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Engine Technical Data
Engine type - Number of cylinders
Inline 6
Inline 6
Engine Code
OM 656 D 29 R SCR
Fuel type
Diesel
Diesel
Fuel System
Common Rail
Common Rail
Engine Alignment
Longitudinal
Longitudinal
Engine Position
Front
Front
Engine displacement
2925 cm3 / 178.5 cu-in
2925 cm3 / 178.5 cu-in
Bore
82 mm
3.23 inches
82.0 mm
3.23 inches
Stroke
92.4 mm
3.64 inches
92.4 mm
3.64 inches
Number of valves
24
24
Aspiration
Turbo Intercooler
Turbo Intercooler
Compression Ratio
15.5
15.5
Total System Power
340 PS / 335 HP / 250 kW
286 PS / 282 HP / 210 kW
Total System Torque
700 Nm / 516 lb-ft
600 Nm / 442 lb-ft
Horsepower
340 PS / 335 HP / 250 kW
286 PS / 282 HP / 210 kW
Maximum torque
700 Nm / 516 lb-ft @ 1200 rpm
600 Nm / 442 lb-ft @ 1200 rpm
Drive wheels - Traction - Drivetrain
AWD
AWD
Transmission Gearbox - Number of speeds
9
9
Clutch Type
Sequential Automatic
Sequential Automatic
Size, Dimensions, Aerodynamics and Weight
Body
Sedan
Sedan
Num. of Doors
4
4
Num. of Seats
4
4
Wheelbase
293.9 cm / 115.71 inches
293.9 cm / 115.71 inches
Length
498.8 cm / 196.38 inches
498.8 cm / 196.38 inches
Width
189.0 cm / 74.41 inches
189.0 cm / 74.41 inches
Height
143.5 cm / 56.5 inches
143.5 cm / 56.5 inches
Front Axle
161.8 cm / 63.7 inches
161.8 cm / 63.7 inches
Rear Axle
161.8 cm / 63.7 inches
161.8 cm / 63.7 inches
Front Brakes - Disc dimensions
Vented Discs
Vented Discs
Rear Brakes - Disc dimensions
Vented Discs
Vented Discs
Front Tyres - Rims dimensions
245/45 R18
245/45 R18
Rear Tyres - Rims dimensions
245/45 R18
245/45 R18
Curb Weight
1835 kg / 4045 lbs
1835 kg / 4045 lbs
Weight/Power Output Ratio
5.4 Kg/hp
6.42 Kg/hp
Trunk / Boot capacity
520 L / 18.4 cu-ft
520 L / 18.4 cu-ft
Turning circle
11.9 m / 39 feet
11.9 m / 39 feet
Front Suspension
Independent Double wishbone. Coil Springs. Anti-roll bar.
Independent Double wishbone. Coil Springs. Anti-roll bar.
Rear Suspension
Multi-link. Coil Springs. Anti-roll bar.
Multi-link. Coil Springs. Anti-roll bar.
Top Speed
250 km/h / 155 Mph
250 km/h / 155 Mph
Acceleration 0 to 100 km/h (0 to 62 mph)
5.0 s
5.7 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - City NEDC
6.5 L/100 km
43 MPG UK
36 MPG US
6.5 L/100 km
43 MPG UK
36 MPG US
Fuel Consumption - Economy - Open road NEDC
4.9 L/100 km
58 MPG UK
48 MPG US
4.9 L/100 km
58 MPG UK
48 MPG US
Fuel Consumption - Economy - Combined NEDC
5.6 L/100 km
50 MPG UK
42 MPG US
5.6 L/100 km
50 MPG UK
42 MPG US
Fuel Tank Capacity
66 L
17.4 US gallons
14.5 UK gallons
66 L
17.4 US gallons
14.5 UK gallons
CO2 emissions
151 g/Km (Mercedes Benz)
151 g/Km (Mercedes Benz)






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