What could possibly be more frustrating than noises when you start your automobile… Indeed, you maybe previously noticed noises when you start your Mercedes Benz GLS Class and in general it’s frustrating. It might 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 team has decided to compose this article to help you find its origin. To do this, first, we will see the case of noise when starting on Mercedes Benz GLS Class but the automobile does not start, and finally, the noise you can experience on your automobile if it starts, first cold and then hot.
I acknowledge a noise when I try to start my Mercedes Benz GLS Class, but the engine doesn’t start
I detect a clicking noise at the start of my Mercedes Benz GLS Class
If you acknowledge a noise when you want to start your automobile, and it does not want to turn on, it is very likely that it is the battery that is triggering the issue. Indeed, if you hear clicking noise when you start your Mercedes Benz GLS Class, and it sounds like a ticking, you most likely lack the energy to run your starter, check your battery with a voltmeter and replace it if required. In the case that after looking at your battery, you still experience a noise when starting your Mercedes Benz GLS Class and it does not want to start, consult this content about starter motor noises on Mercedes Benz GLS Class for more details and to find the origin of your issue.
I acknowledge a noise when I start my Mercedes Benz GLS Class but the engine it starts
I acknowledge a noise when I start my Mercedes Benz GLS Class
- Grinding or squealing type noises when I start cold Mercedes Benz GLS Class :
If you acknowledge a noise when you start your Mercedes Benz GLS Class, and this noise sounds like grinding or squealing noise, which can also be connected to vibrations, it is possible that it is the combustion of your automobile 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 state of your injectors and air intake system. For more details on the source of injection-related noises on Mercedes Benz GLS Class, see this content page. - Cold start friction parts Mercedes Benz GLS Class :
If you perceive cold friction noises on Mercedes Benz GLS Class, 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 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 examine your belt and replace it if needed. If you have other friction noises, and it doesn’t result from your serpentine belt, we have a full content on engine of your Mercedes Benz GLS Class.
I acknowledge a noise when starting my Mercedes Benz GLS Class 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 dead. And the huge vibrations made by starting the engine can create starting noise on Mercedes Benz GLS Class. Examine their state and swap them if needed. Browse this content if you would like to have detailed details on rubber mount noises on Mercedes Benz GLS Class. - Motor flywheel
Finally, if you notice a noise that sounds a little like a crank noise when you start your Mercedes Benz GLS Class, even when hot, it is possible that if your series is equipped with a dual-mass flywheel, it is the origin of your concerns. Indeed, these parts have created a lot of concerns on many automobiles. When they take part in the game they produce noise when you start your Mercedes Benz GLS Class and when you turn off the engine. Have his state inspected by a professional.
