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540 K Spezial Roadster
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  Mercedes-Benz 540 K Spezial Roadster      

  Article Image gallery (133) Chassis (9) Specifications  
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Country of origin:Germany
Produced from:1937 - 1939
Numbers built:26
Internal name:W29
Designed by:Hermann Ahrens for Mercedes-Benz
Predecessor:Mercedes-Benz 500 K Spezial Roadster
Author:Wouter Melissen
Last updated:January 08, 2016
Download: All images

Engine
Configuration M 24 II Straight 8
Location Front, longitudinally mounted
Construction cast-iron block and head
Displacement 5,401 cc / 329.6 cu in
Bore / Stroke 88.0 mm (3.5 in) / 111.0 mm (4.4 in)
Compression 6.5:1
Valvetrain 2 valves / cylinder, OHV
Camshaft Spur gears driven
Fuel feed Mercedes-Benz Carburettor
Aspiration Roots-Type Supercharger
Power 180 bhp / 134 kW @ 3,400 rpm
Torque 432 Nm / 319 ft lbs @ 2,200 rpm
BHP/Liter 33 bhp / liter

Drivetrain
Body steel body
Chassis U-section pressed-steel frame
Front suspension double wishbones, coil springs
Rear suspension swing axle, twin coil springs
Steering worm-and-nut
Brakes drums, all-round
Gearbox 4 speed Manual
Final drive 3.5:1
Clutch Dry, single plate
Drive Rear wheel drive

Dimensions
Weight 2,400 kilo / 5,291 lbs
Length / Width / Height 5,200 mm (204.7 in) / 1,800 mm (70.9 in) / 1,530 mm (60.2 in)
Wheelbase / Track (fr/r) 3,290 mm (129.5 in) / 1,535 mm (60.4 in) / 1,547 mm (60.9 in)
Fuel tank 110 Litre (29.1 Gallon US / 24.2 Gallon Imperial)
Wheels 4.0 x 17
Tyres 7.5 / 17

Performance figures
Power to weight 0.08 bhp / kg
Top Speed 170 km/h (106 mph)

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  Article Image gallery (133) Chassis (9) Specifications