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Engine Technical Data
Engine type - Number of cylinders
V 8
V 8
Engine Code
M 178 DE 40 AL
Fuel type
Petrol
Petrol
Fuel System
Direct Injection.
Engine Alignment
Longitudinal
Engine Position
Front
Central
Engine displacement
243 cu-in / 3982 cm3
254 cu-in / 4163 cm3
Bore
3.27 inches
83.0 mm
3.33 inches
84.5 mm
Stroke
3.62 inches
92.0 mm
3.65 inches
92.8 mm
Number of valves
32
32
Aspiration
Turbo + Intercooler
N/A
Compression Ratio
10.5
12.5
Horsepower
503 HP / 510 PS / 375 kW @ 6250 rpm
414 HP / 420 PS / 309 kW @ 7800 rpm
Maximum torque
479 lb-ft / 650 Nm @ 1750-4750 rpm
317 lb-ft / 430 Nm @ 4500 - 6000 rpm
Drive wheels - Traction - Drivetrain
RWD
AWD
Transmission Gearbox - Number of speeds
7
6
Clutch Type
Automatic
Sequential
Size, Dimensions, Aerodynamics and Weight
Body
Coupe
Num. of Doors
3
2
Num. of Seats
2
2
Seat distribution
2
Wheelbase
103.54 inches / 263.0 cm
104.33 inches / 265.0 cm
Length
178.98 inches / 454.6 cm
174.45 inches / 443.1 cm
Width
76.34 inches / 193.9 cm
74.96 inches / 190.4 cm
Height
50.75 inches / 128.9 cm
49.29 inches / 125.2 cm
Aerodynamic drag coefficient - Cx
0.34
Front Brakes - Disc dimensions
Vented Discs (15.35 inches / 390 mm)
Vented Discs (14.96 inches / 380 mm)
Rear Brakes - Disc dimensions
Vented Discs (14.17 inches / 360 mm)
Vented Discs (14.02 inches / 356 mm)
Front Tyres - Rims dimensions
265/35 R19
235/35 R19
Rear Tyres - Rims dimensions
295/30 R20
235/35 R19
Front Wheels Width
9.0
Rear Wheels Width
11.0
Curb Weight
3627 lbs / 1645 kg
3616 lbs / 1640 kg
Weight/Power Output Ratio
3.23 Kg/hp
3.9 Kg/hp
Trunk / Boot capacity
12.4 cu-ft / 350 L
3.5 cu-ft / 100 L
Steering
Rack and pinion
Front Suspension
Coil springs.
Rear Suspension
Coil Springs.
Top Speed
193 Mph / 310 km/h
187 Mph / 301 km/h
Acceleration 0 to 100 km/h (0 to 62 mph)
3.8 s
4.6 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - Combined
25 MPG
9.4 L/100 km
30 MPG UK
Fuel Consumption - Economy - City NEDC
12 MPG
20.4 L/100 km
14 MPG UK
Fuel Consumption - Economy - Open road NEDC
25 MPG
9.6 L/100 km
29 MPG UK
Fuel Consumption - Economy - Combined NEDC
25 MPG
9.4 L/100 km
30 MPG UK
17 MPG
13.6 L/100 km
21 MPG UK
Fuel Tank Capacity
19.8 gallons
75 L
16.5 UK gallons
CO2 emissions
219 g/Km (Mercedes Benz)
349 g/Km (Audi)
Emission standard
Euro VI