Facing regular noises on your car tends to be distressing, a vehicle is so complex that it is generally challenging to determine its source and even more challenging to find the component that triggers it. In case you too have already experienced a cold engine noise on your Mercedes Benz CLA Class, we can certainly support you. In fact, our team chose to publish this document in order to review the main triggers of an engine that rattles when cold on your Mercedes Benz CLA Class. First we will check out engines that is rattling only when turned on, then because of improper oil and finally because of glow plugs.
The engine of my Mercedes Benz CLA Class is rattling only when starting
If the engine of your Mercedes Benz CLA Class produces a cold rattles, especially when starting and which fades before long 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 harmed 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 Benz CLA Class should return to normal operation because the lubrication of the engine will be done naturally, remember to examine the condition of the engine.
Engine of my Mercedes Benz CLA Class that rattles when cold because of too fluid oil
Another option which can justify an engine which cold rattling on your Mercedes Benz CLA Class is that during an oil change the choice of oil was not ideal, in fact, 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 chosen, it is possible that when cold, the lubrication it allows is not adequate to limit engine slamming, compare the oil used and the oil suggested by the manufacturer, if your engine clicking is strong or if it persists on your Mercedes Benz CLA Class, do not hesitate to swap it with the right oil.
Engine that rattles when cold on my Mercedes Benz CLA Class 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 Benz CLA Class glow plugs that are at the end of their life. In fact, a dead spark plug will cause the connected cylinder not to heat up and will provoke a stronger rattles on an engine Mercedes Benz CLA Class, so think about evaluating the state of your spark plugs individually using a multimeter, it may be that only one is involved like all of them. Here, we have revealed to you, the main causes of an engine that cold slam on a car, do not hesitate to have a look at our page specialized to your car to find more info on all the breakdowns related to your automobile.
To find more tips on the Mercedes Benz CLA Class, take a look at the Mercedes Benz CLA Class category.
