What could possibly be more disturbing than noises when you start your vehicle… Indeed, you maybe previously noticed noises when you start your Mercedes Viano and in most cases it’s frustrating. It might not be anything significant, 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 write this content to help you find its origin. To do this, first, we will see the case of noise when starting on Mercedes Viano 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 Viano, but the engine doesn’t start
I perceive a clicking noise at the start of my Mercedes Viano
If you listen a noise when you want to start your vehicle, and it does not want to turn on, it is likely that it is the battery that is triggering the problem. Indeed, if you hear clicking noise when you start your Mercedes Viano, and it sounds like a ticking, you most likely lack the energy to run your starter, test your battery with a voltmeter and replace it if necessary. In the event that after looking at your battery, you still know a noise when starting your Mercedes Viano and it does not want to start, browse this content about starter motor noises on Mercedes Viano for more details and to discover the source of your problem.
I acknowledge a noise when I start my Mercedes Viano but the engine it starts
I listen a noise when I start my Mercedes Viano
- Grinding or squealing type noises when I start cold Mercedes Viano :
If you listen a noise when you start your Mercedes Viano, and this noise looks like grinding or squealing noise, which can also be related 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 operation of the engine will be altered. Verify the state of your injectors and air intake system. For more details on the origins of injection-related noises on Mercedes Viano, check out this article. - Cold start friction parts Mercedes Viano :
If you experience cold friction noises on Mercedes Viano, it is almost 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 make a friction noise, often when cold. Visually verify your belt and replace it if necessary. If you have other friction noises, and it doesn’t result from your serpentine belt, we have a full content on engine of your Mercedes Viano.
I listen a noise when starting my Mercedes Viano even when hot
- rubber mount / silent bloc dead motor
If you listen a clacking noise 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 expired. And the huge vibrations generated by starting the engine can generate starting noise on Mercedes Viano. Verify their state and replace them if necessary. Browse this content if you would like to have detailed details on rubber mount noises on Mercedes Viano. - Motor flywheel
Finally, if you perceive a noise that sounds a little like a crank noise when you start your Mercedes Viano, even when hot, it is conceivable that if your series is equipped with a dual-mass flywheel, it is the source of your problems. Indeed, these parts have created a lot of problems on many automobiles. When they take part in the game they make noise when you start your Mercedes Viano and when you turn off the engine. Have his state checked by a professional.
