Mercedes SLK R172 Windscreen Windshield Front Wiper Motor Drive Unit A1728200442

Mercedes SLK R172 Windscreen Windshield Front Wiper Motor Drive Unit is an original wiper drive designed for operation on the windshield, ensuring stable and predictable performance of the driver's field of vision cleaning system. As a component from the Wiper motors and linkages group, it has been designed for proper integration with the wiper mechanism in the R172 body. This used OEM component is a sensible choice for professional repairs or replacing a worn-out drive in Mercedes vehicles.

Specifications and technical data

• SKU: rhd-A1728200442
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1728200442
• Substitutable numbers: A1728200442, A 172 820 04 42
• Location on the vehicle: Front
• Category: Wiper Linkages, Transmissions & Motors

Purpose and function in the vehicle

The presented wiper drive motor is responsible for transferring torque to the wiper arm mechanism at the front of the vehicle. Its placement in the windshield area allows for direct cooperation with the linkages and arms, which translates into smooth wiper blade movement and effective removal of water and debris from the driver's field of vision.

The element is dedicated to the Mercedes SLK R172 generation design, ensuring it maintains the correct operating geometry, appropriate gear ratios, and a perfect fit for the factory mounting points and the vehicle's electrical system.

Benefits of using an original wiper drive

Using an original wiper drive motor in a Mercedes allows you to maintain the consistency of the entire windshield cleaning system. In practice, this means:

• proper cooperation with the factory linkage and arm mechanism,
• stable operation across the full range of the wiper stroke,
• maintenance of the speed and operating cycles specified by the manufacturer,
• reduced risk of excessive play or incorrect arm parking.

As a result, the wiper system operates predictably, which has a direct impact on driving comfort and safety in the rain or during heavy windshield contamination.

Product characteristics and condition

The offered Mercedes SLK R172 Windscreen Windshield Front Wiper Motor Drive Unit is a used component, which allows for combining a favorable purchase cost with the retention of the original manufacturer's specifications. This type of component is particularly attractive for repairs of intensively used vehicles, where both functionality and service economy are important.

The drive intended for front-of-vehicle installation is structurally prepared for operation in the cowl panel area, where it is exposed to variable weather conditions. Proper alignment with factory mounting points facilitates installation and reduces the time required to replace a damaged component.

OEM number application and part selection

The Mercedes SLK R172 Windscreen Windshield Front Wiper Motor Drive Unit should be selected based on the manufacturer's markings and vehicle data, such as the model and body generation. In practice, identification by OEM number and interchangeable numbers is used, which minimizes the risk of selecting an incorrect drive variant.

For professional service, it is recommended to use selection procedures based on catalog numbers and vehicle data to ensure full compatibility with the existing wiper mechanism and electrical system.

Service expansion and related components

If you are planning a comprehensive repair or upgrade of the windshield area in your Mercedes and need other elements from the same group, such as drives, gears, or wiper linkages, check the available parts in the Mercedes wiper motors and linkages category.

When deciding to use aftermarket components, it is worth knowing the broader economic and technical context. An expert guide discussing facts and myths about used drive components will be helpful – you can find it in the article Why it is worth buying used gearboxes and engines – facts instead of myths, which shows how to consciously choose used parts based on OEM numbers and real technical parameters.