Mercedes-Benz 300 SL (W 194) racing sports car, 1952

Mercedes-Benz 300 SL (W 194) racing sports car, 1952
The first Mercedes-Benz racing car built after World War II
  • Engine type
    M 194
  • Inlet valves
    1 inclined overhead valve per cylinder, actuated via finger follower
  • Ignition sequence
    1-5-3-6-2-4
  • No. of cylinders / arrangement
    6 / in line
  • Outlet valves
    1 inclined overhead valve per cylinder, actuated via finger follower
  • Configuration
    Front, longitudinal; 50° inclination to the left
  • Valve operation
    1 overhead camshaft, double roller chain drive
  • Ignition adjustment
    Automatically
  • Combustion principle
    Four-stroke Otto
  • Crankshaft
    7-bearing (friction bearings with steel backings)
  • Bore x Stroke
    85 x 88 mm
  • Fuel system
    3 Solex downdraft carburetors
  • Total displacement
    2996 cc
  • Spark plugs
    1 per cylinder, Bosch or Beru
  • Fuel supply
    2 mechanical pumps
  • Compression ratio
    8
  • Fuel tank capacity
    170 l
  • Maximum / output / rated output
    175 hp at 5200 /min
  • Fuel consumption
    20 l
  • Rated torque
    26 mkg
  • Cooling
    Water circulation cooling
  • Lubrication
    Dry-sump lubrication
  • Cylinders
    Gray cast iron block
  • Cylinder head
    Light alloy (aluminium), removable
  • Starter
    Bosch
  • Generator
    150 W
  • Battery
    12 V
  • Ignition
    Battery ignition
  • Ignition system
    Bosch
  • Hand brake
    Acting mechanically on rear wheels
  • Foot brake
    Acting on front- and rear wheels
  • Steering
    Recirculating-ball steering
  • Wheels
    Sheet-steel disc wheels, central mounting
  • Front tires
    6.70 x 15
  • Frame design
    Tubular space frame
  • Rear tires
    6.70 x 15
  • Front wheel suspension
    Double wishbone, coil springs, torsion bar stabilizer, telescopic shock absorbers
  • Drivetrain
    By cardan shaft to the rear axle
  • Rear wheel suspension
    Swing axle, coil springs, telescopic shock absorbers
  • Brake system
    Hydraulically actuated
  • Front brakes
    Inside shoe brakes with air-cooled light-alloy drums
  • Rear brakes
    Inside shoe brakes with air-cooled light-alloy drums
  • Transmission
    4-speed manual transmission
  • Shifting
    Center shift
  • Clutch
    Dry single-disc clutch
  • Transmission type
    Change-speed gear
  • Gear ratios
    I: 3.33; II: 2.12; III: 1.5; IV: 1.0
  • Maximum speed
    240 km/h
  • Wheelbase
    2400 mm
  • Front track
    1381 mm
  • Rear track
    1445 mm
  • Length
    4220 mm
  • Width
    1790 mm
  • Height
    1265 mm
  • Vehicle weight
    870 kg
  • Engine weight
    265 kg
  • Seats
    2
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