2012 Mercedes-Benz SLK250 Windshield Wipers Aren't Working

Fix Windshield Wiper Issues on 2012 Mercedes-Benz SLK250

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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 2012 Mercedes-Benz SLK250 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 2012 Mercedes-Benz SLK250 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 2012 Mercedes-Benz SLK250 are not functioning?

When faced with non-functioning windshield wipers on a 2012 Mercedes-Benz SLK250, it's essential to adopt a systematic diagnostic approach to identify the root cause of the problem. Begin by checking the fuse associated with the wiper system, as a blown fuse is a common and easily fixable issue. If the fuse is intact, proceed to inspect the wiper motor for any signs of malfunction, as a defective motor can prevent the wipers from operating. Next, examine the wiper linkage, which connects the motor to the wiper arms; any damage or disconnection here can disrupt functionality. Additionally, testing the wiper switch is crucial, as a faulty switch may fail to send the necessary signals to the motor. Finally, inspect the wiring for any damage or loose connections, as these can also impede wiper operation. By following this structured approach, you can effectively diagnose and address the issue with your windshield wipers, ensuring safe visibility while driving.

What are the common problems that could cause the windshield wipers to stop working on a 2012 Mercedes-Benz SLK250?

When troubleshooting the windshield wipers on a 2012 Mercedes-Benz SLK250, it's essential to consider several 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 be faulty and require repair or replacement. Additionally, worn or damaged wiper blades can significantly affect performance, so inspecting and replacing them if necessary is a good practice. Another potential issue is the wiper linkage, which connects the motor to the wiper arms; if this linkage is broken, the wipers won't function correctly. Lastly, a malfunctioning wiper switch can also lead to operational failures, and replacing this switch can restore functionality. By systematically checking these components, you can effectively diagnose and resolve the issues with your windshield wipers.

How urgent is it to repair the non-functioning windshield wipers on a 2012 Mercedes-Benz SLK250?

When it comes to the urgency of repairing non-functioning windshield wipers on a 2012 Mercedes-Benz SLK250, the implications are significant. 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 lead to fines or legal repercussions. Beyond safety and legality, there is the risk of incurring further damage to the vehicle; continued use of non-functioning wipers can scratch or damage the windshield, leading to costly repairs. Lastly, having reliable wipers enhances the overall driving experience, providing comfort and peace of mind for both the driver and passengers. Therefore, addressing the malfunction promptly is not just a matter of convenience but a critical step in ensuring safety and compliance on the road.

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