Mercedes Benz 300 (186 II-IV) Technical Specifications

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Mercedes 300
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  • Years of Manufacture: 1951 - 196
  • Number Built: 44,451
  • Price at Introduction:
    • 300 4 Door Sedan: DM 19,900
    • 300 4 Door Convertible: DM 23,700
    • 300b 4 Door Sedan: DM 22,000
    • 300b 4 Door Convertible: DM 24,700
    • 300c 4 Door Sedan Man: DM 22,000
    • 300c 4 Door Sedan Auto: DM 23,500
    • 300c 4 Door Convertible Man: DM 24,700
    • 300c 4 Door Convertible Auto: DM 26,200
    • 300c 4 Door LWB Limousine: Additional DM 3,000
    • 300d 4 Door Sedan/Hardtop Man: DM 27,000
    • 300d 4 Door Sedan/Hardtop Auto: DM 28,500
  • Date of Introduction:
    • November, 1951
  • Chassis/Body:
    • X Shaped Oval Tube Chassis
  • Exterior Dimensions 300:
    • Total Length: 194.9 inches (4950mm)
    • Total Width: 72.4 inches (1838mm)
    • Height at Kerb Weight: 63.0 inches (1600mm)
    • Wheelbase: 120.0 inches (3050mm)
    • Front Track: 58.2 inches (1480mm)
    • Rear Track: 60.0 inches (1525mm)
  • Exterior Dimensions 300b:
    • Total Length: 199.4 inches (5065mm)
    • Total Width: 72.4 inches (1838mm)
    • Height at Kerb Weight: 64.6 inches (1640mm)
    • Wheelbase: 120.0 inches (3050mm)
    • Front Track: 58.2 inches (1480mm)
    • Rear Track: 60.0 inches (1525mm)
  • Exterior Dimensions 300c:
    • Total Length: 199.4 inches (5065mm)
    • Total Width: 72.4 inches (1838mm)
    • Height at Kerb Weight: 63.0 inches (1600mm)
    • Wheelbase: 120.0 inches (3050mm)
    • Front Track: 58.2 inches (1480mm)
    • Rear Track: 60.0 inches (1525mm)
  • Exterior Dimensions 300d:
    • Total Length: 204.3 inches (5190mm)
    • Total Width: 73.2 inches (1860mm)
    • Height at Kerb Weight: 63.8 inches (1620mm)
    • Wheelbase: 124.0 inches (3150mm)
    • Front Track: 58.2 inches (1480mm)
    • Rear Track: 60.0 inches (1525mm)
  • Kerb Weight:
    • 300: 3916lb (1780kg)
    • 300b: 4026lb (1830kg)
    • 300c Sedan: 4092lb (1860kg)
    • 300c Convertible: 4202lb (1910kg)
    • 300d Sedan: 4290lb (1950kg)
    • 300d Convertible: 4400lb (2000kg)
  • Fuel Tank:
    • 19.0 gallons (72.0 liters)
  • Turning Circle:
    • 41-43.00ft (12.6-13.1 metres)
  • Instruments:
    • Speedometer
    • Petrol gauge
    • Temp warning lamp
    • Oil warning lamp
  • Transmission (Manual, 4 Speed) 300:
    • 1st: 2.95:1 (later 3.30:1)
    • 2nd: 2.13:1
    • 3rd: 1.46:1
    • 4th: 1.00:1
  • Transmission (Manual, 4 Speed) 300b and 300c:
    • 1st: 3.44:1
    • 2nd: 2.30:1
    • 3rd: 1.53:1
    • 4th: 1.00:1
  • Transmission (Automatic, 3 Speed) 300d:
    • 1st: 2.303:1
    • 2nd: 1.435:1
    • 3rd: 1.000:1
  • Clutch:
    • Single cushion disc, dry plate clutch
  • Rear Axle Ratio:
    • 300: 4.44:1
    • 300b/300c/300d: 4.67:1
  • Engine Speed at 100 km/h:
    • 3300 rpm
  • 0-60 mph (0-97 km/h):
    • 300: 18.0 seconds (approx)
