Mercedes W212 Rear Wiper Motor Panel Window Tailgate A2129064402

Mercedes W212 Rear Wiper Motor Panel Window Tailgate is a precision component of the window cleaning system, designed specifically for the rear of the vehicle body. As a component from the Wiper motors and linkages group, it ensures stable operation of the wiper arm, which translates into better visibility and safer maneuvering. Using this pre-owned component allows for an economical yet technically sound repair of the rear wiper system in your Mercedes.

Specifications and technical data

• SKU: A2129064402-OB1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2129064402
• Substitutable numbers: A2129064402, A 212 906 44 02, A2128200342, A 212 820 03 42, EM
• Location on the vehicle: Rear
• Color: Obsidian Black Metallic - 197
• Category: Wiper Linkages, Transmissions & Motors

Purpose and function in the vehicle

The rear wiper motor is responsible for driving the arm operating on the tailgate, keeping the window clean during rain, snow, or road debris. Its placement in the rear section of the body means this component operates in variable weather conditions, which is why its efficiency has a direct impact on driving comfort and safety when reversing and parking.

The presented motor is dedicated to models from the Mercedes W212 family, which means it is structurally matched to factory mounts and compatible with the vehicle's original electrical system. As a result, installation is straightforward, without the need for wiring modifications or interference with the bodywork.

Performance parameters and fitment

The component has been designed to operate in the rear of the vehicle, taking into account the characteristics of the tailgate and the geometry of the window. Properly selected gear ratios and the motor's operating characteristics allow for smooth wiper movement, reducing vibration and noise during operation.

The housing in Obsidian Black Metallic - 197 color facilitates aesthetic integration with the bodywork, especially in vehicles maintained in a similar color tone. This is a beneficial solution for repairs where, in addition to functionality, a consistent look of the tailgate is also important.

Practical application and benefits of installation

Using this rear wiper motor in a Mercedes W212 allows you to:

• restore proper operation of the rear window wiper after a drive failure,
• maintain adequate rear visibility in difficult weather conditions,
• maintain compliance with the factory wiper system design,
• optimize repair costs by using a tested pre-owned part.

A pre-owned component is a reasonable choice for maintenance repairs when it is crucial to combine functionality with control over the service budget.

Integration with the body and aesthetics

The Obsidian Black Metallic - 197 color scheme promotes discreet integration of the component with the tailgate, which is important especially in vehicles where a consistent exterior appearance is maintained. The motor operates in an area exposed to moisture and dirt, so its correct seating and the tightness of the mounting are important both for durability and for protecting the interior of the tailgate.

Expanding the Mercedes wiper system

If you are planning a comprehensive repair or upgrade of the rear window area in your Mercedes and need other elements from the same group, such as drives, levers, or mechanisms working with the wiper arm, check out the available parts in the Mercedes wiper motors and linkages category.

Technical knowledge and operation

When selecting and installing the rear wiper motor, it is worth paying attention to the correct setting of the arm's rest position and the tightness of the tailgate grommet to prevent moisture from entering the interior. Regular inspection of the condition of the wiper arm and blade allows you to fully utilize the drive's capabilities and reduce mechanical loads.

If you are interested in broader issues related to the operation and potential repair costs of power units in premium class cars, the article on our blog may be helpful: BMW E90 faulty engines: check what can ruin your budget!, which shows how a conscious approach to service affects long-term car maintenance costs.