2014 Mercedes-Benz C350 Windshield Wipers Aren't Working

Common Causes of Windshield Wiper Malfunctions in Your 2014 Mercedes-Benz C350 and How to Fix Them

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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 2014 Mercedes-Benz C350 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 2014 Mercedes-Benz C350 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 windshield wiper issue on a 2014 Mercedes-Benz C350?

To effectively diagnose a windshield wiper issue on a 2014 Mercedes-Benz C350, it is essential to adopt a systematic approach that prioritizes simpler fixes before delving into more complex diagnostics. Start by checking the fuse related to the windshield wipers, as a blown fuse is a common and easily rectifiable issue that can disrupt wiper functionality. If the fuse is intact, proceed to inspect the wiper blades for any signs of wear or damage, as deteriorated blades can severely affect performance. Should the blades be in good condition, the next step is to examine the wiper motor for any visible signs of malfunction or damage that could impede operation. Following this, assess the wiper linkage, which connects the motor to the wiper arms, ensuring it is secure and functioning correctly. If all these components check out, test the wiper switch to verify it is sending the appropriate signals to the motor. Lastly, inspect the wiring for any damage or loose connections, as faulty wiring can also contribute to wiper issues. By methodically addressing these areas, you can effectively troubleshoot and resolve windshield wiper problems on your vehicle, ensuring optimal performance and safety while driving.

What are the common problems that could cause the windshield wipers to stop working on a 2014 Mercedes-Benz C350?

When dealing with non-functioning windshield wipers on a 2014 Mercedes-Benz C350, it's essential to understand the common problems that could be at play. One of the first things to check is the fuse; a blown fuse in the vehicle's fuse box can easily disrupt the wiper's operation, and replacing it is a straightforward DIY task. If the fuse is intact, the next step is to inspect the wiper motor, as a faulty motor can prevent the wipers from moving altogether. If you're comfortable with basic automotive repairs, replacing the motor may be within your skill set. Additionally, worn or damaged wiper blades can significantly affect performance, so replacing them is a simple yet effective solution. Another potential issue is the linkage that connects the wiper motor to the wiper arms; if this linkage is broken, the wipers won't function correctly, and repairing or replacing it may be necessary. Lastly, consider the wiper switch itself; if it's malfunctioning, it won't send the correct signals to the motor. Testing and replacing the switch can restore functionality. By systematically checking these components, DIYers can often identify and resolve the issue without needing professional assistance.

How urgent is it to address the non-functioning windshield wipers on a 2014 Mercedes-Benz C350?

Addressing the non-functioning windshield wipers on a 2014 Mercedes-Benz C350 is an urgent matter that should not be overlooked. The primary concern is safety; without functioning wipers, visibility during rain or snow is severely compromised, significantly increasing the risk of accidents. Additionally, many jurisdictions have laws requiring operational windshield wipers, and driving without them could result in fines or legal repercussions. Beyond safety and legal issues, neglecting this problem can lead to further damage to the wiper system or even the windshield itself, which can escalate repair costs. Lastly, having reliable wipers is essential for maintaining a clear view in unpredictable weather, ensuring a more comfortable and secure driving experience. Therefore, it is crucial to address any issues with windshield wipers promptly to safeguard both your safety and your vehicle's integrity.

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2014 Mercedes-Benz C350 Windshield Wipers Not Working