300 SEL
  • Design name
    W 109 III
  • Type
    109.015
  • Production period
    09.1965 / 03.1966 - 12.1967
  • 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 189 VII / 189.988
  • 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
    8.8
  • Rated output
    170 hp at 5400 rpm
  • Rated torque
    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 6-plunger injection pump
  • Fuel tank: position / capacity
    in the rear / 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 power 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 center rim 6 J x 14 HB
  • Tires
    7.35 H 14 or 185 H 14
  • Driven wheels
    rear wheels
  • Drivetrain
    divided cardan shaft
  • Gearing
    4-speed manual transmission
  • Availibility
    as standard
  • Shifting
    steering-column shift lever or central floor gear shift lever
  • Clutch
    dry single-disc clutch
  • Transmission type
    change-speed gear
  • Gear ratios
    I. 4.05; II. 2.23; III. 1.40; IV. 1.0; R. 3.58
  • Final drive ratio
    3.92 (3.69 optional)
  • Maximum speed
    190 km/h (RA 3.92) resp. 200 km/h (RA 3.69)
  • Acceleration 0-100 km/h
    11.2 s (RA 3.92) resp. 11.3 s (RA 3.69)
  • Fuel consumption
    12.5 l (RA 3.92) resp. 11.8 (RA 3.69)
  • 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
  • Availibility
    optional
  • Shifting
    central floor gear shift lever
  • Clutch
    dry single-disc clutch
  • Transmission type
    ZF S 5-20 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
  • Gearing
    4-speed automatic transmission
  • Availibility
    optional
  • Shifting
    central floor gear shift lever
  • 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
    3.92 (3.69 optional)
  • Maximum speed
    185 km/h (RA 3.92) resp. 195 km/h (RA 3.69)
  • Acceleration 0-100 km/h
    11.2 s (RA 3.92) resp. 11.3 s (RA 3.69)
  • Fuel consumption
    13.7 l (RA 3.92) resp. 13.0 l (RA 3.69)
  • by Guideline
    DIN 70030: consumption, determined at 3/4 of top-speed (not more than 110 km/h), plus 10 %
  • Wheelbase
    2850 mm
  • Front / rear track
    1482 / 1490 mm
  • Length
    5000 mm
  • Width
    1810 mm
  • Height
    1415 mm
  • Kerb weight
    1640 kg
  • by Guideline
    DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
  • Gross weight
    2140 kg
  • Units produced
    2369
  • Prices
    08.1965: DM 28,000.00 (with manual transmission)
    or DM 29,400.00 (with automatic transmission)
    04.1966: DM 28,600.00 (with manual transmission)
    or DM 30,000.00 (with automatic transmission)
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