I know for some reason a lot of people like the 6cyl vs the 4cyl. However I gotta say the nice thing about the 2.1 is you never have to touch the EGR. On one of my 2.1 the engine is at 87000K's and the Mercedes service tech just cleaned it out.
So I have a new 2018 with the 6 cyl because Mercedes for some reason stopped the 2.1.
I am at the 20K mark and decided to change the oil instead of waiting for the recommended 30K.
At the same time I decided to clean the EGR. In the past with the 6 I would only start to clean them when they would begin to give me trouble. But I thought I would start right off the bat today. this is a pic of how the EGR looks after 20K. So I guess I would recommend cleaning it every oil change.
Mike
So I have a new 2018 with the 6 cyl because Mercedes for some reason stopped the 2.1.
I am at the 20K mark and decided to change the oil instead of waiting for the recommended 30K.
At the same time I decided to clean the EGR. In the past with the 6 I would only start to clean them when they would begin to give me trouble. But I thought I would start right off the bat today. this is a pic of how the EGR looks after 20K. So I guess I would recommend cleaning it every oil change.
Mike
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