Mercedes W447 Wiper Motor Rear Boot Lid Tailgate A4479061900

Mercedes W447 Wiper Motor Rear Boot Lid Tailgate is an original component from the Wiper motors and linkages group, designed for operation in the rear body area. It ensures stable driving of the wiper arm, which translates into safe visibility through the rear window during daily use.

Specifications and technical data

• SKU: A4479061900
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4479061900
• Substitutable numbers: A4479061900, A 447 906 19 00
• Location on the vehicle: Rear
• Category: Wiper Linkages, Transmissions & Motors

Purpose and function in the vehicle

The tailgate wiper motor in Mercedes W447 models is responsible for driving the wiper mechanism on the rear window. Located in the tailgate area, it works with the wiper arm and blade, ensuring smooth, controlled motion in various weather conditions.

Thanks to its dedicated placement at the rear of the vehicle, the component is optimized for horizontal operation, vibration resistance, and typical operational loads characteristic of a tailgate.

Construction and technical characteristics

The tailgate wiper motor in the Mercedes W447 is a precision electric drive designed by the manufacturer for stable operation over a long service life. The construction includes:

• an integrated electric drive adapted for operation in the rear part of the body,
• a gear mechanism providing the appropriate torque for the wiper arm,
• a housing adapted for mounting in the tailgate.

As an element from the Wiper motors and linkages group, the part is designed to work with the vehicle's factory control system, which allows for maintaining the wiper operating modes intended by the manufacturer (e.g., intermittent, continuous operation).

Condition, origin, and service application

The offered tailgate wiper motor is a used component, sourced from the dismantling of a Mercedes vehicle. This type of element is particularly useful in situations where the existing rear wiper drive has worn out, stops in random positions, or has completely stopped responding to cabin controls.

In service practice, this type of motor is used primarily as:

• a replacement for a damaged rear wiper drive,
• an element restoring full functionality of the rear window after a collision or bodywork/paint intervention in the tailgate area,
• a part used during comprehensive maintenance of the vehicle's wiper system.

Using an original motor dedicated to the Mercedes W447 allows for reducing the risk of fitment issues, leaks, or improper mechanism operation.

Benefits of installing an original rear wiper motor

Choosing an original tailgate wiper motor for the Mercedes W447 brings a number of practical benefits:

• Factory fitment – construction prepared for a specific body platform, without the need for modifications to mounts or electrical installation.
• Stable rear wiper operation – proper torque and arm speed, which translates into even window cleaning.
• Consistency with the control system – correct cooperation with factory switches and vehicle electronics.

For the user, this means predictable rear wiper operation, which is important especially when driving in rain, snow, or on dirty roads.

Related elements and part selection

When replacing the rear wiper motor, it is worth paying attention to the condition of the arm, blade, and seals in the tailgate area. In case of doubts regarding the selection of the correct component, it is helpful to use manufacturer markings, such as the OEM part number, interchangeable numbers, or SKU, which allow for precise verification of compatibility with a specific vehicle version.

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

Technical support and selection of used parts

When working with used drive components, it is worth knowing typical operational problems and methods of their diagnosis. Materials describing the failure rate of drive units and the importance of proper part selection according to manufacturer markings can be helpful – a good point of reference is an article about specific engine problems in a popular Bavarian brand model: Faulty BMW E90 engines: check what can ruin your budget!. Although it concerns a different brand and sub-assembly, it shows how important it is to use verified, properly selected elements throughout the vehicle.