The safety of a car is paramount. Regardless if the Mercedes Cla are economic holes, certain maintenance works are indispensable. In this article we will explain to you when to change the brake discs of your Mercedes Cla? To achieve this, first of all, we will see what the brake discs of your motor vehicle are used for, then, when to change the brake discs of your Mercedes Cla, and, finally, how to change them with new ones.
Benefit of the brake discs of a Mercedes Cla
We start our content page by detailing what the brake discs of a Mercedes Cla are used for, it will enable you to understand why it is essential to make sure that they are constantly in good working order.
Brake discs are the main part of your braking system. In fact, braking on an Mercedes Cla 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 placed on your wheel. When the brake pads will pinch the discs which will trigger your Mercedes Cla to brake.
When to change the brake discs of a Mercedes Cla?
We will now proceed to the section that undoubtedly attracts you to this content page, namely, when replacing the brake discs of a Mercedes Cla? How we described it to you just before, the brake discs and pads work in osmosis, nevertheless these two elements are wearing auto parts and they will, after some time and specifically the friction when braking wears out and loses braking power. We will now highlight the different ways to know when to change them:
- We consider that in general the brake discs should be changed every 80, 000 – 100, 000 km on a Mercedes Cla , nevertheless it is essential to know that based on your driving style and the type of journey this can vary substantially. Indeed, if you mainly drive on the motorway and your brakes are only slightly used, this value can increase, conversely, if you only drive in built-up areas, it can decrease.
- A simple and powerful way to find out the state 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 state or need to be changed.
- A basic visual way to know when to change the brake discs on your Mercedes Cla is to remove the wheels after the car has been set on stands. Once removed, you will have the ability to access your discs and check their state. If they have any big scratches or deformations you will have to change them. Otherwise the second indicator to check 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 change the brake discs on your Mercedes Cla?
Finally, to conclude this content page we will fairly quickly show you how to change the brake discs of your Mercedes Cla. You must know that if you change the brake discs of your car, you will absolutely have to change the brake pads of your Mercedes Cla, don’t hesitate to seek advice from our content page which exposes you how to make this change.
As far as changing discs is concerned, here are the main steps to follow:
- Put your Mercedes Cla 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 make 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, change 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 have any further questions about the Mercedes Cla, do not hesitate to consult our Mercedes Cla category.
