What could possibly be more annoying than noises when you start your vehicle… Indeed, you probably previously came across noises when you start your Mercedes C class and generally it’s frustrating. It might not be anything critical, but each new engine starts usually turns into a scary moment during which you don’t know if your engine will start. That is why our team has made the decision to create this article to help you find its source. To do this, first, we will see the case of noise when starting on Mercedes C class but the vehicle does not start, and finally, the noise you can encounter on your vehicle if it starts, first cold and then hot.
I listen a noise when I try to start my Mercedes C class, but the engine doesn’t start
I identify a clicking noise at the start of my Mercedes C class
If you listen a noise when you want to start your vehicle, and it does not want to turn on, it is most likely that it is the battery that is causing the trouble. Indeed, if you acknowledge clicking noise when you start your Mercedes C class, and it sounds like a ticking, you probably lack the energy to run your starter, check your battery with a voltmeter and swap it if necessary. In the event that after looking at your battery, you still experience a noise when starting your Mercedes C class and it does not want to start, read this content about starter motor noises on Mercedes C class for more info and to find the origin of your trouble.
I acknowledge a noise when I start my Mercedes C class but the engine it starts
I listen a noise when I start my Mercedes C class
- Grinding or squealing type noises when I start cold Mercedes C class :
If you listen a noise when you start your Mercedes C class, and this noise is like grinding or squealing noise, which can also be relating to vibrations, it is conceivable that it is the combustion of your vehicle that is involved. Indeed if you have an air/fuel mixture that is not good the normal performance of the engine will be altered. Examine the condition of your injectors and air intake system. For more info on the origins of injection-related noises on Mercedes C class, consult this article. - Cold start friction parts Mercedes C class :
If you know cold friction noises on Mercedes C class, it is pretty much sure that they come from one of your belts. Either the serpentine belt starts to wear out and therefore causes a friction noise. It is also conceivable that the tensioner roller or damper pulley is worn out and that as a result the extension belt causes a friction noise, often when cold. Visually verify your belt and swap it if necessary. If you have other friction noises, and it doesn’t originate from your serpentine belt, we have a full content on engine of your Mercedes C class.
I listen a noise when starting my Mercedes C class even when hot
- rubber mount / silent bloc dead motor
If you listen a clacking noise when you start your car’s engine and it is more than 100,000 km long, it is conceivable that some of your engine silentblocks or rubber mounts are good to be changed. And the huge vibrations made by starting the engine can generate starting noise on Mercedes C class. Examine their condition and swap them if necessary. Browse this content if you would like to have detailed info on rubber mount noises on Mercedes C class. - Motor flywheel
Finally, if you notice a noise that sounds a little like a crank noise when you start your Mercedes C class, even when hot, it is conceivable that if your series is equipped with a dual-mass flywheel, it is the origin of your problems. Indeed, these parts have created a lot of problems on many cars. When they take part in the game they generate noise when you start your Mercedes C class and when you turn off the engine. Have his condition checked out by a mecanist.
