Having a healthy car seems to be an essential requirement for almost everyone, as we are all dependent on our automobiles, it doesn’t matter if it is to get to your job or for personal travel. So when we observe some thing different about our Mercedes Classe S, we rationally tend to ask ourselves questions. If, in your case, it’s your engine that rattles when hot on your Mercedes Classe S, you’ve come to the good website. We understand that this is a repeating problem and so we have decided to publish a dedicated document to help you deal with it. To do so, first we will look into the problems relevant to hydraulic tappets and valves, then at combustion problems, and to conclude at the engine rattling when hot because of problems relevant to the lower engine.
Engine rattling when hot on my Mercedes Classe S because of the hydraulic tappets
If you perceive the engine hot rattles on your Mercedes Classe S, and this noise is based at the top of the engine, it denotes that it comes from your cylinder head and its accompanying components. There are two possible triggers of an hot engine rattling on a Mercedes Classe S. Either the hydraulic tappets, in most cases it is because of their faulty “hydraulic catch-up” system that you will hear these clicking noises, often when hot and not when cold. In any other case, it is the play of your rocker arms or their state of wear that is to blame. In this case, reflect on swapping them.
The engine of my Mercedes Classe S is doing some rattling noise when hot because of combustion problem
Second probability, if you have the feeling that the hot engine rattling is relevant to the combustion of your engine, there are three possible triggers of this one. It may be that your timing is out of sync and that it does not control the synchronization of the different components of the engine to supply good combustion. And to conclude, the most traditional cause comes from your injectors, which are either clogged or damaged. Don’t forget to go to your auto mechanic so that he can inspect the component that seems to be at the origin of your engine’s hot clicking on your Mercedes Classe S.
Engine of my Mercedes Classe S rattling cause of problem in the lower part of the engine
To finish, if you have recognized the area of origin of your engine that hot rattles on your Mercedes Classe S that comes from your lower engine, it may be that your connecting rods or piston pins are the origin. In both situations, the risk in the long run is engine breakage. These two repairs are particularly complex and most mechanics will advise you to replace the engine of your Mercedes Classe S. In any case, don’t wait when you detect such a problem, it will allow you to prepare for an upcoming big repair or at best find a more affordable remedy, rather than find yourself faced with a failure with the origin of your engine rattling when hot and the end result being your engine giving out on you when you come home from work. Don’t hesitate to have a look at our catalogue of items on your car that can help you solve other problems or learn more about your Mercedes Classe S.
If you have any further questions about the Mercedes Classe S, do not hesitate to consult our Mercedes Classe S category.
