Driving Impressions Best in class fuel economy thanks to an efficient. silent Bluetec diesel engine that delivers ample power. and smooth acceleration across all rpm. This Mercedes Benz delivers everything you would expect from 1 of the world's premier automotive marques: ample luxury. surefooted traction in any weather. 1st class safety systems including multiple head and side impact air bags. as well as pre-safe Mercedes seat belt tensioners. to name but a few key features. OPTIONAL FEATURES Keyless Go Panorama Sunroof Heated Rear Seats Heated Steering Wheel Driver Assistance Package Includes Distronic plus with Pre-Safe brake. active blind spot assist. active lane keeping assist. and drive assistance package code. Premium one Package Includes iPod/MP3 media interface cable. iPod/MP3 media interface. rearview camera. autodimming mirrors. power front seats with driver memory. power ...