What could be more annoying than noises when you start your automobile… In fact, you maybe previously noticed noises when you start your Mercedes Benz CLS Class 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 editorial staff has decided to compose this document to support you find its source. To do this, first, we will see the case of noise when starting on Mercedes Benz CLS Class but the automobile does not start, and finally, the noise you can feel on your automobile if it starts, first cold and then hot.
I listen a noise when I try to start my Mercedes Benz CLS Class, but the engine doesn’t start
I notice a clicking noise at the start of my Mercedes Benz CLS Class
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 issue. In fact, if you notice clicking noise when you start your Mercedes Benz CLS Class, and it sounds like a ticking, you most likely lack the energy to run your starter, check your battery with a voltmeter and change it if required. In the event that after looking at your battery, you still encounter a noise when starting your Mercedes Benz CLS Class and it does not want to start, consult this content about starter motor noises on Mercedes Benz CLS Class for more details and to locate the source of your issue.
I perceive a noise when I start my Mercedes Benz CLS Class but the engine it starts
I listen a noise when I start my Mercedes Benz CLS Class
- Grinding or squealing type noises when I start cold Mercedes Benz CLS Class :
If you listen a noise when you start your Mercedes Benz CLS Class, and this noise looks like grinding or squealing noise, which can also be linked to vibrations, it is possible 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 general performance of the engine will be altered. Examine the condition of your injectors and air intake system. For more details on the origin of injection-related noises on Mercedes Benz CLS Class, see this piece of content. - Cold start friction parts Mercedes Benz CLS Class :
If you perceive cold friction noises on Mercedes Benz CLS Class, it is practically 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 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 change it if needed. 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 Benz CLS Class.
I listen a noise when starting my Mercedes Benz CLS Class 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 possible that some of your engine silentblocks or rubber mounts are good to be replaced. And the huge vibrations made by starting the engine can create starting noise on Mercedes Benz CLS Class. Examine their condition and change them if needed. Read this content if you would like to have detailed details on rubber mount noises on Mercedes Benz CLS Class. - Motor flywheel
Finally, if you hear a noise that sounds a little like a crank noise when you start your Mercedes Benz CLS Class, even when hot, it is possible that if your series is equipped with a dual-mass flywheel, it is the source of your trouble. In fact, 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 Benz CLS Class and when you turn off the engine. Have his condition examined by a professional.
