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Engine Technical Data
Engine type - Number of cylinders
V 6
V 8
V 8
Fuel type
Petrol
Petrol
Petrol
Fuel System
MPI
Engine Alignment
Longitudinal
Longitudinal
Longitudinal
Engine displacement
195.2 cu-in / 3199 cm3
378.8 cu-in / 6208 cm3
378.8 cu-in / 6208 cm3
Bore
3.54 inches
89.9 mm
4.02 inches
102.2 mm
4.02 inches
102.2 mm
Stroke
3.31 inches
84.0 mm
3.72 inches
94.6 mm
3.72 inches
94.6 mm
Number of valves
18
36
36
Aspiration
Compressor
N/A
N/A
Compression Ratio
9.0
11.3
11.3
Horsepower
349 HP / 354 PS / 260 kW @ 6100 rpm
451 HP / 457 PS / 336 kW @ 6800 rpm
518 HP / 525 PS / 386 kW @ 6800 rpm
Maximum torque
331 lb-ft / 450 Nm @ 4400 rpm
442 lb-ft / 600 Nm @ 5000 rpm
464 lb-ft / 630 Nm @ 5200 rpm
Drive wheels - Traction - Drivetrain
RWD
RWD
RWD
Transmission Gearbox - Number of speeds
5
7
7
Clutch Type
Automatic
Automatic
Automatic
Size, Dimensions, Aerodynamics and Weight
Num. of Doors
4
4
5
Num. of Seats
5
5
5
Wheelbase
107.09 inches / 272.0 cm
108.86 inches / 276.5 cm
113.15 inches / 287.4 cm
Length
178.35 inches / 453.0 cm
186.02 inches / 472.5 cm
193.62 inches / 491.8 cm
Width
68.11 inches / 173.0 cm
- inches / 179.5 cm
- inches / 187.2 cm
Height
55.91 inches / 142.0 cm
56.61 inches / 143.8 cm
59.02 inches / 149.9 cm
Aerodynamic drag coefficient - Cx
0.32
0.32
Front Brakes - Disc dimensions
Vented Discs (13.58 inches / 345 mm)
Vented Discs (14.17 inches / 360 mm)
Vented Discs
Rear Brakes - Disc dimensions
Discs (11.81 inches / 300 mm)
Vented Discs (12.99 inches / 330 mm)
Vented Discs
Front Tyres - Rims dimensions
245/40 R17
235/40 R18
Rear Tyres - Rims dimensions
245/40 R17
255/35 R18
Curb Weight
3384 lbs / 1535 kg
3814 lbs / 1730 kg
4288 lbs / 1945 kg
Weight/Power Output Ratio
4.34 Kg/hp
3.79 Kg/hp
3.7 Kg/hp
Trunk / Boot capacity
16.1 cu-ft / 455 L
Front Suspension
Independent. double wishbones. coil spring anti-roll bar
Independent. McPherson struts. Coil springs. Anti-roll bar.
Independent. McPherson struts. Coil springs. Anti-roll bar.
Rear Suspension
Independent. multilink. coil spring. anti-roll bar
Independent. Coil springs. Anti-roll bar.
Independent. Pneumatic. Anti-roll bar.
Top Speed
155 Mph / 250 km/h
155 Mph / 250 km/h
155 Mph / 250 km/h
Acceleration 0 to 100 km/h (0 to 62 mph)
5.2 s
4.5 s
4.6 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - Combined
20 MPG
11.5 L/100 km
25 MPG UK
18 MPG
13.4 L/100 km
21 MPG UK
18 MPG
12.8 L/100 km
22 MPG UK
Fuel Consumption - Economy - Open road
25 MPG
9.4 L/100 km
30 MPG UK
25 MPG
9.3 L/100 km
30 MPG UK
Fuel Consumption - Economy - City
12 MPG
20.3 L/100 km
14 MPG UK
13 MPG
18.8 L/100 km
15 MPG UK
Range
335 miles / 539 km
306 miles / 492 km
320 miles / 515 km
Fuel Tank Capacity
16.4 gallons
62 L
13.6 UK gallons
17.4 gallons
66 L
14.5 UK gallons
17.4 gallons
66 L
14.5 UK gallons
CO2 emissions
312 g/Km (Mercedes Benz)
299 g/Km (Mercedes Benz)