Distinguishing abnormal engine behaviour on his car is not a good signal. In reality, the engine unit is the main organ of your car and any sign of a failure must be identified straightaway and you must look for the reason of this sympton. If you are ever in the circumstance where your Mercedes C class no longer accelerates, whether uphill or downhill, we have created this file to help you discover the cause of your malfunction. To achieve this, we will review the majority of the factors that may justified your Mercedes C class not accelerating properly.

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My Mercedes C class no longer accelerates properly because of ignition:

Let’s commence our list of the triggers that can induce your Mercedes C class to stop accelerating properly. One of the most common triggers is that your ignition does not work properly. We talk about ignition, but we can also generalize the malfunction to the ECU which itself can transmit bad information that will disturb your ignition. It can happen that your Mercedes C class has been put in safety, do not hesitate to browse this content page for more details. To check that one of these trouble is not the reason why your car no longer accelerates, you will need to run your Mercedes C class through the diagnostic tool. Additionally, you can check the condition of your ignition coils, if you have several of them and one is defective it can make clear the acceleration holes you feel, if you simply have one in normal situations your Mercedes C class should not start.

My Mercedes C class no longer accelerates smoothly because of the injectors:

Let’s give attention to the concerns with the injectors in your Mercedes C class. If you have the feeling that your vehicle is sputtering, that it undergoes a loss of power, it is reasonably likely that because of a bad fuel quality one or more of your injectors have obstructed or congested, which brings about a bad air/fuel mixture sent to the engine and which will therefore automatically affect its normal performance, do not forget to check the condition of your injectors. If during the test you find that one of your injectors is leaking on your Mercedes C class, do not hesitate to read our small content page to solve this failure.

My Mercedes C class no longer accelerate as before because of the accelerator cable:

Another likely justification for the fact that your vehicle no longer accelerates, whether you are driving, stationary, hot, cold or accelerating, is a distinct wear of your accelerator cable. If the accelerator cable is getting old and tear, it will not slide correctly in its sheath and will create a loss of power, check the condition of wear.

My Mercedes C class no longer accelerate because of the clutch:

One of the traditional triggers of a Mercedes C class not accelerating when hitting the gas pedal, or not moving forward, is that your clutch disc is outdated. In reality, the task of the clutch is to transmit the energy from the engine to the gearbox which will then transmit it to the wheels. If this disc is “smooth”, you will no longer be able to transmit this power to the wheels and you will find that your Mercedes C class no longer accelerates, or at least, the engine may rev up, but the speed of your vehicle will have difficulty increasing. Browse through our content page on the clutch that slips on Mercedes C class, to evaluate yours and check that it is not the reason of your malfunction.

I do feel a loss of power when I accelerate with my Mercedes C class because of the fuel filter:

As much as the fuel filter is concerned, we are dealing with the same type of trouble as clogged injectors. If your Mercedes C class no longer accelerates and you have the impression that it is sputtering or that you have drops when accelerating, it is conceivable that your fuel filter is clogged. The consequence would be that your complete intake unit is idling and therefore your engine unit lacks the fuel supply to run normally. Don’t hesitate to check it and replace it if appropriate. In the event you have the impression that your motor vehicle rises in revs by itself, read through this content page it could support you to discover the cause.

My Mercedes C class does not accelerate any more because of the particulates filter:

The last explanation for a car not accelerating, comes from your exhaust system. Today’s cars are built with an increasing number of options to limit pollution emissions, the particulate filter is part of this system. However, according to your use, it is possible that it can become clogged and blocked. Especially if you make short journeys and can mount your car in the RPM. In this instance it is possible that your particle filter gets clogged and that your Mercedes C class does not accelerate anymore. Get it inspected out.

My Mercedes C class does no longer accelerate because of a punctured hose:

To conclude, last justification, and undoubtedly the least annoying for you, it is possible that one of your fuel or air intake hoses is punctured or cracked and that it triggers a lack of air or fuel which will bring about a car which does not accelerate any more, check beneath your bonnet, engine running, the level of wear of your hoses, be careful not to burn yourself. If ever you are in this circumstance, it is possible that your Mercedes C class does not hold idle, in this case consult our content page to handle in depth the dysfunction.

If you want more tutorials on the Mercedes C class, go to our Mercedes C class category.