Mercedes A B Class W169 W245 Windscreen Wiper Linkage Motor System A1698201840

The Mercedes A/B Class W169/W245 Windshield Wiper Mechanism and Motor is an original drive unit designed for the windshield, responsible for the smooth operation of wiper arms and the stable performance of the entire system. This OEM solution ensures the correct geometry of blade movement, proper integration with the vehicle's electrical system, and predictable behavior in various weather conditions.

Specifications and technical data

• SKU: rhd-A1698201840
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1698201840
• Substitutable numbers: A1698201840, A 169 820 18 40, AS
• Location on the vehicle: Front
• Category: Wiper Linkages, Transmissions & Motors

Purpose and Function in the Vehicle

The presented unit belongs to the Wiper Motors and Linkages category and is dedicated to Mercedes A and B Class models of the W169/W245 generation. It is responsible for driving and guiding the wipers on the windshield, combining an electric motor with a precise gearbox and linkage system. Its placement on the vehicle is at the front, meaning direct interaction with the wiper arms and the cowl panel mechanics.

A properly selected wiper mechanism translates to:

• stable, repeatable blade movement without jamming,
• correct positioning of wipers at rest,
• effective removal of water and debris from the driver's field of vision.

Construction of the Motor-Linkage Assembly

The mechanism is a complete drive system for the front wipers, where the electric motor works in conjunction with a system of levers and linkages. The applied design ensures appropriate torque transfer and arm movement kinematics, in line with the manufacturer's factory specifications. This maintains the correct sweep area and even pressure of the blades against the glass.

Original origin from the Mercedes brand means it fits factory mounting points, is compatible with the standard electrical system, and maintains the manufacturer's intended operating parameters, such as gear speeds and intermittent mode operation.

Benefits of Using an Original Mechanism

Using the factory-supplied wiper motor and linkage assembly in a Mercedes A/B Class W169/W245 allows for the integrity of the entire visibility system to be maintained. Compared to aftermarket alternatives, the original part ensures:

• compliance with the factory arm operating geometry,
• correct interaction with the vehicle's electronics (control module, stalk),
• appropriate operating culture – reduced mechanism vibrations and noise.

The product is offered as a used OEM part, allowing for an economical repair of the wiper system while maintaining the vehicle's original technical specifications. This solution is particularly beneficial for comprehensive servicing of older models where both cost and adherence to factory design are important.

Selection by Numbers and Installation Aspects

The selection of a wiper mechanism for a specific Mercedes A or B Class vehicle should be based on catalog data, part numbers, and body configuration. Correct matching guarantees the proper positioning of the arms on the windshield, no interference with the hood, and full functionality of all operating modes.

During installation, pay attention to:

• correct setting of the wiper arm rest position,
• checking for play in the linkage joints,
• the condition of the mounting sockets in the cowl panel.

Due to the nature of the system, installation by a workshop experienced with Mercedes vehicles is recommended to avoid issues with incorrect operating angles or excessive motor load.

Used OEM Part vs. Repair Cost-Effectiveness

Choosing a used, original wiper mechanism is often a sensible compromise between cost and quality. For drive and mechanical components like wiper motors and linkages, correct operation under load and compliance with the factory design are paramount. For a more in-depth look at the economics of using used drive components and how to safely select parts by catalog numbers, read the article Why Buy Used Gearboxes and Engines – Facts Instead of Myths, which also covers practical procedures for selection by VIN and OEM.

If you are planning a comprehensive repair or upgrade of the visibility zone and wiper system in your Mercedes and need other parts from the same group, such as motors, linkages, or complete mechanisms, check the available parts in the Mercedes Wiper Motors and Linkages category.