Mercedes-Benz GLA35 AMG Makes Noise When Braking

Common Causes of Brake Noise in Your Mercedes-Benz GLA35 AMG and How to Resolve Them

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Reviewed by
Devin Cabugcal
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 Mercedes-Benz GLA35 AMG 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.

Troubleshooting Braking Noise in a Mercedes-Benz GLA35 AMG

When troubleshooting braking noise in your Mercedes-Benz GLA35 AMG, begin by assessing the most straightforward factors that could be contributing to the issue. Start with a visual inspection of the brake pads to check for wear; if they appear thin, replacing them may resolve the noise. Next, consider the temperature conditions, as cooler weather can lead to temporary squealing. If this is the case, warming up the brakes with a couple of firm stops can help. Pay attention to your driving habits as well; if you find yourself frequently "riding" the brakes or braking late, adjusting these habits can reduce friction and noise. If the noise persists, inspect the brake components for any loose parts, leaks in the brake lines, or issues with the calipers, as dragging brakes can create unwanted sounds. Lastly, if you have recently installed new brake pads, ensure they are properly seated and aligned, as improper installation can lead to squeaking. If these steps do not resolve the issue, it may be time to consult a qualified mechanic for a more thorough inspection. By following this diagnostic approach, you can systematically address and potentially resolve braking noise issues in your vehicle.

What Could Be Causing Braking Noise in a Mercedes-Benz GLA35 AMG?

When dealing with braking noise in your Mercedes-Benz GLA35 AMG, it's essential to understand the common problems that may be at play. One of the primary culprits is worn brake pads or discs, which can produce a squeaking or grinding sound during braking. If you've recently replaced your brake pads, improper installation could also lead to misalignment, causing them to rub against the rotors and generate noise. Additionally, environmental factors such as moisture build-up can affect brake performance, particularly in wet conditions, leading to temporary screeching sounds. It's worth noting that high-performance brakes, like those found in the GLA35 AMG, may inherently produce some noise due to their design, especially under hard braking. To address these issues, start by inspecting your brake pads and discs for wear, ensuring they are correctly installed, and checking for any moisture accumulation. If the noise persists despite these checks, it may be prudent to consult a qualified mechanic for a comprehensive evaluation of your braking system.

How to Address Noisy Braking Issues in a Mercedes-Benz GLA35 AMG?

When experiencing noisy braking issues in your Mercedes-Benz GLA35 AMG, it is crucial to address the problem without delay. Ignoring these symptoms can lead to more severe consequences, including compromised safety and potential damage to your braking system. Start by identifying the source of the noise, which could stem from worn brake pads, damaged rotors, or malfunctioning calipers. Once you pinpoint the cause, consider lubricating the brake pads, as even new pads can produce squeaks due to insufficient lubrication at contact points. Be mindful of how temperature affects noise levels; for instance, squealing may worsen in colder conditions or during reverse maneuvers. It's also important to understand that some noise is typical for high-performance vehicles, especially with semi-metallic brakes, but excessive sounds should not be overlooked. Additionally, adjusting your driving habits to avoid hard braking can significantly reduce wear and tear on your brake components. By taking these proactive steps, you can maintain optimal braking performance and ensure your safety on the road.

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