2011 Mercedes-Benz C350 Windshield Wipers Aren't Working

Fix Windshield Wiper Issues on 2011 Mercedes-Benz C350

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Reviewed by
Andrew Hajjar
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 2011 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 2011 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 initial diagnostic steps to take when the windshield wipers on a 2011 Mercedes-Benz C350 aren't working?

When troubleshooting non-working windshield wipers on your 2011 Mercedes-Benz C350, it's crucial to follow a methodical diagnostic approach to effectively identify and resolve the issue. Start by checking the fuse related to the wipers, as a blown fuse is a common and straightforward problem that can often be fixed quickly. If the fuse is functioning properly, the next step is to inspect the wiper motor, which may be faulty and could require repair or replacement. Following this, examine the wiper linkage, as any damage or disconnection in this component can prevent the wipers from moving. Additionally, assess the wiper switch, since a malfunctioning switch can disrupt the operation of the wipers. Lastly, inspect the wiper blades for wear and tear; if they are damaged, replacing them can significantly improve their performance. By systematically addressing these areas, you can efficiently diagnose the problem and restore the functionality of your windshield wipers, ensuring clear visibility while driving.

What are the common problems that could cause the windshield wipers to stop working on a 2011 Mercedes-Benz C350?

When troubleshooting the windshield wipers on a 2011 Mercedes-Benz C350, it's essential to consider several common problems that could be at play. One of the first things to check is the condition of the wiper blades themselves; torn or damaged blades can prevent proper function. If the blades are in good shape, the next step is to inspect the fuse associated with the wiper system, as a blown fuse can halt operation entirely. Additionally, the wiper motor may be malfunctioning, which is a critical electrical component that can lead to complete failure of the wipers. It's also important to ensure that the fuses in the fuse box are properly seated, as loose connections can cause intermittent issues. Faulty relays, particularly the Wiper stage 1/2 relay, can contribute to wiper problems as well. Furthermore, examining the switch and the steering column control module is crucial, as these components can also affect wiper functionality. Lastly, ensure that the hood is securely closed, as a switch that detects the hood position can prevent the wipers from operating if it senses an open hood. By systematically checking these areas, you can effectively diagnose and potentially resolve the issue with your windshield wipers.

How urgent is it to repair the non-functioning windshield wipers on a 2011 Mercedes-Benz C350?

When it comes to repairing non-functioning windshield wipers on a 2011 Mercedes-Benz C350, the urgency cannot be overstated. The primary concern is safety; without operational wipers, visibility during rain or snow is severely compromised, increasing the likelihood of accidents. Additionally, many jurisdictions enforce laws requiring functional windshield wipers, and driving without them could result in fines or legal repercussions. Beyond safety and legality, neglecting this repair can lead to further complications, such as damage to the wiper system or even the windshield itself, which can escalate repair costs significantly. Lastly, having reliable windshield wipers is essential for convenience, especially in unpredictable weather conditions. Therefore, addressing the issue promptly is crucial not only for your safety but also for the overall maintenance of your vehicle.

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2011 Mercedes-Benz C350 Windshield Wiper Issues | RepairPal