Mercedes-Benz E-Class W211 Front Left Door N/S Lock Latch Mechanism Actuator

Mercedes-Benz E-Class W211 Front Left Door N/S Lock Latch Mechanism Actuator is an original latch mechanism with an actuator, designed for installation in the front left door of this model. This component belongs to the Doors and door panels group and ensures proper locking, unlocking, and integration with the vehicle's factory electrical system. It is a practical solution for users looking for a proven, used component with factory geometry and fitment.

Specifications and technical data

• SKU: rhd-A2117200535
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2117200535
• Substitutable numbers: A2117200535, A 211 720 05 35, BG
• Location on the vehicle: Front, Left
• Category: Doors & Door Skins

Purpose and function in the vehicle

The presented lock mechanism is dedicated to the front left door of the Mercedes-Benz E-Class W211 generation. It is responsible for the mechanical locking of the door leaf and interaction with the central locking system via an integrated actuator. A properly functioning lock guarantees stable door closure, reduces hinge play, and contributes to the acoustic comfort of the cabin.

Its location in the front left door area means the component works with the exterior handle, interior handle, rods, and electrical harness, forming a complete system responsible for opening and closing the driver's side door.

Construction and performance parameters

The lock combines mechanical and electrical parts in a single housing, which facilitates installation and service. The design provided by the vehicle manufacturer ensures:

• factory fitment to the mounting holes in the door shell,
• compatibility with original rods and handles,
• integration with the central locking system and interior controls.

Thanks to the preservation of original geometry and mounting points, installation time is reduced, and the risk of issues with door alignment and closing is minimized.

Condition, origin, and benefits of use

The offered front left door lock is a used part, sourced from the dismantling of a Mercedes vehicle. This type of part allows for an economical repair of the locking system while maintaining factory build quality and compatibility with the W211 body. Compared to low-budget replacements, the original mechanism ensures more stable operation, better fitment, and predictable behavior during long-term use.

Replacing a worn or damaged lock with an original used component is a reasonable compromise between cost and durability, especially for vehicles used daily, where the reliability of opening and closing the driver's door is essential.

Installation and body fitment

The lock is designed for installation in the front left door, which simplifies part selection – it does not require adaptation to other sides of the vehicle. Installation involves:

• removing the door upholstery and disconnecting the existing lock,
• transferring the rods and connecting the electrical connectors,
• bolting the mechanism into the factory mounting points.

By following basic service procedures, the installation can be performed in a standard workshop or by an experienced user, allowing for the quick restoration of full functionality to the driver's door.

Repair expansion 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 panels, reinforcements, or complete doors, check the available parts in the Mercedes Doors and door panels category.

For drivers interested in a broader perspective on the cost-effectiveness of using dismantled components, practical tips on selecting and installing used parts can be found in the article: Volkswagen – solidity and reliability. Why are used VW parts a reasonable choice?