I guy I know here in town has two 5.0 500 engines for sale. This looks like a great deal! He is asking $300 per engine. Here is the details

$300
2005 sl500 49k full pullout with harness, coils, plugs, water pump, throttle body, etc.

Insurance company ordered wrong eng for a customers car is why I have it at my European repair shop.
Sl500 2003 2004 2005 2006
113.963 engine
230.475 chassis

2nd eng $300
03-06
2004 S500 4Matic 56k complete except
Plugs, wires, and coils
W220
220.184 chassis
113.966 engine
Call Jason before 10pm
214-558-1760