Yes the 4.8 rattles, I am less than impressed with the DSP in the 4.8, The stereo in My Ml500 sounds better. I will definitely be changing some things. But I need a very clean look. I believe the JL 10 can be fit into the current space of the stock subs but will require some modifications.

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Black Sapphire 05 4.8is Sirius Satellite radio, titanium package (mirror and tailgate), 4.8is badge rear driver side, aluminum running boards, alumninum foot pedals and foot rest. Black nappa comfort seats, dark wood. Dynaudio mids and tweeters 240GT. 10" Subwoofer, 3 Genesis amplifiers,all hidden looks completely factory (Thanks Avincar!) Black alcantera M5 steering wheel.