Having a care in good conditions seems to be a vital prerequisite for the majority of us, as we are all dependent on our cars, regardless it is to go to work or for personal travel. So when we come across some thing different about our Mercedes Slk, we logically tend to ask ourselves questions. If, in your case, it’s your engine that rattles when hot on your Mercedes Slk, you’ve come to the right place. We understand that this is a repeating problem and so we have chose to write a focused article to enable you deal with it. To accomplish this, first we will look into the complications related to hydraulic tappets and valves, then at combustion complications, and at last at the engine rattling when hot because of concerns related to the lower engine.

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Engine rattling when hot on my Mercedes Slk because of the hydraulic tappets

If you hear the engine hot rattles on your Mercedes Slk, and this noise is based at the top of the engine, it means that it comes from your cylinder head and its accompanying parts. There are two possible triggers of an hot engine rattling on a Mercedes Slk. Either the hydraulic tappets, in general 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 instance, consider swapping them.

The engine of my Mercedes Slk is doing some rattling noise when hot because of combustion problem

Second probability, if you have the feeling that the hot engine rattling is related 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 create good combustion. And finally, the most common reason comes from your injectors, which are either clogged or damaged. Don’t forget to go to your auto technician so that he can look at the component that seems to be at the origin of your engine’s hot clicking on your Mercedes Slk.

Engine of my Mercedes Slk rattling cause of problem in the lower part of the engine

To conclude, if you have recognized the area of origin of your engine that hot rattles on your Mercedes Slk that comes from your lower engine, it may be that your connecting rods or piston pins are the origin. In both circumstances, 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 Slk. In any case, don’t wait when you spot such a problem, it will let you to anticipate an upcoming expense or at best find a more affordable solution, rather than find yourself faced with a failure with the origin of your engine rattling when hot and the end result being your engine breaking down on you when you come home from work. Don’t hesitate to read our catalogue of items on your car that can enable you fix other worries or learn more about your Mercedes Slk.

If you wish more guides on the Mercedes Slk, go to our Mercedes Slk category.