R 300 CDI BlueEFFICIENCY, 2010 - 2013

Type:
251.021
Production period:
11.2009 / 07.2010 - 01.2013
Note on production period:
production start-up pre-production series / standard production - end of production
Structure:
Grand Sports Tourer
Number of doors:
5

Combustion principle:
four-stroke diesel engine with turbocharger and intercooler
Exhaust-gas treatment:
catalytic converter and particulate filter
Arrangement:
front
Installation direction:
longitudinally; over axle
Engine designation / type:
OM 642 DE 30 LA LR / 642.872
Number of cylinders / arrangement:
6 / 72° V
Bore:
83.0 mm
Stroke:
92.0 mm
Displacement :
2987 cc
Compression ratio:
17.7
Rated power:
140 kW / 190 DIN/hp at 3800 rpm
Nominal torque:
440 Nm at 1400 - 2800 rpm
Number of valves per cylinder:
4
Valve operation:
2 overhead camshafts per cylinder bank
Camshaft drive:
duplex roller chain
Injection system (location):
cylinder direct
Injection pump / injection system (type):
common rail
Injection pump (type):
common rail
Oil change quantity (with filter):
8.5 l
On-board power supply voltage:
12 v
Generator:
three-phase AC
Ignition system:
compression ignition
Fuel tank capacity/of which reserve:
80 / 13.0 l
Fuel tank (location):
in front of rear axle

Front-wheel suspension (type):
independent suspension
Front axle:
double-wishbone front axle
Rear-wheel suspension (type):
independent suspension
Rear axle:
four-link suspension
Suspension front / rear:
coil springs, single-tube gas pressure shock absorbers, torsion bar / coil springs, single-tube gas pressure shock absorbers, torsion bar
Steering (type):
rack-and-pinion
Steering assistance:
hydraulically assisted, speed-dependent
Brakes front:
discs, internally ventilated
Rear brakes:
discs, solid
Disc or drum diameter front :
330 mm
Disc or drum diameter rear:
330 mm
Parking brake (actuation):
mechanically (foot-operated)
Front rims:
7.5 J x 17
Rear rims:
7.5 J x 17
Front tyres:
235/65 R 17
Rear tyres:
235/65 R 17
Drive:
rear wheel drive

Transmission:
automatic
Gearbox type designation:
7G-TRONIC (from approx. 02.2011: 7G-TRONIC PLUS)
Availability:
as standard
Clutch:
hydraulic torque converter with lock-up clutch (governed)
Gearbox design:
planetary gear group
Transmission control:
electrohydraulic
Forward gears (total):
7
Gear ratio:
I. 4.38; II. 2.86; III. 1.92; IV. 1.37; V. 1.00; VI. 0.82; VII. 0.73; R. 3.42
Axle drive ratio:
2.92
Maximum speed:
215 km/h
Acceleration 0-100 kpm:
9.5 s
Fuel consumption urban / extra-urban / combined (according to the respectively valid measurement and calculation methods):
9.6-9.9 / 6.4-6.7 / 7.6-7.8 l per 100 km (diesel fuel)

Wheelbase:
2980 mm
Front track gauge:
1661 mm
Rear track gauge:
1651 mm
Vehicle length:
4922 mm
Vehicle width:
1922 mm
Vehicle height:
1674 mm
Turning circle diameter:
11.70 m
Unladen weight (according to the respectively valid measurement or calculation methods):
2185 kg
Permissible total weight:
2840 kg
Permissible axle load front:
1400 kg
Permissible axle load rear:
1700 kg
Payload:
655 kg
Permissible trailer load unbraked / braked:
750 / 2100 kg