Being the victim of repeated noises on your car will probably be distressing, a vehicle is so complex that it is most of the time complicated to locate its origin and even more complicated to find the part that triggers it. In the event you too have previously came accross a cold engine noise on your Mercedes Classe B 3, we can definitely help you. In reality, we made the decision to write this article content to be able to inspect the main triggers of an engine that rattles when cold on your Mercedes Classe B 3. First we will look at engines that is rattling only when turned on, then because of improper oil and finally because of glow plugs.


The engine of my Mercedes Classe B 3 is rattling only when starting

If the engine of your Mercedes Classe B 3 produces a cold rattles, especially 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 malfunctioned and therefore take some 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 Classe B 3 should go back to normal operation because the lubrication of the engine will be done normally, be sure you verify the condition of the engine.

Engine of my Mercedes Classe B 3 that rattles when cold because of too fluid oil

Another option which can justify an engine which cold rattling on your Mercedes Classe B 3 is that during an oil change the choice of oil was not best, indeed, engine oils differ on their viscosity, which we will review 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 good enough 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 Classe B 3, do not think twice to swap it with the right oil.

Engine that rattles when cold on my Mercedes Classe B 3 cause of the glow plugs

If you have a diesel engine, your engine is rattling when cold, and it has complication starting when it is cold, it may be your Mercedes Classe B 3 glow plugs that are nearly good to be changed. In reality, a dead spark plug will cause the linked cylinder not to heat up and will create a stronger rattles on an engine Mercedes Classe B 3, so consider testing the state of your spark plugs separately using a multimeter, it may be that only one is concerned like all of them. Here, we have revealed to you, the main factors of an engine that cold slam on a car, do not think twice to read our page dedicated to your car to find extra information on all the breakdowns linked to your motor vehicle.

Whenever you have any additional questions about the Mercedes Classe B 3, do not hesitate to consult our Mercedes Classe B 3 category.