I have a sept 2005 E280 cdi avantgarde with 52000 mls .
I have seen a very small spot of oil in what looks like a round disc just to the right below where you put oil in .
Any one know if its hard to fit a seal in here
I have seen a very small spot of oil in what looks like a round disc just to the right below where you put oil in .
Any one know if its hard to fit a seal in here