Today’s automobiles are a constant source of hassle of all kinds, and between regular maintenance and unforeseen failures, they tend to be a big budget item. But sadly, not all breakdowns are just a matter of money. Some of them can jeopardize our security, such as when your Mercedes A class accelerates by itself . That’s what today’s article is about. We know that this performance of your Mercedes A class can be really dangerous and scare you, so you should correct this as quickly as possible since using your Mercedes A class if this is the circumstance is anything but safe. That’s why we’re going to start with your Mercedes A class accelerating on its own when cold, and then we’ll find out how your Mercedes A class accelerating on its own when hot accelerates.



First we will solve the issues about your Mercedes A class accelerating by itself only when cold. First technique, it is most likely that your automatic starter is out of adjustment or faulty , and yes, when cold it will be activated and if it is inaccurately adjusted, it can send the wrong information to the intake and this can result in too high an engine unit idle speed. The second opportunity is that your temperature sensor is in poor condition , so your Mercedes A class accelerates by itself when cold, as it will in most cases work better and give the right information to the ECU when warm. If you have checked out these two items and they are not the cause for your matter, you will need to take your Mercedes A class to your auto technician.

MY Mercedes A class accelerates for no reason When HOT

We will now find out how your Mercedes A class accelerates on its own even when hot. So if your car is a petrol motor vehicle, don’t forget to take a look at the condition of your throttle body. Undeniably, the throttle body, when clogged, can cause complications with the air supply to the inside of your engine when hot, in which circumstance your air/fuel mixture might not be good and your Mercedes A class’s idle speed may get out of control, so it’s quite simple to clean this part. On the other hand, if your idle speed control is clogged, as the name suggests, this component is designed to control the idle speed of your Mercedes A class, so it’s easy to remove and clean it to find out if it’s not the cause of your matter. Finally, in the most common factors for an engine unit to run out of fuel on an Mercedes A class, a weakened alternator can cause an Mercedes A class to accelerate on its own even when hot. Undeniably, the alternator that supplies power to your car will, if it tires, supply much less power and the motor vehicle that realizes this will raise the engine speed to match the power output, try it out to find out how it does. If, however, you have the impression that your Mercedes A class doesn’t idle well, don’t think twice to consult this dedicated article, which might give you more solutions to resolve your issue.

If you want more guides on the Mercedes A class, go to our Mercedes A class category.