The particle filter is a quite new technology that is designed to take out harmful particles from the exhaust gases of modern diesels. It has long been discovered as the miracle solution to these pollution complications. Nevertheless, it doesn’t work as well as designed and triggers more complications than it resolves, which is why we will find out on this page when changing the particulate filter of a Mercedes Classe A 4? . To do this, to begin with, we will identify what the particle filter on your motor vehicle is utilized for, and then when to replace the particle filter on your Mercedes Classe A 4.


What’s the point of a Mercedes Classe A 4’s particulate filter?

So we start our content page with the rationale for this element not too long ago included into diesel vehicles. As we explained briefly in the introduction, the aim of this filter was to resolve the complications of pollution and harmfulness of exhaust gases from Mercedes Classe A 4 vehicles. Its functioning principle is to store exhaust gases that are unburned or that still contain harmful particles, and when it is at a adequately high temperature to cause a second combustion that will finish burning and get rid of all these carcinogenic particles. Regrettably, to reach this very high engine unit temperature, you have to be on the highway or have your Mercedes Classe A 4 engine unit revving up. So we have discovered with time that cars that are principally on short trips or in the city do not allow the particulate filter to burn these gases and we will see in the next part that these complications can force you to replace the particulate filter of your Mercedes Classe A 4 .

When to replace the particulate filter of a Mercedes Classe A 4?

In this section we will identify what you are clearly attracted to here, whether it is necessary to replace the particulate filter of a Mercedes Classe A 4 and if so, when?

Is it necessary to replace the particulate filter on Mercedes Classe A 4?

There are 2 kind of particulate filter for cars, a particulate filter with additive, which does not matter the Mercedes Classe A 4, but which needs to be recharged every 120, 000km with an additive that enables the regeneration of the particulate filter and therefore to burn all those harmful soot. The second one, the one we are interested in in this article, functions with precious metals that will produce a chemical reaction at high temperature and cause the regeneration of the filter and the evacuation of the carcinogenic materials. Nevertheless, as explained earlier, it necessitates very high temperatures, if these are not reached the filter will clog. If the filter is not regenerated manually, drive at high speed for about 20 minutes to reach this temperature and thus regenerate your filter, you will clog it and risk damaging your turbo, your EGR valve or your engine unit. If you need to clean the EGR valve of your Mercedes Classe A 4 as a result of your particulate filter, do not think twice to check out our article on this subject to identify what the process is.

When to replace the particulate filter of a Mercedes Classe A 4?

As we defined before, a particulate filter is designed to last the life of the car, nevertheless some of you may possibly wonder when it is necessary to replace the particulate filter of its Mercedes Classe A 4? Be aware that this component is extremely expensive, labor is not the most important issue because it is easy to access. But the component itself will vary enormously in price based on your motorization, you can still count a range between 700 and 2000€. This replace should just be considered in the circumstance of a completely clogged particle filter. If you don’t frequently take the motorway, we advise you, every month to drive 10 minutes on the motorway at least 3000 rpm . In spite of everything, the current particulate filter have not been well designed and remain troublesome, it is considered that as a result of the lack of a sufficiently frequent temperature rise and other design complications, you should begin planning to replace your particulate filter from 200, 000km if you have a use of your XX that is more urban and a little more if it is mixed .

If you need more tutorials on the Mercedes Classe A 4, go to our Mercedes Classe A 4 category.