300 D
  • Design name
    W 123 D 30
  • Type
    123.130
  • Production period
    07.1975 / 02.1976 - 11.1985
  • Note on production period
    production start-up pre-production series / standard production - end of production
  • Combustion principle
    four-stroke Diesel (with indirect injection)
  • Configuration
    front, longitudinal; vertical
  • Engine type
    OM 617 D 30 / 617.912
  • Number of cylinders / arrangement
    5 / in line
  • Bore x Stroke
    91.0 x 92.4 mm; from 08.1978: 90.9 x 92.4 mm
  • Total displacement
    3005 cc (tax 2971 cc); from 08.1978: 2998 cc (tax 2938 cc)
  • Compression ratio
    21,5
  • Rated output
    80 hp / 59 kW at 4000 rpm; from 09.1979: 88 hp / 65 kW at 4400 rpm
  • Rated torque
    172 Nm at 2400 rpm
  • Number of valves / arrangement
    1 intake, 1 exhaust / overhead
  • Valve operation
    1 overhead camshaft
  • Camshaft drive
    double roller chain
  • Fuel system
    indirect injection, mechanically controlled; Bosch 5-plunger injection pump
  • Fuel tank: position / capacity
    above the rear axle / 65 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 from 01.1978)
  • Wheel rims
    5 1/2 J x 14 H 2
  • Tires
    175 SR 14 88 S
  • Driven wheels
    rear wheels
  • Drivetrain
    divided cardan shaft
  • Gearing
    4-speed manual transmission
  • Availibility
    as standard
  • 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
    3.46
  • Maximum speed
    148 km/h; from 09.1979: 155 km/h
  • Acceleration 0-100 km/h
    19.9 s; from 09.79: 17.8 s
  • Fuel consumption
    7.8 / 11.5 / 10.3 l; from 10.1981: 7.8 / 10.4 / 9.7 l
  • by Guideline
    80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
  • Gearing
    5-speed manual transmission
  • Availibility
    optional (from 02.1982)
  • Shifting
    central floor gear shift lever
  • Clutch
    dry single-disc clutch
  • Transmission type
    change-speed gear
  • Gear ratios
    I. 3.82; II. 2.20; III. 1.40; IV. 1.0; V. 0.81; R. 3.71
  • Final drive ratio
    3.46
  • Maximum speed
    155 km/h
  • Acceleration 0-100 km/h
    17.8 s
  • Fuel consumption
    7.0 / 9.5 / 9.7 l
  • by Guideline
    80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
  • Gearing
    4-speed automatic transmission
  • Availibility
    optional (until 06.1983)
  • 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
    3.46
  • Maximum speed
    143 km/h; from 09.1979: 150 km/h
  • Acceleration 0-100 km/h
    20.8 s; from 09.79: 19.2 s
  • Fuel consumption
    8.8 / 12.4 / 10.4 l; from 10.1981: 8.1 / 11.0 / 9.8 s
  • by Guideline
    80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
  • Gearing
    4-speed automatic transmission
  • Availibility
    optional (from 07.1983)
  • Shifting
    central floor gear shift lever
  • Clutch
    hydraulic torque converter in automatic transmission
  • Transmission type
    planetary gear system
  • Gear ratios
    I. 4.25; II. 2.41; III. 1.49; IV. 1.0; R. 5.67
  • Final drive ratio
    3.46
  • Maximum speed
    150 km/h
  • Acceleration 0-100 km/h
    19.2 s
  • Fuel consumption
    7.9 / 10.7 / 9.7 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
    1450 kg
  • by Guideline
    DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
  • Gross weight
    1970 kg
  • Units produced
    324.718
  • Prices
    01.1976: DM 22,311.00
    02.1977: DM 23,321.10
    01.1978: DM 23,531.20
    04.1978: DM 24,404.80
    12.1978: DM 24,897.60
    05.1979: DM 25,093.60
    01.07.1979: DM 25,317.65
    16.07.1979: DM 25,809.20
    09.1979: DM 26,148.20
    03.1980: DM 27,176.50
    08.1980: DM 27,685.00
    07.1981: DM 28,645.50
    01.1982: DM 29,425.20
    07.1982: DM 30,464.80
    07.1983: DM 30,734.40
    08.1983: DM 31,692.00
    01.1984: DM 32,433.00
    09.1984: DM 33,402.00
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