Smart Fortwo C453 Window Tailgate Rear Wiper Motor Drive Unit A4538207100

Smart Fortwo C453 Window Tailgate Rear Wiper Motor Drive Unit is an original Smart component designed to power the rear wiper in the Fortwo C453 generation model. Thanks to its factory-spec design, it ensures proper wiper arm operation, stable movement across the glass, and effective removal of water and debris from the rear window.

Specifications and technical data

• SKU: A4538207100
• Mark: Smart
• Condition: Used
• OEM Part Number: A4538207100
• Substitutable numbers: A4538207100, A 453 820 71 00
• Location on the vehicle: Rear
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The rear wiper motor is responsible for driving the wiper mechanism on the rear window, which has a direct impact on rear visibility and maneuvering safety, especially when driving in rain, snow, or on dirty roads. This component is mounted in the rear part of the bodywork and works in conjunction with the electrical system and wiper control unit in the Smart Fortwo C453.

As part of the Window Regulators and Motors group, the wiper motor operates under similar conditions to other electric actuators in the body – it requires a stable power supply, correct wiring harness connection, and proper positioning of the wiper arm's rest position.

Benefits of using an original motor

Using an original rear wiper motor in the Smart Fortwo C453 allows you to maintain the factory operating parameters of the system. Key advantages include:

• Full electrical compatibility with the vehicle's wiring – no need for modifications to the harness or connectors.
• Properly selected gear ratio and torque, ensuring smooth wiper movement across the entire sweep area.
• Precise fitment to the tailgate mounting, which facilitates installation and minimizes the risk of play or vibrations.
• Consistency with factory wiper controls, including intermittent operation modes.

As a result, the motor can be used both as a replacement part in the event of a failure and during professional wiper system repairs following mechanical damage or corrosion.

Condition, verification, and OEM selection

The offered rear wiper motor is a secondary market component, which allows for reduced repair costs while maintaining the original Smart design. Before installation, it is recommended to perform a standard verification of the vehicle's electrical system, the condition of the connectors, and the wiper arm mechanism to avoid overloading the drive unit.

Selecting parts for a specific Smart Fortwo C453 version should be based on the OEM number and vehicle data, such as the VIN. A detailed discussion of the principles for selecting used drive components, compatibility check procedures, and economic aspects can be found in the guide Why it is worth buying used gearboxes and engines – facts instead of myths, which describes a practical approach to purchasing used components based on manufacturer markings.

Installation and operational recommendations

When installing the rear wiper motor in the Smart Fortwo C453, it is worth paying attention to several technical issues:

• thorough cleaning of the mounting surface on the tailgate,
• checking the condition of the seals to limit moisture ingress into the drive unit,
• correct positioning of the wiper arm before tightening the mounting nut,
• verifying proper operation through a full cycle after connecting the electrical system.

Installation performed in this manner ensures stable and repeatable wiper operation, which translates into better visibility and comfort during daily vehicle use.

System expansion and other components in this group

If you are planning a comprehensive repair or upgrade of the rear window area in your Smart and need other components from the same group, such as additional actuators, control modules, or related mechanisms, check out the available parts in the Smart Window Regulators and Motors category.