Mercedes W204 Estate Wiper Motor Rear Window Tailgate Actuator A2048202542

Mercedes W204 Estate Wiper Motor Rear Window Tailgate Actuator is an original wiper system component designed for the rear window of the W204 estate. This component from the Wiper motors and linkages category ensures stable operation of the mechanism, improving visibility and safety when driving in rain or snow. Thanks to the factory fit for the estate body style, installation is predictable and technically straightforward.

Specifications and technical data

• SKU: A2048202542
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048202542
• Substitutable numbers: A2048202542, A 204 820 25 42, 53029912, 530 29 912
• Location on the vehicle: Rear
• Category: Wiper Linkages, Transmissions & Motors

Purpose and function in the wiper system

The rear window wiper motor in the Mercedes W204 Estate is responsible for driving the wiper arm on the tailgate. Its task is to generate the appropriate torque and transfer it to the wiper mechanism so that operation is smooth, uniform, and in accordance with the body control module settings.

The location on the vehicle in the rear part of the estate body requires resistance to variable weather conditions and proper cooperation with the vehicle's electrical system. A properly selected motor reduces the risk of the wiper jamming, mechanism overloads, and excessive wear of the arm and blade.

Benefits of using an original rear wiper motor

Using a dedicated rear wiper motor in the Mercedes W204 Estate brings a number of practical operational benefits:

• factory fit to the geometry of the tailgate and wiper mechanism,
• proper cooperation with the electrical system and vehicle controls,
• stable operation within typical wiper speed ranges,
• reduced risk of overloads and mechanism jamming.

For the user, this means more predictable wiper system operation, better rear visibility, and a reduction in the need for frequent service interventions. In the case of an estate body, where the rear window is highly exposed to dirt, a functional wiper motor has a direct impact on driving comfort and safety.

Installation and operational characteristics

The rear wiper motor in the W204 Estate is structurally prepared for operation in the rear part of the vehicle, taking into account the specifics of the tailgate and electrical wiring routing. This makes it possible to maintain the correct resting position of the wiper arm and the correct movement geometry on the glass surface.

When replacing, it is important to follow the correct assembly sequence, including proper connection of the electrical connector and correct positioning of the arm relative to the glass. A used, functional motor allows for an economical repair of the system while maintaining the original wiper operating characteristics.

Application in service practice

This element is particularly useful in situations where the vehicle exhibits symptoms such as the wiper stopping in a random position, no reaction to turning on the rear wiper, or uneven operation on the glass. Replacing the motor is a standard service procedure that allows for restoring full system functionality without interfering with other components.

In vehicles operated in urban and extra-urban conditions, where the rear window is intensively soiled with water, mud, and salt, a functional wiper drive significantly improves the clarity of the image in the rearview mirror. This, in turn, translates into better control over the situation on the road when maneuvering and driving in difficult weather conditions.

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

For owners of other brands who are analyzing typical engine unit failures and want to better plan their service budget, a guide dedicated to problematic units in the E90 series may be helpful – details can be found in the article BMW E90 faulty engines: check what can ruin your budget.