A catalytic converter is an important component of contemporary cars, as it purifies your vehicle’s exhaust gases and thus matches modern pollution specifications. Nevertheless, it is possible that it may turned out to be clogged or breakdown, in which case a replace or cleaning is important. Today we are going to check out how to clean a catalytic converter on Mercedes Classe B? To do this, first of all, we will describe the scenarios in which it might be interesting to clean the catalytic converter of your Mercedes Classe B, then, how to carry out this cleaning to recover the performance of the catalytic converter of your car.

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Why would you want to clean up the catalytic converter of your Mercedes Classe B?

In this first part we will explain why it might be important to clean the catalyst of your Mercedes Classe B . Indeed for some of you it might seem obvious but most of you do not know how it functions and the consequences dirty catalytic converter .

Purpose and functioning of the catalytic converter of a Mercedes Classe B

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The catalytic converter of your Mercedes Classe B has the task to eliminate harmful exhaust gases associated with the operation of your engine unit. Indeed, it is one of the most important parts that fight against the pollution discharged by your Mercedes Classe B. It will convert these harmful gases into water or non-polluting gases. In order to convert these gases, the catalyst of your Mercedes Classe B a mesh of precious metals which, when the gases pass at high temperature, will break them down by chemical reaction . A catalytic converter can only work from 400°, it is consequently essential to avoid clogging the catalytic converter of your Mercedes Classe B. If you are considering making sufficiently long travels to heat it up frequently (count more than 10 kilometres for the catalyst to reach the right temperature), this will enable you to optimize the life of this component and preserve best engine unit efficiency.

Consequences of a dirty or faulty catalytic converter on Mercedes Classe B

We will now find out what can be the consequences of a dirty or failing catalytic converter on Mercedes Classe B . This will enable you to distinguish the manifestations that should notify you to a breakdown of your catalytic converter, here is the list of symptoms of a faulty catalytic converter:

  • The catalytic converter of your Mercedes Classe B is blocked: As we said earlier, if you make too short trips like 50% of people, it will not have the time to start working and the catalytic converter will clog up with exhaust gases.
  • Switching on the engine light: : Following a clogged catalytic converter, engine light of your Mercedes Classe B may come on, do not think twice to consult our content page to find out how to switch it off.
  • A faulty lambda sensor : The catalyst functions in close connection with the lambda sensors downstream and upstream of it, they will analyze the air flowing inside it, if it is clogged the sensors will often also have problems.
  • A metallic noise caused by the exhaust: In the event the catalyst is dead you should hear this noise which suggests that that the ceramic is damaged.

Why you should clean the catalytic converter of your Mercedes Classe B

Before we end with the step you are probably most keen on, how to clean the catalytic converter of a Mercedes Classe B? We will explain why it might be relevant for you to carry out this cleaning. Indeed, a catalytic converter is a very expensive component (about 500 euros with the installation, the price can differ according to the engines). Furthermore to being no longer good for passing the technical control , you might be at risk of over-consumption of fuel . Finally, the last interest is that cleaning a catalytic converter is not that expensive and doing it frequently will save you a lot of money.

How do you clean the catalytic converter from its Mercedes Classe B?

Finally here is the stage that you are almost certainly most enthusiastic about in this content page, how to clean the catalytic converter of your Mercedes Classe B? Know that this procedure is very simple, and that there are two approaches to do it:

  • Scrubbing the catalytic converter from your Mercedes Classe B frequently: This technique is especially beneficial for people who principally do short trips . To do so, nothing could be simpler, from time to time, make a long trip (about 30 minutes to improve the efficiency of the process), thinking of making your engine go up in revs so that the temperature in the catalyst increases and it can be cleaned.
  • To use a catalyst cleaner: You can find some in a car center for about 20 euros. All you have to do is add it to your fuel straight in your tank with about half a full tank. Afterwards you will have to drive on a long distance for at least 1 hour at mid-range by trying to go frequently at high rpm . If you can before and later on do an exhaust gas analysis to examine that you have recovered healthier exhaust fumes after the procedure. You can carry out this procedure every 15 000km.

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If you wish more guides on the Mercedes Classe B, go to our Mercedes Classe B category.