What could possibly be more disturbing than noises when you start your vehicle… Indeed, you plausibly already found out noises when you start your Mercedes Classe C 2 and usually it’s frustrating. It might not be anything severe, but each new engine starts usually will turn into a scary moment during which you don’t know if your engine will start. That is why our team has chosen to prepare this content page to help you find its source. To do this, first, we will see the case of noise when starting on Mercedes Classe C 2 but the vehicle does not start, and finally, the noise you can experience on your vehicle if it starts, first cold and then hot.
I notice a noise when I try to start my Mercedes Classe C 2, but the engine doesn’t start
I acknowledge a clicking noise at the start of my Mercedes Classe C 2
If you notice a noise when you want to start your vehicle, and it does not want to turn on, it is very likely that it is the battery that is causing the issue. Indeed, if you listen to clicking noise when you start your Mercedes Classe C 2, and it sounds like a ticking, you almost certainly lack the energy to run your starter, check your battery with a voltmeter and change it if necessary. In the case that after looking at your battery, you still know a noise when starting your Mercedes Classe C 2 and it does not want to start, read this article content about starter motor noises on Mercedes Classe C 2 for more info and to find the origin of your issue.
I hear a noise when I start my Mercedes Classe C 2 but the engine it starts
I notice a noise when I start my Mercedes Classe C 2
- Grinding or squealing type noises when I start cold Mercedes Classe C 2 :
If you notice a noise when you start your Mercedes Classe C 2, and this noise looks like grinding or squealing noise, which can also be related 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 general performance of the engine will be altered. Examine the condition of your injectors and air intake system. For more info on the origin of injection-related noises on Mercedes Classe C 2, look at this piece of content. - Cold start friction parts Mercedes Classe C 2 :
If you experience cold friction noises on Mercedes Classe C 2, it is almost certain 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 triggers a friction noise, often when cold. Visually check your belt and change it if needed. If you have other friction noises, and it doesn’t come from your serpentine belt, we have a full article content on engine of your Mercedes Classe C 2.
I notice a noise when starting my Mercedes Classe C 2 even when hot
- rubber mount / silent bloc dead motor
If you notice a clacking noise just 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 dead. And the huge vibrations generated by starting the engine can generate starting noise on Mercedes Classe C 2. Examine their condition and change them if needed. Consult this article content if you would like to have detailed info on rubber mount noises on Mercedes Classe C 2. - Motor flywheel
Finally, if you discern a noise that sounds a little like a crank noise when you start your Mercedes Classe C 2, even when hot, it is conceivable that if your series is equipped with a dual-mass flywheel, it is the origin of your trouble. Indeed, these parts have created a lot of trouble on many automobiles. When they take part in the game they make noise when you start your Mercedes Classe C 2 and when you turn off the engine. Have his condition checked out by a mecanist.
