Mercedes S204 Wiper Motor Rear Window Tailgate Actuator A2049068102

Mercedes S204 Wiper Motor Rear Window Tailgate Actuator is an original component from the Wiper motors and linkages group, designed for operation in the rear part of the vehicle body. It enables efficient control of the wiper movement on the tailgate, ensuring clear visibility in difficult weather conditions and stable operation of the wiping system.

Specifications and technical data

• SKU: A2049068102
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049068102
• Substitutable numbers: A2049068102, A 204 906 81 02
• Location on the vehicle: Rear
• Category: Wiper Linkages, Transmissions & Motors

Purpose and function in the vehicle

The presented motor is a component of the system responsible for driving the rear window wiper in the S204 series estate body. It operates in the tailgate area, where it is exposed to changing weather conditions, which is why its proper functioning has a direct impact on driving safety in rain, snow, or slush.

Thanks to its precise fit to the body structure, the rear window wiper system maintains the correct movement geometry of the arm, which reduces vibration, noise, and uneven water clearing. The properly selected torque of the motor allows for smooth operation at both low and high wiping speeds.

Benefits of using an original motor

Using an original component from the Mercedes family translates into:

• a secure fit to the mounting points in the tailgate,
• proper cooperation with the vehicle's electrical system,
• a stable operating range of the wiper throughout the cycle,
• preservation of the factory parameters of the rear window cleaning system.

A used element of this class often allows for a significant reduction in repair costs compared to new replacements, while maintaining factory operating characteristics and compatibility with the vehicle's electronics.

Installation characteristics

The motor is designed for installation in the rear part of the vehicle, within the tailgate area. The design intended for the S204 body allows it to be seated in factory mounting points, which facilitates service work and shortens replacement time. Proper alignment of the drive axis relative to the wiper arm ensures the correct operating angle and minimizes the risk of overloading the mechanism.

During installation, it is recommended to pay attention to:

• the condition of the seals in the tailgate grommet,
• the cleanliness of electrical connectors,
• the correct setting of the wiper arm's rest position.

This approach allows you to fully utilize the potential of the used component and reduce the risk of needing to interfere with the system again in the near future.

Using used components in repairs

Choosing a used wiper motor is a reasonable compromise between cost and functionality, especially for vehicles that are used intensively or have higher mileage. A properly selected element from the secondary market allows you to restore the system's efficiency without the need to invest in new, more expensive components.

If you want to better understand how to safely use second-hand parts, what the real differences are between new and used drive components, and what professional selection based on manufacturer markings looks like, it is worth reading our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths. The procedures and approach to technical condition verification contained therein can largely be applied to other elements as well, including wiper system components.

Expansion and service of the Mercedes wiper system

If you are planning a comprehensive repair or modernization of the rear window visibility zone in your Mercedes and need other elements from the same group, such as additional motors, linkages, or mechanisms working with the arms, check the available parts in the Mercedes wiper motors and linkages category.