Engine Noise after changing plugs
#1
Engine Noise after changing plugs
Just changed my plugs on my 3.5L 2013 4Matic (W204) - much more dificult than I would have imagined with having to remove the plenum and all
. But once all back together I have a chirping noise...any ideas? thx
![Frown](https://mbworld.org/forums/images/smilies/frown.gif)