What could possibly be more distressing than noises when you start your vehicle… Indeed, you maybe already discovered noises when you start your Mercedes Classe Glc and in general it’s frustrating. It may not be anything significant, but each new engine starts usually becomes a scary moment during which you don’t know if your engine will start. That is why our editorial staff has decided to create this document to help you find its source. To do this, first, we will see the case of noise when starting on Mercedes Classe Glc 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 acknowledge a noise when I try to start my Mercedes Classe Glc, but the engine doesn’t start
I find out a clicking noise at the start of my Mercedes Classe Glc
If you acknowledge a noise when you want to start your vehicle, and it does not want to turn on, it is likely that it is the battery that is causing the trouble. Indeed, if you acknowledge clicking noise when you start your Mercedes Classe Glc, and it sounds like a ticking, you most likely lack the energy to run your starter, test out your battery with a voltmeter and replace it if required. In the event that after verifying your battery, you still know a noise when starting your Mercedes Classe Glc and it does not want to start, refer to this article content about starter motor noises on Mercedes Classe Glc for more details and to locate the source of your trouble.
I notice a noise when I start my Mercedes Classe Glc but the engine it starts
I acknowledge a noise when I start my Mercedes Classe Glc
- Grinding or squealing type noises when I start cold Mercedes Classe Glc :
If you acknowledge a noise when you start your Mercedes Classe Glc, and this noise is like grinding or squealing noise, which can also be connected to vibrations, it is possible 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 details on the source of injection-related noises on Mercedes Classe Glc, see this article. - Cold start friction parts Mercedes Classe Glc :
If you perceive cold friction noises on Mercedes Classe Glc, it is practically 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 possible that the tensioner roller or damper pulley is worn out and that as a result the extension belt provoke a friction noise, often when cold. Visually check your belt and replace it if needed. If you have other friction noises, and it doesn’t originate from your serpentine belt, we have a full article content on engine of your Mercedes Classe Glc.
I acknowledge a noise when starting my Mercedes Classe Glc even when hot
- rubber mount / silent bloc dead motor
If you acknowledge a clacking noise when you start your car’s engine and it is more than 100,000 km long, it is possible that some of your engine silentblocks or rubber mounts are good to be changed. And the huge vibrations made by starting the engine can produce starting noise on Mercedes Classe Glc. Examine their condition and change them if needed. Consult this article content if you would like to have detailed details on rubber mount noises on Mercedes Classe Glc. - Motor flywheel
Finally, if you have a noise that sounds a little like a crank noise when you start your Mercedes Classe Glc, even when hot, it is possible that if your series is equipped with a dual-mass flywheel, it is the source 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 Classe Glc and when you turn off the engine. Have his condition checked out by a professional.
