No-expense-spared restoration of a rare G4 1939 Mercedes Benz

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The extremely rare Mercedes-Benz G4 offroader, fully operational with completely overhauled mechanical components but with all the deliberately retained traces of its venerable age.

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And now, the fleet of the Spanish royal family includes a truly unique vehicle, the extremely rare Mercedes-Benz G4 offroader, fully operational with completely overhauled mechanical components but with all the deliberately retained traces of its venerable age. It is thus a very special witness to contemporary and engineering history. General information: Mercedes-Benz G4 (W 31 series)

General data: Wheelbase: 3100 + 950 mm Front/rear track width: 1620/1570/1570 mm Dimensions (length x width x height): 5360-5720 x 1870 x 1900 mm (with soft-top) Turning circle: 17 meters Weight: approx. 3700 kg (in ready-to-drive condition) Permissible gross weight: 4400 kg Top speed permitted by the tires: 67 km/h Fuel consumption: 28 liters/100 km (urban), 38 liters/100 km (offroad) Fuel tank capacity: 90 liters, on some units 140 liters Engine Daimler-Benz M24 or M24 II eight-cylinder in-line engine Total displacement: initially 5018 cc, later 5401 cc Bore x stroke: 86 x 108 mm / 88 x 111 mm Output: 100 hp / 110 hp at 3400/min Torque: 28.8 mkg at 1400/min Compression ratio: 1:5.6 / 1:5.2 Mixture formation: one double carburetor Valves: overhead, lateral camshaft, driven by spur gears Cooling: pump, 26 liters of water Lubrication: force-feed, ten liters of oil Battery: 12 V 60 Ah / 12 V 105 Ah Alternator: 130 kW Starter motor: 1.5 hp / 1.8 hp

Transmission Four driven rear wheels, two self-locking differentials Clutch: single-plate dry clutch Transmission: four-speed manual and countershaft transmission Ratios: I/4.10, II/2.21, III/1.49, IV/1.00 Drive ratios of countershaft transmission: road/1.00, offroad/3.06

Chassis Box-section frame Front wheel suspension: rigid axle, semi-elliptic springs Rear wheel suspension: two rigid axles, one semi-elliptic spring for two wheels on each side Steering: helical spindle Brakes: dual-circuit system, hydraulic with vacuum assistance, acting on front and rear wheels; mechanical hand-operated parking brake, acting on front wheels Lubrication: central Wheels: steel disc wheels with drop center rims, size L 4.00 F x 17; with self-sealing tires: size 6.00 F x 17 Tires: 7.5-17 with offroad tread (normal or self-sealing)

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