The particle filter is a pretty modern technology that aims to take out harmful particles from the exhaust gases of latest diesels. It has long been seen as the miracle solution to these pollution problems. Nevertheless, it doesn’t work as well as expected and triggers more problems than it handles, which is why we will see in this article when changing the particulate filter of a Mercedes Classe M? . To do this, to begin with, we will find out what the particle filter on your car is intended for, and then when to replace the particle filter on your Mercedes Classe M.

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

So we commence our article content with the rationale for this element not too long ago integrated into diesel automobiles. As we explained briefly in the introduction, the purpose of this filter was to solve the problems of pollution and harmfulness of exhaust fumes from Mercedes Classe M automobiles. Its operating concept is to store exhaust fumes 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. Unfortunately, to reach this very high engine temperature, you have to be on the highway or have your Mercedes Classe M engine revving up. So we have discovered with time that vehicles that are principally on short trips or in the city do not enable the particulate filter to burn these fumes and we will see in the next section that these problems can force you to replace the particulate filter of your Mercedes Classe M .

When to replace the particulate filter of a Mercedes Classe M?

In this section we will find out what you are most definitely drawn to here, if it is necessary to replace the particulate filter of a Mercedes Classe M and if so, when?

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

There are 2 kind of particulate filter for vehicles, a particulate filter with additive, which does not matter the Mercedes Classe M, but which needs to be recharged every 120, 000km with an additive that enables the regeneration of the particulate filter and consequently to burn all those harmful soot. The second one, the one we are keen on in this article, works with precious metals that will generate a chemical reaction at high temperature and cause the regeneration of the filter and the evacuation of the carcinogenic materials. Nevertheless, as revealed earlier, it requires 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. If you need to clean the EGR valve of your Mercedes Classe M as a result of your particulate filter, do not hesitate to check out our article on this subject to find out what the process is.

When to replace the particulate filter of a Mercedes Classe M?

As we explained before, a particulate filter is designed to last the life of the car, nevertheless some of you might wonder when it is necessary to replace the particulate filter of its Mercedes Classe M? Take note 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 regularly 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 problematic, it is considered that as a result of the lack of a sufficiently frequent temperature rise and other design problems, 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 wish more guides on the Mercedes Classe M, go to our Mercedes Classe M category.