~ thanks for the replies...

it's a really nice car that is surprising quick while providing quite a bit of luxury and a mix of sportiness. no regrets on this one!

here is the build sheet with some more details:

2015 E400C4
149 Polar White
267 Red/Black Leather
P01 P01 Premium 1 Package: COMAND® System wifi
810 : harman/kardon® LOGIC7® Surround Sound System
540 : Power Rear-Window Sunshade
536 : SiriusXM Radio w. 6 mos. service
527 : COMAND w/Navigation and Voice Control
502 : Multi-Year Update
500 : Power Folding Mirrors
P49 : Mirror Package
R02 All-Season Tires
104 Rear Deck Spoiler
218 Rearview Camera
277 Sport Steering Wheel
321 321 Sport Package: 18-Inch AMG® Twin 5-S
950 : Sportline Package
660 : 18-Inch AMG Twin 5-Spoke Wheels
409 : Multi-Contour Seats Front
401 Heated and Active Ventilated Front Seats
51U Black Roof Liner
6P5 Factory Code
736 Black Ash Wood Trim
889 KEYLESS-GO
993 993 Lane Tracking Package: Blind Spot A
476 : Lane Keeping Assist
234 : Blind Spot Assist
22P : Lane Tracking package code