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| Technical Specs of This Model |
| 1. |
300 S Roadster 1951
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| General Information |
| Make |
Mercedes-Benz |
| Model |
300 S Roadster |
| Production Year |
1951 |
| Country |
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| Designer |
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| Production Number |
141 |
| Model Code |
W 188 I |
| Model Family |
W188 |
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| Chassis and Dimensions |
| Chassis Type |
2+2 FHC |
| Number of Doors |
2 |
| Wheelbase |
2900 mm (114,2 in) |
| Front Track |
1480 mm (58,3 in) |
| Rear Track |
1525 mm (60 in) |
| Length |
4730 mm (186,2 in) |
| Width |
1910 mm (75,2 in) |
| Height |
1510 mm (59,4 in) |
| Ground Clearance |
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| Length / Wheelbase Ratio |
1,63 |
| Weight |
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| Weight Distribution (front/rear) |
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| Fuel Capacity |
85 litre (18,7 Imp gal , 22,5 US gal) |
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| Aerodynamics |
| Drag Coefficient |
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| Frontal Area |
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| Cx |
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| Engine Specifications |
| Engine Manufacturer |
Mercedes-Benz |
| Engine Location |
Front |
| Engine Alignment |
Longitudinal |
| Engine Construction |
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| Coolant Type |
Water |
| Engine Type |
SOHC |
| Number of Cylinders and Placement |
S-6 |
| Valves per Cylinder |
2 (Total of 12 Pieces) |
| Engine Displacement |
2996 cc (182,83 cu in) |
| Bore |
85 mm (3,35 in) |
| Stroke |
88 mm (3,46 in) |
| Bore / Stroke Ratio |
0,97 |
| Unitary Capacity |
499,33 cc/cylinder (30,47 cu in/cylinder) |
| Number of Main Bearings |
7 |
| Compression Ratio |
7,8 : 1 |
| Fuel System Type |
3 So 40 PBJC carbs |
| Aspiration Type |
Normal |
| Compressor Type |
- |
| Intercooler Type |
None |
| Catalytic Converter |
No |
| Maximum Engine Power |
148 HP (110,4 kW) |
| Maximum Engine Power rpm |
5000 d/d |
| Maximum Engine Torque |
230 N.m (169,7 lb.ft , 23,5 kg.m) |
| Maximum Engine Torque rpm |
3800 d/d |
| Engine Torque at Max. Engine Power rpm |
210,8 N.m (5000 d/d) |
| Power / Weight Ratio |
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| Power / Engine Displacement Ratio |
49,4 HP/litre (36,8 kW/litre) |
| CO2 Emissions |
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| Fuel Consumption |
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| Performance |
| 0 - 80 km/h |
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| 0 - 60 mph |
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| 0 - 100 km/h |
15 s |
| 0 - 160 km/h |
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| 80 - 120 km/h (in top gear) |
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| 0 - 400 m Acceleration |
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| 0 - 1000 m Acceleration |
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| Top Speed |
175 km/h (108,8 mph) |
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| Gearbox and Transmission |
| Transmission Type |
4M |
| Top Gear Ratio |
1 : 1 |
| Final Drive Ratio |
4,13 : 1 |
| Drive Wheels |
RWD (Rear Wheel Drive) |
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| Handling, Suspension Geometry and Brakes |
| Steering Type |
recirculating ball |
| Steering Turns (lock to lock) |
3,75 |
| Turning Circle Diameter |
12,3 m (40,4 ft) |
| Suspension (front) |
I.DW.CS. |
| Suspension (rear) |
SwAx.CS. |
| Brakes (front/rear) |
Dr/Dr |
| Brake Disc Diameter (front) |
260 mm |
| Brake Disc Diameter (rear) |
260 mm |
| Wheels (front) |
5K x 15 |
| Wheels (rear) |
5K x 15 |
| Tyres (front) |
6.70-15 |
| Tyres (rear) |
6.70-15 |
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