2020 Mercedes-Benz CLA35 AMG Windshield Wipers Aren't Working

Fix Windshield Wiper Issues on 2020 Mercedes-Benz CLA35 AMG

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
75% chance it's the
Wiper Motor
0%
25% chance it's the
Switch
The most common reasons a 2020 Mercedes-Benz CLA35 AMG windshield wipers aren't working are broken wiper motor and issues with the switch.
  • Wiper Motor: A faulty wiper motor or a bad electrical connection can result in intermittent or non-functioning windshield wipers.
  • Switch: A faulty switch can result in intermittent or complete failure of the electrical component it controls, leading to malfunctioning systems.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2020 Mercedes-Benz CLA35 AMG windshield wipers aren't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

A failed windshield wiper motor will do one of two things in the event of failure. First, it can intermittently work, meaning when the wiper switch is turned on, the windshield wipers may activate, and run for a random amount of time. This may happen at random, or change with a bump. Lastly, the windshield wipers could show no signs of activity, indicating motor failure.

The moment water touches the windshield, you know if you need new windshield wiper blades. If your wiper blades are torn, cracked, hard, or brittle, it is time for replacement. Wipers should also be replaced if the wiper blades only smear water around, seem to make a mess, streak the windshield, and miss large patches. If you are unhappy with the current wiper blades on your vehicle, this is a very economical change to make.

Windshield wiper arms will be replaced mainly for aesthetic reasons or damage. If the windshield arms become bent or rusted, the windshield wipers may not contact the windshield at the proper angle, or there may be no contact at all. Also, the sun will take a toll on these parts after years of use, and fading or clear coat peeling will result, not to mention rust.

What are the steps to diagnose the non-functioning windshield wipers on a 2020 Mercedes-Benz CLA35 AMG?

When diagnosing non-functioning windshield wipers on a 2020 Mercedes-Benz CLA35 AMG, it's crucial to follow a structured diagnostic approach that prioritizes simpler fixes before delving into more complex issues. Begin by checking the fuse related to the windshield wipers, as a blown fuse is a common and straightforward problem to address. If the fuse is intact, the next step is to inspect the wiper motor for any signs of malfunction, as a faulty motor can prevent the wipers from operating. Following this, examine the wiper linkage, which connects the motor to the wiper arms; any damage or disconnection here can disrupt functionality. After ensuring the mechanical components are in order, test the wiper switch to confirm it is working correctly, as a defective switch can also lead to wiper failure. Lastly, assess the condition of the wiper blades themselves, as worn or damaged blades can significantly affect performance and may simply need replacement. By systematically following these steps, you can effectively diagnose and resolve issues with your windshield wipers, ensuring safe visibility while driving.

What are the common problems that could cause the windshield wipers to stop working on a 2020 Mercedes-Benz CLA35 AMG?

When troubleshooting windshield wiper issues on a 2020 Mercedes-Benz CLA35 AMG, it's important to identify the common problems that may be causing the malfunction. Start by checking the fuse, as a blown fuse is a frequent issue that can be easily resolved with a replacement. If the fuse is functioning, the next step is to examine the wiper motor; a faulty motor may need repair or replacement to restore operation. Additionally, inspect the wiper blades for wear, as degraded blades can hinder performance and should be replaced regularly. Another critical component to consider is the wiper linkage, which connects the motor to the wiper arms; any damage here can disrupt the wipers' movement. Lastly, don't overlook potential electrical issues, such as faulty wiring or switches, which may require a more detailed inspection. By methodically addressing these common problems, you can effectively diagnose and fix the windshield wiper failure on your vehicle.

How urgent is it to repair the non-working windshield wipers on a 2020 Mercedes-Benz CLA35 AMG?

When faced with non-working windshield wipers on your 2020 Mercedes-Benz CLA35 AMG, the urgency of repair cannot be overstated. The primary concern is safety; impaired visibility during rain or snow can lead to dangerous driving conditions, significantly increasing the risk of accidents. Additionally, operating a vehicle without functional wipers may violate traffic laws in many jurisdictions, exposing you to fines or legal repercussions. Beyond safety and legality, neglecting this issue can result in damage to your windshield, as debris and water accumulation can lead to scratches or other costly repairs. Moreover, having working wipers enhances your driving experience by providing a clear view of the road, especially during sudden weather changes. Therefore, addressing the malfunction promptly is essential not only for your safety but also for maintaining the integrity of your vehicle and ensuring a comfortable driving experience.

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