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Engine Technical Data
Engine type - Number of cylinders
V 8
V 6
Fuel type
Petrol
Petrol
Fuel System
Direct Injection. Variable Intake
Indirect Injection.
Engine Alignment
Longitudinal
Longitudinal
Engine Position
Front
Front
Engine displacement
284.6 cu-in / 4663 cm3
213.5 cu-in / 3498 cm3
Bore
3.66 inches
92.9 mm
3.66 inches
92.9 mm
Stroke
3.39 inches
86.0 mm
3.39 inches
86.0 mm
Number of valves
32
24
Aspiration
Turbo + Intercooler
N/A
Compression Ratio
11
12
Horsepower
429 HP / 435 PS / 320 kW @ 5250 rpm
311 HP / 315 PS / 232 kW @ 6500 rpm
Maximum torque
516 lb-ft / 700 Nm @ 1800-3500 rpm
265 lb-ft / 360 Nm @ 4900 rpm
Drive wheels - Traction - Drivetrain
RWD
RWD
Transmission Gearbox - Number of speeds
7
7
Clutch Type
Automatic
Automatic
Size, Dimensions, Aerodynamics and Weight
Body
Cabrio
Cabrio
Num. of Doors
2
2
Num. of Seats
2
2
Seat distribution
2
2
Wheelbase
101.77 inches / 258.5 cm
100.79 inches / 256.0 cm
Length
181.77 inches / 461.7 cm
179.61 inches / 456.2 cm
Width
73.9 inches / 187.7 cm
71.65 inches / 182.0 cm
Height
51.77 inches / 131.5 cm
51.85 inches / 131.7 cm
Front Axle
62.87 inches / 159.7 cm
61.38 inches / 155.9 cm
Rear Axle
62.99 inches / 160.0 cm
60.91 inches / 154.7 cm
Aerodynamic drag coefficient - Cx
0.29
0.30
Front Brakes - Disc dimensions
Vented Discs (14.17 inches / 360 mm)
Vented Discs
Rear Brakes - Disc dimensions
Vented Discs (12.6 inches / 320 mm)
Discs
Front Tyres - Rims dimensions
255/40 R18
255/45 R17
Rear Tyres - Rims dimensions
285/35 R18
255/45 R17
Front Wheels Width
8.5
8.5
Rear Wheels Width
9.5
8.5
Curb Weight
3935 lbs / 1785 kg
4023 lbs / 1825 kg
Weight/Power Output Ratio
4.1 Kg/hp
5.79 Kg/hp
Trunk / Boot capacity
12.6 cu-ft / 356 L
12 cu-ft / 339 L
Steering
Rack and pinion Electric
Rack and pinion Electric
Front Suspension
Coil springs.
Coil springs.
Rear Suspension
Coil Springs.
Coil Springs.
Top Speed
155 Mph / 250 km/h
155 Mph / 250 km/h
Acceleration 0 to 100 km/h (0 to 62 mph)
4.6 s
6.2 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - City NEDC
19 MPG
12.7 L/100 km
22 MPG UK
17 MPG
13.8 L/100 km
20 MPG UK
Fuel Consumption - Economy - Open road NEDC
34 MPG
7 L/100 km
40 MPG UK
33 MPG
7.2 L/100 km
39 MPG UK
Fuel Consumption - Economy - Combined NEDC
26 MPG
9.1 L/100 km
31 MPG UK
24 MPG
9.7 L/100 km
29 MPG UK
Fuel Tank Capacity
19.8 gallons
75 L
16.5 UK gallons
21.1 gallons
80 L
17.6 UK gallons
CO2 emissions
212 g/Km (Mercedes Benz)
226 g/Km (Mercedes Benz)
Emission standard
Euro V
Euro V