What could be more frustrating than noises when you start your car… Indeed, you maybe already noticed noises when you start your Mercedes Classe G 3 and in general it’s frustrating. It may not be anything severe, but each new engine starts usually turns into 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 content page to support you find its origin. To do this, first, we will see the case of noise when starting on Mercedes Classe G 3 but the car does not start, and finally, the noise you can feel on your car if it starts, first cold and then hot.
I experience a noise when I try to start my Mercedes Classe G 3, but the engine doesn’t start
I acknowledge a clicking noise at the start of my Mercedes Classe G 3
If you experience a noise when you want to start your car, 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 Classe G 3, 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 checking out your battery, you still encounter a noise when starting your Mercedes Classe G 3 and it does not want to start, read this content about starter motor noises on Mercedes Classe G 3 for more info and to find the origin of your issue.
I experience a noise when I start my Mercedes Classe G 3 but the engine it starts
I experience a noise when I start my Mercedes Classe G 3
- Grinding or squealing type noises when I start cold Mercedes Classe G 3 :
If you experience a noise when you start your Mercedes Classe G 3, and this noise is like grinding or squealing noise, which can also be connected to vibrations, it is plausible that it is the combustion of your car 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. Check the condition of your injectors and air intake system. For more info on the source of injection-related noises on Mercedes Classe G 3, consult this content. - Cold start friction parts Mercedes Classe G 3 :
If you know cold friction noises on Mercedes Classe G 3, it is almost 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 plausible 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 replace it if needed. If you have other friction noises, and it doesn’t come from your serpentine belt, we have a full content on engine of your Mercedes Classe G 3.
I experience a noise when starting my Mercedes Classe G 3 even when hot
- rubber mount / silent bloc dead motor
If you experience 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 dead. And the huge vibrations made by starting the engine can create starting noise on Mercedes Classe G 3. Check their condition and swap them if needed. Read this content if you would like to have detailed info on rubber mount noises on Mercedes Classe G 3. - Motor flywheel
Finally, if you discern a noise that sounds a little like a crank noise when you start your Mercedes Classe G 3, even when hot, it is plausible that if your series is equipped with a dual-mass flywheel, it is the origin of your problems. Indeed, these parts have created a lot of problems on many vehicles. When they take part in the game they make noise when you start your Mercedes Classe G 3 and when you turn off the engine. Have his condition inspected by a mecanist.
