Mercedes-Benz E-Class S211 W211 Front Left Door Lock Latch Mechanism Actuator

Mercedes-Benz E-Class S211 W211 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 W211/S211 generation E-Class models. This used component from the Doors and door panels category ensures factory-fit, proper integration with the electrical system, and stable operation of the central locking system. It is a practical service solution for users who want to restore full door locking and unlocking functionality without interfering with the body structure.

Specifications and technical data

• SKU: rhd-A2117200335
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2117200335
• Substitutable numbers: A2117200335, A 2117200335, A 211 720 03 35, ASZ
• Location on the vehicle: Front, Left
• Category: Doors & Door Skins

Purpose and compatibility for the Mercedes-Benz E-Class

The presented lock mechanism is designed specifically for the front left door of the W211/S211 body, ensuring correct mounting geometry, latch positioning, and compatibility with the factory door handle linkage and lock cylinder. Vehicle placement: front – left side allows for clear identification of the installation zone and reduces the risk of errors when selecting parts.

The original design of the mechanism works with the factory central locking system, remote control, and interior locking, making it easy to maintain full functionality of the comfort system without the need for adaptations or wiring modifications.

Mechanism construction and actuator function

The mechanism combines the mechanical part responsible for locking with the electrical part acting as an actuator in a single housing. This solution:

• ensures consistent operation of the lock with the central body control module,
• enables smooth locking and unlocking of the door via remote or interior cabin button,
• reduces play and unwanted noise during lock operation.

Thanks to the factory design, the mechanism maintains proper rigidity and precision of operation, which translates into secure door closing and correct positioning relative to the body pillar.

Benefits of using an original door lock

Using an original front left door lock in a Mercedes-Benz E-Class W211/S211 provides a number of practical service benefits:

• factory fitment to the door structure and pillar,
• proper cooperation with the existing wiring harness and comfort control module,
• preservation of the original operating characteristics of the exterior and interior door handles,
• reduced installation time due to the predictable mounting layout.

This used component allows for an economical repair of the locking system while maintaining the original build quality characteristic of the Mercedes brand.

Installation zone and service recommendations

The mechanism is intended for installation in the front left door, in the area between the outer skin and the inner frame. When replacing, it is recommended to:

• check the condition of the door handle linkages and guides,
• verify the door alignment relative to the body,
• test the central locking operation after installation, including the response to the remote signal.

This approach allows for restoring the proper operation of the entire locking system on the driver's side in a single service operation and minimizes the risk of needing further intervention.

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other components from the same group, such as skins, reinforcements, or complete door shells, check the available parts in the Mercedes Doors and door panels category.

More on improving cabin comfort

While working on the doors and locking system, it is also worth considering interior upgrades to increase driving comfort and ergonomics. Practical tips on selecting branded seats from dismantling and their impact on vehicle value can be found in the article Interior metamorphosis: how branded seats from dismantling will drastically improve comfort and increase the value of your car.