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Engine Technical Data
Engine type - Number of cylinders
Inline 6
Inline 6
Engine Code
OM 656 D 29 R SCR
OM656.830
Fuel type
Diesel
Diesel
Fuel System
Common Rail
Common Rail
Engine Alignment
Longitudinal
Longitudinal
Engine Position
Front
Front
Engine displacement
178.5 cu-in / 2925 cm3
182.4 cu-in / 2989 cm3
Bore
3.23 inches
82.0 mm
3.23 inches
82.0 mm
Stroke
3.64 inches
92.4 mm
3.64 inches
92.4 mm
Number of valves
24
24
Aspiration
Turbo Intercooler
Turbo Intercooler
Compression Ratio
15.5
15.5
Total System Power
282 HP / 286 PS / 210 kW
385 HP / 390 PS / 287 kW
Total System Torque
442 lb-ft / 600 Nm
553 lb-ft / 750 Nm
Horsepower
282 HP / 286 PS / 210 kW @ 3400 rpm
362 HP / 367 PS / 270 kW @ 4000 rpm
Maximum torque
442 lb-ft / 600 Nm @ 1200 rpm
553 lb-ft / 750 Nm @ 1350-2800 rpm
Drive wheels - Traction - Drivetrain
RWD
AWD
Transmission Gearbox - Number of speeds
9
9
Clutch Type
Automatic
Automatic
Size, Dimensions, Aerodynamics and Weight
Body
Sedan
Sedan
Num. of Doors
4
4
Num. of Seats
5
5
Wheelbase
122.28 inches / 310.6 cm
126.61 inches / 321.6 cm
Length
203.9 inches / 517.9 cm
208.23 inches / 528.9 cm
Width
76.93 inches / 195.4 cm
76.93 inches / 195.4 cm
Width with mirrors
83.03 inches / 210.9 cm
83.03 inches / 210.9 cm
Height
59.17 inches / 150.3 cm
59.17 inches / 150.3 cm
Front Axle
65.16 inches / 165.5 cm
65.16 inches / 165.5 cm
Rear Axle
66.26 inches / 168.3 cm
66.26 inches / 168.3 cm
Ground clearance
5.12 inches / 13.0 cm5.12 inches / 13.0 cm
Aerodynamic drag coefficient - Cx
0.24
Front Brakes - Disc dimensions
Vented Discs
Vented Discs
Rear Brakes - Disc dimensions
Vented Discs
Vented Discs
Front Tyres - Rims dimensions
225/45 R19
255/50 R18
Rear Tyres - Rims dimensions
225/45 R19
255/50 R18
Curb Weight
4506 lbs / 2044 kg
4729 lbs / 2145 kg
Dry Weight
4233 lbs / 1920 kg
Max. Towing Capacity Weight
4630 lbs / 2100 kg
4630 lbs / 2100 kg
Weight/Power Output Ratio
7.15 Kg/hp
5.5 Kg/hp
Trunk / Boot capacity
19.1 cu-ft / 540 L
19.1 cu-ft / 540 L
Turning circle
40 feet / 12.2 m
42 feet / 12.8 m
Front Suspension
Independent Double wishbone. Air Suspension. Anti-roll bar.
Independent Double wishbone. Air Suspension. Anti-roll bar.
Rear Suspension
Multi-link. Air Suspension. Anti-roll bar.
Multi-link. Air Suspension. Anti-roll bar.
Top Speed
155 Mph / 250 km/h
155 Mph / 250 km/h
Acceleration 0 to 100 km/h (0 to 62 mph)
6.4 s
5.0 s
EU driving noise
67 dB
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - City NEDC
29 MPG
8.2 L/100 km
34 MPG UK
Fuel Consumption - Economy - Open road NEDC
47 MPG
5 L/100 km
56 MPG UK
Fuel Consumption - Economy - Combined NEDC
38 MPG
6.2 L/100 km
46 MPG UK
Fuel Consumption - Economy - Low WLTP
23 MPG
10.4 L/100 km
27 MPG UK
Fuel Consumption - Economy - Medium WLTP
35 MPG
6.7 L/100 km
42 MPG UK
Fuel Consumption - Economy - Medium WLTP
35 MPG
6.7 L/100 km
42 MPG UK
Fuel Consumption - Economy - High WLTP
47 MPG
5 L/100 km
56 MPG UK
Fuel Consumption - Economy - Extra high WLTP
44 MPG
5.4 L/100 km
52 MPG UK
Fuel Consumption - Economy - Combined WLTP
36 MPG
6.6 L/100 km
43 MPG UK
38 MPG
6.2 L/100 km
46 MPG UK
Range WLTP
716 miles / 1152 km
651 miles / 1048 km
Fuel Tank Capacity
20.1 gallons
76 L
16.7 UK gallons
17.2 gallons
65 L
14.3 UK gallons
AdBlue Tank
6.6 gallons
25 L
5.5 UK gallons
CO2 emissions
163 g/Km (Mercedes Benz)
CO2 emissions WLTP
174 g/Km (Mercedes Benz)
164 g/Km (Mercedes Benz)
Emission standard
Euro 6E