Originally Posted by FriendlyFire
The exact bolt that SparkieSRT6 mentioned was quite loose on mine, and I suspect it was in fact the bolt that was causing the rattle. (I checked and tightend all my exhaust bolts, but that was the only one obviously loose)
It sounded EXACTLY like the rear hatch was rattling.
No BOLTs....the hanger I'm talking about is the rearmost muffler support brackets with rubber AMG donut.