2019 Mercedes-Benz GLA250 Windshield Wipers Aren't Working

Fix Windshield Wiper Issues on 2019 Mercedes-Benz GLA250

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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 2019 Mercedes-Benz GLA250 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 2019 Mercedes-Benz GLA250 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 2019 Mercedes-Benz GLA250 aren't working?

When faced with malfunctioning windshield wipers on your 2019 Mercedes-Benz GLA250, it's essential to adopt a methodical diagnostic approach. Begin by checking the fuse associated with the wiper system, as a blown fuse is a common and easily fixable issue. Next, inspect the wiper blades for any signs of wear or damage, as compromised blades can significantly affect performance. If the blades are in good condition, turn your attention to the wiper motor; ensure it is receiving power and functioning properly, as this component is crucial for wiper movement. Additionally, examine the wiring connected to the wiper system for any visible damage or loose connections, which can disrupt functionality. Don’t forget to test the wiper switch itself, as a malfunctioning switch can prevent the wipers from operating. Lastly, check the washer fluid reservoir to confirm that there is enough fluid, as low levels can impact wiper effectiveness. By following this structured approach, you can efficiently identify and address the root cause of your windshield wiper issues, ensuring a safer driving experience.

What are the common problems that could cause the windshield wipers to stop working on a 2019 Mercedes-Benz GLA250?

When dealing with non-functioning windshield wipers on a 2019 Mercedes-Benz GLA250, 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 fix. If the fuse is intact, the next likely culprit could be the wiper motor itself, which may require repair or replacement if it's malfunctioning. Additionally, worn or damaged wiper blades can significantly affect performance, so inspecting and replacing them is a simple yet effective solution. Another potential issue is the wiper linkage, which connects the motor to the wiper arms; if this linkage is broken, the wipers won't move as intended, necessitating repair or replacement. Lastly, a faulty wiper switch can prevent the wipers from receiving the necessary signals to operate, and replacing this switch may resolve the issue. By systematically checking these components, you can effectively troubleshoot and potentially fix the problem with your windshield wipers.

How urgent is it to repair the non-functioning windshield wipers on a 2019 Mercedes-Benz GLA250?

Addressing the issue of non-functioning windshield wipers on a 2019 Mercedes-Benz GLA250 is not just a matter of convenience; it is a critical safety concern that demands immediate attention. When windshield wipers fail, visibility is severely compromised, especially during rain or snow, which can lead to dangerous driving conditions and increase the likelihood of accidents. Moreover, many jurisdictions mandate that vehicles must have operational wipers to comply with traffic laws, making timely repairs essential to avoid legal repercussions. Ignoring this issue can also result in further damage to the wiper system or even the windshield itself, leading to more extensive and costly repairs down the line. Ultimately, ensuring that your windshield wipers are functioning properly is vital for a safe and comfortable driving experience, making it imperative to address any malfunctions without delay.

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