Having a problem with your motor vehicle is basic, because sadly recent automobiles are more and more complex and consequently exposed to more and more possible breakdowns. In this article we’re going to try to help you to resolve an injection problem on your Mercedes C class . This is a problem that is especially frustrating because it can sooner or later bring your car to non starting or broken engine unit. To achieve this, first we will see how injection works, then, what are the different problems that can exist on a Mercedes C class injectors , and at last, how to resolve them.

injection-problem-mercedes-c-class

What is the aim of the injection of a Mercedes C class?

So we commence our content page by quickly explaining how an injection system works so that you have all the information you need to discover the failure associated with it. < br>
The injection system of a Mercedes C class controls the fuel intake into the engine unit , it replaces the old carburettors. It has the benefit to be far more precise and to come, under pressure, to launch the fuel in the engine unit. 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 C class. The benefit of fuel injection is to have a much more precise dosage than a carburettor and to enable a better air/fuel mixture and consequently a better combustion.

What are the different injection problems on Mercedes C class?

Now in this second component, we are going to explore the different injection problems and their manifestations that you might come across on your Mercedes C class .

Injection pump problems Mercedes C class

To begin, we will see the injection pump problems on your Mercedes C class, there are not many of them, they are often chronic but we will highlight them down below:

  • Electronic problem of the high pressure pump: If you have an electronic problem, the pressure in your injection system may be too high or too low which will cause a bad air/fuel mixture and consequently a bad combustion and thus alter the performance of the engine unit of your Mercedes C class.
  • Leakage from the injection pump of your Mercedes 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 consequently the combustion of your fuel will not be good

.
Regarding the outcomes and manifestations of a fuel pump problem on a Mercedes C class , you will obviously experience, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors problems Mercedes C class

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

  • Dirty Mercedes C class injectors: This can happen because of poor fuel quality, they will let less fuel through or more if they are entirely clogged. So you will possibly have one or more cylinders that are not working effectively.
  • Leaky Mercedes 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 C class HS: This is the circumstance when your injectors are entirely 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 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 solve an injection problem on a Mercedes C class?

To finish our content on the injection problems on Mercedes C class , we will try to give you the solutions that exist to resolve these problems.
If after a precise investigation it’s your injection pump that is the main cause of your problems, it will sadly be very difficult to intervene on the problem without replacing the component, 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 several diagnostics and estimates before starting any repair.
Regarding a problem with an injector there are various solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Mercedes C class, do not hesitate to consult our content page on this subject to get the procedure. If it doesn’t work, you will have to change them.
  • Leaky injector: The replace and the purchase of a joint kit will only cost you a few tens of euros, but you still need to have the ability to replace it, do not think twice to consult our content page on the injectors that leak on Mercedes C class, to have all the solutions available to you.
  • Injector HS: Finally, last remedy, your injector is broken or doesn’t work anymore, generally speaking, the replacement of an injector costs around 500 euros labor included.

Whenever you have any additional questions about the Mercedes C class, do not hesitate to consult our Mercedes C class category.