2021 Mercedes-Benz C43 AMG Windshield Wipers Aren't Working

Fix Windshield Wiper Issues on 2021 Mercedes-Benz C43 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 2021 Mercedes-Benz C43 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 2021 Mercedes-Benz C43 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 2021 Mercedes-Benz C43 AMG?

When diagnosing non-functioning windshield wipers on your 2021 Mercedes-Benz C43 AMG, it's crucial to follow a structured diagnostic approach that prioritizes simpler checks before delving into more complex issues. Begin by inspecting the fuse related to the windshield wipers, as a blown fuse is a common and straightforward problem that can easily be resolved. If the fuse is intact, the next step is to examine the wiper motor for any signs of failure, as a malfunctioning motor can prevent the wipers from operating altogether. Following this, check the wiper linkage, which connects the motor to the wiper arms; any damage or disconnection in this area can lead to wiper dysfunction. Additionally, test the wiper switch to ensure it is working properly, as a faulty switch can also disrupt wiper operation. Lastly, assess the condition of the wiper blades themselves; if they are worn or damaged, replacing them may be all that is needed to restore functionality. By systematically following these steps, you can effectively diagnose and address the issue with your windshield wipers, ensuring optimal visibility and safety while driving.

What are the common problems that could cause the windshield wipers to stop working on a 2021 Mercedes-Benz C43 AMG?

When troubleshooting the windshield wipers on a 2021 Mercedes-Benz C43 AMG, it's essential to consider several common issues that could be at play. One of the first things to check is the fuse associated with the wiper system; a blown fuse can easily disrupt functionality, and replacing it is a straightforward fix. If the fuse is intact, the next step is to inspect the wiper motor itself, as a malfunctioning motor will prevent the wipers from operating. Additionally, worn wiper blades can significantly impact performance; if they are not making proper contact with the windshield, they may need to be replaced. Another critical component to examine is the wiper linkage, which connects the motor to the wiper arms; any damage here can lead to ineffective movement. Lastly, ensure that the wiper switch is functioning correctly, as a faulty switch may fail to send the necessary signals to the motor. By systematically addressing these potential issues, you can effectively diagnose and resolve the problems with your windshield wipers, ensuring they operate smoothly and safely.

How urgent is it to repair the non-functioning windshield wipers on a 2021 Mercedes-Benz C43 AMG?

When it comes to repairing non-functioning windshield wipers on a 2021 Mercedes-Benz C43 AMG, the urgency cannot be overstated. First and foremost, safety is paramount; without operational wipers, visibility during rain or snow is severely compromised, heightening the risk of accidents. Additionally, many jurisdictions enforce laws requiring functional windshield wipers, and neglecting this issue could result in fines or legal repercussions. Beyond safety and legality, failing to address malfunctioning wipers can lead to further damage to the windshield itself, as dirt and debris accumulate without proper cleaning. Lastly, having reliable wipers contributes to a more comfortable driving experience, allowing you to navigate adverse weather conditions with ease. Therefore, it is crucial to prioritize the repair of your windshield wipers to ensure safety, compliance, and overall driving comfort.

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2021 Mercedes-Benz C43 AMG Windshield Wipers Not Working