Having a problem with your car is common, because sadly recent vehicles are more and more complex and consequently be subject to more and more possible breakdowns. On this page we’re going to try to help you to solve an injection problem on your Mercedes Benz S Class . This is a problem that is particularly bothersome because it can eventually bring your vehicle to non starting or damaged engine. To do this, first we will find out how injection works, then, what are the different problems that can exist on a Mercedes Benz S Class injectors , and at last, how to solve them.

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

So we commence our content by promptly detailing how an injection system works so that you have all the info you need to figure out the failure affiliated with it. < br>
The injection system of a Mercedes Benz S Class controls the fuel intake into the engine , it replaces the old carburettors. It has the benefit to be far 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 release the fuel in the form of micro-drops into the cylinders of your Mercedes Benz S Class. The benefit of fuel injection is to have a much more precise dosage than a carburettor and to allow a better air/fuel mixture and consequently a better combustion.

What are the different injection complications on Mercedes Benz S Class?

Now in this second part, we are going to explore the different injection complications and their manifestations that you may possibly face on your Mercedes Benz S Class .

Injection pump complications Mercedes Benz S Class

To begin, we will find out the injection pump complications on your Mercedes Benz S Class, there are not many of them, they are often recurrent 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 cause a bad air/fuel mixture and consequently a bad combustion and thus alter the behavior of the engine of your Mercedes Benz S Class.
  • Leakage from the injection pump of your Mercedes Benz S Class: If you have a significant leakage problem, the consequence 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

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Regarding the consequences and manifestations of a fuel pump problem on a Mercedes Benz S Class , you will undoubtedly feel, a lack of power, your engine grazing, dark smoke emissions…

Injectors complications Mercedes Benz S Class

Now we move on to the injector problems on Mercedes Benz S Class . Injectors are the end of your injection system, here are the different complications you may possibly encounter:

  • Dirty Mercedes Benz S Class injectors: This can happen due to poor fuel quality, they will let less fuel through or more if they are entirely clogged. So you will potentially have one or more cylinders that are not working effectively.
  • Leaky Mercedes Benz S 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 S Class HS: This is the case when your injectors are entirely clogged or when you have an electronic problem, it will not let anything go.

Regarding the signs of illness of injector complications on your Mercedes Benz S Class it is about the same as for a faulty injection pump. You may possibly encounter problems with starting, throttle response, power loss, and smoke emission.

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

To end our content page on the injection complications on Mercedes Benz S Class , we will try to give you the solutions that exist to solve these complications.
If after a precise analysis it’s your injection pump that is the main cause of your complications, it will sadly be very complicated to intervene on the trouble without replacing the part, this change often goes with the replacement of the injectors, and occasionally the tank, it will take between 2000 and 3000 euros for the whole, try to get some diagnostics and estimates before starting any repair.
Regarding a problem with an injector there are different solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Mercedes Benz S Class, do not hesitate 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 think twice to seek advice from our content on the injectors that leak on Mercedes Benz S Class, to have all the solutions available to you.
  • Injector HS: Finally, last solution, your injector is damaged or doesn’t work anymore, generally speaking, the replacement of an injector costs around 500 euros labor included.

To find more tips on the Mercedes Benz S Class, take a look at the Mercedes Benz S Class category.