What could be more disturbing than noises when you start your automobile… Indeed, you plausibly previously came across noises when you start your Mercedes Benz GL Class and generally it’s frustrating. It could 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 team has made the decision to create this document to support you find its source. To do this, first, we will see the case of noise when starting on Mercedes Benz GL Class 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 acknowledge a noise when I try to start my Mercedes Benz GL Class, but the engine doesn’t start
I find a clicking noise at the start of my Mercedes Benz GL 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 causing the issue. Indeed, if you hear clicking noise when you start your Mercedes Benz GL Class, and it sounds like a ticking, you almost certainly lack the energy to run your starter, check your battery with a voltmeter and change it if necessary. In the event that after looking at your battery, you still experience a noise when starting your Mercedes Benz GL Class and it does not want to start, consult this content page about starter motor noises on Mercedes Benz GL Class for more information and to find the source of your issue.
I listen to a noise when I start my Mercedes Benz GL Class but the engine it starts
I acknowledge a noise when I start my Mercedes Benz GL Class
- Grinding or squealing type noises when I start cold Mercedes Benz GL Class :
If you acknowledge a noise when you start your Mercedes Benz GL Class, and this noise sounds like grinding or squealing noise, which can also be related to vibrations, it is plausible 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 running of the engine will be altered. Verify the condition of your injectors and air intake system. For more information on the source of injection-related noises on Mercedes Benz GL Class, read this content page. - Cold start friction parts Mercedes Benz GL Class :
If you perceive cold friction noises on Mercedes Benz GL 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 plausible that the tensioner roller or damper pulley is worn out and that as a result the extension belt causes a friction noise, often when cold. Visually verify 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 page on engine of your Mercedes Benz GL Class.
I acknowledge a noise when starting my Mercedes Benz GL Class even when hot
- rubber mount / silent bloc dead motor
If you acknowledge 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 produced by starting the engine can generate starting noise on Mercedes Benz GL Class. Verify their condition and swap them if needed. Read this content page if you would like to have detailed information on rubber mount noises on Mercedes Benz GL Class. - Motor flywheel
Finally, if you notice a noise that sounds a little like a crank noise when you start your Mercedes Benz GL Class, even when hot, it is plausible that if your series is equipped with a dual-mass flywheel, it is the source of your concerns. Indeed, these parts have created a lot of concerns on many cars. When they take part in the game they generate noise when you start your Mercedes Benz GL Class and when you turn off the engine. Have his condition inspected by a professional.