Having a problem with your motor vehicle is basic, because sadly recent automobiles are more and more difficult and therefore be subject to more and more possible breakdowns. In this article we’re going to try to help you to fix an injection problem on your Mercedes Benz C Class . This is a problem that is specially annoying because it can ultimately bring your vehicle to non starting or broken engine. To do this, first we will see how injection works, then, what are the different problems that can exist on a Mercedes Benz C Class injectors , and at last, how to fix them.

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What is the aim of the injection of a Mercedes Benz C Class?

So we start our content by quickly explaining how an injection system works so that you have all the information you need to understand the failure affiliated with it. < br>
The injection system of a Mercedes Benz C Class manages the fuel intake into the engine , it replaces the old carburettors. It has the advantage to be a lot more precise and to come, under pressure, to discharge the fuel in the engine. The injection pump takes care of pressurizing the fuel and transferring it to the injectors, and the injectors will relieve the fuel in the form of micro-drops into the cylinders of your Mercedes Benz C Class. The advantage of fuel injection is to have a much more precise dosage than a carburettor and to enable a better air/fuel mixture and therefore a better combustion.

What are the different injection problems on Mercedes Benz C Class?

Now in this second part, we are going to see the different injection problems and their symptoms that you might encounter on your Mercedes Benz C Class .

Injection pump problems Mercedes Benz C Class

To commence, we will see the injection pump problems on your Mercedes Benz C Class, there are not many of them, they are often chronic but we will outline them below:

  • Electronic problem of the high pressure pump: If you have an electronic problem, the pressure in your injection system might be too high or too low which will bring about a bad air/fuel mixture and therefore a bad combustion and thus alter the behavior of the engine of your Mercedes Benz C Class.
  • Leakage from the injection pump of your Mercedes Benz C Class: If you have a significant leakage problem, the end result will be much the same as if you have a lack of pressure, you will not have enough pressure and therefore the combustion of your fuel will not be good

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Concerning the consequences and symptoms of a fuel pump problem on a Mercedes Benz C Class , you will certainly experience, a lack of power, your engine grazing, dark smoke emissions…

Injectors problems Mercedes Benz C Class

Now we move on to the injector problems on Mercedes Benz C Class . Injectors represent the end of your injection system, here are the different problems you might encounter:

  • Dirty Mercedes Benz C Class injectors: This can happen as a result of poor fuel quality, they will let less fuel through or more if they are totally clogged. So you will probably have one or more cylinders that are not functioning effectively.
  • Leaky Mercedes Benz C Class injector: It’s often at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Mercedes Benz C Class HS: This is the circumstance when your injectors are totally clogged or when you have an electronic problem, it will not let anything go.

Concerning the signs of illness of injector problems on your Mercedes Benz C Class it is about the same as for a faulty injection pump. You might experience problems with starting, throttle response, power loss, and smoke emission.

How to get rid of an injection problem on a Mercedes Benz C Class?

To end our article content on the injection problems on Mercedes Benz C Class , we will try to give you the solutions that exist to fix these problems.
If after a precise analysis it’s your injection pump that is the source of your problems, it will sadly be very difficult to intervene on the trouble without changing the part, this change often goes with the replacement of the injectors, and sometimes the tank, it will take between 2000 and 3000 euros for the whole, try to get some diagnostics and estimates before starting any repair.
Concerning a problem with an injector there are various solutions depending on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Mercedes Benz C Class, do not be reluctant to seek advice from our content on this subject to get the procedure. If it doesn’t work, you will have to replace them.
  • Leaky injector: The change and the purchase of a joint kit will only cost you a few tens of euros, but you still need to be able to change it, do not hesitate to seek advice from our content on the injectors that leak on Mercedes Benz C Class, to have all the solutions available to you.
  • Injector HS: Finally, last solution, your injector is broken or doesn’t work anymore, in general, the replacement of an injector costs around 500 euros labor included.

If you need more guides on the Mercedes Benz C Class, go to our Mercedes Benz C Class category.