The safety of a motor vehicle is very important. Whether or not the Mercedes Classe B are financial holes, certain maintenance actions are fundamental. In this article we will explain to you when to replace the brake discs of your Mercedes Classe B? To do this, to begin with, we will see what the brake discs of your motor vehicle are used for, then, when to replace the brake discs of your Mercedes Classe B, and, finally, how to replace them with new ones.
Interest of the brake discs of a Mercedes Classe B
We begin our guideline by detailing what the brake discs of a Mercedes Classe B are used for, it will enable you to discover why it is necessary to make sure that they are constantly in good functioning conditions.
Brake discs are the most important part of your braking system. In actual fact, braking on an Mercedes Classe B 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 mounted on your wheel. When the brake pads will pinch the discs which will cause your Mercedes Classe B to brake.
When to replace the brake discs of a Mercedes Classe B?
We will now move on to the section that undoubtedly attracts you to this article, namely, when changing the brake discs of a Mercedes Classe B? How we explained it to you just before, the brake discs and pads work in osmosis, however these two elements are wearing auto parts and they will, as time passes 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 speaking the brake discs should be changed every 80, 000 – 100, 000 km on a Mercedes Classe B , however it is necessary to know that depending on your driving style and the type of journey this can change substantially. In fact, if you specifically drive on the motorway and your brakes are just slightly used, this value can increase, in contrast, if you just drive in built-up areas, it can reduce.
- A simple and good way to identify the condition of the brake discs on your motor vehicle is during the technical inspection. In fact 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 basic visual way to know when to replace the brake discs on your Mercedes Classe B is to remove the wheels after the car has been set on stands. Once taken off, you will have the ability to access your discs and check their condition. If they have any big scratches or deformations you will have to replace them. In any other case 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.
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How to replace the brake discs on your Mercedes Classe B?
Finally, to end this article we will fairly quickly explain how to replace the brake discs of your Mercedes Classe B. You must know that if you replace the brake discs of your car, you will absolutely have to change the brake pads of your Mercedes Classe B, don’t think twice to consult our article which exposes you how to make this replace.
As far as changing discs is concerned, here are the most important steps to follow:
- Put your Mercedes Classe B on stands, take off the wheels you want to work 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, take out the two nuts that lock the upper part of your brake caliper, take out it.
- Take out your brake pads, then unlock your brake discs thanks to the two torx screws on the side of the disc, you might 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 want more guides on the Mercedes Classe B, go to our Mercedes Classe B category.
