Mercedes W212 Wiper Motor Windscreen Drive Control Unit 1397220564

The Mercedes W212 Windscreen Wiper Motor with Control Unit is a complete wiper drive solution designed for the windscreen. This component belongs to the Wiper Motors and Linkages category and ensures stable, predictable operation of the mechanism in various weather conditions. A used sub-assembly is a good choice for drivers looking for a technically proven solution at a reasonable price.

Specifications and technical data

• SKU: rhd-A2128201340-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2128201340
• Substitutable numbers: A2128201340, A 212 820 13 40, 1 397 220 564, 1397220564, 0390241892, 0 390 241 892, KD
• Location on the vehicle: Front
• Category: Wiper Linkages, Transmissions & Motors

Purpose and Function in the Wiper System

The windscreen wiper motor for the Mercedes E-Class W212 is responsible for driving the entire wiper arm mechanism, working in conjunction with the gearbox and linkages. The integrated control unit manages operating speeds, intermittent mode, and response to signals from the steering column stalk. This ensures smooth blade movement, keeping the windscreen clear in conditions ranging from light drizzle to heavy rain.

Its placement on the vehicle is at the front, meaning it is mounted in the scuttle panel area, in direct proximity to the linkage mechanism. This configuration minimizes mechanical losses and improves the overall operational smoothness of the system.

Benefits of Using an Original Wiper Motor

Using an original wiper motor with a control unit in the Mercedes W212 translates into a number of practical benefits:

• maintaining the factory operating parameters of the wiper system,
• proper integration with the vehicle's electrical system and comfort systems,
• appropriately selected torque and speed characteristics,
• stable operation within typical load and temperature ranges.

This provides the driver with predictable wiper operation, free from jerking, stopping in random positions, or problems with the arms returning to their rest position. This is particularly important in premium vehicles where consistent operation of all systems is expected.

Condition, Verification, and Selection by Part Numbers

The offered wiper motor is a used part, which helps to reduce repair costs while maintaining proper operating parameters. Each unit is verified for drive functionality and response to control signals, ensuring the user receives a functional sub-assembly ready for installation.

The selection of this type of component is typically done by the OEM part number and available replacement numbers. This allows for precise matching of the motor to a specific equipment version and W212 body year, avoiding compatibility issues with the wiring harness or linkage mechanism.

Installation and Operational Recommendations

The windscreen wiper motor in the Mercedes W212 is installed within the scuttle panel, in direct connection with the linkage mechanism. When replacing it, it is recommended to:

• check the condition of the wiper arms and linkage shafts for play and corrosion,
• verify the operation of the mechanism's joints,
• inspect the electrical connectors for contact oxidation,
• test the operation of all wiper speeds after installation.

This approach helps to avoid re-disassembling the scuttle panel and ensures longer, trouble-free operation of the entire system.

Mercedes Wiper Motors and Linkages – Selection and Further Knowledge

If you are looking for other Mercedes Wiper Motors and Linkages, visit our dedicated sub-page where you will find a wide selection of wiper drive components for various models of this brand: Mercedes Wiper Motors and Linkages.

When deciding to purchase used drive sub-assemblies, it is worth gaining a broader understanding of the used parts market. An expert guide discussing facts and myths about used powertrains, OEM part selection procedures, and cost-effectiveness analysis will be helpful – you can find it here: Why Buy Used Gearboxes and Engines – Facts Instead of Myths.

Summary

The Mercedes W212 Wiper Motor Windscreen Drive Control Unit is a functional, original component of the windscreen wiper system, designed for front-end installation. The integrated drive with a control module ensures proper integration with the electrical system and linkage mechanism, and selection by catalog numbers allows for full compatibility with a specific W212 version. It is a practical solution for users who want to restore proper wiper operation while maintaining the factory standard of system performance.