I'm retired <a href=" http://www.racc.org/public-art/conservation-maintenance ">seroquel 25mg for anxiety</a> If you&#8217;re unfamiliar with the C63 AMG Edition 507, it replaces what was the optional AMG Development Package for both the coupe and sedan. What you get is more power, with output of the AMG 6.3 liter V8 engine being pushed to 507 hp with 450 lb.-ft. of torque (up 56 horsepower over the standard models).  The result:  speed, and lots of it.  Both the C63 AMG Edition 507 coupe and sedan can now hit 60 mph in a mere 4.1 seconds, bettering the standard C63 model by three-tenths of a second (and the former optional AMG Development Package by two tenths of a second). And as an added bonus, top speed has been electronically raised to 174 mph (up from the standard 155 mph), ensuring even more exhilarating track runs on the weekend.