Being the victim of constant noises on your car has a tendency to be annoying, a car is so elaborate that it is most of the time challenging to locate its origin and even more challenging to find the component that triggers it. In case you too have previously experienced a cold engine noise on your Mercedes Slk, we can surely support you. In fact, our editorial staff made the decision to compose this content in order to inspect the main triggers of an engine that rattles when cold on your Mercedes Slk. First we will take a look at engines that is rattling only when turned on, then because of unsuitable oil and finally because of glow plugs.


The engine of my Mercedes Slk is rattling only when starting

If the engine of your Mercedes Slk produces a cold rattles, especially when starting and which ends rather quickly afterwards, it is possible that your engine lubrication is responsible. In fact, the oil strainer (the component that sucks up the oil and makes it rise to the top of the engine) can be malfunctioned and therefore take time to make the oil rise when it is still very thick. If this is your situation, after a few tens of seconds the engine that slams your Mercedes Slk should go back to normal functions because the lubrication of the engine will be done naturally, be sure you verify the condition of the engine.

Engine of my Mercedes Slk that rattles when cold because of too fluid oil

Another possibility which can justify an engine which cold rattling on your Mercedes Slk is that during an oil change the selection of oil was not perfect, indeed, engine oils differ on their viscosity, which we will compare with the “W” value, the higher this value is the thicker the oil will be and vice versa. If a too fluid oil has been picked, it is possible that when cold, the lubrication it allows is not sufficient to limit engine slamming, compare the oil used and the oil advised by the manufacturer, if your engine clicking is strong or if it persists on your Mercedes Slk, do not be reluctant to change it with the right oil.

Engine that rattles when cold on my Mercedes Slk cause of the glow plugs

If you have a diesel engine, your engine is rattling when cold, and it has difficulty starting when it is cold, it may be your Mercedes Slk glow plugs that are defectives. In fact, a dead spark plug will cause the attached cylinder not to heat up and will trigger a stronger rattles on an engine Mercedes Slk, so think about testing the state of your spark plugs independently using a multimeter, it may be that only one is involved like all of them. Here, we have listed to you, the main factors of an engine that cold slam on a car, do not be reluctant to browse our page specialized to your car to find extra info on all the breakdowns associated with your vehicle.

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