500 SEC
  • Design name
    C 126 E 50
  • Type
    126.044
  • Production period
    07.1980 / 10.1981 - 09.1985
  • Note on production period
    production start-up pre-production series / standard production - end of production
  • Combustion principle
    four-stroke petrol (with manifold injection)
  • Configuration
    front, longitudinal; vertical
  • Engine type
    M 117 E 50 / 117.963
  • Number of cylinders / arrangement
    8 / 90° V; light-alloy block
  • Bore x Stroke
    96.5 x 85.0 mm
  • Total displacement
    4973 cc (tax classification: 4939 cc)
  • Compression ratio
    9.2
  • Rated output
    231 hp / 170 kW at 4750 rpm
  • Rated torque
    405 Nm at 3000 rpm
  • Number of valves / arrangement
    1 intake, 1 exhaust / overhead
  • Valve operation
    1 overhead camshaft per cylinder bank
  • Camshaft drive
    double roller chain
  • Fuel system
    manifold injection, mechanically controlled (Bosch K-Jetronic)
  • Fuel tank: position / capacity
    above the rear axle / 90 l
  • Frame design
    steel unit body
  • Front-wheel suspension
    double wishbone
  • Rear-wheel suspension
    twist-beam axle (semi-trailing arm axle with starting- and braking-torque compensation), hydropneumatic level control optional
  • Front springs
    coil springs, supplementary rubber suspension, torsion bar stabiliser
  • Rear springs
    coil springs, supplementary rubber suspension, torsion bar stabiliser
  • Shock absorber front/rear
    gas-pressure shock absorbers
  • Steering
    recirculating-ball power steering
  • Brake system (foot brake)
    hydraulic dual-circuit brake system with vacuum booster, antilock system optional (from 12.1984 as standard); disc brakes front (internally ventilated) and rear
  • Parking brake (hand brake)
    mechanical (foot-operated), acting on rear wheels
  • Wheels
    sheet-steel wheels (light-alloy wheels optional)
  • Wheel rims
    6 1/2 J x 14 H 2
  • Tires
    205/70 VR 14
  • Driven wheels
    rear wheels
  • Drivetrain
    divided cardan shaft
  • Gearing
    4-speed automatic transmission
  • Availibility
    as standard
  • Shifting
    central floor gear shift lever
  • Clutch
    hydraulic torque converter in automatic transmission
  • Transmission type
    planetary gear system
  • Gear ratios
    I. 3.68; II. 2.41; III. 1.44; IV. 1.0; R. 5.14
  • Final drive ratio
    2.24
  • Maximum speed
    225 km/h
  • Acceleration 0-100 km/h
    8.1 s
  • Fuel consumption
    9.1 / 11.4 / 15.2 l
  • by Guideline
    80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
  • Wheelbase
    2845 mm
  • Front / rear track
    1545 / 1517 mm
  • Length
    4910 mm
  • Width
    1828 mm
  • Height
    1406 mm
  • Kerb weight
    1610 kg
  • by Guideline
    DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
  • Gross weight
    2130 kg
  • Units produced
    a total of 30,184 (until 09.1991)
  • Prices
    09.1981: DM 73,902.00
    01.1982: DM 75,936.00
    07.1982: DM 79,043.50
    07.1983: DM 79,743.00
    08.1983: DM 82,422.00
    01.1984: DM 85,386.00
    09.1984: DM 88,464.00
    12.1984: DM 91,410.90
    04.1985: DM 94,620.00
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