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Mercedes-Benz
300 SL Roadster
(1957)




Basic (general) data

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Marque (make)Image of Mercedes-Benz 300 SL Roadster
Mercedes-Benz
Serie300
Model familyW 198 II
Model300 SL Roadster
Model code198.042
Issued from1957
Issued until
Country of originDE
Number made
Body construction
Body designation

Bodywork

 
Base platform
Bodywork typedrophead coupé (convertible coupé)
Bodywork designer
Number of doors2
Number of seats2
Cargo capacity (volume) [l / cu ft / cu ft]
Max. cargo capacity (volume) [l / cu ft / cu ft]
Passenger space (volume) [l / cu ft / cu ft]5780 / 204.12 / 204.12

Dimensions & Weight

 
Wheelbase [mm / in / in]2400 / 94.5 / 94.5
Track front [mm / in / in]1398 / 55.0 / 55.0
Track rear [mm / in / in]1448 / 57.0 / 57.0
Length [mm / in / in]4570 / 179.9 / 179.9
Width [mm / in / in]1790 / 70.5 / 70.5
Height [mm / in / in]1300 / 51.2 / 51.2
Length/wheelbase ratio1.9
Ground clearance [mm / in / in]130 / 5.1 / 5.1
Total (curb) weight [kg / lb / lb]1383 / 3049 / 3049
Dry weight [kg / lb / lb]
Load capacity [kg / lb / lb]
Gross (max.) weight [kg / lb / lb]
Towing weight [kg / lb / lb]
Weight distribution (front) [% / % / %]
Fuel capacity [l / UK gal / US gal]100 / 22.0 / 26.4

Aerodynamics

 
Drag coefficient
Frontal Area [m2 / sq ft / sq ft]
Cx

Engine

 
Engine CodeM 198 I / 198.980
Engine ManufacturerMercedes-Benz
Engine Typestraight (inline)
Engine Type DetailsInline, 6 cylinder
Sumpdry
Fuelpetrol (gasoline)
Fuel details
Cam DesignSOHC (single overhead camshaft)
Total number of cylinders6
Total number of valves12
Valves per cylinder2
Engine Main bearings7
Engine construction
Bore [mm / in / in]85.0 / 3.35 / 3.35
Stroke [mm / in / in]88.0 / 3.46 / 3.46
Bore/Stroke ratio0.97
Engine displacement [cm3 / cu in / cu in]2996 / 182.8 / 182.8
Unitary capacity [cm3/cylinder / cu in/cylinder / cu in/cylinder]499.33 / 30.471 / 30.471
Compression ratio8.6
Fuel supplyBo mechanical direct fuel inj.
Aspirationnatural
Compressor typeN/A
Intercoolerno
Catalytic converterno
Max. output power [kW / hp / hp]160.3 / 217.9 / 217.9
Max. output power rpm [rpm / rpm / rpm]5800 / 5800 / 5800
Max. torque [Nm / lbft / lbft]275.0 / 202.8 / 202.8
Max. torque rpm [rpm / rpm / rpm]4600 / 4600 / 4600
Maximum rpm [rpm / rpm / rpm]
Coolantwater
Max. net output [kW / bhp / bhp]158.1 / 215.0 / 215.0
Specific output [kW/l / bhp/cu in / bhp/cu in]71.8 / 1.600 / 1.600
Specific torque [Nm/l / lbft/cu in / lbft/cu in]91.79 / 0.803 / 0.803

Transmission

 
Transmission typemanual
Number of gears4
Wheel driverear wheel drive
Top gear (drive) ratio1
Final gear (drive) ratio3.64

Performance

 
Acceleration 0-50 mph (80 km/h) [s / s / s]
Acceleration 0-60 mph (96 km/h) [s / s / s]
Acceleration 0-100 km/h [s / s / s]10.00 / 10.00 / 10.00
Acceleration 0-100 mph (160 km/h) [s / s / s]
Acceleration 80-120 km/h (50-70 mph) in top [s / s / s]
0-Quarter-mile time [s / s / s]
0-Quarter-mile speed [km/h / mph / mph]
0-Kilometer time [s / s / s]
0-Kilometer speed [km/h / mph / mph]
Top (maximal) speed [km/h / mph / mph]217 / 135 / 135
Fuel consumption, City (urban) [l/100km / mi/UK gal / mi/US gal]
Fuel consumption, Road (extra-urban) [l/100km / mi/UK gal / mi/US gal]
Fuel consumption, Mixed (combined) [l/100km / mi/UK gal / mi/US gal]
Fuel consumption, Euro [l/100km / mi/UK gal / mi/US gal]
CO2 emissions [g/km / g/mi / g/mi]
Power-to-weight ratio [kW/ton / bhp/ton / bhp/ton]155.46 / 211.37 / 211.37

Chassis

 
Engine locationfront
Engine alignmentlongitudinal
Steeringrecirculating ball
Steering details
Turns lock-to-lock3
Turning circle [m / ft / ft]11.50 / 37.73 / 37.73
Suspension frontI.DW.CS.
Suspension rearI.CS.
Wheels front5.5K x 15
Wheels rear5.5K x 15
Tyres front6.50-15
Tyres rear6.50-15
Brakes frontdrum
Brakes reardrum
Brakes detailsABS
Brake diameter front [mm / in / in]260 / 10.2 / 10.2
Brake diameter rear [mm / in / in]260 / 10.2 / 10.2
Braked area [cm2 / sq in / sq in]
 
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