2017 Mercedes-Benz CLA250 Makes Noise When Braking

Common Causes of Brake Noise in Your 2017 Mercedes-Benz CLA250 and How to Address Them

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Brake Pads
0%
25% chance it's the
Brake Rotors
0%
15% chance it's the
Brake Caliper
0%
20% chance it's
Something else
The most common reasons a 2017 Mercedes-Benz CLA250 makes noise when braking are bad brake pads, bad brake rotors, or bad brake caliper.
  • Brake Pads: Worn or glazed brake pads can lead to reduced braking efficiency and increased stopping distances.
  • Brake Rotors: A warped or worn brake rotor can cause vibrations during braking and reduced braking efficiency.
  • Brake Caliper: A seized or malfunctioning brake caliper can result in dragging brakes, overheating, and uneven wear on the brake pads.
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.

What could be causing the braking noise in a 2017 Mercedes-Benz CLA250, and how should I diagnose it?

To diagnose braking noise in your 2017 Mercedes-Benz CLA250, start with the most accessible components. Begin by inspecting the brake pads for wear; if they are thin or uneven, replacing them may resolve the noise. Next, examine the brake rotors for any signs of warping or damage, as these can create significant noise during braking. If the pads and rotors appear fine, check the brake calipers to ensure they are not sticking or misaligned, as this can also lead to unwanted sounds. Additionally, cleaning the brakes to remove any accumulated dust or debris can help eliminate noise caused by foreign particles. Finally, don’t overlook the wheel bearings; any wear or damage here can contribute to braking noise as well. By following this methodical approach, you can effectively identify and address the source of the noise, ensuring a smoother and quieter driving experience. If you encounter difficulties or uncertainties during your inspection, consulting a professional mechanic is always a wise choice for a thorough evaluation.

What could be causing the noise when braking in a 2017 Mercedes-Benz CLA250?

When dealing with noise while braking in a 2017 Mercedes-Benz CLA250, it's essential to understand the common problems that could be at play. One of the primary culprits is worn brake pads, which can produce a grinding or squealing sound as they reach the end of their lifespan. Additionally, issues with the brake rotors, such as warping or uneven wear, can lead to similar noises, indicating that they may need resurfacing or replacement. Brake caliper problems, including sticking or misalignment, can also contribute to noise by causing uneven pressure on the brake pads. Furthermore, the accumulation of brake dust or debris can interfere with the braking system, leading to unwanted sounds. Lastly, a lack of lubrication on critical components can exacerbate noise issues, highlighting the importance of regular maintenance. If you encounter these noises, it’s advisable to conduct a thorough inspection or consult a qualified mechanic to accurately diagnose and resolve the issue, ensuring your vehicle remains safe and quiet on the road.

How urgent is it to address the braking noise in a 2017 Mercedes-Benz CLA250?

Addressing braking noise in a 2017 Mercedes-Benz CLA250 is not just a matter of comfort; it is a critical safety concern that should be prioritized. Braking noise often signals underlying issues such as worn brake pads, warped rotors, or malfunctioning brake calipers, which, if left unchecked, can lead to more severe damage and costly repairs. Ignoring these symptoms can compromise the vehicle's braking performance, increasing the risk of accidents and endangering both the driver and passengers. Therefore, it is essential to act swiftly when you notice any unusual sounds from the brakes. A professional inspection can help identify the root cause of the noise and ensure that necessary repairs are made promptly. Regular maintenance and timely attention to braking issues not only enhance the vehicle's safety but also contribute to its overall longevity and performance. For DIY enthusiasts, understanding the urgency of these symptoms is crucial in maintaining a safe driving experience.

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