    • 300b/300c/300d Sedan: 17.0 seconds (approx)
    • 300c/300d convertible: 18.0 seconds (approx)
  • Maximum Speed:
    • 300: 160 km/h (99.5 mph)
    • 300b: 163 km/h (101.0 mph)
    • 300c Sedan: 160 km/h (99.5 mph)
    • 300c Convertible: 155 km/h (96.3 mph)
    • 300d Sedan: 170 km/h (105.6 mph)
    • 300d Convertible: 165 km/h (102.5 mph)
  • Engine 6 Cylinder M 186 300:
    • Capacity: 2996cc 182.7ci
    • Type: Conventional, watercooled four stroke, reciprocating piston type with 6 cylinders
    • Configuration: Front mounted, longitudinal, inline
    • Head: Pushrod and rocker actuated ohv with one valve per cylinder
    • Fuel System: 2 Dual downdraft Solex 40 PBJC carburetors
    • Bore and Stroke: 3.35 x 3.46 inches (85 x 88mm)
    • Power: 115 hp @ 4600 rpm
    • Torque: 20.0 mkg @ 2500rpm (114.0 ft/lb)
    • Compression Ratio: 6.4:1
  • Engine 6 Cylinder M 186 300b and 300c:
    • Capacity: 2996cc 182.7ci
    • Type: Conventional, watercooled four stroke, reciprocating piston type with 6 cylinders
    • Configuration: Front mounted, longitudinal, inline
    • Head: Pushrod and rocker actuated ohv with one valve per cylinder
    • Fuel System: 2 Dual downdraft Solex 32 PAJAT carburetors
    • Bore and Stroke: 3.35 x 3.46 inches (85 x 88mm)
    • Power: 125 hp @ 4500 rpm
    • Torque: 22.5 mkg @ 2600rpm (163.0 ft/lb)
    • Compression Ratio: 7.4:1 (later 7.5:1)
  • Engine 6 Cylinder M 186 300d:
    • Capacity: 2996cc 182.7ci
    • Type: Conventional, watercooled four stroke, reciprocating piston type with 6 cylinders
    • Configuration: Front mounted, longitudinal, inline
    • Head: Pushrod and rocker actuated ohv with one valve per cylinder
    • Fuel System: Bosch Injection Pump
    • Bore and Stroke: 3.35 x 3.46 inches (85 x 88mm)
    • Power: 160 hp @ 5300 rpm
    • Torque: 24.2 mkg @ 4200rpm (175.0 ft/lb)
    • Compression Ratio: 8.55:1
  • Ignition and Electrical:
    • 12 volt
    • Coil and alternator
  • Exhaust:
    • Single tail-pipe
  • Suspension:
    • Front: Independent type with coil springs
    • Rear: Swing axle with coil springs
  • Steering:
    • 300: Worm and ball, ratio 17.9:1 (3.3 turns)
    • 300b and 300c: Recirculating ball, ratio 21.4:1 (3.75 turns)
    • 300d: As per 300c, however servo assist available as an option from September 1958
  • Brakes:
    • 300: Drum, 1270 cm sq. 197.0 sq in.
    • 300b/300c/300d: Drum, 1470 cm sq. 228.0 sq in.
  • Wheels:
    • 15" Pressed steel disc wheels
  • Tyres:
    • 300 and 300b: 7.10 x 15 extra
    • 300c and 300d: 7.60 x 15 extra
300 Production Schedule
Vehicle
Year
Cars Manufactured
300 and 300b (186 II-III) Sedan
1951
47
1952
2,659
1953
1,776
1954
1,185
1955
547
Total:
6,214
300 and 300b (186 II-III) Convertible
1951
2
1952
262
1953
181
1954
87
1955
59
Total:
591
300c (186 IV) Sedan
1955
330
1956
885
1957
217
Total:
1,432
300c (186 IV) Convertible
1955
3
1956
48
Total:
51
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