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2012 Mercedes-Benz CLS-Class CLS550 4MATIC

The 2012 Mercedes-Benz CLS-Class CLS550 4MATIC is a 402-hp twin-turbocharged V8 with a 7g-tronic 7-speed automatic and all-wheel drive. It is rated at 19 mpg combined.

Spec Value
Engine
Engine Type4.7L V8 Twin-Turbo 90-Degree (Aluminum)
Boost Pressure12.9 psi
Horsepower402 hp @ 5,000 rpm
Torque443 lb-ft @ 1600–4750 rpm
Redline6,300 rpm
ValvetrainDOHC, 4 Valves per Cylinder
Bore and Stroke92.9 x 86.1 (converted from TECH1: 3.66 x 3.39 in.)
Compression Ratio10.5:1
Injection TypeDirect Gasoline Injection with Piezo Injectors, Twin-Turbo
Drivetrain
Drive Type4MATIC AWD
Transmission
Transmission7G-TRONIC 7-Speed Automatic (Direct Select)
Fuel Economy
City16 MPG
Highway25 MPG
Combined19 MPG
Dimensions & Weight
Width74.06 in
Wheelbase113.15 in
Curb Weight4,268 lbs
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