Mercedes-Benz 27/240/300 hp Type SSKL, 1931 - 1934

Mercedes-Benz 27/240/300 hp Type SSKL, 1931 - 1934
Lightest version of the big supercharged cars
  • Engine type
    M 06 RS
  • Inlet valves
    1 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 overhead valve per cylinder, actuated via finger follower
  • Configuration
    Front, longitudinal; vertical
  • Valve operation
    1 overhead camshaft, vertical-shaft drive
  • Ignition adjustment
    Automatically & manually with lever on steering wheel
  • Combustion principle
    Four-stroke Otto (with supercharger)
  • Crankshaft
    4-bearing (friction bearings of white metal)
  • Bore x Stroke
    100 x 150 mm
  • Fuel system
    2 Pressurized updraft carburetors / Roots supercharger
  • Total displacement
    7065 cc
  • Spark plugs
    2 per cylinder, Bosch M 145/1
  • Fuel supply
    Air pressure
  • Compression ratio
    7.0
  • Fuel tank capacity
    130 l
  • Maximum / output / rated output
    240 hp without, 300 hp at 3400 /min with supercharger
  • Fuel consumption
    27-32 l
  • Rated torque
    70.2 mkg at 2000 /min
  • Cooling
    Water circulation cooling via rotary pump
  • Maximum revolutions
    3600 /min
  • Lubrication
    Pressure circulation lubrication via gear pump with fresh oil addition
  • Cylinders
    Silumin block with wet gray cast iron liners
  • Oil consumption
    1 l
  • Cylinder head
    Gray cast iron, removable
  • Starter
    Electrical, 1.2 hp Bosch
  • Generator
    Bosch RK 132/12 900
  • Battery
    Varta 6BF6, 12 V 60 Ah
  • Ignition
    Combined magneto and battery ignition, separate plug sets
  • Ignition system
    Bosch magneto ZR6, double ignition
  • Hand brake
    Acting on rear wheels
  • Foot brake
    Acting on front- and rear wheels
  • Steering
    Worm-and-nut steering
  • Wheels
    Wire-spoke wheels, center mounting
  • Front tires
    Special high-pressure tyres, 5.00 x 30
  • Frame design
    U-section pressed-steel frame
  • Rear tires
    Special high-pressure tyres, 5.00 x 30
  • Front wheel suspension
    Rigid axle with semi-elliptic springs, hydraulic shock absorbers
  • Drivetrain
    By cardan shaft to differential and rear wheels
  • Rear wheel suspension
    Rigid axle with underslung semi-elliptic springs, friction shock absorbers
  • Brake system
    Mechanically actuated, including brake compensating device
  • Front brakes
    Internal band brakes with finned gray iron drums
  • Rear brakes
    Internal band brakes with finned gray iron drums
  • Transmission
    4-speed manual transmission
  • Shifting
    Ball-and-socket shifting, shift lever in car center
  • Clutch
    Dry quadruple-disc clutch
  • Transmission type
    Change-speed gear
  • Gear ratios
    No standards
  • Final drive ratio
    Depending on the race
  • Maximum speed
    235 km/h
  • Wheelbase
    2950 mm
  • Front track
    1420 mm
  • Rear track
    1420 mm
  • Length
    4250 mm
  • Width
    1700 mm
  • Height
    1250 mm
  • Vehicle weight
    1352 kg
  • Engine weight
    410 kg
  • Seats
    2
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