C-Class:

• Newly Redesigned C-Class:  Sport Sedan, Sport Coupe, Sedan, and Wagon.  All-new exterior and interior updates including body styling, headlamps and tail lamps, radiator grilles, wheels, dashboard, instrument cluster, steering wheel, and improved seats. 
• New C55 AMG: with a hand-built, normally aspirated AMG V8 engine producing 362 hp and 376 lb-ft of torque, replaces C32 AMG.

E-Class:

• New E320 CDI: Highly fuel efficient diesel version of the E-Class with innovative fully electronic fuel injection (CDI stands for Common-rail Direct Injection).

• Award-winning Pre-Safe technology continues for the 2005 S-Class.
• 4MATIC full-time all-wheel-drive system standard on S430 and available on S500

CL-Class:

• New CL65 AMG: 6.0-litre twin-turbo V12 producing 604 hp and 738 lb-ft of torque and a newly developed AMG compound braking system with two-piece rotor and hub assembly.

CLK-Class:

• CLK500 receives new AMG 5-spoke wheel, rear spoiler, gear shift buttons, 7-speed automatic transmission standard.
CLK320 receives appearance package as standard: sport shift knob with chrome trim, enlarged chrome exhaust finisher, rubber-studded brushed aluminium pedals, 17-inch five-spoke alloy wheels with high-performance tires.
All models receive re-designed centre console with new buttons and shift knob

SL-Class: 

• New SL65 AMG: 6.0-litre twin-turbo V12 producing 604 hp and 738 lb-ft of torque and a newly developed AMG compound braking system with two-piece rotor and hub assembly.
• Updated COMAND head unit with DVD navigation and a new centre console.

SLK-Class:

• New SLK350:
  All-new platform and body design; features include a new-generation engine with four-valve technology and variable valve timing, a more precise six-speed manual transmission, 17-inch, 10-spoke alloy wheels, and an available sport suspension.
• New V8-powered SLK55 AMG replaces SLK32 AMG.
• New feature:  AIRSCARF – neck-level heating system is an industry first.

G-Class:

• New G55 AMG: with an AMG 5.5-litre 24-valve supercharged and intercooled V8 producing 469 hp and 516 lb-ft of torque.

M-Class:

• M-Class Special Edition: includes unique 17-inch wheels, power dome hood, silver grille, aluminium roof rails, and matte birch burl or dark burl walnut interior finish, metallic paint.

SLR:

• All-New Mercedes-Benz SLR McLaren.  Features include a full carbon fibre monocoque, crash structures, and body panels as well as a 617-horsepower supercharged V8.
• Echoes styling features from the famous 1950s SLR race cars.
• Ceramic composite brake discs.
• Innovative airbrake – an adaptive rear spoiler in the trunk lid.