PKW2090040 Mercedes 15/20 hp, 10/20 hp, 10/25 hp
  • Production period
    1909 - 1915
  • Remark on type
    from 1909: Mercedes 10/20 hp, from 1912: 10/25 hp
  • Combustion principle
    four-stroke
  • Configuration
    front, longitudinal; vertical
  • Number of cylinders / arrangement
    4 / in-line (in pairs)
  • Bore x Stroke
    80 x 130 mm
  • Total displacement
    2610 cc
  • Rated output
    25 hp at 1600 rpm
  • Number of valves / arrangement
    1 intake / overhead; 1 exhaust / vertical
  • Valve operation
    1 lateral camshaft
  • Camshaft drive
    via spur gears
  • Fuel system
    piston-type carburettor
  • Fuel tank: position / capacity
    under the driver's seat or under the car's rear / 60 l
  • Frame design
    U-section pressed-steel frame
  • Front-wheel suspension
    rigid axle
  • Rear-wheel suspension
    rigid axle
  • Front springs
    semi-elliptical springs
  • Rear springs
    semi-elliptical springs
  • Steering
    worm-and-nut steering, right-hand
  • Brake system (foot brake)
    mechanical, acting on drive shaft
  • Parking brake (hand brake)
    mechanical, acting on rear wheels
  • Wheels
    wooden-spoke wheels with steel rims
  • Tires
    815 x 105 or 820 x 120
  • Driven wheels
    rear wheels
  • Drivetrain
    cardan shaft
  • Gearing
    4-speed manual transmission
  • Shifting
    shift lever, right exterior (gate shift)
  • Clutch
    coil spring clutch, from 1912 leather biconical clutch
  • Transmission type
    change-speed gear
  • Gear ratios
    I. 4.26; II. 2.33; III. 1.43; IV. 1.0
  • Final drive ratio
    4.06
  • Maximum speed
    65 km/h
  • Fuel consumption
    15 - 17 l
  • Wheelbase
    2400, 2815, 3015 or 3075 mm
  • Front / rear track
    1350 / 1350 mm
  • Length
    4450 mm
  • Width
    1650 mm
  • Height
    2250 mm
  • Chassis weigth
    1000 kg
  • Kerb weight
    1550 kg
  • Gross weight
    2100 kg
  • Prices
    Mk. 12,800.-
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