Here is the information from the preliminary Dealer Ordering Guide for the 2010 S-Class. This is a preliminary version and is subject to change at any point. Pricing has not been announced.
New front and rear bumpers, front (Bi-Xenon) and rear (LED) lights, grille, mirrors, exhaust, and wheels
New Paint Colors: Diamond White, Palladium Silver
Enhanced wood trim and door coverings
New seat structure and stitch patterns
Enhanced instrument cluster display
New 19″ and 20″ wheels (optional)
New Direct-steer system
Reduced noise, vibration, harshness
New multi-color ambient lighting
Enhanced COMAND system, including:
Bluetooth interface for hands-free calling
HD Digital Radio®
Gracenote® media database
In-dash SD memory card reader
Media interface (iPod, auxiliary input jack, USB)
Enhanced voice control for audio, telephone, and navigation
New Attention Assist driver drowsiness monitor
Enhanced PRE-SAFE® system
New child rear door safety locks
New Adaptive Highbeam Assist system (P1 Package)
New Driving Assistance Package, including Lane Keeping Assist (standard on S600 and S65)
New Night View Assist PLUS with pedestrian detection (optional)
New PARKTRONIC with Parking Guidance
DISTRONIC PLUS (with PRE-SAFE® Brake)
Blind spot assist
Lane Keeping Assist
Sport Package plus one (standard on S600, S63 and S65)
Sport bodystyling (front and rear bumpers, side skirts)
20″ AMG 5-spoke wheels with all-season tires
Dual chrome exhausts
Rear Seat Entertainment Package (standard on S600 and S65)
Rear seat video system (dual-source DVD with wireless headphones)
Two remote controls
S400 Hybrid Added to Line-up
3.5L V6 Mild-hybrid
AIRMATIC air suspension with
Adaptive Damping System (ADS II)
Heated14-way power adjustable front seats with pneumatic lumbar support
Dark Burl Walnut wood trim
Nappa leather steering wheel