One of the most irritating problems that can show up on a Mercedes Classe B is to observe its temperature gauge rising. Actually, a gauge that rises above 90/100° is generally an indication that your Mercedes Classe B is heating up. If you are in this case, you have done well to check out this web page link because we will make it easier for you to identify the cause and understand the motive. To do this, first of all, we will take a look at the causes for engine overheating and the consequences you run, and next, what possibilities are available to you to stop this phenomenon.


Why is my Mercedes Classe B overheating? What are the risks?

A Mercedes Classe B that heats up is an indicator of a critical trouble. You should not think that you will handle it later because, if you do, you risk irreversibly harming the engine of your car. In truth, if your Mercedes Classe B heats up, and you keep driving, you simply risk the breakage of your car engine. An internal combustion engine works through combustion, which causes heat. This heat must be minimized because it can harm the engine parts. If you see white smoke starting to surface of your engine and you can feel a loss of power, your Mercedes Classe B is heating up and you are harming your engine, you must stop.

What are the causes of an heating up Mercedes Classe B ?

  • A leak in the cooling system

    If you repeatedly run out of coolant and refill your system on a regular basis, you may have a leak, so have your system checked for leaks. It is also possible that it is your cylinder head gasket that is defective, in which case you should identify “mayonnaise” in the area of your engine oil cap.
  • A dead calorstat
    The goal of this part is to switch on the engine cooling only when the engine is at optimum temperature, if it is damaged, the coolant will never reach the engine and your Mercedes Classe B will heat up. Check its state.
  • A blocked radiator
    Even though this situation is rarer, if your radiator is very dirty, or clogged with impure substances, its cooling fins will no longer achieve their task and on hot days your Mercedes Classe B might overheat.
  • A fan that no longer works
    Be sure you examine the state and performance of your fan, in addition to the air produced by the speed of your Mercedes Classe B, it has an important duty in cooling your engine when it has to be the relay when you drive slower. In the instance of a breakdown and travelling at low speed, your car will inescapably heat up.
  • A damaged water pump
    To conclude, it is possible that your water pump is at the end of its life. In truth, its job is to flow the coolant throughout the circuit, in the instance of failure this action stops and your Mercedes Classe B heats up. This might be because of a faulty belt that has broken your pump. If this is your case, go to your workshop.

How can I fix the trouble of an heating up Mercedes Classe B?

Furthermore to having checked all the parts that may be causing your Mercedes Classe B to heat up, you will have to make the right decisions to limit the risks in case your vehicle gets hot and you have no other option than to go home, or to go to your auto technician.
Here are a few recommendations if your car is overheating:

  • Reduce your engine speed but not your speed:
    Reducing your engine speed will allow you to limit the heat released by the engine. In contrast, try to stay in 5th gear at 70/80 km/h in order to have a large natural airflow to limit the heating of your Mercedes Classe B.
  • Stop the engine of your Mercedes Classe B if you go beyond 100°:
    Don’t be in a rush, in a case of overheating, it is better to take breaks and let the engine cool down rather than pushing it and risking breakage.
  • Turn on your heater:
    Turning on the heater will allow you to evacuate some of the heat from the engine block, it is an efficient answer. And in contrast, turn off your air conditioner which generates heat.

If you want more tutorials on the Mercedes Classe B, go to our Mercedes Classe B category.