• Design name
    R 230 E 55
  • Type
    230.471
  • Production period
    06.2005 / 01.2006 - 02.2008
  • Note on production period
    production start-up pre-production series / standard production - end of production
  • Combustion principle
    four-stroke petrol (with manifold injection and emission control system with closed-loop 3-way catalyst)
  • Configuration
    front, longitudinal; vertical
  • Engine type
    M 273 E 55 / 273.961
  • Number of cylinders / arrangement
    8 / 90° V; light-alloy block
  • Bore x Stroke
    98.0 x 90.5 mm
  • Total displacement
    5461 cc
  • Compression ratio
    10.7
  • Rated output
    285 kW / 388 hp at 6000 rpm
  • Rated torque
    530 Nm at 2800 - 4800 rpm
  • Number of valves / arrangement
    2 intake, 2 exhaust / V-shaped overhead
  • Valve operation
    2 overhead camshafts per cylinder bank (variable adjustment)
  • Camshaft drive
    intake camshafts via double roller chain, outlet camshafts via gearwheel engagement with intake camshafts
  • Fuel system
    microprocessor-controlled injection system with hot-film air-mass sensor
  • Fuel tank: position / capacity
    above the rear axle / 80 l
  • Frame design
    steel unit body
  • Front-wheel suspension
    four-link suspension with speed-sensitive level control
  • Rear-wheel suspension
    multilink suspension with Active Body Control (ABC)
  • Front springs
    spring struts with coil spring and plunger cylinder
  • Rear springs
    spring struts with coil spring and plunger cylinder
  • Shock absorber front/rear
    twin-tube gas-pressure shock absorbers
  • Steering
    rack-and-pinion parameter power steering
  • Brake system (foot brake)
    Sensotronic Brake Control electrohydraulic brake system with antilock system and Brake Assist; internally ventilated four-wheel disc brakes (perforated)
  • Parking brake (hand brake)
    mechanical (foot-operated), acting on rear wheels
  • Wheels
    light-alloy wheels
  • Wheel rims
    8 1/2 J x 17 H 2
  • Tires
    255/45 R 17 98 W
  • Driven wheels
    rear wheels
  • Drivetrain
    divided cardan shaft
  • Gearing
    7-speed automatic transmission (electronically controlled)
  • Availibility
    as standard
  • Shifting
    steering-column selector
  • Clutch
    hydraulic torque converter with lock-up clutch (governed)
  • Transmission type
    planetary gear system
  • Gear ratios
    I. 4.38; II. 2.86; III. 1.92; IV. 1.37; V. 1.0; VI. 0.82; VII. 0.73; R. 3.42
  • Final drive ratio
    2.65
  • Maximum speed
    250 km/h (electronically governed)
  • Acceleration 0-100 km/h
    5.4 s
  • Fuel consumption
    18.2 / 8.8 / 12.2 l
  • by Guideline
    93/116/EC; figures apply to City (urban) / EUDC (extra-urban) / NEDC (New European Driving Cycle, average from <36.8%> City and <63.2%> EUDC)
  • Wheelbase
    2560 mm
  • Front / rear track
    1559 / 1547 mm
  • Length
    4532 mm
  • Width
    1827 mm
  • Height
    1298 mm (with vario top closed)
  • Kerb weight
    1910 kg
  • by Guideline
    EC 92/21 (including driver, 68 kg, and baggage, 7 kg; tank 90 % full)
  • Gross weight
    2205 kg
  • Units produced
    not separately documented
  • Prices
    01.2006: EUR 102,544.00
    08.2006: EUR 103,240.00
    01.2007: EUR 105,910.00
    07.2007: EUR 106,683.50
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