Mercedes-Benz GLE350 Windshield Wipers Aren't Working

Common Causes of Non-Functioning Windshield Wipers in Your Mercedes-Benz GLE350 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 Mercedes-Benz GLE350 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 Mercedes-Benz GLE350 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.

Troubleshooting Non-Functional Windshield Wipers in a Mercedes-Benz GLE350

When faced with non-functional windshield wipers in your Mercedes-Benz GLE350, it's essential to adopt a systematic diagnostic approach. Begin by checking the windshield wiper fuse, as a blown fuse is often the simplest and quickest fix. If the fuse is intact, inspect the wiper motor; a complete lack of movement may indicate a malfunctioning motor that requires replacement. Next, examine the wiper linkage, as any disconnections or damage here can prevent the wipers from operating correctly. If the wipers move but fail to clear the windshield effectively, assess the condition of the wiper blades for signs of wear and tear, as worn-out blades can significantly impair visibility. Additionally, ensure that your windshield is clean, as dirt and grime can hinder the wipers' performance. Finally, check the alignment of the wiper arms; misalignment can lead to ineffective wiping. By following this methodical approach, you can efficiently diagnose and resolve the issues affecting your windshield wipers, restoring their functionality and ensuring safe driving conditions.

What to Check When Windshield Wipers Aren't Working on a Mercedes-Benz GLE350?

When your Mercedes-Benz GLE350's windshield wipers are not functioning properly, it's crucial to conduct a thorough examination of several potential issues. Begin by checking the wiper motor, as this is often the primary reason for wiper failure. If the motor is operational, the next step is to inspect the wiper switch; a malfunctioning switch may fail to send the necessary signals to engage the wipers. Additionally, a blown fuse can easily disrupt wiper functionality, making it a simple fix that you can check at home. If your wipers are only working intermittently, consider the possibility of a defective rain sensor, which can affect their performance. Even if the wipers are moving, ensure that the blades are in good condition and that the windshield is clean, as worn blades or dirt can impede their effectiveness. Finally, take a closer look at the wiper mechanism for any damaged parts, such as rubber ball joints or detached wiper arms, which may require replacement. By systematically addressing these common problems, you can effectively troubleshoot and restore the functionality of your windshield wipers.

Why Are the Windshield Wipers Not Working on a Mercedes-Benz GLE350?

When the windshield wipers on your Mercedes-Benz GLE350 fail to operate, it is crucial to address the issue promptly to avoid compromising your safety on the road. Neglecting this problem can lead to reduced visibility during rain or adverse weather conditions, significantly increasing the risk of accidents. Common culprits behind malfunctioning wipers include a faulty wiper motor, a defective switch, or a blown fuse, all of which can be diagnosed with relative ease. Additionally, issues such as worn-out rubber ball joints or detached wiper arms may require immediate attention to prevent further mechanical complications. By taking the time to troubleshoot these components, you not only enhance your driving safety but also potentially save on costly repairs down the line. Therefore, if you notice any signs of wiper failure, it is advisable to investigate the cause without delay.

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