Sucks about your old car but NICE replacement! I'd recommend checking out the forums at Benzworld.org and MBWorld.org for install information. They have chassis-specific forums and general audio forums.

They worked for me. Good luck
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FireFox31
110gig MKIIa (30+80), Eutronix lights, 32 meg stacked RAM, Filener orange gel lens, Greenlights Lit Buttons green set