2020 Mercedes-Benz C63 AMG Windshield Wipers Aren't Working

Fix Windshield Wiper Issues on 2020 Mercedes-Benz C63 AMG

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Reviewed by
Bo Fader
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 C63 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 C63 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 steps should I take to diagnose the non-functioning windshield wipers on my 2020 Mercedes-Benz C63 AMG?

When diagnosing non-functioning windshield wipers on your 2020 Mercedes-Benz C63 AMG, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex issues. Start by checking the fuse associated with the windshield wipers, as a blown fuse is a common and easily fixable problem. Next, inspect the wiper blades for any signs of wear or damage, as ineffective blades can hinder performance. If the blades are in good condition, turn your attention to the wiper motor; look for any visible signs of damage or malfunction that could prevent movement. Following this, examine the wiper linkage, which connects the motor to the wiper arms, as any disconnections or breaks here can lead to failure. Additionally, test the wiper switch to ensure it is functioning correctly, as a faulty switch may not send the necessary signals to the motor. Finally, inspect the wiring harness for any damage or loose connections that could disrupt the electrical supply. By following this diagnostic approach, you can effectively identify and address the issue with your windshield wipers.

What are the common problems that could cause the windshield wipers to stop working on a 2020 Mercedes-Benz C63 AMG?

When troubleshooting the windshield wipers on a 2020 Mercedes-Benz C63 AMG that have stopped working, it's crucial to identify the common problems that may be causing the issue. Start by checking the fuse related to the wiper system, as a blown fuse is a frequent culprit that can easily disrupt wiper functionality. If the fuse is in good condition, the next area to investigate is the wiper motor, which may be faulty and could require repair or replacement. Additionally, consider the condition of the wiper blades; worn or damaged blades can lead to ineffective performance, making their replacement a simple yet effective solution. It's also wise to inspect the wiper linkage, as any breaks or damage in this component can hinder the wipers' movement. Lastly, a malfunctioning wiper switch might be the reason for the failure, and replacing it could restore proper operation. By methodically examining these potential issues, you can effectively diagnose and resolve the windshield wiper problem on your vehicle.

How urgent is it to repair the non-functional windshield wipers on a 2020 Mercedes-Benz C63 AMG?

Addressing the non-functional windshield wipers on your 2020 Mercedes-Benz C63 AMG is not just a matter of convenience; it is a critical safety issue that demands immediate attention. When wipers fail, visibility is severely compromised during rain or snow, increasing the likelihood of accidents. Moreover, driving without operational wipers can lead to legal repercussions, as many jurisdictions require vehicles to have fully functional wiper systems. Ignoring this problem can also result in more extensive damage to the wiper mechanism or even the windshield itself, leading to costly repairs down the line. Therefore, for the sake of your safety, compliance with traffic laws, and the integrity of your vehicle, it is essential to prioritize the repair of your windshield wipers without delay.

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2020 Mercedes-Benz C63 AMG Windshield Wipers Repair Guide