What can be more disturbing than noises when you start your automobile… In fact, you maybe previously discovered noises when you start your Mercedes Classe A 4 and usually it’s frustrating. It may not be anything significant, 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 made the decision to produce this article to support you find its origin. To do this, first, we will see the case of noise when starting on Mercedes Classe A 4 but the automobile does not start, and finally, the noise you can encounter on your automobile if it starts, first cold and then hot.
I listen a noise when I try to start my Mercedes Classe A 4, but the engine doesn’t start
I pay attention to a clicking noise at the start of my Mercedes Classe A 4
If you listen a noise when you want to start your automobile, and it does not want to turn on, it is likely that it is the battery that is contributing to the trouble. In fact, if you acknowledge clicking noise when you start your Mercedes Classe A 4, and it sounds like a ticking, you probably lack the energy to run your starter, test out your battery with a voltmeter and change it if necessary. In the event that after checking out your battery, you still experience a noise when starting your Mercedes Classe A 4 and it does not want to start, read this article about starter motor noises on Mercedes Classe A 4 for more info and to find the source of your trouble.
I experience a noise when I start my Mercedes Classe A 4 but the engine it starts
I listen a noise when I start my Mercedes Classe A 4
- Grinding or squealing type noises when I start cold Mercedes Classe A 4 :
If you listen a noise when you start your Mercedes Classe A 4, and this noise looks like grinding or squealing noise, which can also be relating to vibrations, it is plausible that it is the combustion of your automobile that is involved. In fact if you have an air/fuel mixture that is not good the normal running of the engine will be altered. Check the condition of your injectors and air intake system. For more info on the origin of injection-related noises on Mercedes Classe A 4, browse this article content. - Cold start friction parts Mercedes Classe A 4 :
If you encounter cold friction noises on Mercedes Classe A 4, it is pretty much sure that they come from one of your belts. Either the serpentine belt starts to wear out and therefore triggers a friction noise. It is also plausible that the tensioner roller or damper pulley is worn out and that as a result the extension belt make a friction noise, often when cold. Visually check your belt and change it if necessary. If you have other friction noises, and it doesn’t result from your serpentine belt, we have a full article on engine of your Mercedes Classe A 4.
I listen a noise when starting my Mercedes Classe A 4 even when hot
- rubber mount / silent bloc dead motor
If you listen a clacking noise just as you start your car’s engine and it is more than 100,000 km long, it is plausible that some of your engine silentblocks or rubber mounts are expired. And the huge vibrations made by starting the engine can make starting noise on Mercedes Classe A 4. Check their condition and replace them if necessary. Browse this article if you would like to have detailed info on rubber mount noises on Mercedes Classe A 4. - Motor flywheel
Finally, if you hear a noise that sounds a little like a crank noise when you start your Mercedes Classe A 4, even when hot, it is plausible that if your series is equipped with a dual-mass flywheel, it is the source of your concerns. In fact, these parts have created a lot of concerns on many cars. When they take part in the game they produce noise when you start your Mercedes Classe A 4 and when you turn off the engine. Have his condition examined by a specialist.
