Mercedes Benz ML Class W163 Rear Panel Window Wiper Motor Tailgate A1638203142

Description

Mercedes Benz ML Class W163 Rear Panel Window Wiper Motor Tailgate is an original component from the Wiper motors and linkages group, designed for operation on the vehicle’s rear window. It provides a stable drive for the wiper arm, which translates into safe visibility in difficult weather conditions. This is a solution for users who expect a proven design tailored to the specifics of the Mercedes W163 series models.

Specifications and technical data

• SKU: A1638203142
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1638203142
• Substitutable numbers: A1638203142, A 163 820 31 42, BG
• Location on the vehicle: Rear
• Category: Wiper Linkages, Transmissions & Motors

Purpose and function in the vehicle

The presented motor is responsible for driving the rear window wiper, operating in the rear body section. Its rear mounting position allows for precise control of the wiper arm movement, which is crucial during heavy rain or snowfall.

Thanks to its dedicated fit for the Mercedes W163 design, the component works with the factory wiper mechanism, maintaining the correct operating geometry and range of motion. The appropriate torque characteristics enable smooth wiper blade operation without jerking or excessive vibrations.

Benefits of using an original motor

Using an original rear wiper motor in a Mercedes W163 allows you to maintain the consistency of the wiping system with the manufacturer’s factory specifications. In practice, this means:

• proper cooperation with the vehicle’s electrical system,
• appropriately selected wiper speed and duty cycle,
• stable operation under typical operating conditions,
• maintaining the correct working angle of the arm on the rear window.

The element from the Wiper motors and linkages category is important for driving comfort in the rain, as it directly affects the quality of window cleaning and the clarity of the image in the rearview mirror.

Assembly and operational characteristics

The motor has been designed to work in the rear body zone, where it is exposed to variable temperatures and moisture. The design intended for the Mercedes W163 allows for installation in place of the factory element, without the need for interference with the basic mounting system or the vehicle’s electrical installation.

As a used part, the component is a good choice for users looking for a solution with a favorable cost-to-functionality ratio, while maintaining the original vehicle specification. Proper fitment to the model reduces the risk of compatibility issues that often arise when using aftermarket parts with a universal design.

Application in the Mercedes wiper system

The motor works as a key drive element in the rear wiper system, cooperating with the wiper arm and blade as well as the controls from the driver’s cabin. It is responsible for executing the cyclical movement across the window, which is significant both in city driving and on the road, especially in conditions of limited visibility.

Choosing an original solution dedicated to the Mercedes W163 allows you to maintain the consistent operation of the entire wiper system, which is essential for the safety and comfort of using the vehicle in the long term.

If you are planning a comprehensive repair or upgrade of the area responsible for window wiping 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.

Additional materials and technical knowledge

When planning service work on drive systems and motors in vehicles, it is worth knowing the typical weak points of individual models. You can expand your knowledge on the operation of drive units with an article dedicated to problematic engines in a popular model of the Bavarian brand – you can find it here: Faulty BMW E90 engines: check what can ruin your budget. Although it concerns a different manufacturer, it shows a practical approach to analyzing faults and planning repair costs.