The safety of a car is important. Whether or not the Mercedes Benz GLS Class are economic holes, certain maintenance works are fundamental. In this article we will explain to you when to replace the brake discs of your Mercedes Benz GLS Class? To do this, first of all, we will see what the brake discs of your motor vehicle are used for, then, when to replace the brake discs of your Mercedes Benz GLS Class, and, finally, how to replace them with new ones.

change-brake-discs-mercedes-benz-gls-class

Benefit of the brake discs of a Mercedes Benz GLS Class

We start our content by explaining what the brake discs of a Mercedes Benz GLS Class are used for, it will allow you to figure out why it is important to ensure that that they are constantly in good working order.
Brake discs are the most important part of your braking system. In fact, braking on an Mercedes Benz GLS Class is hydraulic, it is a system of hoses and pressurized oil that will come into action when you press your brake pedal. This pressure will actuate a piston that will push the brake pads on your brake disc which is installed on your wheel. When the brake pads will pinch the discs which will trigger your Mercedes Benz GLS Class to brake.

When to replace the brake discs of a Mercedes Benz GLS Class?

We will now proceed to the part that most certainly attracts you to this article, namely, when replacing the brake discs of a Mercedes Benz GLS Class? How we revealed it to you just before, the brake discs and pads work in osmosis, however these two elements are wearing parts and they will, after some time and especially the friction when braking wears out and loses braking power. We will now outline the different methods to know when to replace them:

  • We consider that generally the brake discs should be changed every 80, 000 – 100, 000 km on a Mercedes Benz GLS Class , however it is important to know that according to your driving style and the type of journey this can vary considerably. Indeed, if you mainly drive on the motorway and your brakes are just slightly used, this value can increase, on the other hand, if you just drive in built-up areas, it can decrease.
  • A simple and successful technique to find out the condition of the brake discs on your car is during the technical inspection. Indeed this thorough control checks the state of your brakes and the controller will tell you if they are in good condition or need to be changed.
  • A very easy visual technique to know when to replace the brake discs on your Mercedes Benz GLS Class is to remove the wheels after the car has been set on stands. Once taken out, you will be able to access your discs and verify their condition. If they have any big scratches or deformations you will have to replace them. Otherwise the second indicator to verify is to measure the depth of the disk in relation to its edge, if this value exceeds 1 mm you will have to change them by new ones.

.

How to replace the brake discs on your Mercedes Benz GLS Class?

Finally, to conclude this article we will quickly show you how to replace the brake discs of your Mercedes Benz GLS Class. You must know that if you replace the brake discs of your motor vehicle, you will absolutely have to change the brake pads of your Mercedes Benz GLS Class, don’t hesitate to seek advice from our article which teaches you how to make this replace.
As far as changing discs is concerned, here are the most important steps to stick to:

  • Put your Mercedes Benz GLS Class on stands, take off the wheels you want to action on.
  • Using a large flat screwdriver, pry on your brake pads to compress the caliper piston as much as possible and have enough play to produce all your changes.
  • Using large Torx bits, remove the two nuts that lock the upper part of your brake caliper, remove it.
  • Remove your brake pads, then unlock your brake discs thanks to the two torx screws on the side of the disc, you may possibly need a mallet to remove the discs.
  • Replace the discs and tighten them with the new torx screws provided, replace your pads, reassemble the upper part of the caliper and tighten everything tightly.
  • Mounting your wheels, and remember to do a 500-kilometer brake break-in before braking hard.

If you wish more tutorials on the Mercedes Benz GLS Class, go to our Mercedes Benz GLS Class category.