Mercedes-Benz W 165 racing car, 1939

Mercedes-Benz W 165 racing car, 1939
  • Engine type
    M 165
  • Inlet valves
    2 inclined overhead valves per cylinder, actuated via finger followers
  • Ignition sequence
    1-3-7-2-6-5-4-8
  • No. of cylinders / arrangement
    8 / 90° V
  • Outlet valves
    2 inclined overhead valves per cylinder, actuated via finger followers
  • Configuration
    Front, longitudinal; vertical
  • Valve operation
    2 overhead camshafts per cylinder bank, gear drive
  • Ignition adjustment
    Automatically
  • Combustion principle
    Four-stroke Otto (with 2 superchargers)
  • Crankshaft
    5-bearing (roller bearings)
  • Bore x Stroke
    64 x 58 mm
  • Fuel system
    2 Solex suction carburetors / 2 Roots superchargers
  • Total displacement
    1495 cc
  • Spark plugs
    1 per cylinder Bosch 450/480
  • Fuel supply
    Graetzin ZD 300 Mul fuel pump
  • Compression ratio
    6.5
  • Fuel tank capacity
    250 l
  • Maximum / output / rated output
    254 hp at 8000 /min; 250 hp at 7900 /min
  • Fuel consumption
    137 l
  • Cooling
    Glycol circulation cooling
  • Maximum revolutions
    9000 /min
  • Lubrication
    Dry sump lubrication via 3 pressure, 4 suction and 2 scavenging pumps
  • Cylinders
    1 steel block per cylinder bank with welded-on cooling-water jacket
  • Oil consumption
    0.5-1 l
  • Cylinder head
    Not removable, welded together with cylinders
  • Starter
    Inertia starter
  • Generator
    Not fitted
  • Battery
    Not fitted
  • Ignition
    High-voltage magneto ignition
  • Ignition system
    Bosch magneto J 08 ZEZ 52/6 Q 1
  • Hand brake
    Not fitted
  • Foot brake
    Acting on front- and rear wheels
  • Steering
    Worm-and-nut steering
  • Wheels
    Wire-spoke wheels, center mounting
  • Front tires
    5.00 x 17
  • Frame design
    Oval-tube frame with 5 cross members
  • Rear tires
    7.00 x 17
  • Front wheel suspension
    Double wishbone, coil springs, hydraulic shock absorbers
  • Drivetrain
    By cardan shaft to transaxle and rear wheels
  • Rear wheel suspension
    De Dion axle, longitudinal torsion-bar springs, hydraulic shock absorbers
  • Brake system
    Hydraulically actuated dual-circuit brake system
  • Front brakes
    Inside shoe brakes with centrifugally cooled light-alloy drums, 360 mm diameter
  • Rear brakes
    Inside shoe brakes with centrifugally cooled light-alloy drums, 360 mm diameter
  • Transmission
    5-speed manual transmission with differential gear, transversally mounted below rear axle
  • Shifting
    Gate shift with locking system
  • Clutch
    Dry single-disc clutch
  • Transmission type
    Change-speed gear
  • Maximum speed
    272 km/h
  • Wheelbase
    2450 mm
  • Front track
    1340 mm
  • Rear track
    1280 mm
  • Length
    3680 mm
  • Width
    1510 mm
  • Height
    850 mm
  • Vehicle weight
    700 kg
  • Engine weight
    195 kg
  • Seats
    1
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