What could be more disturbing than noises when you start your car… Indeed, you probably already found out noises when you start your Mercedes Benz GLA Class and generally it’s frustrating. It could not be anything critical, 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 team has chosen to compose this content to help you find its origin. To do this, first, we will see the case of noise when starting on Mercedes Benz GLA Class but the car does not start, and finally, the noise you can encounter on your car if it starts, first cold and then hot.
I listen a noise when I try to start my Mercedes Benz GLA Class, but the engine doesn’t start
I perceive a clicking noise at the start of my Mercedes Benz GLA Class
If you listen a noise when you want to start your car, 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 Benz GLA Class, and it sounds like a ticking, you probably lack the energy to run your starter, test out your battery with a voltmeter and swap it if necessary. In the case that after checking out your battery, you still encounter a noise when starting your Mercedes Benz GLA Class and it does not want to start, refer to this content page about starter motor noises on Mercedes Benz GLA Class for more details and to locate the origin of your problem.
I notice a noise when I start my Mercedes Benz GLA Class but the engine it starts
I listen a noise when I start my Mercedes Benz GLA Class
- Grinding or squealing type noises when I start cold Mercedes Benz GLA Class :
If you listen a noise when you start your Mercedes Benz GLA Class, and this noise looks like grinding or squealing noise, which can also be linked 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 performance of the engine will be altered. Examine the state of your injectors and air intake system. For more details on the origins of injection-related noises on Mercedes Benz GLA Class, consult this article content. - Cold start friction parts Mercedes Benz GLA Class :
If you notice cold friction noises on Mercedes Benz GLA Class, it is pretty much certain 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 make a friction noise, often when cold. Visually check your belt and swap it if required. 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 Benz GLA Class.
I listen a noise when starting my Mercedes Benz GLA 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 plausible that some of your engine silentblocks or rubber mounts are good to be changed. And the huge vibrations made by starting the engine can generate starting noise on Mercedes Benz GLA Class. Examine their state and replace them if required. Consult this content page if you would like to have detailed details on rubber mount noises on Mercedes Benz GLA Class. - Motor flywheel
Finally, if you have a noise that sounds a little like a crank noise when you start your Mercedes Benz GLA Class, even when hot, it is plausible 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 cars. When they take part in the game they make noise when you start your Mercedes Benz GLA Class and when you turn off the engine. Have his state inspected by a specialist.
