Mercedes Benz CLA Wagon C117 Wiper (2013-2019): A Comprehensive Guide

The Mercedes Benz CLA Wagon C117, produced from 2013 to 2019, is a versatile and stylish vehicle that combines practicality with performance. Ensuring clear visibility while driving is crucial, and the wiper system of the CLA Wagon plays a pivotal role in maintaining optimal visibility. This comprehensive guide delves into the intricacies of the wiper system, providing detailed information about its components, maintenance, and troubleshooting.

Components of the Wiper System

The wiper system of the CLA Wagon C117 consists of several key components:

 Wiper Blades: The rubber wiper blades are responsible for physically wiping away rain, dirt, and debris from the windshield.
 Wiper Arms: The wiper arms hold and move the wiper blades across the windshield.
 Wiper Motor: The wiper motor provides the power to drive the wiper arms and blades.
 Wiper Linkage: The wiper linkage connects the wiper motor to the wiper arms and ensures synchronized movement.
 Wiper Control Module: The wiper control module regulates the behavior of the wiper system, such as setting the speed and determining when the wipers should operate.
 Rain Sensor: The rain sensor detects the presence of moisture on the windshield and automatically activates the wipers.

Maintenance of the Wiper System

Regular maintenance is crucial to ensure the optimal performance of the wiper system. Here are some maintenance tips:

 Inspect Wiper Blades: Check the wiper blades regularly for signs of wear, such as cracking or fraying. Replace them if they are damaged or worn.
 Clean Wiper Blades: Use a damp cloth to gently wipe down the wiper blades to remove dirt and debris.
 Lubricate Wiper Arms: Apply a small amount of silicone lubricant to the joints of the wiper arms to reduce friction and prevent squeaking.
 Check Wiper Fluid Level: Top up the wiper fluid reservoir as needed. Use a high-quality wiper fluid to ensure effective cleaning.

Troubleshooting Common Wiper Issues

 Wipers Not Operating: Check the wiper fuse, connections, and wiper motor. If the fuse is blown, replace it. If the connections are loose, tighten them. If the wiper motor is not functioning, it may need to be replaced.
 Wipers Not Wiping Effectively: Inspect the wiper blades. If they are damaged or worn, replace them. Check the windshield for dirt, debris, or wax buildup and clean it thoroughly.
 Wipers Chattering: Make sure the wiper arms are properly aligned. If they are misaligned, adjust them to ensure even pressure distribution across the windshield.
 Wipers Moving Intermittently: Check the wiper control module. If it is malfunctioning, it may need to be replaced.
 Wipers Not Turning Off: Check the wiper switch. If it is stuck or malfunctioning, it may need to be replaced.

The wiper system of the Mercedes Benz CLA Wagon C117 plays a vital role in maintaining clear visibility. By understanding the components, maintenance, and troubleshooting techniques of the wiper system, you can ensure that your CLA Wagon operates at its best. Regular maintenance and prompt attention to any issues will help extend the lifespan of the wiper system and provide you with safe and enjoyable driving experiences.