, their selection, and their impact on driving comfort can be found in the article Standard vs. sports suspension – differences in construction and is it worth buying used suspension parts?, which covers practical aspects of choosing parts from the secondary market.