Summary: The Mercedes-Benz CLS is all-new.
CLS550, CLS63 AMG 4-door sedan
4.6L Twin Turbo V-8; 5.5L Twin-Turbo V-8
What’s New for ’12
The CLS550 is powered by a new 4.6L V-8 engine mated to a 7-speed automatic transmission.
The CLS63 AMG has a new 5.5-liter twin-turbo V-8 engine with a 7-speed multi-clutch transmission.
Other new optional features include electromechanical steering, LED headlights and taillamps, active parking assist, active lane-keeping assist and active blind-spot assist.
Ten airbags and attention assist are standard.