Door Lock Switch Mercedes W213 W907 Locking Button Front Right O/S A2139059703

The Mercedes W213 / W907 Door Lock Switch, Front Right Locking Button is an original part from the Switches, Controls, and Ignition Switches category, designed for installation on the right side of the vehicle for cars with the steering wheel on the right. It provides precise control of the central locking system from the door panel, maintaining the factory ergonomics and visual consistency of the Mercedes interior.

Specifications and technical data

• SKU: rhd-A2139059703
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2139059703
• Substitutable numbers: A2139059703, A 213 905 97 03, KD
• Location on the vehicle: Front, Right
• Category: Switches & Controls

Function and Application of the Door Lock Switch

This door lock switch is responsible for controlling the locking and unlocking of the doors from the front right door panel. It is integrated with the vehicle's electrical system, working with the comfort module and central locking system, allowing for quick and convenient cabin security with a single finger movement.

Thanks to its dedicated design for a specific installation position in the body, the switch maintains the correct orientation, button travel, and pictogram readability, which translates to intuitive operation in daily use.

Construction and Fit for Mercedes Interior

The switch is designed as a factory control element for Mercedes W213 and W907 models, ensuring full compatibility with the original door panel. Its construction is based on a precise electrical contact mechanism, optimized for multiple, repetitive presses under daily operating conditions.

The switch housing is adapted to the factory mounting socket, allowing for stable installation in the door trim without looseness or unwanted vibrations. The materials used are selected for their resistance to interior temperature changes and typical mechanical loads resulting from frequent use.

Installation and Technical Aspects

The front right door lock switch is intended for installation in the factory mounting location, allowing for the preservation of the original wiring harnesses. This enables the replacement process to proceed in an organized manner, without the need for installation modifications or the use of additional adapters.

• Dedicated placement on the front right side of the vehicle.
• Integration with the existing central locking system and comfort module.
• Replication of the factory operation of the door locking button.

This solution helps maintain the consistent operation of all door locking functions and facilitates the diagnosis of potential faults in the lock control system.

Characteristics of a Used Part

The offered switch is a used part, sourced from disassembly, which represents a cost-effective alternative to new components while maintaining the original manufacturer's specifications. A used control element of this type allows for economical repair of the door lock system, especially in cases of mechanical damage to the button or wear of the contacts in the currently installed switch.

Related Mercedes Switches and Controls

If you are upgrading your door panel or completing other factory control buttons for your Mercedes, it is worth considering other elements from the same functional group – including additional locking buttons, window controls, or mirror controls – to maintain the consistency of operation and appearance of the entire door module. Check available parts in the category Mercedes Switches, Controls, and Ignition Switches.

System Safety and Used Parts Selection

A functional door lock switch is important for the comfort and safety of daily driving, as it allows for quick cabin security during stops and in city traffic. When using used parts in other critical vehicle systems, such as brakes, it is important to follow proven selection and technical condition verification procedures – practical tips can be found in the article Second-Hand Braking System: How to Safely Select Discs, Calipers, and ABS?, which discusses best practices for purchasing used components from specialized stores.