From the moment you descend below a particular speed your car starts to slow down and quite often even the engine stops for no obvious reason?
It seems obvious that this is abnormal. In this article we will try to offer an answer so that you can see more clearly before potentially going to the garage and get a steep bill to repair your Mercedes C class.
However, if this happens when driving at rather high speeds, do not take any more pointless risks. Call a professional urgently. Imagine that this happens to you on the ring road or highway….
First thing to consider, and it may seem odd, but it has occurred to some people before: Do you get fuel all the time at the same pump for your Mercedes C class? In this case, it could come from there. Try changing gas pumps, and see what happens. This is improbable but it doesn’t cost much to try it. The fuel you get from here may very well contain dirt or impurities that harm your Mercedes C class’s engine.
If nothing changes, let’s take a look at the more technical causes you are exposed to on your Mercedes C class.


Electronic part of your Mercedes C class :

The first element is the MCU (Motor Control Unit) box. You may ask yourself what this piece is. In a few words , it is a metal box consisting of a multitude of electronic elements whose functionality is to receive electrical signals, processing these data, and sending information to the various parts of your Mercedes C class. It is a platform to manage your car’s information.
As you have understood, if it were to not work properly, the consequences could be serious for your Mercedes C class. A motor that stops can be a symptom.
Apart from that, check out the engine speed sensor side, or the onboard computer. It is a platform for exchanging calculations and is therefore essential to the engine.

Another most likely targeted box is the built-in systems interface, which centralizes all the information from the multiple sensors throughout your vehicle. It functions as a relay platform for all your calculators. It is equivalent in some ways to a computer motherboard. So you figure out the importance of this on your Mercedes C class.
As to sensors, also consider your TDC sensor.Its role is to send information to the calculators regarding the position of the pistons in order to determine the engine speed, which will then assess the fuel injection.
Last but not least, consider your alternator, which would no longer allow your Mercedes C class to be powered. Same concern if it originated from the ignition coil.
Finally, because this case is much rarer, it might happen that a wire or connection is harmed, and your computer could no longer function properly.
So here’s for the electronic causes. Let’s now look at the mechanics on your Mercedes C class.

Mechanical part of your Mercedes C class :

First, only a blocked filter can disrupt the life of your engine. Remember to clean it regularly. The injection pump, or even the pressure regulator, are also parts to be examined.
The idle actuator could also very well be involved .
Its role is to regulate the engine speed within the total idle control of the engine management system. ThereforeInstantly affecting the engine .
Another factor, more rare but also possible, is Neiman’s contactor. It is what allows to lock the steering wheel for security when the ignition is turned off. It is related to the engine so a failure could also have consequences on the Mercedes C class’s engine.

Here are the main motives, whether electronic or mechanical, that might lead to your Mercedes C class to slow down.
In a few words, first verify the simplest things, dirty pieces, then find out about the electronic parts that may be involved.
If you were about to start fixing on your own, be really thorough on what you do, there is no alternative for the expertise of a professional.

To get more tips on the Mercedes C class, take a look at the Mercedes C class category.