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  Mercedes-Benz W125
 

  Article Image gallery (30) 166369 / 6 Specifications User Comments (1)  
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Country of origin:Germany
Produced in:1937
Numbers built:9
Designed by:Rudolf Uhlenhaut for Daimler-Benz AG
Predecessor:Mercedes-Benz W25K
Successor:Mercedes-Benz W154
Author:Wouter Melissen
Last updated:October 03, 2007
Download: All images

Engine
Configuration M 125 F Straight 8
Location Front, longitudinally mounted
Weight 222 kilo / 489.4 lbs
Construction steel block and head
Displacement 5,660 cc / 345.4 cu in
Bore / Stroke 94.0 mm (3.7 in) / 102.0 mm (4 in)
Compression 8.8:1
Valvetrain 4 valves / cylinder, DOHC
Fuel feed 2 Suction Carburettors
Aspiration Roots-Type Supercharger
Power 592 bhp / 442 KW @ 5,800 rpm
Torque 926 Nm / 683 ft lbs @ 3,000 rpm
BHP/Liter 105 bhp / liter

Drivetrain
Chassis aluminium body on a nickel-chrome molybdenum oval tube frame
Front suspension double wishbones, coil springs, hydraulic shock absorbers
Rear suspension DeDion axle, torsion bars, hydraulic shock absorbers
Steering worm-and-nut
Brakes hydraulic drums, all-round
Gearbox 4 speed Manual
Drive Rear wheel drive

Dimensions
Weight 750 kilo / 1,654 lbs
Length / Width / Height 4,200 mm (165.4 in) / 1,750 mm (68.9 in) / 1,200 mm (47.2 in)
Wheelbase / Track (fr/r) 2,798 mm (110.2 in) / 1,473 mm (58 in) / 1,412 mm (55.6 in)

Performance figures
Power to weight 0.79 bhp / kg
Top Speed 330 km/h (205 mph)

Race history
Major wins
1937 Tripoli Grand Prix (Hermann Lang in 4)
1937 German Grand Prix (Rudolf Caracciola in 3)
1937 Monaco Grand Prix (Manfred von Brauchitsch in 2)
1937 Swiss Grand Prix (Rudolf Caracciola in 2)
1937 Italian Grand Prix (Rudolf Caracciola in 8)
1937 Czech Grand Prix (Rudolf Caracciola in 8)

Resources
Suggested reading
  • The Grand Prix Car, by Laurence Pomeroy
Related articles
Useful links

  Article Image gallery (30) 166369 / 6 Specifications User Comments (1)