300 SE Coupé
  • Design name
    W 112/3
  • Type
    112.021
  • Production period
    02.1962 - 12.1967
  • Note on production period
    production standard production - end of production
  • Combustion principle
    four-stroke petrol (with timed manifold injection)
  • Configuration
    front, longitudinal; vertical
  • Engine type
    M 189 I / 189.985; from 01.1964: M 189 VI / 189.987
  • Number of cylinders / arrangement
    6 / in-line; light-alloy block
  • Bore x Stroke
    85 x 88 mm
  • Total displacement
    2996 cc (tax classification: 2975 cc)
  • Compression ratio
    8.7; from 01.1964: 8.8
  • Rated output
    160 hp at 5000 rpm; from 01.1964: 170 hp at 5400 rpm
  • Rated torque
    25.6 mkg at 3800 rpm; from 01.1964: 25.4 mkg at 4000 rpm
  • Number of valves / arrangement
    1 intake, 1 exhaust / overhead
  • Valve operation
    1 overhead camshaft
  • Camshaft drive
    double roller chain
  • Fuel system
    manifold injection, mechanically controlled; Bosch 2-plunger injection pump, from 01.1964: Bosch 6-plunger injection pump
  • Fuel tank: position / capacity
    in the rear / 65 l; from 01.1963: 82 l
  • Frame design
    floor assembly / steel unit body
  • Front-wheel suspension
    double wishbone
  • Rear-wheel suspension
    single-joint swing axle with level control
  • Front springs
    air-spring bellows, torsion bar stabiliser
  • Rear springs
    air-spring bellows, torsion bar stabiliser
  • Shock absorber front/rear
    telescopic shock absorbers
  • Steering
    recirculating-ball steering
  • Brake system (foot brake)
    hydraulic dual-circuit brake system with vacuum booster, acting on front- and rear wheels; four-wheel disc brakes
  • Parking brake (hand brake)
    mechanical, acting on rear wheels
  • Wheels
    sheet-steel disc wheels
  • Wheel rims
    drop-centre rim 5 1/2 K x 13 B; from 08.1965: 6 J X 14 HB
  • Tires
    7.50 H 13; from 08.1965: 7.35 H 14 or 185 H 14
  • Driven wheels
    rear wheels
  • Drivetrain
    divided cardan shaft
  • Gearing
    4-speed automatic transmission
  • Availibility
    as standard
  • Shifting
    steering-column selector
  • Clutch
    hydraulic clutch
  • Transmission type
    planetary gear system
  • Gear ratios
    I. 3.98; II. 2.52; III. 1.58; IV. 1.0; R. 4.15
  • Final drive ratio
    4.10; 4.08; 3.92; from 01.1964: 3.75; from 08.1965: 3.69; (3.92 optional)
  • Maximum speed
    175 km/h (RA 4.10/4.08) resp. 180 km/h (RA 3.92);~from 01.1964: 195 km/h (RA 3.75/3.69) resp. 185 km/h (RA 3.92)
  • Acceleration 0-100 km/h
    11.5 s; from 01.64: 11.4 s (RA 3.75/3.69) resp. 11.1 s (RA 3.92)
  • Fuel consumption
    13 l; from 01.1964: 13 l (RA 3.75 / 3.69) resp. 13.7 l (RA 3.92)
  • by Guideline
    DIN 70030: consumption, determined at 3/4 of top-speed (not more than 110 km/h), plus 10 %
  • Gearing
    4-speed manual transmission
  • Availibility
    optional
  • Shifting
    central floor gear shift lever
  • Clutch
    dry single-disc clutch
  • Transmission type
    change-speed gear
  • Gear ratios
    I. 4.05; II. 2.28; III. 1.53; IV. 1.0; R. 3.92
  • Final drive ratio
    3.92; later 3.75; from 08.1965: 3.69; 3.92 optional
  • Maximum speed
    185 km/h; from 01.1964: 200 km/h (RA 3.75/3.69) resp.~190 km/h (RA 3.92)
  • Acceleration 0-100 km/h
    from 01.64: 12.2 sec. (RA 3.75/3.69) or 12.0 sec. (RA 3.92)
  • Fuel consumption
    13 l; from 01.1964: 11.8 l (RA 3.75 / 3.69) resp. 12.5 l (RA 3.92)
  • by Guideline
    DIN 70030: consumption, determined at 3/4 of top-speed (not more than 110 km/h), plus 10 %
  • Gearing
    5-speed manual transmission ZF S 5-20
  • Availibility
    optional
  • Shifting
    central floor gear shift lever
  • Clutch
    dry single-disc clutch
  • Transmission type
    change-speed gear
  • Gear ratios
    I. 3.92; II. 2.22; III. 1.42; IV. 1.0; V. 0.85; R. 3.49
  • Final drive ratio
    4.08
  • Maximum speed
    200 km/h
  • Acceleration 0-100 km/h
    10.9 s
  • Wheelbase
    2750 mm
  • Front / rear track
    1482 / 1490 mm
  • Length
    4880 mm
  • Width
    1845 mm
  • Height
    1395 mm
  • Kerb weight
    1590 kg; from 08.1965: 1650 kg
  • by Guideline
    DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
  • Gross weight
    2060 kg; from 08.1965: 2120 kg
  • Units produced
    2419
  • Prices
    04.1962: DM 32,750.00 (with automatic transmission)
    or DM 31,350.00 (with manual transmission, from 02.1963)
    04.1966: DM 33,350.00 (with automatic transmission)
    or DM 31,950.00 (with manual transmission)
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