Facing constant noises on your car will probably be upsetting, a motor vehicle is so elaborate that it is generally complicated to track down its origin and even more challenging to find the part that causes it. In case you too have already faced a cold engine noise on your Mercedes Benz GL Class, we can surely support you. In reality, our editorial staff chose to publish this document in order to inspect the main causes of an engine that rattles when cold on your Mercedes Benz GL Class. 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 Benz GL Class is rattling only when starting

If the engine of your Mercedes Benz GL Class generates a cold rattles, specifically when starting and which ends quickly afterwards, it is possible that your engine lubrication is to blame. In reality, the oil strainer (the part that sucks up the oil and makes it rise to the top of the engine) can be damaged and therefore take time to make the oil rise when it is still very viscous. If this is your situation, after a few tens of seconds the engine that slams your Mercedes Benz GL Class should return to normal operation because the lubrication of the engine will be done normally, make sure to verify the condition of the engine.

Engine of my Mercedes Benz GL Class that rattles when cold because of too fluid oil

Another possibility which can justify an engine which cold rattling on your Mercedes Benz GL Class is that during an oil change the choice 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 chosen, it is possible that when cold, the lubrication it allows is not sufficient to limit engine slamming, compare the oil used and the oil recommended by the manufacturer, if your engine clicking is strong or if it persists on your Mercedes Benz GL Class, do not be reluctant to change it with the right oil.

Engine that rattles when cold on my Mercedes Benz GL Class cause of the glow plugs

If you have a diesel engine, your engine is rattling when cold, and it has problems starting when it is cold, it may be your Mercedes Benz GL Class glow plugs that are at the end of their life. In reality, a dead spark plug will induce the connected cylinder not to heat up and will provoke a stronger rattles on an engine Mercedes Benz GL Class, 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 revealed to you, the main motives of an engine that cold slam on a car, do not be reluctant to have a look at our page specialized to your car to find more info on all the breakdowns associated with your car.

To discover more tips on the Mercedes Benz GL Class, take a look at the Mercedes Benz GL Class category.