Mercedes ML W164 Window Lifter Motor Front Left N/S Drive Unit A2518200742

The Mercedes ML W164 Front Left Window Motor is an original part from the window regulators and motors category, designed for the driver's side window. It enables stable, smooth operation of the window lifting and lowering mechanism, ensuring comfortable window operation in daily use. Thanks to its factory-designed fit for Mercedes, installation is predictable and technically sound.

Specifications and technical data

• SKU: A2518200742
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2518200742
• Substitutable numbers: A2518200742, A 251 820 07 42
• Location on the vehicle: Front, Left
• Category: Window Motors & Regulators

Vehicle Application and Placement

The motor is designed for the front left window, i.e., the driver's side. It is responsible for driving the window lifting mechanism, working in conjunction with the factory window regulator in the Mercedes ML W164 generation. This dedicated placement minimizes fitting issues and preserves the original system functionality.

Technical and Functional Characteristics

This component belongs to the window regulators and motors group, meaning it is part of the system responsible for controlling the window's position. The motor's design is prepared to work with the factory electrical system and the original guide mechanism in the driver's door.

In practice, this means:

• maintaining the correct speed for window raising and lowering,
• proper interaction with the door control button,
• stable operation under typical vehicle operating conditions.

Benefits of Using an Original Window Motor

Using an original motor in a Mercedes ML W164 maintains the integrity of the entire window control system. This is particularly important in vehicles equipped with complex door electronics, where matching the motor's operating parameters to the control unit directly impacts reliability.

Key advantages include:

• factory fit for the driver's door – no modifications to mountings or installation required,
• preservation of the manufacturer's intended window operating characteristics,
• reduced risk of comfort control unit errors resulting from an incompatible motor.

Condition and Service Application

This motor comes from secondary circulation, making it an attractive service solution for users looking to restore the functionality of the driver's window at a controlled cost. This type of part is particularly useful for repairs following a window drive failure, mechanism seizure, or electrical damage.

When combined with a properly functioning window regulator, it allows for effective restoration of door functionality without the need for more expensive new components.

Mercedes Window Regulators and Motors – Selection and System Expansion

If you are looking for other Mercedes window regulators and motors for your vehicle, it is worth checking the full offer in this parts group. To do so, use the link: Mercedes window regulators and motors, where you will find additional window drive components for various models of this brand.

Used Electrical Components – Practical Knowledge

When selecting used electrical and drive components for a vehicle – such as window motors, drive units, or gearbox elements – it is advisable to follow proven identification procedures based on manufacturer markings and vehicle configuration. A more detailed discussion of the benefits of using parts from the secondary market, methods for their verification, and their impact on repair costs can be found in the guide: Why Buying Used Gearboxes and Engines is Worth It – Facts Instead of Myths. This text helps to better understand how to properly select used drive and electrical components in workshop practice.