What could be more annoying than noises when you start your automobile… Indeed, you maybe already noticed noises when you start your Mercedes Gla and generally it’s frustrating. It may not be anything critical, 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 editorial staff has decided to produce this article to help you find its origin. To do this, first, we will see the case of noise when starting on Mercedes Gla 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 acknowledge a noise when I try to start my Mercedes Gla, but the engine doesn’t start
I notice a clicking noise at the start of my Mercedes Gla
If you acknowledge a noise when you want to start your automobile, and it does not want to turn on, it is most likely that it is the battery that is triggering the problem. Indeed, if you notice clicking noise when you start your Mercedes Gla, and it sounds like a ticking, you probably lack the energy to run your starter, check your battery with a voltmeter and replace it if necessary. In case that after looking at your battery, you still experience a noise when starting your Mercedes Gla and it does not want to start, refer to this content page about starter motor noises on Mercedes Gla for more details and to locate the origin of your problem.
I perceive a noise when I start my Mercedes Gla but the engine it starts
I acknowledge a noise when I start my Mercedes Gla
- Grinding or squealing type noises when I start cold Mercedes Gla :
If you acknowledge a noise when you start your Mercedes Gla, 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 general performance of the engine will be altered. Verify the condition of your injectors and air intake system. For more details on the origins of injection-related noises on Mercedes Gla, check out this piece of content. - Cold start friction parts Mercedes Gla :
If you encounter cold friction noises on Mercedes Gla, it is practically 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 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 result from your serpentine belt, we have a full content page on engine of your Mercedes Gla.
I acknowledge a noise when starting my Mercedes Gla 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 plausible that some of your engine silentblocks or rubber mounts are good to be changed. And the huge vibrations generated by starting the engine can create starting noise on Mercedes Gla. Verify their condition and replace them if needed. Consult this content page if you would like to have detailed details on rubber mount noises on Mercedes Gla. - Motor flywheel
Finally, if you experience a noise that sounds a little like a crank noise when you start your Mercedes Gla, 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 cars. When they take part in the game they produce noise when you start your Mercedes Gla and when you turn off the engine. Have his condition checked by a mecanist.
