280
  • Design name
    W 123 V 28
  • Type
    123.030
  • Production period
    07.1975 / 12.1975 - 07.1981
  • Note on production period
    production start-up pre-production series / standard production - end of production
  • Combustion principle
    four-stroke petrol
  • Configuration
    front, longitudinal; vertical
  • Engine type
    M 110 V 28 / 110.923
  • Number of cylinders / arrangement
    6 / in-line
  • Bore x Stroke
    86.0 x 78.8 mm
  • Total displacement
    2746 cc (tax classification: 2717 cc)
  • Compression ratio
    8.7:1
  • Rated output
    156 hp / 115 kW at 5500 rpm
  • Rated torque
    223 Nm at 4000 rpm
  • Number of valves / arrangement
    1 intake, 1 exhaust / V-shaped overhead
  • Valve operation
    2 overhead camshafts
  • Camshaft drive
    double roller chain
  • Fuel system
    1 Solex 4 A dual compound downdraught carburettor
  • Fuel tank: position / capacity
    above the rear axle / 80 l
  • Frame design
    steel unit body
  • Front-wheel suspension
    double wishbone
  • Rear-wheel suspension
    semi-trailing arm axle (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
    telescopic shock absorbers
  • Steering
    recirculating-ball power steering
  • Brake system (foot brake)
    hydraulic dual-circuit brake system with vacuum booster, antilock system optional from 08.1980; four-wheel disc brakes
  • Parking brake (hand brake)
    mechanical (foot-operated), acting on rear wheels
  • Wheels
    sheet-steel wheels (light-alloy wheels optional)
  • Wheel rims
    6 J 14 x H 2
  • Tires
    195/70 HR 14 89 H
  • Driven wheels
    rear wheels
  • Drivetrain
    divided cardan shaft
  • Gearing
    4-speed manual transmission
  • Availibility
    as standard (until 04.1977)
  • Shifting
    central floor gear shift lever
  • Clutch
    dry single-disc clutch
  • Transmission type
    change-speed gear
  • Gear ratios
    I. 3.90; II. 2.30; III. 1.41; IV. 1.0; R. 3.66
  • Final drive ratio
    3.54
  • Maximum speed
    190 km/h
  • Acceleration 0-100 km/h
    10.6 s
  • Fuel consumption
    10.2 / 12.7 / 18.5 l
  • by Guideline
    80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
  • Gearing
    4-speed manual transmission
  • Availibility
    as standard (until 04.1977)
  • Shifting
    central floor gear shift lever
  • Clutch
    dry single-disc clutch
  • Transmission type
    change-speed gear
  • Gear ratios
    I. 3.98; II. 2.29; III. 1.45; IV. 1.0; R. 3.74
  • Final drive ratio
    3.54; from 11.1977: 3.58
  • Maximum speed
    190 km/h
  • Acceleration 0-100 km/h
    10.6 s
  • Fuel consumption
    10.2 / 12.7 / 18.5 l
  • by Guideline
    80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
  • Gearing
    4-speed automatic transmission
  • Availibility
    optional
  • Shifting
    central floor gear shift lever
  • Clutch
    hydraulic torque converter in automatic transmission
  • Transmission type
    planetary gear system
  • Gear ratios
    I. 3.98; II. 2.39; III. 1.46; IV. 1.0; R. 5.47
  • Final drive ratio
    3.54; from 11.1977: 3.58
  • Maximum speed
    185 km/h
  • Acceleration 0-100 km/h
    11.3 s
  • Fuel consumption
    10.7 / 13.5 / 17.3 l
  • by Guideline
    80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
  • Wheelbase
    2795 mm
  • Front / rear track
    1488 / 1446 mm
  • Length
    4725 mm
  • Width
    1786 mm
  • Height
    1438 mm
  • Kerb weight
    1455 kg
  • by Guideline
    DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
  • Gross weight
    1975 kg
  • Units produced
    33,206
  • Prices
    01.1976: DM 24,997.20
    02.1977: DM 26,129.40
    01.1978: DM 26,364.80
    04.1978: DM 27,350.40
    12.1978: DM 27,899.20
    05.1979: DM 28,095.20
    01.07.1979: DM 28,346.05
    16.07.1979: DM 28,894.10
    03.1980: DM 30,035.40
    08.1980: DM 30,600.40
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