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Engine Technical Data
Engine type - Number of cylinders
Inline 5
V 6
Inline 6
Engine Code
647.961
M 189 V / 189.986
Fuel type
Diesel
Diesel
Petrol
Fuel System
Common Rail Bosch
Common Rail
Bosch fuel inj.
Lubrication
Wet sump
Engine Cooling
Water
Engine Alignment
Longitudinal
Longitudinal
Longitudinal
Engine Position
Front
Engine displacement
163.8 cu-in / 2685 cm3
182.3 cu-in / 2987 cm3
182.8 cu-in / 2996 cm3
Bore
3.46 inches
88.0 mm
3.27 inches
83.0 mm
3.35 inches
85.00 mm
Stroke
3.48 inches
88.3 mm
3.62 inches
92.0 mm
3.46 inches
88.00 mm
Number of valves
20
24
12
Aspiration
Turbo + Intercooler
TGV + Intercooler
N/A
Compression Ratio
18.0
17.7
8.80
Horsepower
175 HP / 177 PS / 130 kW @ 4200 rpm
221 HP / 224 PS / 165 kW @ 3800 rpm
168 HP / 170 PS / 125 kW @ 5400 rpm
Maximum torque
313 lb-ft / 425 Nm @ 2000 rpm
398 lb-ft / 540 Nm @ 1600 - 2400 rpm
183 lb-ft / 249.0 Nm @ 5400 rpm
Drive wheels - Traction - Drivetrain
RWD
RWD
RWD
Transmission Gearbox - Number of speeds
6
7
5
Clutch Type
Manual
Automatic
Manual
Size, Dimensions, Aerodynamics and Weight
Body
Sedan
Sedan
Sedan
Num. of Doors
4
4
4
Num. of Seats
5
5
Wheelbase
112.36 inches / 285.4 cm
112.36 inches / 285.4 cm
108.27 inches / 275 cm
Length
189.69 inches / 481.8 cm
189.69 inches / 481.8 cm
191.93 inches / 487.5 cm
Width
71.73 inches / 182.2 cm
71.73 inches / 182.2 cm
70.67 inches / 179.5 cm
Height
57.17 inches / 145.2 cm
57.17 inches / 145.2 cm
57.28 inches / 145.5 cm
Front Axle
58.35 inches / 148.2 cm
Rear Axle
58.66 inches / 149.0 cm
Aerodynamic drag coefficient - Cx
0.28
Front Brakes - Disc dimensions
Vented Discs
Vented Discs (11.61 inches / 295 mm)
Discs (9.96 inches / 253 mm)
Rear Brakes - Disc dimensions
Discs
Vented Discs (11.81 inches / 300 mm)
Discs (10.04 inches / 255 mm)
Front Tyres - Rims dimensions
225/55 R16
225/55 R16
Rear Tyres - Rims dimensions
225/55 R16
225/55 R16
Front Wheels Width
5.5K
Rear Wheels Width
5.5K
Curb Weight
3671 lbs / 1665 kg
3858 lbs / 1750 kg
Weight/Power Output Ratio
9.41 Kg/hp
7.81 Kg/hp
Trunk / Boot capacity
19.1 cu-ft / 540 L
19.1 cu-ft / 540 L
Steering
Recirculating ball. -
Turning circle
37.4 feet / 11.4 m
37.4 feet / 11.4 m
Steering wheel lock-to-lock
2.6 turns
2.6 turns
3.200 turns
Front Suspension
Independent. Double wishbones. Coil Springs. Anti-roll bar.
Double wishbone. Anti-roll bar.
Rear Suspension
Multi-link. Coil Springs. Anti-roll bar
Swinging axle. Anti-roll bar.
Top Speed
145 Mph / 233 km/h
155 Mph / 250 km/h
124 Mph / 200 km/h
Acceleration 0 to 100 km/h (0 to 62 mph)
9.0 s
6.8 s
10.90 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - Combined
36 MPG
6.5 L/100 km
43 MPG UK
Fuel Consumption - Economy - City NEDC
23 MPG
10.3 L/100 km
27 MPG UK
Fuel Consumption - Economy - Open road NEDC
42 MPG
5.6 L/100 km
50 MPG UK
Fuel Consumption - Economy - Combined NEDC
36 MPG
6.5 L/100 km
43 MPG UK
32 MPG
7.3 L/100 km
39 MPG UK
Range
764 miles / 1230 km
Fuel Tank Capacity
21.1 gallons
80 L
17.6 UK gallons
21.1 gallons
80 L
17.6 UK gallons
21.7 gallons
82 L
18 UK gallons
CO2 emissions
172 g/Km (Mercedes Benz)
194 g/Km (Mercedes Benz)