Mercedes-Benz SL Roadster (W121) 190 SL (105 Hp) | Technical specs, data, fuel consumption, Dimensions

1955 Mercedes-Benz SL Roadster (W121) - Photo 1

Key specs

Mercedes-Benz SL Roadster (W121) 190 SL (105 Hp) /Roadster 1955 - 1963/

What is the body type of Mercedes-Benz SL Roadster (W121)?

Roadster, 2 Doors, 3 Seats

What is the fuel consumption and economy of Mercedes-Benz SL Roadster (W121) 190 SL (105 Hp)?

8.6 l/100 km
27.4 US mpg
32.8 UK mpg
11.6 km/l

How fast is 1955 SL Roadster (W121) 190 SL (105 Hp)?

173 km/h | 107 mph

What is the power output of Mercedes-Benz SL Roadster 1955 190 SL (105 Hp)?

105 Hp, 142 Nm
105 lb.-ft.

What is the engine displacement of Mercedes-Benz SL Roadster 1955 190 SL (105 Hp)?

1.9 l
1897 cm³
115.76 cu. in.

What is the number of cylinders in 1955 Mercedes-Benz 190 SL (105 Hp)?

4, Inline

What is the drivetrain of Mercedes-Benz SL Roadster (W121) Roadster 1955 190 SL (105 Hp)?

Rear wheel drive. Internal Combustion engine. The Internal combustion engine (ICE) drives the rear wheels of the vehicle.

What is the length of 1955 Mercedes-Benz SL Roadster?

4220 mm
166.14 in.

What is the width of 1955 Mercedes-Benz SL Roadster?

1740 mm
68.5 in.

What is the kerb weight of 1955 Mercedes-Benz SL Roadster (W121) 190 SL (105 Hp)?

1140 kg
2513 lbs.

What is the maximum permissible mass of 1955 Mercedes-Benz SL Roadster (W121) 190 SL (105 Hp)?

1400 kg
3086 lbs.

What are the number of gears and the gearbox type of 1955 Mercedes-Benz SL Roadster (W121) 190 SL (105 Hp)?

4, manual transmission

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- Mercedes-Benz SL
  - SL Roadster (W121)
    - 190 SL (105 Hp)

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General information

Brand

Mercedes-Benz

Model

Generation

SL Roadster (W121)

Modification (Engine)

190 SL (105 Hp)

Start of production

1955

End of production

1963

Powertrain Architecture

Internal Combustion engine

Body type

Roadster

Seats

Doors

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Performance specs

Fuel consumption (economy) - combined

8.6 l/100 km 27.4 US mpg
32.8 UK mpg
11.6 km/l

Fuel Type

Petrol (Gasoline)

Maximum speed

173 km/h 107 mph

Weight-to-power ratio

10.9 kg/Hp, 92.1 Hp/tonne

Weight-to-torque ratio

8 kg/Nm, 124.6 Nm/tonne

Engine specs

Power

105 Hp @ 5700 rpm.

Power per litre

55.4 Hp/l

Torque

142 Nm @ 3200 rpm. 105 lb.-ft. @ 3200 rpm.

Maximum engine speed

6000 rpm.

Engine layout

Front, Longitudinal

Engine Model/Code

M 121 B II

Engine displacement

1897 cm³ 115.76 cu. in.

Number of cylinders

Engine configuration

Inline

Cylinder Bore

85 mm 3.35 in.

Piston Stroke

83.6 mm 3.29 in.

Compression ratio

8.5:1

Number of valves per cylinder

Fuel injection system

Carburettor

Engine aspiration

Naturally aspirated engine

Engine oil capacity

4 l 4.23 US qt | 3.52 UK qt

Coolant

10 l 10.57 US qt | 8.8 UK qt

Volume and weights

Kerb Weight

1140 kg 2513 lbs.

Max. weight

1400 kg 3086 lbs.

Max load

260 kg 573 lbs.

Fuel tank capacity

65 l 17.17 US gal | 14.3 UK gal

Dimensions

Length

4220 mm 166.14 in.

Width

1740 mm 68.5 in.

Height

1320 mm 51.97 in.

Wheelbase

2400 mm 94.49 in.

Front track

1430 mm 56.3 in.

Rear (Back) track

1470 mm 57.87 in.

Ride height (ground clearance)

155 mm 6.1 in.

Minimum turning circle (turning diameter)

11 m 36.09 ft.

Drivetrain, brakes and suspension specs

Drivetrain Architecture

The Internal combustion engine (ICE) drives the rear wheels of the vehicle.

Drive wheel

Rear wheel drive

Number of gears and type of gearbox

4 gears, manual transmission

Front suspension

Double wishbone

Rear suspension

Dependent spring suspension

Front brakes

Drum

Rear brakes