Recent vehicles represent an evergrowing budget, whether it is caused by service or the unforeseen breakdowns relating to all the new technology built into cars. We are likely to stress fairly quickly about the slightest indicator of weakness, and that is a good thing, because a problem on a Mercedes Classe B has to be dealt with as soon as possible, in any other case it will get worse and affect ancillary components. In this article we are going to see the solutions available to you if you are victim of a Mercedes Classe B that vibrates at idle. First we will try to understand why your Mercedes Classe B is vibrating when idle, and secondly what to do if it you have vibrations idle.

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Why is my Mercedes Classe B having idle vibrations?

So we commence our content with the triggers of a Mercedes Classe B that vibrates at idle. For this we will have to examine the components that can cause this tremor. We will mainly focus on the fact that your Mercedes Classe B only shakes at idle, if you feel vibrations at acceleration on Mercedes Classe B vibrations don’t hesitate to have a look at our content which relates to this issue. We can already eliminate some parts as possible in charge of this problem. In fact, as you are at a standstill, usually in neutral, we can already clear the vehicle’s transmission, running gear, bearings, suspensions, clutch and flywheel. You should be informed, however, that diesel engines are likely to vibrate much more than petrol engines, especially older vehicles.
Nevertheless, the bad information is that the reason your Mercedes Classe B is shaking at idle is direct in connection with your engine. The main motives of this vibration are often in connection with the fuel supply of the car, the ignition or the engine silent blocks. Here are the main sources of this vibration and their repercussions on the performance of your Mercedes Classe B:

  • Injection: If the injection of your car is damaged and it causes trembling, you should experience some kind of coupling in the engine, as if the car was grazing.
  • Ignition: If, on the other hand, it is the ignition of your car that is in trouble, whether it comes from a spark plug or the complete ignition, you will experience problems in the performance of your engine unit. In reality, there will be sparks that don’t occur and it may be that one or more of your cylinders doesn’t function.
  • Engine silent blocks: The least bothersome trigger of a Mercedes Classe B shaking at idle is surely the engine silent blocks. They are a kind of soft plastic pad that dampen all vibrations and shaking of your car’s engine. When they wear out, they are likely to lose their objective and consequently the vibrations brought on by your engine intensify

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What if my Mercedes Classe B is vibrating at idle?

Let’s proceed to the next step, now that you have been able to find the origins of your issue or at least to lower the possible causes, we will explain to you that there are solutions available to get rid of each of these problems.

  • Injection: If your injection is the trigger, the first thing to do will be to use a strong cleaning product that you will add to your fuel, it will cost you about ten euros, but if the issue is modest and only a few impurities block their proper operation, you can cure it without going to your garage. If this is not enough, you will have to reflect on a complete cleaning of the injection
  • Ignition: If it is your ignition that is causing your Mercedes Classe B’s idle vibrations, you will have to pass the car through the diagnostic kit to get more information on the exact issue. And consider a replacement of malfunctioning parts, or an ECU adjustment
  • Motor Silent Blocks: The last cause of vibration at standstill on your Mercedes Classe B is that the vibration arises from your motor silent blocks. This is the repair that will cost you the least. In reality, changing silent blocks should not cost you more than 200€, go to your garage to make this change and prevent your Mercedes Classe B from shaking at idle.

Here are the main causes and answers to remedy your issue of vibration at idle on Mercedes Classe B, if additionally to shaking it does not hold idle, do not hesitate to consult our article on this problem.

If you have any additional questions about the Mercedes Classe B, do not hesitate to consult our Mercedes Classe B category.