2020 Mercedes-Benz GLE450 Makes Noise When Braking

Common Causes of Brake Noise in Your 2020 Mercedes-Benz GLE450 and How to Resolve Them

Find Repair Location
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 2020 Mercedes-Benz GLE450 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 2020 Mercedes-Benz GLE450, and how should I diagnose it?

When diagnosing braking noise in a 2020 Mercedes-Benz GLE450, it's essential to adopt a systematic approach that begins with the most straightforward checks. Start by inspecting the brake pads for wear; if they are worn down, replacing them may resolve the noise. Next, examine the brake rotors for any signs of damage or warping, as these issues can also lead to unwanted sounds during braking. It's crucial to ensure that the brake calipers are functioning correctly, as sticking calipers can contribute to noise. Additionally, cleaning the brakes to remove any accumulated brake dust or debris can help eliminate noise caused by foreign particles. Proper lubrication of brake components is another vital step, as insufficient lubrication can lead to increased friction and noise. Finally, don't overlook the suspension components; worn or damaged parts in this area can sometimes produce sounds that may be mistaken for brake noise. By following this diagnostic approach, you can effectively identify and address the source of the braking noise in your vehicle.

What are the common problems that could cause a 2020 Mercedes-Benz GLE450 to make noise when braking?

When your 2020 Mercedes-Benz GLE450 begins to make noise while braking, it’s crucial to identify the underlying issues to maintain safety and performance. Common problems include worn brake pads, which can produce grinding or squealing sounds as they deteriorate over time. Additionally, brake rotor issues, such as warping or uneven wear, can lead to vibrations and noise during braking. Faulty brake calipers may also be a factor; if they are sticking or misaligned, they can create uneven pressure on the brake pads, resulting in unwanted sounds. Accumulation of brake dust or debris can interfere with the braking system, but this is often easily resolved with a thorough cleaning. Moreover, insufficient lubrication on brake components can cause friction and noise, emphasizing the need for regular maintenance of caliper pins and other moving parts. Lastly, damaged or malfunctioning anti-rattle clips can fail to secure the brake pads properly, contributing to noise. To ensure your vehicle operates safely, it’s advisable to consult a qualified mechanic who can accurately diagnose and address the specific cause of the noise.

How urgent is it to address the braking noise in a 2020 Mercedes-Benz GLE450?

When it comes to addressing braking noise in a 2020 Mercedes-Benz GLE450, the urgency cannot be overstated. Unusual sounds from the braking system often signal underlying issues that could compromise both safety and vehicle performance. For DIY enthusiasts, it’s crucial to recognize that ignoring these noises may lead to severe consequences, including diminished braking efficiency and increased risk of accidents. Additionally, the longer you wait to investigate the source of the noise, the greater the potential for damage to critical components like brake pads and rotors, which can escalate repair costs significantly. If your vehicle is still under warranty, timely action is even more important, as it may cover necessary repairs if addressed promptly. Therefore, whether you plan to inspect the brakes yourself or seek professional help, prioritizing the resolution of any braking noise is essential for maintaining safety and preventing further damage to your vehicle.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2020 Mercedes-Benz GLE450 Braking Noise Issues & Solutions