quite a lot of valve/tappet noise when it's idling - is that normal for this engine ? can't hear it inside the car, just when you open the window or are standing outside. not a big deal, just wondered.
otherwise it's great - I swapped out of a 2013 C63 6.2 for this below and I am not feeling short changed at all !
otherwise it's great - I swapped out of a 2013 C63 6.2 for this below and I am not feeling short changed at all !