What could possibly be more annoying than noises when you start your vehicle… Indeed, you plausibly already listened to noises when you start your Mercedes Classe E 5 and in general it’s frustrating. It may not be anything severe, 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 write this content to support you find its origin. To do this, first, we will see the case of noise when starting on Mercedes Classe E 5 but the vehicle does not start, and finally, the noise you can experience on your vehicle if it starts, first cold and then hot.
I listen a noise when I try to start my Mercedes Classe E 5, but the engine doesn’t start
I find a clicking noise at the start of my Mercedes Classe E 5
If you listen a noise when you want to start your vehicle, and it does not want to turn on, it is very likely that it is the battery that is triggering the trouble. Indeed, if you perceive clicking noise when you start your Mercedes Classe E 5, and it sounds like a ticking, you almost certainly lack the energy to run your starter, test your battery with a voltmeter and change it if necessary. In the case that after verifying your battery, you still experience a noise when starting your Mercedes Classe E 5 and it does not want to start, refer to this content page about starter motor noises on Mercedes Classe E 5 for more details and to discover the source of your trouble.
I listen to a noise when I start my Mercedes Classe E 5 but the engine it starts
I listen a noise when I start my Mercedes Classe E 5
- Grinding or squealing type noises when I start cold Mercedes Classe E 5 :
If you listen a noise when you start your Mercedes Classe E 5, and this noise sounds like grinding or squealing noise, which can also be relating to vibrations, it is conceivable that it is the combustion of your vehicle 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 source of injection-related noises on Mercedes Classe E 5, read this article. - Cold start friction parts Mercedes Classe E 5 :
If you perceive cold friction noises on Mercedes Classe E 5, 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 conceivable 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 check your belt and change 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 Classe E 5.
I listen a noise when starting my Mercedes Classe E 5 even when hot
- rubber mount / silent bloc dead motor
If you listen a clacking noise just when you start your car’s engine and it is more than 100,000 km long, it is conceivable that some of your engine silentblocks or rubber mounts are good to be changed. And the huge vibrations produced by starting the engine can produce starting noise on Mercedes Classe E 5. Verify their condition and swap them if needed. Consult this content page if you would like to have detailed details on rubber mount noises on Mercedes Classe E 5. - Motor flywheel
Finally, if you have a noise that sounds a little like a crank noise when you start your Mercedes Classe E 5, even when hot, it is conceivable that if your series is equipped with a dual-mass flywheel, it is the source of your trouble. Indeed, these parts have created a lot of trouble on many vehicles. When they take part in the game they generate noise when you start your Mercedes Classe E 5 and when you turn off the engine. Have his condition inspected by a specialist.
